partitioning-syntax_20100114.patch
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Filename: partitioning-syntax_20100114.patch
Type: application/octet-stream
Part: 0
Message:
Partitioning syntax
Patch
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GET /api/v1/attachments/:id/patch
the parsed metadata as JSON — format, series position, per-file stats; never the diff bytes.
API reference →
Format: context
| File | + | − |
|---|---|---|
| doc/src/sgml/catalogs.sgml | 77 | 0 |
| doc/src/sgml/ref/allfiles.sgml | 1 | 0 |
| doc/src/sgml/ref/alter_table.sgml | 47 | 0 |
| doc/src/sgml/ref/create_partition.sgml | 164 | 0 |
| doc/src/sgml/ref/create_table.sgml | 37 | 0 |
| src/backend/catalog/dependency.c | 55 | 1 |
| src/backend/catalog/heap.c | 67 | 4 |
| src/backend/catalog/Makefile | 1 | 1 |
| src/backend/catalog/pg_inherits.c | 170 | 0 |
| src/backend/commands/indexcmds.c | 2 | 4 |
| src/backend/commands/tablecmds.c | 641 | 26 |
| src/backend/nodes/copyfuncs.c | 48 | 0 |
| src/backend/nodes/equalfuncs.c | 42 | 0 |
| src/backend/nodes/outfuncs.c | 30 | 0 |
| src/backend/parser/gram.y | 206 | 7 |
| src/backend/parser/parse_utilcmd.c | 92 | 0 |
| src/backend/tcop/utility.c | 10 | 0 |
| src/backend/utils/adt/ruleutils.c | 136 | 0 |
| src/backend/utils/cache/lsyscache.c | 26 | 0 |
| src/backend/utils/cache/syscache.c | 14 | 2 |
| src/bin/pg_dump/common.c | 4 | 0 |
| src/bin/pg_dump/pg_dump.c | 112 | 1 |
| src/bin/pg_dump/pg_dump.h | 10 | 1 |
| src/bin/pg_dump/pg_dump_sort.c | 17 | 10 |
| src/bin/psql/describe.c | 17 | 1 |
| src/include/catalog/dependency.h | 1 | 0 |
| src/include/catalog/heap.h | 4 | 0 |
| src/include/catalog/indexing.h | 3 | 0 |
| src/include/catalog/pg_inherits_fn.h | 12 | 0 |
| src/include/catalog/pg_inherits.h | 6 | 1 |
| src/include/catalog/pg_partition.h | 55 | 0 |
| src/include/catalog/pg_proc.h | 2 | 0 |
| src/include/commands/defrem.h | 2 | 0 |
| src/include/commands/tablecmds.h | 2 | 0 |
| src/include/nodes/nodes.h | 4 | 0 |
| src/include/nodes/parsenodes.h | 39 | 1 |
| src/include/parser/kwlist.h | 5 | 0 |
| src/include/parser/parse_utilcmd.h | 1 | 0 |
| src/include/utils/builtins.h | 1 | 0 |
| src/include/utils/lsyscache.h | 1 | 0 |
| src/include/utils/syscache.h | 2 | 1 |
| src/test/regress/expected/partition.out | 458 | 0 |
| src/test/regress/expected/sanity_check.out | 2 | 1 |
| src/test/regress/parallel_schedule | 1 | 1 |
| src/test/regress/serial_schedule | 1 | 0 |
| src/test/regress/sql/partition.sql | 188 | 0 |
diff -cprN head/doc/src/sgml/catalogs.sgml work/doc/src/sgml/catalogs.sgml
*** head/doc/src/sgml/catalogs.sgml 2010-01-12 09:08:27.585112000 +0900
--- work/doc/src/sgml/catalogs.sgml 2010-01-14 15:12:13.197458520 +0900
***************
*** 194,199 ****
--- 194,204 ----
</row>
<row>
+ <entry><link linkend="catalog-pg-partition"><structname>pg_partition</structname></link></entry>
+ <entry>key definitions for partitioned tables</entry>
+ </row>
+
+ <row>
<entry><link linkend="catalog-pg-pltemplate"><structname>pg_pltemplate</structname></link></entry>
<entry>template data for procedural languages</entry>
</row>
***************
*** 2989,2994 ****
--- 2994,3010 ----
inherited columns are to be arranged. The count starts at 1
</entry>
</row>
+
+ <row>
+ <entry><structfield>inhvalues</structfield></entry>
+ <entry><type>anyarray</type></entry>
+ <entry></entry>
+ <entry>
+ An array of partition values.
+ An empty array for overflow partitions.
+ NULL for non-partitioned tables.
+ </entry>
+ </row>
</tbody>
</tgroup>
</table>
***************
*** 3698,3703 ****
--- 3714,3780 ----
</sect1>
+ <sect1 id="catalog-pg-partition">
+ <title><structname>pg_partition</structname></title>
+
+ <indexterm zone="catalog-pg-partition">
+ <primary>pg_partition</primary>
+ </indexterm>
+
+ <para>
+ The catalog <structname>pg_partition</structname> stores
+ <quote>key definitions</> for partitioned tables.
+ </para>
+
+ <table>
+ <title><structname>pg_partition</> Columns</title>
+
+ <tgroup cols="4">
+ <thead>
+ <row>
+ <entry>Name</entry>
+ <entry>Type</entry>
+ <entry>References</entry>
+ <entry>Description</entry>
+ </row>
+ </thead>
+
+ <tbody>
+ <row>
+ <entry><structfield>partrelid</structfield></entry>
+ <entry><type>oid</type></entry>
+ <entry>pg_class.oid</entry>
+ <entry>Partitioned table oid</entry>
+ </row>
+
+ <row>
+ <entry><structfield>partopclass</structfield></entry>
+ <entry><type>oid</type></entry>
+ <entry>pg_opclass.oid</entry>
+ <entry>Operator class to compare keys</entry>
+ </row>
+
+ <row>
+ <entry><structfield>partkind</structfield></entry>
+ <entry><type>char</type></entry>
+ <entry></entry>
+ <entry>Kind of partition: RANGE or LIST</entry>
+ </row>
+
+ <row>
+ <entry><structfield>partkey</structfield></entry>
+ <entry><type>text</type></entry>
+ <entry></entry>
+ <entry>Partition key expression</entry>
+ </row>
+
+ </tbody>
+ </tgroup>
+ </table>
+
+ </sect1>
+
+
<sect1 id="catalog-pg-pltemplate">
<title><structname>pg_pltemplate</structname></title>
diff -cprN head/doc/src/sgml/ref/allfiles.sgml work/doc/src/sgml/ref/allfiles.sgml
*** head/doc/src/sgml/ref/allfiles.sgml 2009-12-11 12:39:49.829461000 +0900
--- work/doc/src/sgml/ref/allfiles.sgml 2010-01-14 15:16:42.613363000 +0900
*************** Complete list of usable sgml source file
*** 58,63 ****
--- 58,64 ----
<!entity createOperator system "create_operator.sgml">
<!entity createOperatorClass system "create_opclass.sgml">
<!entity createOperatorFamily system "create_opfamily.sgml">
+ <!entity createPartition system "create_partition.sgml">
<!entity createRole system "create_role.sgml">
<!entity createRule system "create_rule.sgml">
<!entity createSchema system "create_schema.sgml">
diff -cprN head/doc/src/sgml/ref/alter_table.sgml work/doc/src/sgml/ref/alter_table.sgml
*** head/doc/src/sgml/ref/alter_table.sgml 2009-09-28 09:25:40.046261000 +0900
--- work/doc/src/sgml/ref/alter_table.sgml 2010-01-14 15:12:13.199410861 +0900
*************** ALTER TABLE <replaceable class="PARAMETE
*** 61,66 ****
--- 61,70 ----
NO INHERIT <replaceable class="PARAMETER">parent_table</replaceable>
OWNER TO <replaceable class="PARAMETER">new_owner</replaceable>
SET TABLESPACE <replaceable class="PARAMETER">new_tablespace</replaceable>
+ PARTITION BY { RANGE | LIST } ( key ) [ <replaceable class="PARAMETER">opclass</replaceable> ] [ (...) ]
+ NO PARTITION
+ ATTACH PARTITION <replaceable class="PARAMETER">child_table</replaceable> VALUES ...
+ DETACH PARTITION <replaceable class="PARAMETER">child_table</replaceable>
</synopsis>
</refsynopsisdiv>
*************** ALTER TABLE <replaceable class="PARAMETE
*** 444,449 ****
--- 448,496 ----
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><literal>PARTITION BY</literal></term>
+ <listitem>
+ <para>
+ This form adds a partition key and optional partitions to the table.
+ Inheritance and check constraints are internally added to the partitions.
+ See <xref linkend="sql-createtable"> for more information.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><literal>NO PARTITION</literal></term>
+ <listitem>
+ <para>
+ This form removes the partition key from the table. If the table has
+ some partitions, partition values are also removed but inheritance and
+ check constraints are kept.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><literal>ATTACH PARTITION</literal></term>
+ <listitem>
+ <para>
+ This form attaches an existing table as a partition with specified partition values.
+ Inheritance and check constraints are internally added to the partitions.
+ See <xref linkend="sql-createtable"> for more information.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><literal>DETACH PARTITION</literal></term>
+ <listitem>
+ <para>
+ This form removes the specified partition the list of partitions of
+ the target table. The removed partition can be accessed as a normal table.
+ </para>
+ </listitem>
+ </varlistentry>
+
</variablelist>
</para>
diff -cprN head/doc/src/sgml/ref/create_partition.sgml work/doc/src/sgml/ref/create_partition.sgml
*** head/doc/src/sgml/ref/create_partition.sgml 1970-01-01 09:00:00.000000000 +0900
--- work/doc/src/sgml/ref/create_partition.sgml 2010-01-14 15:53:10.298023000 +0900
***************
*** 0 ****
--- 1,164 ----
+ <refentry id="SQL-CREATEPARTITION">
+ <refmeta>
+ <refentrytitle id="sql-createtable-title">CREATE PARTITION</refentrytitle>
+ <manvolnum>7</manvolnum>
+ <refmiscinfo>SQL - Language Statements</refmiscinfo>
+ </refmeta>
+
+ <refnamediv>
+ <refname>CREATE PARTITION</refname>
+ <refpurpose>define a new table</refpurpose>
+ </refnamediv>
+
+ <indexterm zone="sql-createpartition">
+ <primary>CREATE PARTITION</primary>
+ </indexterm>
+
+ <refsynopsisdiv>
+ <synopsis>
+ CREATE PARTITION <replaceable class="PARAMETER">partition_name</replaceable>
+ ON <replaceable class="PARAMETER">table_name</replaceable>
+ {
+ VALUES LESS THAN { <replaceable class="PARAMETER">value</replaceable> | MAXVALUE }
+ | VALUES [ IN ] [ ( ] { <replaceable class="PARAMETER">value</replaceable> [, ...] | DEFAULT } [ ) ]
+ }
+ [ WITH ( <replaceable class="PARAMETER">storage_parameter</replaceable> [= <replaceable class="PARAMETER">value</replaceable>] [, ... ] ) | WITH OIDS | WITHOUT OIDS ]
+ [ TABLESPACE <replaceable class="PARAMETER">tablespace</replaceable> ]
+ </synopsis>
+
+ </refsynopsisdiv>
+
+ <refsect1 id="SQL-CREATEPARTITION-description">
+ <title>Description</title>
+
+ <para>
+ <command>CREATE PARTITION</command> will create a new, initially empty
+ partition which has the same definitions with the parent table, and add
+ it as a partition to the parent table. The parent table must be
+ partitioned before the command. The partition will be owned by the user
+ issuing the command.
+ </para>
+
+ <para>
+ If a schema name is given (for example, <literal>CREATE PARTITION
+ myschema.mypartition ...</>) then the partition is created in the
+ specified schema. Otherwise it is created in the same schema with
+ the parent. The name of the partition must be distinct from the
+ name of any other partitions, table, sequence, index, or view
+ in the same schema.
+ </para>
+
+ <para>
+ <command>CREATE PARTITION</command> is a syntactic sugar for
+ <command>CREATE TABLE partition_name (LIKE parent_table)</command> and
+ <command>ALTER TABLE parent_table ATTACH PARTITION partition_name</command>
+ See <xref linkend="sql-createtable"> and <xref linkend="sql-altertable">
+ for more information.
+ </para>
+ </refsect1>
+
+ <refsect1>
+ <title>Parameters</title>
+
+ <variablelist>
+
+ <varlistentry>
+ <term><replaceable class="PARAMETER">partition_name</replaceable></term>
+ <listitem>
+ <para>
+ The name (optionally schema-qualified) of the table to be created.
+ If schema is not specified, use the same schema with the parent table.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><replaceable class="PARAMETER">table_name</replaceable></term>
+ <listitem>
+ <para>
+ The name (optionally schema-qualified) of the parent table.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><literal>WITH ( <replaceable class="PARAMETER">storage_parameter</replaceable> [= <replaceable class="PARAMETER">value</replaceable>] [, ... ] )</literal></term>
+ <listitem>
+ <para>
+ This clause specifies optional storage parameters for a table or index;
+ see <xref linkend="sql-createtable-storage-parameters"
+ endterm="sql-createtable-storage-parameters-title"> for more
+ information.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><literal>TABLESPACE <replaceable class="PARAMETER">tablespace</replaceable></literal></term>
+ <listitem>
+ <para>
+ The <replaceable class="PARAMETER">tablespace</replaceable> is the name
+ of the tablespace in which the new table is to be created.
+ If not specified,
+ <xref linkend="guc-default-tablespace"> is consulted, or
+ <xref linkend="guc-temp-tablespaces"> if the table is temporary.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
+
+ </refsect1>
+
+ <refsect1 id="SQL-CREATEPARTITION-examples">
+ <title>Examples</title>
+
+ <para>
+ Create partitions for each year on parent table <structname>sales</>:
+
+ <programlisting>
+ CREATE TABLE sales (
+ salesman_id integer PRIMARY KEY,
+ salesman_name varchar(30),
+ sales_state varchar(20),
+ sales_date timestamp
+ )
+ PARTITION BY RANGE (sales_date);
+
+ CREATE PARTITION sales_2008 ON sales VALUES LESS THAN ('2009-01-01');
+ CREATE PARTITION sales_2009 ON sales VALUES LESS THAN ('2010-01-01');
+ CREATE PARTITION sales_2010 ON sales VALUES LESS THAN ('2011-01-01');
+ </programlisting>
+
+ </para>
+
+ <para>
+ Create a table with a 2-dimensional array:
+
+ <programlisting>
+ CREATE TABLE array_int (
+ vector int[][]
+ );
+ </programlisting>
+ </para>
+
+ </refsect1>
+
+ <refsect1>
+ <title>Compatibility</title>
+
+ <para>
+ There is no <command>CREATE PARTITION</command> statement in the SQL standard.
+ </para>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+
+ <simplelist type="inline">
+ <member><xref linkend="sql-altertable" endterm="sql-altertable-title"></member>
+ <member><xref linkend="sql-droptable" endterm="sql-droptable-title"></member>
+ <member><xref linkend="sql-createtablespace" endterm="sql-createtablespace-title"></member>
+ </simplelist>
+ </refsect1>
+ </refentry>
diff -cprN head/doc/src/sgml/ref/create_table.sgml work/doc/src/sgml/ref/create_table.sgml
*** head/doc/src/sgml/ref/create_table.sgml 2009-12-09 13:45:22.745455000 +0900
--- work/doc/src/sgml/ref/create_table.sgml 2010-01-14 15:56:39.517686000 +0900
*************** CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY
*** 31,36 ****
--- 31,42 ----
[ WITH ( <replaceable class="PARAMETER">storage_parameter</replaceable> [= <replaceable class="PARAMETER">value</replaceable>] [, ... ] ) | WITH OIDS | WITHOUT OIDS ]
[ ON COMMIT { PRESERVE ROWS | DELETE ROWS | DROP } ]
[ TABLESPACE <replaceable class="PARAMETER">tablespace</replaceable> ]
+ [ PARTITION BY { RANGE | LIST } ( key ) [ <replaceable class="PARAMETER">opclass</replaceable> ]
+ [ ( {
+ PARTITION <replaceable class="PARAMETER">partition</replaceable> VALUES LESS THAN { <replaceable class="PARAMETER">value</replaceable> | MAXVALUE }
+ | PARTITION <replaceable class="PARAMETER">partition</replaceable> VALUES [ IN ] [ ( ] { <replaceable class="PARAMETER">value</replaceable> [, ...] | DEFAULT } [ ) ]
+ } ) ]
+ ]
<phrase>where <replaceable class="PARAMETER">column_constraint</replaceable> is:</phrase>
*************** CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY
*** 762,767 ****
--- 768,784 ----
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><literal>PARTITION BY</literal></term>
+ <listitem>
+ <para>
+ This clause adds a <literal>RANGE</literal> or <literal>LIST</literal>
+ partition key and optional partitions into the table.
+ When a named partition exist as a table, it inherits this table.
+ If not exists, a new table is automatically created and used.
+ </para>
+ </listitem>
+ </varlistentry>
</variablelist>
<refsect2 id="SQL-CREATETABLE-storage-parameters">
*************** CREATE TABLE cinemas (
*** 1182,1187 ****
--- 1199,1224 ----
</programlisting>
</para>
+ <para>
+ Create a table <literal>films</literal> with partitions for each
+ released year:
+
+ <programlisting>
+ CREATE TABLE films (
+ code char(5) PRIMARY KEY,
+ title varchar(40),
+ released date,
+ kind varchar(10),
+ len interval hour to minute
+ )
+ PARTITION BY RANGE (released)
+ (
+ PARTITION films_2008 VALUES LESS THAN ('2009-01-01'),
+ PARTITION films_2009 VALUES LESS THAN ('2010-01-01'),
+ PARTITION films_2010 VALUES LESS THAN ('2011-01-01')
+ );
+ </programlisting>
+ </para>
</refsect1>
<refsect1 id="SQL-CREATETABLE-compatibility">
diff -cprN head/src/backend/catalog/Makefile work/src/backend/catalog/Makefile
*** head/src/backend/catalog/Makefile 2010-01-07 09:24:42.729068000 +0900
--- work/src/backend/catalog/Makefile 2010-01-14 15:12:13.201468184 +0900
*************** POSTGRES_BKI_SRCS = $(addprefix $(top_sr
*** 37,43 ****
pg_ts_config.h pg_ts_config_map.h pg_ts_dict.h \
pg_ts_parser.h pg_ts_template.h \
pg_foreign_data_wrapper.h pg_foreign_server.h pg_user_mapping.h \
! pg_default_acl.h \
toasting.h indexing.h \
)
--- 37,43 ----
pg_ts_config.h pg_ts_config_map.h pg_ts_dict.h \
pg_ts_parser.h pg_ts_template.h \
pg_foreign_data_wrapper.h pg_foreign_server.h pg_user_mapping.h \
! pg_default_acl.h pg_partition.h \
toasting.h indexing.h \
)
diff -cprN head/src/backend/catalog/dependency.c work/src/backend/catalog/dependency.c
*** head/src/backend/catalog/dependency.c 2010-01-04 09:10:26.638773000 +0900
--- work/src/backend/catalog/dependency.c 2010-01-14 15:12:13.202482525 +0900
***************
*** 42,47 ****
--- 42,48 ----
#include "catalog/pg_opclass.h"
#include "catalog/pg_operator.h"
#include "catalog/pg_opfamily.h"
+ #include "catalog/pg_partition.h"
#include "catalog/pg_proc.h"
#include "catalog/pg_rewrite.h"
#include "catalog/pg_tablespace.h"
*************** static const Oid object_classes[MAX_OCLA
*** 151,157 ****
ForeignDataWrapperRelationId, /* OCLASS_FDW */
ForeignServerRelationId, /* OCLASS_FOREIGN_SERVER */
UserMappingRelationId, /* OCLASS_USER_MAPPING */
! DefaultAclRelationId /* OCLASS_DEFACL */
};
--- 152,159 ----
ForeignDataWrapperRelationId, /* OCLASS_FDW */
ForeignServerRelationId, /* OCLASS_FOREIGN_SERVER */
UserMappingRelationId, /* OCLASS_USER_MAPPING */
! DefaultAclRelationId, /* OCLASS_DEFACL */
! PartitionRelationId /* OCLASS_PARTITION */
};
*************** doDeletion(const ObjectAddress *object)
*** 1149,1154 ****
--- 1151,1160 ----
RemoveDefaultACLById(object->objectId);
break;
+ case OCLASS_PARTITION:
+ RemovePartition(object->objectId);
+ break;
+
default:
elog(ERROR, "unrecognized object class: %u",
object->classId);
*************** getObjectClass(const ObjectAddress *obje
*** 2076,2081 ****
--- 2082,2091 ----
case DefaultAclRelationId:
Assert(object->objectSubId == 0);
return OCLASS_DEFACL;
+
+ case PartitionRelationId:
+ Assert(object->objectSubId == 0);
+ return OCLASS_PARTITION;
}
/* shouldn't get here */
*************** getObjectDescription(const ObjectAddress
*** 2685,2690 ****
--- 2695,2744 ----
break;
}
+ case OCLASS_PARTITION:
+ {
+ Relation rel;
+ ScanKeyData skey[1];
+ SysScanDesc rcscan;
+ HeapTuple tup;
+ Form_pg_partition partition;
+
+ rel = heap_open(PartitionRelationId, AccessShareLock);
+
+ ScanKeyInit(&skey[0],
+ Anum_pg_partition_partrelid,
+ BTEqualStrategyNumber, F_OIDEQ,
+ ObjectIdGetDatum(object->objectId));
+
+ rcscan = systable_beginscan(rel, PartitionRelidIndexId,
+ true, SnapshotNow, 1, skey);
+
+ tup = systable_getnext(rcscan);
+
+ if (!HeapTupleIsValid(tup))
+ elog(ERROR, "could not find tuple for partition %u",
+ object->objectId);
+
+ partition = (Form_pg_partition) GETSTRUCT(tup);
+
+ switch (partition->partkind)
+ {
+ case PARTITION_BY_RANGE:
+ appendStringInfo(&buffer, _("range partition"));
+ break;
+ case PARTITION_BY_LIST:
+ appendStringInfo(&buffer, _("list partition"));
+ break;
+ default:
+ appendStringInfo(&buffer, _("partition"));
+ break;
+ }
+
+ systable_endscan(rcscan);
+ heap_close(rel, AccessShareLock);
+ break;
+ }
+
default:
appendStringInfo(&buffer, "unrecognized object %u %u %d",
object->classId,
diff -cprN head/src/backend/catalog/heap.c work/src/backend/catalog/heap.c
*** head/src/backend/catalog/heap.c 2010-01-06 14:42:58.290140000 +0900
--- work/src/backend/catalog/heap.c 2010-01-14 15:12:13.203126729 +0900
***************
*** 43,48 ****
--- 43,49 ----
#include "catalog/pg_constraint.h"
#include "catalog/pg_inherits.h"
#include "catalog/pg_namespace.h"
+ #include "catalog/pg_partition.h"
#include "catalog/pg_statistic.h"
#include "catalog/pg_tablespace.h"
#include "catalog/pg_type.h"
*************** static void StoreConstraints(Relation re
*** 91,99 ****
static bool MergeWithExistingConstraint(Relation rel, char *ccname, Node *expr,
bool allow_merge, bool is_local);
static void SetRelationNumChecks(Relation rel, int numchecks);
- static Node *cookConstraint(ParseState *pstate,
- Node *raw_constraint,
- char *relname);
static List *insert_ordered_unique_oid(List *list, Oid datum);
Oid binary_upgrade_next_heap_relfilenode = InvalidOid;
--- 92,97 ----
*************** cookDefault(ParseState *pstate,
*** 2283,2289 ****
* Parse state must be set up to recognize any vars that might appear
* in the expression.
*/
! static Node *
cookConstraint(ParseState *pstate,
Node *raw_constraint,
char *relname)
--- 2281,2287 ----
* Parse state must be set up to recognize any vars that might appear
* in the expression.
*/
! Node *
cookConstraint(ParseState *pstate,
Node *raw_constraint,
char *relname)
*************** RemoveStatistics(Oid relid, AttrNumber a
*** 2376,2381 ****
--- 2374,2444 ----
/*
+ * Remove a pg_partition entry
+ */
+ void
+ RemovePartition(Oid relid)
+ {
+ Relation rel;
+ HeapScanDesc scan;
+ ScanKeyData key;
+ HeapTuple tup;
+
+ /* DELETE FROM pg_partition WHERE partrelid = :relid */
+ rel = heap_open(PartitionRelationId, RowExclusiveLock);
+ tup = SearchSysCache(PARTITIONKEY,
+ ObjectIdGetDatum(relid),
+ 0, 0, 0);
+ if (!HeapTupleIsValid(tup))
+ elog(ERROR, "cache lookup failed for partition %u", relid);
+ simple_heap_delete(rel, &tup->t_self);
+ ReleaseSysCache(tup);
+ heap_close(rel, RowExclusiveLock);
+
+ /* UPDATE pg_inherits SET inhvalues = NULL WHERE inhparent = :relid */
+ rel = heap_open(InheritsRelationId, RowExclusiveLock);
+ ScanKeyInit(&key,
+ Anum_pg_inherits_inhparent,
+ BTEqualStrategyNumber, F_OIDEQ,
+ ObjectIdGetDatum(relid));
+ scan = heap_beginscan(rel, SnapshotNow, 1, &key);
+
+ while (HeapTupleIsValid(tup = heap_getnext(scan, ForwardScanDirection)))
+ {
+ Datum datum;
+ bool isnull;
+
+ datum = heap_getattr(tup, Anum_pg_inherits_inhvalues,
+ RelationGetDescr(rel), &isnull);
+ if (!isnull)
+ {
+ Datum values[Natts_pg_inherits];
+ bool nulls[Natts_pg_inherits];
+ bool replaces[Natts_pg_inherits];
+ HeapTuple newtup;
+
+ MemSet(values, 0, sizeof(values));
+ MemSet(nulls, false, sizeof(nulls));
+ MemSet(replaces, false, sizeof(replaces));
+
+ nulls[Anum_pg_inherits_inhvalues - 1] = true;
+ replaces[Anum_pg_inherits_inhvalues - 1] = true;
+
+ newtup = heap_modify_tuple(tup, RelationGetDescr(rel),
+ values, nulls, replaces);
+ simple_heap_update(rel, &newtup->t_self, newtup);
+ CatalogUpdateIndexes(rel, newtup);
+
+ heap_freetuple(newtup);
+ }
+ }
+ heap_endscan(scan);
+
+ heap_close(rel, RowExclusiveLock);
+ }
+
+
+ /*
* RelationTruncateIndexes - truncate all indexes associated
* with the heap relation to zero tuples.
*
diff -cprN head/src/backend/catalog/pg_inherits.c work/src/backend/catalog/pg_inherits.c
*** head/src/backend/catalog/pg_inherits.c 2010-01-04 09:10:26.638773000 +0900
--- work/src/backend/catalog/pg_inherits.c 2010-01-14 15:12:13.203126729 +0900
***************
*** 21,37 ****
--- 21,46 ----
#include "access/genam.h"
#include "access/heapam.h"
+ #include "access/nbtree.h"
#include "catalog/indexing.h"
#include "catalog/pg_class.h"
#include "catalog/pg_inherits.h"
#include "catalog/pg_inherits_fn.h"
+ #include "catalog/pg_opclass.h"
+ #include "catalog/pg_partition.h"
+ #include "nodes/nodeFuncs.h"
#include "parser/parse_type.h"
#include "storage/lmgr.h"
+ #include "utils/array.h"
+ #include "utils/builtins.h"
+ #include "utils/datum.h"
#include "utils/fmgroids.h"
+ #include "utils/lsyscache.h"
#include "utils/syscache.h"
#include "utils/tqual.h"
static int oid_cmp(const void *p1, const void *p2);
+ static int partition_cmp(const void *a, const void *b, void *arg);
/*
*************** oid_cmp(const void *p1, const void *p2)
*** 341,343 ****
--- 350,513 ----
return 1;
return 0;
}
+
+
+ /*
+ * get_partitions - Gather information of a partition.
+ *
+ * Returns a list of Partition.
+ */
+ List *
+ get_partitions(Oid parentrelId, char *kind, Node **key, Oid *opclass)
+ {
+ Relation inhrel;
+ SysScanDesc scan;
+ ScanKeyData skey[1];
+ HeapTuple tp;
+ Datum datum;
+ bool isnull;
+ List *partitions = NIL;
+ Form_pg_opclass form;
+ Oid opfamily;
+ Oid opcintype;
+ Oid typid;
+ int16 typlen;
+ bool typbyval;
+ char typalign;
+ int i,
+ n;
+
+ *kind = 0;
+ *key = NULL;
+ *opclass = InvalidOid;
+
+ /* Get partition key and operator. */
+ tp = SearchSysCache(PARTITIONKEY, ObjectIdGetDatum(parentrelId), 0, 0, 0);
+ if (!HeapTupleIsValid(tp))
+ return NIL; /* not partitioned */
+
+ *kind = DatumGetChar(SysCacheGetAttr(PARTITIONKEY, tp,
+ Anum_pg_partition_partkind, &isnull));
+ *key = stringToNode(TextDatumGetCString(SysCacheGetAttr(
+ PARTITIONKEY, tp, Anum_pg_partition_partkey, &isnull)));
+ *opclass = DatumGetObjectId(SysCacheGetAttr(PARTITIONKEY, tp,
+ Anum_pg_partition_partopclass, &isnull));
+ ReleaseSysCache(tp);
+
+ tp = SearchSysCache(CLAOID, ObjectIdGetDatum(*opclass), 0, 0, 0);
+ if (!HeapTupleIsValid(tp))
+ elog(ERROR, "cache lookup failed for opclass %u", *opclass);
+ form = (Form_pg_opclass) GETSTRUCT(tp);
+ opfamily = form->opcfamily;
+ opcintype = form->opcintype;
+ ReleaseSysCache(tp);
+
+ typid = exprType(*key);
+ get_typlenbyvalalign(typid, &typlen, &typbyval, &typalign);
+
+ if (!has_subclass(parentrelId))
+ return NIL; /* has no partitions */
+
+ /* Gather values from existing paritition. */
+ inhrel = heap_open(InheritsRelationId, AccessShareLock);
+ ScanKeyInit(&skey[0],
+ Anum_pg_inherits_inhparent,
+ BTEqualStrategyNumber, F_OIDEQ,
+ ObjectIdGetDatum(parentrelId));
+ scan = systable_beginscan(inhrel, InheritsParentIndexId, true,
+ SnapshotNow, 1, skey);
+
+ while ((tp = systable_getnext(scan)) != NULL)
+ {
+ Form_pg_inherits inh = (Form_pg_inherits) GETSTRUCT(tp);
+ Partition *p;
+
+ datum = heap_getattr(tp, Anum_pg_inherits_inhvalues,
+ RelationGetDescr(inhrel), &isnull);
+ if (isnull)
+ continue; /* non-partition inheritance */
+
+ p = (Partition *) palloc(sizeof(Partition));
+ p->relid = inh->inhrelid;
+ deconstruct_array(DatumGetArrayTypeP(datum), typid, typlen,
+ typbyval, typalign, &p->values, NULL, &p->nvalues);
+
+ /* copy array elements if passed-by-reference */
+ if (!typbyval)
+ {
+ for (i = 0; i < p->nvalues; i++)
+ {
+ p->values[i] = (typlen == -1
+ ? PointerGetDatum(PG_DETOAST_DATUM_COPY(p->values[i]))
+ : datumCopy(p->values[i], false, typlen));
+ }
+ }
+
+ partitions = lappend(partitions, p);
+ }
+
+ systable_endscan(scan);
+ heap_close(inhrel, AccessShareLock);
+
+ /*
+ * Sort partitions compared with each first value. They are the upper range
+ * of the partition for range partitions. List partitions don't always need
+ * to sort whole of the list, but overflow partitions should be placed at
+ * end of the list.
+ */
+ n = list_length(partitions);
+ if (n >= 2)
+ {
+ Oid cmptype = (opcintype != InvalidOid ? opcintype : typid);
+ Oid cmpid;
+ FmgrInfo cmpfn;
+ Partition **sorted;
+ ListCell *cell;
+
+ cmpid = get_opfamily_proc(opfamily, cmptype, cmptype, BTORDER_PROC);
+ if (!OidIsValid(cmpid))
+ elog(ERROR, "missing support function %d(%u,%u) in opfamily %u",
+ BTORDER_PROC, cmptype, cmptype, opfamily);
+ fmgr_info(cmpid, &cmpfn);
+
+ /*
+ * We flatten list to array, sort items in array, and rebuild a list.
+ */
+ sorted = (Partition **) palloc(sizeof(Partition *) * n);
+ i = 0;
+ foreach(cell, partitions)
+ sorted[i++] = (Partition *) lfirst(cell);
+ list_free(partitions);
+
+ qsort_arg(sorted, n, sizeof(Partition *), partition_cmp, &cmpfn);
+
+ partitions = NIL;
+ for (i = 0; i < n; i++)
+ partitions = lappend(partitions, sorted[i]);
+ pfree(sorted);
+ }
+
+ return partitions;
+ }
+
+
+ /*
+ * qsort function to compare partitions with the first value. Overflow
+ * partitions are always larger than normal partitions.
+ */
+ static int
+ partition_cmp(const void *a, const void *b, void *arg)
+ {
+ const Partition *lhs = *(const Partition **) a;
+ const Partition *rhs = *(const Partition **) b;
+ FmgrInfo *cmpfn = (FmgrInfo *) arg;
+
+ if (lhs->nvalues == 0 && rhs->nvalues == 0)
+ return 0; /* should not ocuur */
+ else if (rhs->nvalues == 0)
+ return -1; /* rhs is an overflow partition */
+ else if (lhs->nvalues == 0)
+ return +1; /* lhs is an overflow partition */
+
+ return DatumGetInt32(FunctionCall2(cmpfn, lhs->values[0], rhs->values[0]));
+ }
diff -cprN head/src/backend/commands/indexcmds.c work/src/backend/commands/indexcmds.c
*** head/src/backend/commands/indexcmds.c 2010-01-04 09:10:26.638773000 +0900
--- work/src/backend/commands/indexcmds.c 2010-01-14 15:12:13.204484688 +0900
*************** static void ComputeIndexAttrs(IndexInfo
*** 65,72 ****
char *accessMethodName, Oid accessMethodId,
bool amcanorder,
bool isconstraint);
- static Oid GetIndexOpClass(List *opclass, Oid attrType,
- char *accessMethodName, Oid accessMethodId);
static char *ChooseIndexNameAddition(List *colnames);
static bool relationHasPrimaryKey(Relation rel);
--- 65,70 ----
*************** ComputeIndexAttrs(IndexInfo *indexInfo,
*** 1044,1052 ****
/*
* Resolve possibly-defaulted operator class specification
*/
! static Oid
GetIndexOpClass(List *opclass, Oid attrType,
! char *accessMethodName, Oid accessMethodId)
{
char *schemaname;
char *opcname;
--- 1042,1050 ----
/*
* Resolve possibly-defaulted operator class specification
*/
! Oid
GetIndexOpClass(List *opclass, Oid attrType,
! const char *accessMethodName, Oid accessMethodId)
{
char *schemaname;
char *opcname;
diff -cprN head/src/backend/commands/tablecmds.c work/src/backend/commands/tablecmds.c
*** head/src/backend/commands/tablecmds.c 2010-01-06 12:51:20.335548000 +0900
--- work/src/backend/commands/tablecmds.c 2010-01-14 17:31:09.760104405 +0900
***************
*** 32,37 ****
--- 32,39 ----
#include "catalog/pg_inherits_fn.h"
#include "catalog/pg_namespace.h"
#include "catalog/pg_opclass.h"
+ #include "catalog/pg_operator.h"
+ #include "catalog/pg_partition.h"
#include "catalog/pg_tablespace.h"
#include "catalog/pg_trigger.h"
#include "catalog/pg_type.h"
***************
*** 65,72 ****
--- 67,76 ----
#include "storage/bufmgr.h"
#include "storage/lmgr.h"
#include "storage/smgr.h"
+ #include "tcop/utility.h"
#include "utils/acl.h"
#include "utils/builtins.h"
+ #include "utils/datum.h"
#include "utils/fmgroids.h"
#include "utils/inval.h"
#include "utils/lsyscache.h"
*************** static void MergeAttributesIntoExisting(
*** 230,236 ****
static void MergeConstraintsIntoExisting(Relation child_rel, Relation parent_rel);
static void StoreCatalogInheritance(Oid relationId, List *supers);
static void StoreCatalogInheritance1(Oid relationId, Oid parentOid,
! int16 seqNumber, Relation inhRelation);
static int findAttrByName(const char *attributeName, List *schema);
static void setRelhassubclassInRelation(Oid relationId, bool relhassubclass);
static void AlterIndexNamespaces(Relation classRel, Relation rel,
--- 234,240 ----
static void MergeConstraintsIntoExisting(Relation child_rel, Relation parent_rel);
static void StoreCatalogInheritance(Oid relationId, List *supers);
static void StoreCatalogInheritance1(Oid relationId, Oid parentOid,
! int16 seqNumber, ArrayType *inhvalues, Relation inhRelation);
static int findAttrByName(const char *attributeName, List *schema);
static void setRelhassubclassInRelation(Oid relationId, bool relhassubclass);
static void AlterIndexNamespaces(Relation classRel, Relation rel,
*************** static void ATExecEnableDisableRule(Rela
*** 331,340 ****
char fires_when);
static void ATExecAddInherit(Relation rel, RangeVar *parent);
static void ATExecDropInherit(Relation rel, RangeVar *parent);
static void copy_relation_data(SMgrRelation rel, SMgrRelation dst,
ForkNumber forkNum, bool istemp);
static const char *storage_name(char c);
!
/* ----------------------------------------------------------------
* DefineRelation
--- 335,360 ----
char fires_when);
static void ATExecAddInherit(Relation rel, RangeVar *parent);
static void ATExecDropInherit(Relation rel, RangeVar *parent);
+ static void ATExecPartitionBy(Relation rel, PartitionBy *defs);
+ static void ATExecAttachPartition(List **wqueue, AlteredTableInfo *tab, Relation rel, PartitionDef *def);
+ static void ATExecDetachPartition(Relation rel, RangeVar *child);
static void copy_relation_data(SMgrRelation rel, SMgrRelation dst,
ForkNumber forkNum, bool istemp);
static const char *storage_name(char c);
! static void addInherit(Relation child_rel, Relation parent_rel,
! List **wqueue, AlteredTableInfo *tab, PartitionDef *def);
! static void dropInherit(Relation rel, Relation parent_rel);
! static ArrayType *addPartitionConstraint(List **wqueue, AlteredTableInfo *tab,
! PartitionDef *def, Relation parent, Relation child);
! static void findRangePartition(Datum value, List *partitions, FmgrInfo *ltfn,
! Partition **left, Partition **right);
! static Partition *findOverlappedListPartition(const Datum *values,
! int nvalues, List *partitions, FmgrInfo *eqfn);
! static List *gatherPartitionValues(List *partitions, Oid elmtype, int elmlen,
! bool elmbyval);
! static Datum *evaluateValues(Oid typid, int typlen, bool typbyval,
! List *values, int *length);
! static const char *getPartitionKindName(char partkind);
/* ----------------------------------------------------------------
* DefineRelation
*************** StoreCatalogInheritance(Oid relationId,
*** 1777,1783 ****
{
Oid parentOid = lfirst_oid(entry);
! StoreCatalogInheritance1(relationId, parentOid, seqNumber, relation);
seqNumber++;
}
--- 1797,1803 ----
{
Oid parentOid = lfirst_oid(entry);
! StoreCatalogInheritance1(relationId, parentOid, seqNumber, NULL, relation);
seqNumber++;
}
*************** StoreCatalogInheritance(Oid relationId,
*** 1789,1796 ****
* of parentOid. inhRelation is the already-opened pg_inherits catalog.
*/
static void
! StoreCatalogInheritance1(Oid relationId, Oid parentOid,
! int16 seqNumber, Relation inhRelation)
{
TupleDesc desc = RelationGetDescr(inhRelation);
Datum values[Natts_pg_inherits];
--- 1809,1816 ----
* of parentOid. inhRelation is the already-opened pg_inherits catalog.
*/
static void
! StoreCatalogInheritance1(Oid relationId, Oid parentOid, int16 seqNumber,
! ArrayType *inhvalues, Relation inhRelation)
{
TupleDesc desc = RelationGetDescr(inhRelation);
Datum values[Natts_pg_inherits];
*************** StoreCatalogInheritance1(Oid relationId,
*** 1805,1812 ****
--- 1825,1834 ----
values[Anum_pg_inherits_inhrelid - 1] = ObjectIdGetDatum(relationId);
values[Anum_pg_inherits_inhparent - 1] = ObjectIdGetDatum(parentOid);
values[Anum_pg_inherits_inhseqno - 1] = Int16GetDatum(seqNumber);
+ values[Anum_pg_inherits_inhvalues - 1] = PointerGetDatum(inhvalues);
memset(nulls, 0, sizeof(nulls));
+ nulls[Anum_pg_inherits_inhvalues - 1] = (inhvalues == NULL);
tuple = heap_form_tuple(desc, values, nulls);
*************** RenameRelationInternal(Oid myrelid, cons
*** 2174,2179 ****
--- 2196,2220 ----
}
/*
+ * CREATE PARTITION partition ON table
+ */
+ void
+ CreatePartition(CreatePartitionStmt *stmt, const char *queryString)
+ {
+ List *stmts;
+ ListCell *cell;
+
+ stmts = transformCreatePartition(stmt->def, stmt->parent);
+
+ foreach(cell, stmts)
+ {
+ ProcessUtility((Node *) lfirst(cell),
+ queryString, NULL, false, NULL, NULL);
+ CommandCounterIncrement();
+ }
+ }
+
+ /*
* Disallow ALTER TABLE (and similar commands) when the current backend has
* any open reference to the target table besides the one just acquired by
* the calling command; this implies there's an open cursor or active plan.
*************** ATPrepCmd(List **wqueue, Relation rel, A
*** 2533,2543 ****
--- 2574,2590 ----
case AT_DisableRule:
case AT_AddInherit: /* INHERIT / NO INHERIT */
case AT_DropInherit:
+ case AT_DetachPartition: /* DETACH PARTITION */
ATSimplePermissions(rel, false);
/* These commands never recurse */
/* No command-specific prep needed */
pass = AT_PASS_MISC;
break;
+ case AT_PartitionBy: /* PARTITION BY / NO PARTITION */
+ case AT_AttachPartition: /* ATTACH PARTITION */
+ ATSimplePermissions(rel, false);
+ pass = AT_PASS_ADD_CONSTR;
+ break;
default: /* oops */
elog(ERROR, "unrecognized alter table type: %d",
(int) cmd->subtype);
*************** ATExecCmd(List **wqueue, AlteredTableInf
*** 2777,2782 ****
--- 2824,2838 ----
case AT_DropInherit:
ATExecDropInherit(rel, (RangeVar *) cmd->def);
break;
+ case AT_PartitionBy: /* PARTITION BY / NO PARTITION */
+ ATExecPartitionBy(rel, (PartitionBy *) cmd->def);
+ break;
+ case AT_AttachPartition:
+ ATExecAttachPartition(wqueue, tab, rel, (PartitionDef *) cmd->def);
+ break;
+ case AT_DetachPartition:
+ ATExecDetachPartition(rel, (RangeVar *) cmd->def);
+ break;
default: /* oops */
elog(ERROR, "unrecognized alter table type: %d",
(int) cmd->subtype);
*************** ATExecAlterColumnType(AlteredTableInfo *
*** 6143,6148 ****
--- 6199,6211 ----
getObjectDescription(&foundObject));
break;
+ case OCLASS_PARTITION:
+ /* TODO: recreate all partitions */
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("cannot alter type of a column used in partition keys")));
+ break;
+
default:
elog(ERROR, "unrecognized object class: %u",
foundObject.classId);
*************** ATExecEnableDisableRule(Relation rel, ch
*** 7110,7116 ****
}
/*
! * ALTER TABLE INHERIT
*
* Add a parent to the child's parents. This verifies that all the columns and
* check constraints of the parent appear in the child and that they have the
--- 7173,7179 ----
}
/*
! * ALTER TABLE INHERIT / ATTACH PARTITION
*
* Add a parent to the child's parents. This verifies that all the columns and
* check constraints of the parent appear in the child and that they have the
*************** ATExecEnableDisableRule(Relation rel, ch
*** 7119,7131 ****
static void
ATExecAddInherit(Relation child_rel, RangeVar *parent)
{
! Relation parent_rel,
! catalogRelation;
! SysScanDesc scan;
! ScanKeyData key;
! HeapTuple inheritsTuple;
! int32 inhseqno;
! List *children;
/*
* AccessShareLock on the parent is what's obtained during normal CREATE
--- 7182,7188 ----
static void
ATExecAddInherit(Relation child_rel, RangeVar *parent)
{
! Relation parent_rel;
/*
* AccessShareLock on the parent is what's obtained during normal CREATE
*************** ATExecAddInherit(Relation child_rel, Ran
*** 7133,7138 ****
--- 7190,7231 ----
*/
parent_rel = heap_openrv(parent, AccessShareLock);
+ addInherit(child_rel, parent_rel, NULL, NULL, NULL);
+
+ /* keep our lock on the parent relation until commit */
+ heap_close(parent_rel, NoLock);
+ }
+
+ static void
+ ATExecAttachPartition(List **wqueue, AlteredTableInfo *tab,
+ Relation parent_rel, PartitionDef *def)
+ {
+ Relation child_rel;
+
+ /*
+ * AccessShareLock on the parent is what's obtained during normal CREATE
+ * TABLE ... INHERITS ..., so should be enough here.
+ */
+ child_rel = heap_openrv(def->name, AccessShareLock);
+
+ addInherit(child_rel, parent_rel, wqueue, tab, def);
+
+ /* keep our lock on the parent relation until commit */
+ heap_close(child_rel, NoLock);
+ }
+
+ static void
+ addInherit(Relation child_rel, Relation parent_rel,
+ List **wqueue, AlteredTableInfo *tab, PartitionDef *def)
+ {
+ Relation catalogRelation;
+ SysScanDesc scan;
+ ScanKeyData key;
+ HeapTuple inheritsTuple;
+ int32 inhseqno;
+ List *children;
+ ArrayType *inhvalues;
+
/*
* Must be owner of both parent and child -- child was checked by
* ATSimplePermissions call in ATPrepCmd
*************** ATExecAddInherit(Relation child_rel, Ran
*** 7200,7206 ****
(errcode(ERRCODE_DUPLICATE_TABLE),
errmsg("circular inheritance not allowed"),
errdetail("\"%s\" is already a child of \"%s\".",
! parent->relname,
RelationGetRelationName(child_rel))));
/* If parent has OIDs then child must have OIDs */
--- 7293,7299 ----
(errcode(ERRCODE_DUPLICATE_TABLE),
errmsg("circular inheritance not allowed"),
errdetail("\"%s\" is already a child of \"%s\".",
! RelationGetRelationName(parent_rel),
RelationGetRelationName(child_rel))));
/* If parent has OIDs then child must have OIDs */
*************** ATExecAddInherit(Relation child_rel, Ran
*** 7217,7235 ****
/* Match up the constraints and bump coninhcount as needed */
MergeConstraintsIntoExisting(child_rel, parent_rel);
/*
* OK, it looks valid. Make the catalog entries that show inheritance.
*/
StoreCatalogInheritance1(RelationGetRelid(child_rel),
RelationGetRelid(parent_rel),
inhseqno + 1,
catalogRelation);
/* Now we're done with pg_inherits */
heap_close(catalogRelation, RowExclusiveLock);
! /* keep our lock on the parent relation until commit */
! heap_close(parent_rel, NoLock);
}
/*
--- 7310,7735 ----
/* Match up the constraints and bump coninhcount as needed */
MergeConstraintsIntoExisting(child_rel, parent_rel);
+ /* Add CHECK constraint for partition */
+ if (def != NULL)
+ inhvalues = addPartitionConstraint(
+ wqueue, tab, def, parent_rel, child_rel);
+ else
+ inhvalues = NULL;
+
/*
* OK, it looks valid. Make the catalog entries that show inheritance.
*/
StoreCatalogInheritance1(RelationGetRelid(child_rel),
RelationGetRelid(parent_rel),
inhseqno + 1,
+ inhvalues,
catalogRelation);
/* Now we're done with pg_inherits */
heap_close(catalogRelation, RowExclusiveLock);
+ }
! /*
! * addPartitionConstraint - Add check constraint for partition.
! */
! static ArrayType *
! addPartitionConstraint(List **wqueue, AlteredTableInfo *tab, PartitionDef *def,
! Relation parent, Relation child)
! {
! HeapTuple tp;
! Form_pg_opclass opclassTup;
! char partkind;
! Node *partkey;
! Oid opclass;
! Oid opfamily;
! Oid opcintype;
! List *partitions;
! Oid elmtype;
! int16 elmlen;
! bool elmbyval;
! char elmalign;
! int16 strategy;
! Oid oprid;
! List *opr;
! FmgrInfo opfn;
! Node *check_expr;
! Datum *values;
! int nvalues;
!
! /* Retrieve partition information. */
! partitions = get_partitions(RelationGetRelid(parent),
! &partkind, &partkey, &opclass);
! if (partkind == 0)
! ereport(ERROR,
! (errcode(ERRCODE_INVALID_TABLE_DEFINITION),
! errmsg("table \"%s\" is not partitioned",
! RelationGetRelationName(parent))));
! if (partkind != def->kind)
! ereport(ERROR,
! (errcode(ERRCODE_INVALID_TABLE_DEFINITION),
! errmsg("cannot add %s partition \"%s\" to %s partitioned table \"%s\"",
! getPartitionKindName(def->kind),
! RelationGetRelationName(child),
! getPartitionKindName(partkind),
! RelationGetRelationName(parent))));
!
! /* Check for duplicated overflow partitions */
! if (list_length(partitions) > 0 &&
! ((Partition *) llast(partitions))->nvalues == 0)
! {
! if (def->values == NIL)
! ereport(ERROR,
! (errcode(ERRCODE_DUPLICATE_TABLE),
! errmsg("duplicated overflow partition")));
! else
! ereport(ERROR,
! (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
! errmsg("cannot add partition to \"%s\", that has an overflow partition",
! RelationGetRelationName(parent))));
! }
!
! /* Retrieve type information and convert expressions into datum array. */
! elmtype = exprType(partkey);
! get_typlenbyvalalign(elmtype, &elmlen, &elmbyval, &elmalign);
! values = evaluateValues(elmtype, elmlen, elmbyval, def->values, &nvalues);
!
! /* Retrieve operator information. */
! tp = SearchSysCache(CLAOID, ObjectIdGetDatum(opclass), 0, 0, 0);
! if (!HeapTupleIsValid(tp))
! elog(ERROR, "cache lookup failed for opclass %u", opclass);
! opclassTup = (Form_pg_opclass) GETSTRUCT(tp);
! opfamily = opclassTup->opcfamily;
! opcintype = opclassTup->opcintype;
! ReleaseSysCache(tp);
!
! if (!OidIsValid(opcintype))
! opcintype = elmtype;
!
! switch (partkind)
! {
! case PARTITION_BY_RANGE:
! strategy = BTLessStrategyNumber;
! break;
! case PARTITION_BY_LIST:
! strategy = BTEqualStrategyNumber;
! break;
! default:
! strategy = 0;
! }
! oprid = get_opfamily_member(opfamily, opcintype, opcintype, strategy);
! if (!OidIsValid(oprid))
! elog(ERROR, "missing operator %d(%u,%u) in opfamily %u",
! strategy, opcintype, opcintype, opfamily);
! opr = get_opfullname(oprid);
! fmgr_info(get_opcode(oprid), &opfn);
!
! /* ALTER TABLE ... ADD CHECK */
! switch (partkind)
! {
! case PARTITION_BY_RANGE:
! {
! Partition *left;
! Partition *right;
! Node *lt = NULL;
! Node *ge = NULL;
!
! /* Check for overlapped list partition values. */
! if (nvalues > 0)
! {
! Assert(nvalues == 1);
! lt = (Node *) makeA_Expr(
! AEXPR_OP, opr, partkey, linitial(def->values), -1);
! findRangePartition(values[0], partitions, &opfn, &left, &right);
! }
! else
! {
! left = (list_length(partitions) > 0 ? llast(partitions) : NULL);
! right = NULL;
! }
!
! /* TODO: split overlapped partition */
! if (right != NULL)
! ereport(ERROR,
! (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
! errmsg("cannot split partition \"%s\"",
! get_rel_name(right->relid))));
!
! if (left)
! {
! Oid oprle;
! Node *lower;
!
! oprle = get_opfamily_member(opfamily, opcintype, opcintype,
! BTLessEqualStrategyNumber);
! if (!OidIsValid(oprid))
! elog(ERROR, "missing operator %d(%u,%u) in opfamily %u",
! BTLessEqualStrategyNumber, opcintype, opcintype, opfamily);
! lower = (Node *) makeConst(elmtype, -1, elmlen, left->values[0],
! false, elmbyval);
! /* lower <= key */
! ge = (Node *) makeA_Expr(AEXPR_OP, get_opfullname(oprle),
! lower, partkey, -1);
! }
!
! if (ge == NULL) /* key < upper */
! check_expr = lt;
! else if (lt == NULL) /* key >= lower */
! check_expr = ge;
! else /* key >= lower AND key < upper */
! check_expr = (Node *) makeA_Expr(AEXPR_AND, NIL, ge, lt, -1);
! break;
! }
! case PARTITION_BY_LIST:
! {
! if (nvalues > 0)
! {
! Partition *overlapped;
!
! /* Check for overlapped list partition values. */
! overlapped = findOverlappedListPartition(values, nvalues,
! partitions, &opfn);
!
! /* TODO: split overlapped partition */
! if (overlapped != NULL)
! ereport(ERROR,
! (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
! errmsg("partition values overlapped with \"%s\"",
! get_rel_name(overlapped->relid))));
!
! /* CHECK ( key = ANY ( values ) ) */
! check_expr = (Node *) makeA_Expr(AEXPR_IN, opr, partkey,
! (Node *) def->values, -1);
! }
! else
! {
! List *all_values = gatherPartitionValues(partitions, elmtype,
! elmlen, elmbyval);
!
! /* CHECK ( NOT (key = ANY ( values ) ) ) */
! if (all_values == NIL)
! check_expr = NULL;
! else
! check_expr = (Node *) makeA_Expr(AEXPR_NOT, NIL, NULL,
! (Node *) makeA_Expr(AEXPR_IN, opr, partkey,
! (Node *) all_values, -1), -1);
! }
!
! break;
! }
! default:
! elog(ERROR, "unknown partition kind: %d", partkind);
! check_expr = NULL; /* keep compiler quiet */
! }
!
! /* Add partition constraint if there are no same check constraint. */
! if (check_expr != NULL)
! {
! TupleConstr *constr;
! Node *cooked_expr = NULL;
! bool found = false;
!
! if ((constr = RelationGetDescr(child)->constr) != NULL)
! {
! ParseState *pstate;
! RangeTblEntry *rte;
! int i;
!
! pstate = make_parsestate(NULL);
! rte = addRangeTableEntryForRelation(pstate, child, NULL, false, true);
! addRTEtoQuery(pstate, rte, true, true, true);
! cooked_expr = cookConstraint(pstate, check_expr,
! RelationGetRelationName(child));
! free_parsestate(pstate);
!
! for (i = 0; i < constr->num_check; i++)
! {
! if (equal(cooked_expr, stringToNode(constr->check[i].ccbin)))
! {
! found = true;
! break;
! }
! }
! }
!
! /* Add a new check constraint only when not found. */
! if (!found)
! {
! Constraint *check;
!
! check = makeNode(Constraint);
! check->contype = CONSTR_CHECK;
! check->location = -1;
! check->raw_expr = (cooked_expr ? NULL : check_expr);
! check->cooked_expr = (cooked_expr ? nodeToString(cooked_expr) : NULL);
! ATAddCheckConstraint(wqueue, tab, child, check, false, false);
! }
! }
!
! /* overflow partition has an empty array. */
! return construct_array(values, nvalues, elmtype, elmlen, elmbyval, elmalign);
! }
!
! /*
! * Return left and right range partitions.
! */
! static void
! findRangePartition(Datum value, List *partitions, FmgrInfo *ltfn,
! Partition **left, Partition **right)
! {
! ListCell *cell;
!
! Assert(left != NULL);
! Assert(right != NULL);
!
! *left = *right = NULL;
!
! foreach(cell, partitions)
! {
! Partition *p = (Partition *) lfirst(cell);
!
! if (p->nvalues > 0 &&
! DatumGetBool(FunctionCall2(ltfn, p->values[0], value)))
! {
! /* left < p < value */
! if (*left == NULL || DatumGetBool(FunctionCall2(ltfn,
! (*left)->values[0], p->values[0])))
! *left = p;
! }
! else
! {
! /* value <= p < right */
! if (*right == NULL || (*right)->nvalues == 0 ||
! (p->nvalues > 0 && DatumGetBool(FunctionCall2(ltfn,
! p->values[0], (*right)->values[0]))))
! *right = p;
! }
! }
! }
!
! /*
! * Return an overlapped list partition, or NULL if not found.
! */
! static Partition *
! findOverlappedListPartition(const Datum *values, int nvalues,
! List *partitions, FmgrInfo *eqfn)
! {
! ListCell *cell;
! int i;
! int j;
!
! foreach(cell, partitions)
! {
! Partition *p = (Partition *) lfirst(cell);
!
! for (i = 0; i < p->nvalues; i++)
! for (j = 0; j < nvalues; j++)
! if (DatumGetBool(FunctionCall2(eqfn, p->values[i], values[j])))
! return p;
! }
!
! return NULL;
! }
!
! /*
! * Gather partition values as a list of Const nodes.
! */
! static List *
! gatherPartitionValues(List *partitions, Oid elmtype, int elmlen, bool elmbyval)
! {
! List *all_values = NIL;
! ListCell *cell;
! int i;
!
! foreach(cell, partitions)
! {
! Partition *p = (Partition *) lfirst(cell);
!
! for (i = 0; i < p->nvalues; i++)
! {
! Const *value = makeConst(elmtype, -1, elmlen,
! p->values[i], false, elmbyval);
! all_values = lappend(all_values, value);
! }
! }
!
! return all_values;
! }
!
! /*
! * evaluateValues - evaluate a list of expressions to build a datum array.
! */
! static Datum *
! evaluateValues(Oid typid, int typlen, bool typbyval, List *values, int *length)
! {
! ListCell *cell;
! ParseState *pstate;
! EState *estate;
! ExprContext *econtext;
! int i;
! Datum *datum;
!
! *length = list_length(values);
! if (*length < 1)
! return NULL;
!
! datum = (Datum *) palloc(*length * sizeof(Datum));
! pstate = make_parsestate(NULL);
! estate = CreateExecutorState();
! econtext = GetPerTupleExprContext(estate);
!
! i = 0;
! foreach(cell, values)
! {
! Node *value = (Node *) lfirst(cell);
! bool isnull;
! ExprState *expr;
! MemoryContext oldcxt;
!
! oldcxt = MemoryContextSwitchTo(GetPerTupleMemoryContext(estate));
!
! value = transformExpr(pstate, value);
! value = coerce_to_specific_type(pstate, value, typid, "PARTITION");
! expr = ExecPrepareExpr((Expr *) value, estate);
!
! datum[i] = ExecEvalExpr(expr, econtext, &isnull, NULL);
! if (isnull)
! ereport(ERROR,
! (errcode(ERRCODE_INVALID_TABLE_DEFINITION),
! errmsg("partition key must not be NULL")));
!
! MemoryContextSwitchTo(oldcxt);
!
! if (!typbyval)
! {
! if (typlen == -1)
! datum[i] = PointerGetDatum(PG_DETOAST_DATUM_COPY(datum[i]));
! else
! datum[i] = datumCopy(datum[i], false, typlen);
! }
!
! ResetPerTupleExprContext(estate);
! i++;
! }
!
! FreeExecutorState(estate);
! free_parsestate(pstate);
!
! return datum;
! }
!
! static const char *
! getPartitionKindName(char partkind)
! {
! switch (partkind)
! {
! case PARTITION_BY_RANGE:
! return "RANGE";
! case PARTITION_BY_LIST:
! return "LIST";
! default:
! return "???";
! }
}
/*
*************** MergeConstraintsIntoExisting(Relation ch
*** 7462,7468 ****
}
/*
! * ALTER TABLE NO INHERIT
*
* Drop a parent from the child's parents. This just adjusts the attinhcount
* and attislocal of the columns and removes the pg_inherit and pg_depend
--- 7962,7968 ----
}
/*
! * ALTER TABLE NO INHERIT / DETACH PARTITION
*
* Drop a parent from the child's parents. This just adjusts the attinhcount
* and attislocal of the columns and removes the pg_inherit and pg_depend
*************** static void
*** 7481,7486 ****
--- 7981,8016 ----
ATExecDropInherit(Relation rel, RangeVar *parent)
{
Relation parent_rel;
+
+ /*
+ * AccessShareLock on the parent is probably enough, seeing that DROP
+ * TABLE doesn't lock parent tables at all. We need some lock since we'll
+ * be inspecting the parent's schema.
+ */
+ parent_rel = heap_openrv(parent, AccessShareLock);
+
+ dropInherit(rel, parent_rel);
+
+ /* close rel, but keep lock until commit */
+ relation_close(parent_rel, NoLock);
+ }
+
+ static void
+ ATExecDetachPartition(Relation rel, RangeVar *child)
+ {
+ Relation child_rel;
+
+ child_rel = heap_openrv(child, AccessExclusiveLock);
+
+ dropInherit(child_rel, rel);
+
+ /* close rel, but keep lock until commit */
+ relation_close(child_rel, NoLock);
+ }
+
+ static void
+ dropInherit(Relation rel, Relation parent_rel)
+ {
Relation catalogRelation;
SysScanDesc scan;
ScanKeyData key[3];
*************** ATExecDropInherit(Relation rel, RangeVar
*** 7492,7504 ****
bool found = false;
/*
- * AccessShareLock on the parent is probably enough, seeing that DROP
- * TABLE doesn't lock parent tables at all. We need some lock since we'll
- * be inspecting the parent's schema.
- */
- parent_rel = heap_openrv(parent, AccessShareLock);
-
- /*
* We don't bother to check ownership of the parent table --- ownership of
* the child is presumed enough rights.
*/
--- 8022,8027 ----
*************** ATExecDropInherit(Relation rel, RangeVar
*** 7689,7697 ****
systable_endscan(scan);
heap_close(catalogRelation, RowExclusiveLock);
! /* keep our lock on the parent relation until commit */
! heap_close(parent_rel, NoLock);
}
--- 8212,8312 ----
systable_endscan(scan);
heap_close(catalogRelation, RowExclusiveLock);
+ }
!
! /*
! * ALTER TABLE PARTITION BY / NO PARTITION
! */
! static void
! ATExecPartitionBy(Relation rel, PartitionBy *defs)
! {
! Oid relid = RelationGetRelid(rel);
! HeapTuple tp;
! ObjectAddress myself;
!
! tp = SearchSysCache(PARTITIONKEY, ObjectIdGetDatum(relid), 0, 0, 0);
! if (HeapTupleIsValid(tp))
! {
! if (defs != NULL)
! ereport(ERROR,
! (errcode(ERRCODE_INVALID_TABLE_DEFINITION),
! errmsg("multiple partition keys for table \"%s\" are not allowed",
! RelationGetRelationName(rel))));
! ReleaseSysCache(tp);
! }
! else if (defs == NULL)
! {
! ereport(ERROR,
! (errcode(ERRCODE_INVALID_TABLE_DEFINITION),
! errmsg("table \"%s\" has no partition key",
! RelationGetRelationName(rel))));
! }
!
! myself.classId = PartitionRelationId;
! myself.objectId = relid;
! myself.objectSubId = 0;
!
! if (defs == NULL)
! {
! /* ALTER TABLE <name> NO PARTITION */
! performDeletion(&myself, DROP_RESTRICT);
! }
! else
! {
! /* ALTER TABLE <name> PARTITION BY ... */
! Relation catalogRel;
! TupleDesc catalogDesc;
! Datum datum[Natts_pg_partition];
! bool nulls[Natts_pg_partition];
! HeapTuple tuple;
! Node *partkey;
! Oid keytype;
! Oid opclass;
! ParseState *pstate;
! RangeTblEntry *rte;
! ObjectAddress opclassObject;
!
! Assert(defs->key != NULL);
!
! /* Transform the expression of partition key. */
! pstate = make_parsestate(NULL);
! rte = addRangeTableEntryForRelation(pstate, rel, NULL, false, true);
! addRTEtoQuery(pstate, rte, true, true, true);
! partkey = transformExpr(pstate, defs->key);
! free_parsestate(pstate);
!
! /* Extract operator oid to compare partition keys */
! keytype = exprType(partkey);
! opclass = GetIndexOpClass(defs->opclass, keytype, "btree", BTREE_AM_OID);
!
! /*
! * Make the pg_partition entry
! */
! memset(nulls, 0, sizeof(nulls));
! datum[0] = ObjectIdGetDatum(relid); /* partrelid */
! datum[1] = ObjectIdGetDatum(opclass); /* partopclass */
! datum[2] = CharGetDatum(defs->kind); /* partkind */
! datum[3] = CStringGetTextDatum(nodeToString(partkey)); /* partkey */
!
! catalogRel = heap_open(PartitionRelationId, RowExclusiveLock);
! catalogDesc = RelationGetDescr(catalogRel);
!
! tuple = heap_form_tuple(catalogDesc, datum, nulls);
! simple_heap_insert(catalogRel, tuple);
! CatalogUpdateIndexes(catalogRel, tuple);
! heap_freetuple(tuple);
!
! /* Store a dependency */
! recordDependencyOnSingleRelExpr(&myself, partkey, relid,
! DEPENDENCY_NORMAL, DEPENDENCY_AUTO);
! opclassObject.classId = OperatorClassRelationId;
! opclassObject.objectId = opclass;
! opclassObject.objectSubId = 0;
! recordDependencyOn(&myself, &opclassObject, DEPENDENCY_NORMAL);
!
! heap_close(catalogRel, RowExclusiveLock);
! }
}
diff -cprN head/src/backend/nodes/copyfuncs.c work/src/backend/nodes/copyfuncs.c
*** head/src/backend/nodes/copyfuncs.c 2010-01-06 09:46:25.748744000 +0900
--- work/src/backend/nodes/copyfuncs.c 2010-01-14 15:12:13.208483632 +0900
*************** _copyCreateStmt(CreateStmt *from)
*** 2511,2516 ****
--- 2511,2517 ----
COPY_NODE_FIELD(options);
COPY_SCALAR_FIELD(oncommit);
COPY_STRING_FIELD(tablespacename);
+ COPY_NODE_FIELD(partitions);
return newnode;
}
*************** _copyAlterTSConfigurationStmt(AlterTSCon
*** 3469,3474 ****
--- 3470,3513 ----
return newnode;
}
+ static PartitionDef *
+ _copyPartitionDef(PartitionDef *from)
+ {
+ PartitionDef *newnode = makeNode(PartitionDef);
+
+ COPY_SCALAR_FIELD(kind);
+ COPY_NODE_FIELD(name);
+ COPY_NODE_FIELD(values);
+ COPY_NODE_FIELD(options);
+ COPY_STRING_FIELD(tablespacename);
+
+ return newnode;
+ }
+
+ static PartitionBy *
+ _copyPartitionBy(PartitionBy *from)
+ {
+ PartitionBy *newnode = makeNode(PartitionBy);
+
+ COPY_SCALAR_FIELD(kind);
+ COPY_NODE_FIELD(key);
+ COPY_NODE_FIELD(opclass);
+ COPY_NODE_FIELD(defs);
+
+ return newnode;
+ }
+
+ static CreatePartitionStmt *
+ _copyCreatePartitionStmt(CreatePartitionStmt *from)
+ {
+ CreatePartitionStmt *newnode = makeNode(CreatePartitionStmt);
+
+ COPY_NODE_FIELD(parent);
+ COPY_NODE_FIELD(def);
+
+ return newnode;
+ }
+
/* ****************************************************************
* pg_list.h copy functions
* ****************************************************************
*************** copyObject(void *from)
*** 4139,4144 ****
--- 4178,4192 ----
case T_AlterTSConfigurationStmt:
retval = _copyAlterTSConfigurationStmt(from);
break;
+ case T_PartitionDef:
+ retval = _copyPartitionDef(from);
+ break;
+ case T_PartitionBy:
+ retval = _copyPartitionBy(from);
+ break;
+ case T_CreatePartitionStmt:
+ retval = _copyCreatePartitionStmt(from);
+ break;
case T_A_Expr:
retval = _copyAExpr(from);
diff -cprN head/src/backend/nodes/equalfuncs.c work/src/backend/nodes/equalfuncs.c
*** head/src/backend/nodes/equalfuncs.c 2010-01-06 09:46:25.748744000 +0900
--- work/src/backend/nodes/equalfuncs.c 2010-01-14 15:12:13.209413335 +0900
*************** _equalCreateStmt(CreateStmt *a, CreateSt
*** 1103,1108 ****
--- 1103,1109 ----
COMPARE_NODE_FIELD(options);
COMPARE_SCALAR_FIELD(oncommit);
COMPARE_STRING_FIELD(tablespacename);
+ COMPARE_NODE_FIELD(partitions);
return true;
}
*************** _equalAlterTSConfigurationStmt(AlterTSCo
*** 1912,1917 ****
--- 1913,1950 ----
}
static bool
+ _equalPartitionDef(PartitionDef *a, PartitionDef *b)
+ {
+ COMPARE_SCALAR_FIELD(kind);
+ COMPARE_NODE_FIELD(name);
+ COMPARE_NODE_FIELD(values);
+ COMPARE_NODE_FIELD(options);
+ COMPARE_STRING_FIELD(tablespacename);
+
+ return true;
+ }
+
+ static bool
+ _equalPartitionBy(PartitionBy *a, PartitionBy *b)
+ {
+ COMPARE_SCALAR_FIELD(kind);
+ COMPARE_NODE_FIELD(key);
+ COMPARE_NODE_FIELD(opclass);
+ COMPARE_NODE_FIELD(defs);
+
+ return true;
+ }
+
+ static bool
+ _equalCreatePartitionStmt(CreatePartitionStmt *a, CreatePartitionStmt *b)
+ {
+ COMPARE_NODE_FIELD(parent);
+ COMPARE_NODE_FIELD(def);
+
+ return true;
+ }
+
+ static bool
_equalAExpr(A_Expr *a, A_Expr *b)
{
COMPARE_SCALAR_FIELD(kind);
*************** equal(void *a, void *b)
*** 2830,2835 ****
--- 2863,2877 ----
case T_AlterTSConfigurationStmt:
retval = _equalAlterTSConfigurationStmt(a, b);
break;
+ case T_PartitionDef:
+ retval = _equalPartitionDef(a, b);
+ break;
+ case T_PartitionBy:
+ retval = _equalPartitionBy(a, b);
+ break;
+ case T_CreatePartitionStmt:
+ retval = _equalCreatePartitionStmt(a, b);
+ break;
case T_A_Expr:
retval = _equalAExpr(a, b);
diff -cprN head/src/backend/nodes/outfuncs.c work/src/backend/nodes/outfuncs.c
*** head/src/backend/nodes/outfuncs.c 2010-01-06 09:46:25.748744000 +0900
--- work/src/backend/nodes/outfuncs.c 2010-01-14 15:12:13.209413335 +0900
*************** _outCreateStmt(StringInfo str, CreateStm
*** 1788,1793 ****
--- 1788,1794 ----
WRITE_NODE_FIELD(options);
WRITE_ENUM_FIELD(oncommit, OnCommitAction);
WRITE_STRING_FIELD(tablespacename);
+ WRITE_NODE_FIELD(partitions);
}
static void
*************** _outConstraint(StringInfo str, Constrain
*** 2439,2444 ****
--- 2440,2468 ----
}
}
+ static void
+ _outPartition(StringInfo str, PartitionDef *node)
+ {
+ WRITE_NODE_TYPE("PARTITIONDEF");
+
+ WRITE_CHAR_FIELD(kind);
+ WRITE_NODE_FIELD(name);
+ WRITE_NODE_FIELD(values);
+ WRITE_NODE_FIELD(options);
+ WRITE_STRING_FIELD(tablespacename);
+ }
+
+ static void
+ _outPartitionBy(StringInfo str, PartitionBy *node)
+ {
+ WRITE_NODE_TYPE("PARTITIONBY");
+
+ WRITE_CHAR_FIELD(kind);
+ WRITE_NODE_FIELD(key);
+ WRITE_NODE_FIELD(opclass);
+ WRITE_NODE_FIELD(defs);
+ }
+
/*
* _outNode -
*************** _outNode(StringInfo str, void *obj)
*** 2892,2897 ****
--- 2916,2927 ----
case T_XmlSerialize:
_outXmlSerialize(str, obj);
break;
+ case T_PartitionDef:
+ _outPartition(str, obj);
+ break;
+ case T_PartitionBy:
+ _outPartitionBy(str, obj);
+ break;
default:
diff -cprN head/src/backend/parser/gram.y work/src/backend/parser/gram.y
*** head/src/backend/parser/gram.y 2010-01-06 14:42:58.290140000 +0900
--- work/src/backend/parser/gram.y 2010-01-14 15:13:50.204110961 +0900
*************** static TypeName *TableFuncTypeName(List
*** 178,183 ****
--- 178,185 ----
AccessPriv *accesspriv;
InsertStmt *istmt;
VariableSetStmt *vsetstmt;
+ PartitionDef *partition;
+ PartitionBy *partitionby;
}
%type <node> stmt schema_stmt
*************** static TypeName *TableFuncTypeName(List
*** 193,199 ****
CreateOpFamilyStmt AlterOpFamilyStmt CreatePLangStmt
CreateSchemaStmt CreateSeqStmt CreateStmt CreateTableSpaceStmt
CreateFdwStmt CreateForeignServerStmt CreateAssertStmt CreateTrigStmt
! CreateUserStmt CreateUserMappingStmt CreateRoleStmt
CreatedbStmt DeclareCursorStmt DefineStmt DeleteStmt DiscardStmt DoStmt
DropGroupStmt DropOpClassStmt DropOpFamilyStmt DropPLangStmt DropStmt
DropAssertStmt DropTrigStmt DropRuleStmt DropCastStmt DropRoleStmt
--- 195,201 ----
CreateOpFamilyStmt AlterOpFamilyStmt CreatePLangStmt
CreateSchemaStmt CreateSeqStmt CreateStmt CreateTableSpaceStmt
CreateFdwStmt CreateForeignServerStmt CreateAssertStmt CreateTrigStmt
! CreateUserStmt CreateUserMappingStmt CreateRoleStmt CreatePartitionStmt
CreatedbStmt DeclareCursorStmt DefineStmt DeleteStmt DiscardStmt DoStmt
DropGroupStmt DropOpClassStmt DropOpFamilyStmt DropPLangStmt DropStmt
DropAssertStmt DropTrigStmt DropRuleStmt DropCastStmt DropRoleStmt
*************** static TypeName *TableFuncTypeName(List
*** 436,441 ****
--- 438,447 ----
%type <str> opt_existing_window_name
%type <ival> opt_frame_clause frame_extent frame_bound
+ %type <partition> RangePartition ListPartition AnyPartition
+ %type <partitionby> PartitionBy OptPartition
+ %type <list> OptRangePartitions RangePartitions RangeUpper
+ OptListPartitions ListPartitions ListValues ConstValues
/*
* Non-keyword token types. These are hard-wired into the "flex" lexer.
*************** static TypeName *TableFuncTypeName(List
*** 460,466 ****
/* ordinary key words in alphabetical order */
%token <keyword> ABORT_P ABSOLUTE_P ACCESS ACTION ADD_P ADMIN AFTER
AGGREGATE ALL ALSO ALTER ALWAYS ANALYSE ANALYZE AND ANY ARRAY AS ASC
! ASSERTION ASSIGNMENT ASYMMETRIC AT AUTHORIZATION
BACKWARD BEFORE BEGIN_P BETWEEN BIGINT BINARY BIT
BOOLEAN_P BOTH BY
--- 466,472 ----
/* ordinary key words in alphabetical order */
%token <keyword> ABORT_P ABSOLUTE_P ACCESS ACTION ADD_P ADMIN AFTER
AGGREGATE ALL ALSO ALTER ALWAYS ANALYSE ANALYZE AND ANY ARRAY AS ASC
! ASSERTION ASSIGNMENT ASYMMETRIC AT ATTACH AUTHORIZATION
BACKWARD BEFORE BEGIN_P BETWEEN BIGINT BINARY BIT
BOOLEAN_P BOTH BY
*************** static TypeName *TableFuncTypeName(List
*** 475,481 ****
CURRENT_TIME CURRENT_TIMESTAMP CURRENT_USER CURSOR CYCLE
DATA_P DATABASE DAY_P DEALLOCATE DEC DECIMAL_P DECLARE DEFAULT DEFAULTS
! DEFERRABLE DEFERRED DEFINER DELETE_P DELIMITER DELIMITERS DESC
DICTIONARY DISABLE_P DISCARD DISTINCT DO DOCUMENT_P DOMAIN_P DOUBLE_P DROP
EACH ELSE ENABLE_P ENCODING ENCRYPTED END_P ENUM_P ESCAPE EXCEPT
--- 481,487 ----
CURRENT_TIME CURRENT_TIMESTAMP CURRENT_USER CURSOR CYCLE
DATA_P DATABASE DAY_P DEALLOCATE DEC DECIMAL_P DECLARE DEFAULT DEFAULTS
! DEFERRABLE DEFERRED DEFINER DELETE_P DELIMITER DELIMITERS DESC DETACH
DICTIONARY DISABLE_P DISCARD DISTINCT DO DOCUMENT_P DOMAIN_P DOUBLE_P DROP
EACH ELSE ENABLE_P ENCODING ENCRYPTED END_P ENUM_P ESCAPE EXCEPT
*************** static TypeName *TableFuncTypeName(List
*** 498,504 ****
KEY
LANGUAGE LARGE_P LAST_P LC_COLLATE_P LC_CTYPE_P LEADING
! LEAST LEFT LEVEL LIKE LIMIT LISTEN LOAD LOCAL LOCALTIME LOCALTIMESTAMP
LOCATION LOCK_P LOGIN_P
MAPPING MATCH MAXVALUE MINUTE_P MINVALUE MODE MONTH_P MOVE
--- 504,510 ----
KEY
LANGUAGE LARGE_P LAST_P LC_COLLATE_P LC_CTYPE_P LEADING
! LEAST LEFT LESS LEVEL LIKE LIMIT LIST LISTEN LOAD LOCAL LOCALTIME LOCALTIMESTAMP
LOCATION LOCK_P LOGIN_P
MAPPING MATCH MAXVALUE MINUTE_P MINVALUE MODE MONTH_P MOVE
*************** static TypeName *TableFuncTypeName(List
*** 526,532 ****
STATISTICS STDIN STDOUT STORAGE STRICT_P STRIP_P SUBSTRING SUPERUSER_P
SYMMETRIC SYSID SYSTEM_P
! TABLE TABLES TABLESPACE TEMP TEMPLATE TEMPORARY TEXT_P THEN TIME TIMESTAMP
TO TRAILING TRANSACTION TREAT TRIGGER TRIM TRUE_P
TRUNCATE TRUSTED TYPE_P
--- 532,538 ----
STATISTICS STDIN STDOUT STORAGE STRICT_P STRIP_P SUBSTRING SUPERUSER_P
SYMMETRIC SYSID SYSTEM_P
! TABLE TABLES TABLESPACE TEMP TEMPLATE TEMPORARY TEXT_P THAN THEN TIME TIMESTAMP
TO TRAILING TRANSACTION TREAT TRIGGER TRIM TRUE_P
TRUNCATE TRUSTED TYPE_P
*************** stmt :
*** 680,685 ****
--- 686,692 ----
| CreateRoleStmt
| CreateUserStmt
| CreateUserMappingStmt
+ | CreatePartitionStmt
| CreatedbStmt
| DeallocateStmt
| DeclareCursorStmt
*************** schema_stmt:
*** 1138,1143 ****
--- 1145,1151 ----
| CreateTrigStmt
| GrantStmt
| ViewStmt
+ | CreatePartitionStmt
;
*************** alter_table_cmd:
*** 1894,1899 ****
--- 1902,1939 ----
n->def = (Node *)$2;
$$ = (Node *)n;
}
+ /* ALTER TABLE <name> PARTITION BY ... */
+ | PartitionBy
+ {
+ AlterTableCmd *n = makeNode(AlterTableCmd);
+ n->subtype = AT_PartitionBy;
+ n->def = (Node *)$1;
+ $$ = (Node *)n;
+ }
+ /* ALTER TABLE <name> NO PARTITION */
+ | NO PARTITION
+ {
+ AlterTableCmd *n = makeNode(AlterTableCmd);
+ n->subtype = AT_PartitionBy;
+ n->def = NULL;
+ $$ = (Node *)n;
+ }
+ /* ALTER TABLE <name> ATTACH PARTITION <child> */
+ | ATTACH AnyPartition
+ {
+ AlterTableCmd *n = makeNode(AlterTableCmd);
+ n->subtype = AT_AttachPartition;
+ n->def = (Node *) $2;
+ $$ = (Node *)n;
+ }
+ /* ALTER TABLE <name> DETACH PARTITION <child> */
+ | DETACH PARTITION qualified_name
+ {
+ AlterTableCmd *n = makeNode(AlterTableCmd);
+ n->subtype = AT_DetachPartition;
+ n->def = (Node *) $3;
+ $$ = (Node *)n;
+ }
;
alter_column_default:
*************** copy_generic_opt_arg_list_item:
*** 2181,2187 ****
*****************************************************************************/
CreateStmt: CREATE OptTemp TABLE qualified_name '(' OptTableElementList ')'
! OptInherit OptWith OnCommitOption OptTableSpace
{
CreateStmt *n = makeNode(CreateStmt);
$4->istemp = $2;
--- 2221,2227 ----
*****************************************************************************/
CreateStmt: CREATE OptTemp TABLE qualified_name '(' OptTableElementList ')'
! OptInherit OptWith OnCommitOption OptTableSpace OptPartition
{
CreateStmt *n = makeNode(CreateStmt);
$4->istemp = $2;
*************** CreateStmt: CREATE OptTemp TABLE qualifi
*** 2192,2201 ****
n->options = $9;
n->oncommit = $10;
n->tablespacename = $11;
$$ = (Node *)n;
}
| CREATE OptTemp TABLE qualified_name OF qualified_name
! '(' OptTableElementList ')' OptWith OnCommitOption OptTableSpace
{
/* SQL99 CREATE TABLE OF <UDT> (cols) seems to be satisfied
* by our inheritance capabilities. Let's try it...
--- 2232,2242 ----
n->options = $9;
n->oncommit = $10;
n->tablespacename = $11;
+ n->partitions = $12;
$$ = (Node *)n;
}
| CREATE OptTemp TABLE qualified_name OF qualified_name
! '(' OptTableElementList ')' OptWith OnCommitOption OptTableSpace OptPartition
{
/* SQL99 CREATE TABLE OF <UDT> (cols) seems to be satisfied
* by our inheritance capabilities. Let's try it...
*************** CreateStmt: CREATE OptTemp TABLE qualifi
*** 2209,2218 ****
--- 2250,2375 ----
n->options = $10;
n->oncommit = $11;
n->tablespacename = $12;
+ n->partitions = $13;
$$ = (Node *)n;
}
;
+ OptPartition:
+ PartitionBy { $$ = $1; }
+ | /*EMPTY*/ { $$ = NULL; }
+ ;
+
+ PartitionBy:
+ PARTITION BY RANGE '(' a_expr ')' opt_class OptRangePartitions
+ {
+ PartitionBy *n = makeNode(PartitionBy);
+
+ n->kind = PARTITION_BY_RANGE;
+ n->key = $5;
+ n->opclass = $7;
+ n->defs = $8;
+ $$ = n;
+ }
+ | PARTITION BY LIST '(' a_expr ')' opt_class OptListPartitions
+ {
+ PartitionBy *n = makeNode(PartitionBy);
+ n->kind = PARTITION_BY_LIST;
+ n->key = $5;
+ n->opclass = $7;
+ n->defs = $8;
+ $$ = n;
+ }
+ ;
+
+ OptRangePartitions:
+ '(' RangePartitions ')' { $$ = $2; }
+ | /*EMPTY*/ { $$ = NIL; }
+ ;
+
+ RangePartitions:
+ RangePartition { $$ = list_make1($1); }
+ | RangePartitions ',' RangePartition { $$ = lappend($1, $3); }
+ ;
+
+ RangePartition:
+ PARTITION qualified_name VALUES LESS THAN RangeUpper OptWith OptTableSpace
+ {
+ PartitionDef *n = makeNode(PartitionDef);
+ n->kind = PARTITION_BY_RANGE;
+ n->name = $2;
+ n->values = $6;
+ n->options = $7;
+ n->tablespacename = $8;
+ $$ = n;
+ }
+ ;
+
+ RangeUpper:
+ AexprConst { $$ = list_make1($1); }
+ | '(' AexprConst ')' { $$ = list_make1($2); }
+ | MAXVALUE { $$ = NIL; }
+ | '(' MAXVALUE ')' { $$ = NIL; }
+ ;
+
+ OptListPartitions:
+ '(' ListPartitions ')' { $$ = $2; }
+ | /*EMPTY*/ { $$ = NIL; }
+ ;
+
+ ListPartitions:
+ ListPartition { $$ = list_make1($1); }
+ | ListPartitions ',' ListPartition { $$ = lappend($1, $3); }
+ ;
+
+ ListPartition:
+ PARTITION qualified_name VALUES opt_in ListValues OptWith OptTableSpace
+ {
+ PartitionDef *n = makeNode(PartitionDef);
+ n->kind = PARTITION_BY_LIST;
+ n->name = $2;
+ n->values = $5;
+ n->options = $6;
+ n->tablespacename = $7;
+ $$ = n;
+ }
+ ;
+
+ opt_in: IN_P {}
+ | /*EMPTY*/ {}
+ ;
+
+ ListValues:
+ DEFAULT { $$ = NIL; }
+ | '(' DEFAULT ')' { $$ = NIL; }
+ | '(' ConstValues ')' { $$ = $2; }
+ ;
+
+ ConstValues:
+ AexprConst { $$ = list_make1($1); }
+ | ConstValues ',' AexprConst { $$ = lappend($1, $3); }
+ ;
+
+ /* for ALTER TABLE ATTACH PARTITION. No WITH and TABLESPACE supported. */
+ AnyPartition:
+ PARTITION qualified_name VALUES LESS THAN RangeUpper
+ {
+ PartitionDef *n = makeNode(PartitionDef);
+ n->kind = PARTITION_BY_RANGE;
+ n->name = $2;
+ n->values = $6;
+ $$ = n;
+ }
+ | PARTITION qualified_name VALUES opt_in ListValues
+ {
+ PartitionDef *n = makeNode(PartitionDef);
+ n->kind = PARTITION_BY_LIST;
+ n->name = $2;
+ n->values = $5;
+ $$ = n;
+ }
+ ;
+
/*
* Redundancy here is needed to avoid shift/reduce conflicts,
* since TEMP is not a reserved word. See also OptTempTableName.
*************** opt_with_data:
*** 2732,2737 ****
--- 2889,2930 ----
/*****************************************************************************
*
* QUERY :
+ * CREATE PARTITION name
+ *
+ *****************************************************************************/
+
+ CreatePartitionStmt:
+ CREATE PARTITION qualified_name ON qualified_name
+ VALUES LESS THAN RangeUpper OptWith OptTableSpace
+ {
+ CreatePartitionStmt *n = makeNode(CreatePartitionStmt);
+ n->parent = $5;
+ n->def = makeNode(PartitionDef);
+ n->def->kind = PARTITION_BY_RANGE;
+ n->def->name = $3;
+ n->def->values = $9;
+ n->def->options = $10;
+ n->def->tablespacename = $11;
+ $$ = (Node *)n;
+ }
+ | CREATE PARTITION qualified_name ON qualified_name
+ VALUES opt_in ListValues OptWith OptTableSpace
+ {
+ CreatePartitionStmt *n = makeNode(CreatePartitionStmt);
+ n->parent = $5;
+ n->def = makeNode(PartitionDef);
+ n->def->kind = PARTITION_BY_LIST;
+ n->def->name = $3;
+ n->def->values = $8;
+ n->def->options = $9;
+ n->def->tablespacename = $10;
+ $$ = (Node *)n;
+ }
+ ;
+
+ /*****************************************************************************
+ *
+ * QUERY :
* CREATE SEQUENCE seqname
* ALTER SEQUENCE seqname
*
*************** DropStmt: DROP drop_type IF_P EXISTS any
*** 3989,3994 ****
--- 4182,4188 ----
drop_type: TABLE { $$ = OBJECT_TABLE; }
+ | PARTITION { $$ = OBJECT_TABLE; }
| SEQUENCE { $$ = OBJECT_SEQUENCE; }
| VIEW { $$ = OBJECT_VIEW; }
| INDEX { $$ = OBJECT_INDEX; }
*************** unreserved_keyword:
*** 10693,10698 ****
--- 10887,10893 ----
| ASSERTION
| ASSIGNMENT
| AT
+ | ATTACH
| BACKWARD
| BEFORE
| BEGIN_P
*************** unreserved_keyword:
*** 10738,10743 ****
--- 10933,10939 ----
| DELETE_P
| DELIMITER
| DELIMITERS
+ | DETACH
| DICTIONARY
| DISABLE_P
| DISCARD
*************** unreserved_keyword:
*** 10795,10801 ****
--- 10991,10999 ----
| LAST_P
| LC_COLLATE_P
| LC_CTYPE_P
+ | LESS
| LEVEL
+ | LIST
| LISTEN
| LOAD
| LOCAL
*************** unreserved_keyword:
*** 10901,10906 ****
--- 11099,11105 ----
| TEMPLATE
| TEMPORARY
| TEXT_P
+ | THAN
| TRANSACTION
| TRIGGER
| TRUNCATE
diff -cprN head/src/backend/parser/parse_utilcmd.c work/src/backend/parser/parse_utilcmd.c
*** head/src/backend/parser/parse_utilcmd.c 2010-01-04 09:10:26.638773000 +0900
--- work/src/backend/parser/parse_utilcmd.c 2010-01-14 15:12:13.212148207 +0900
*************** static void transformFKConstraints(Parse
*** 116,121 ****
--- 116,122 ----
CreateStmtContext *cxt,
bool skipValidation,
bool isAddConstraint);
+ static void transformPartitionBy(ParseState *pstate, CreateStmtContext *cxt, PartitionBy *defs);
static void transformConstraintAttrs(ParseState *pstate, List *constraintList);
static void transformColumnType(ParseState *pstate, ColumnDef *column);
static void setSchemaName(char *context_schema, char **stmt_schema_name);
*************** transformCreateStmt(CreateStmt *stmt, co
*** 235,240 ****
--- 236,259 ----
transformFKConstraints(pstate, &cxt, true, false);
/*
+ * Postprocess partition related information.
+ */
+ if (stmt->partitions)
+ {
+ AlterTableStmt *alterstmt = makeNode(AlterTableStmt);
+ AlterTableCmd *cmd = makeNode(AlterTableCmd);
+
+ cmd->subtype = AT_PartitionBy;
+ cmd->def = (Node *) stmt->partitions;
+
+ alterstmt->relation = cxt.relation;
+ alterstmt->relkind = OBJECT_TABLE;
+ alterstmt->cmds = list_make1(cmd);
+
+ cxt.alist = lappend(cxt.alist, alterstmt);
+ }
+
+ /*
* Output results.
*/
stmt->tableElts = cxt.columns;
*************** transformFKConstraints(ParseState *pstat
*** 1482,1487 ****
--- 1501,1574 ----
}
}
+ /* CREATE PARTITION */
+ List *
+ transformCreatePartition(PartitionDef *def, RangeVar *parent)
+ {
+ List *result = NIL;
+ CreateStmt *create;
+ InhRelation *like;
+ AlterTableStmt *alter;
+ AlterTableCmd *attach;
+ PartitionDef *partition;
+
+ /* Use the same schema as the parent if not specified. */
+ if (def->name->schemaname == NULL)
+ def->name->schemaname = parent->schemaname;
+ def->name->istemp = parent->istemp;
+
+ /* CREATE TABLE partition (LIKE parent INCLUDING ALL) */
+ like = makeNode(InhRelation);
+ like->relation = parent;
+ like->options = CREATE_TABLE_LIKE_ALL;
+ create = makeNode(CreateStmt);
+ create->relation = def->name;
+ create->tableElts = list_make1(like);
+ create->inhRelations = NIL;
+ create->constraints = NIL;
+ create->options = def->options;
+ create->oncommit = ONCOMMIT_NOOP;
+ create->tablespacename = def->tablespacename;
+ create->partitions = NULL;
+ result = lappend(result, create);
+
+ /* ALTER TABLE partition INHERIT parent (AS PARTITION) */
+ partition = makeNode(PartitionDef);
+ partition->kind = def->kind;;
+ partition->name = def->name;
+ partition->values = def->values;
+ attach = makeNode(AlterTableCmd);
+ attach->subtype = AT_AttachPartition;
+ attach->def = (Node *) partition;
+ alter = makeNode(AlterTableStmt);
+ alter->relation = parent;
+ alter->cmds = list_make1(attach);
+ alter->relkind = OBJECT_TABLE;
+ result = lappend(result, alter);
+
+ return result;
+ }
+
+ /* PARTITION BY / NO PARTITION */
+ static void
+ transformPartitionBy(ParseState *pstate, CreateStmtContext *cxt,
+ PartitionBy *partitions)
+ {
+ ListCell *cell;
+
+ if (partitions == NULL)
+ return;
+
+ /* Expand partition clauses to CREATE TABLE. */
+ foreach (cell, partitions->defs)
+ {
+ PartitionDef *def = (PartitionDef *) lfirst(cell);
+
+ cxt->alist = list_concat(cxt->alist,
+ transformCreatePartition(def, cxt->relation));
+ }
+ }
+
/*
* transformIndexStmt - parse analysis for CREATE INDEX
*
*************** transformAlterTableStmt(AlterTableStmt *
*** 1971,1976 ****
--- 2058,2068 ----
newcmds = lappend(newcmds, cmd);
break;
+ case AT_PartitionBy:
+ newcmds = lappend(newcmds, cmd);
+ transformPartitionBy(pstate, &cxt, (PartitionBy *) cmd->def);
+ break;
+
default:
newcmds = lappend(newcmds, cmd);
break;
diff -cprN head/src/backend/tcop/utility.c work/src/backend/tcop/utility.c
*** head/src/backend/tcop/utility.c 2010-01-06 12:51:20.335548000 +0900
--- work/src/backend/tcop/utility.c 2010-01-14 15:12:13.213124791 +0900
*************** check_xact_readonly(Node *parsetree)
*** 219,224 ****
--- 219,225 ----
case T_AlterUserMappingStmt:
case T_DropUserMappingStmt:
case T_AlterTableSpaceOptionsStmt:
+ case T_CreatePartitionStmt:
ereport(ERROR,
(errcode(ERRCODE_READ_ONLY_SQL_TRANSACTION),
errmsg("transaction is read-only")));
*************** standard_ProcessUtility(Node *parsetree,
*** 565,570 ****
--- 566,575 ----
RemoveUserMapping((DropUserMappingStmt *) parsetree);
break;
+ case T_CreatePartitionStmt:
+ CreatePartition((CreatePartitionStmt *) parsetree, queryString);
+ break;
+
case T_DropStmt:
{
DropStmt *stmt = (DropStmt *) parsetree;
*************** CreateCommandTag(Node *parsetree)
*** 1497,1502 ****
--- 1502,1511 ----
tag = "DROP USER MAPPING";
break;
+ case T_CreatePartitionStmt:
+ tag = "CREATE PARTITION";
+ break;
+
case T_DropStmt:
switch (((DropStmt *) parsetree)->removeType)
{
*************** GetCommandLogLevel(Node *parsetree)
*** 2256,2261 ****
--- 2265,2271 ----
case T_CreateUserMappingStmt:
case T_AlterUserMappingStmt:
case T_DropUserMappingStmt:
+ case T_CreatePartitionStmt:
lev = LOGSTMT_DDL;
break;
diff -cprN head/src/backend/utils/adt/ruleutils.c work/src/backend/utils/adt/ruleutils.c
*** head/src/backend/utils/adt/ruleutils.c 2010-01-04 09:10:26.638773000 +0900
--- work/src/backend/utils/adt/ruleutils.c 2010-01-14 15:12:13.214409672 +0900
***************
*** 26,31 ****
--- 26,32 ----
#include "catalog/pg_constraint.h"
#include "catalog/pg_depend.h"
#include "catalog/pg_language.h"
+ #include "catalog/pg_inherits_fn.h"
#include "catalog/pg_opclass.h"
#include "catalog/pg_operator.h"
#include "catalog/pg_proc.h"
*************** pg_get_function_result(PG_FUNCTION_ARGS)
*** 1873,1878 ****
--- 1874,2014 ----
}
/*
+ * pg_get_partitiondef - Get the definition of a partition
+ */
+ Datum
+ pg_get_partitiondef(PG_FUNCTION_ARGS)
+ {
+ Oid parentOid = PG_GETARG_OID(0);
+ bool alter_fmt = PG_GETARG_OID(1);
+
+ Oid parentNsp = get_rel_namespace(parentOid);
+ char *parentName;
+ char partkind;
+ Node *partkey;
+ Oid partopclass;
+ List *partitions;
+ Oid typid;
+ const char *prefix;
+ const char *suffix;
+ const char *overflow;
+ StringInfoData buf;
+
+ partitions = get_partitions(parentOid, &partkind, &partkey, &partopclass);
+ if (partkind == 0)
+ PG_RETURN_NULL(); /* not partitioned */
+
+ typid = exprType(partkey);
+
+ initStringInfo(&buf);
+
+ /* Append definition of partition key. */
+ if (alter_fmt)
+ {
+ parentName = quote_qualified_identifier(
+ get_namespace_name(parentNsp), get_rel_name(parentOid));
+
+ appendStringInfo(&buf, "ALTER TABLE %s PARTITION BY ", parentName);
+ }
+ else
+ parentName = NULL;
+
+ switch (partkind)
+ {
+ case PARTITION_BY_RANGE:
+ appendStringInfoString(&buf, "RANGE");
+ prefix = "LESS THAN ";
+ suffix = "";
+ overflow = "MAXVALUE";
+ break;
+ case PARTITION_BY_LIST:
+ appendStringInfoString(&buf, "LIST");
+ prefix = "(";
+ suffix = ")";
+ overflow = "DEFAULT";
+ break;
+ default:
+ elog(ERROR, "unknown partition kind: %d", partkind);
+ prefix = suffix = overflow = NULL;
+ break;
+ }
+ appendStringInfoString(&buf, " (");
+ appendStringInfoString(&buf, deparse_expression_pretty(
+ partkey, deparse_context_for(get_rel_name(parentOid), parentOid),
+ false, false, 0, 0));
+ appendStringInfoChar(&buf, ')');
+ get_opclass_name(partopclass, typid, &buf);
+
+ /* Append definitions of partitions. */
+ if (list_length(partitions) > 0)
+ {
+ ListCell *cell;
+ Oid typoutput;
+ bool typIsVarlena;
+ FmgrInfo outfn;
+ bool needcomma = false;
+
+ getTypeOutputInfo(typid, &typoutput, &typIsVarlena);
+ fmgr_info(typoutput, &outfn);
+
+ if (alter_fmt)
+ appendStringInfoString(&buf, ";\n");
+ else
+ appendStringInfoString(&buf, "\n(\n");
+
+ foreach(cell, partitions)
+ {
+ Partition *p = (Partition *) lfirst(cell);
+ Oid childNsp;
+ char *nspname;
+ char *name;
+
+ /* Hide namespace if parent and child are in the same namespace. */
+ if ((childNsp = get_rel_namespace(p->relid)) != parentNsp)
+ nspname = get_namespace_name(childNsp);
+ else
+ nspname = NULL;
+ name = quote_qualified_identifier(nspname, get_rel_name(p->relid));
+
+ if (needcomma)
+ appendStringInfoString(&buf, ",\n");
+
+ if (alter_fmt)
+ appendStringInfo(&buf, "ALTER TABLE %s ATTACH ", parentName);
+ else
+ appendStringInfoString(&buf, " ");
+ appendStringInfo(&buf, "PARTITION %s VALUES ", name);
+
+ appendStringInfoString(&buf, prefix);
+ if (p->nvalues > 0)
+ {
+ int i;
+
+ for (i = 0; i < p->nvalues; i++)
+ {
+ if (i > 0)
+ appendStringInfo(&buf, ", ");
+ simple_quote_literal(&buf, DatumGetCString(
+ OutputFunctionCall(&outfn, p->values[i])));
+ }
+ }
+ else
+ appendStringInfoString(&buf, overflow);
+ appendStringInfoString(&buf, suffix);
+
+ if (alter_fmt)
+ appendStringInfoString(&buf, ";\n");
+ else
+ needcomma = true;
+ }
+ if (!alter_fmt)
+ appendStringInfoString(&buf, "\n)");
+ }
+
+ PG_RETURN_TEXT_P(string_to_text(buf.data));
+ }
+
+ /*
* Guts of pg_get_function_result: append the function's return type
* to the specified buffer.
*/
diff -cprN head/src/backend/utils/cache/lsyscache.c work/src/backend/utils/cache/lsyscache.c
*** head/src/backend/utils/cache/lsyscache.c 2010-01-05 09:17:58.505600000 +0900
--- work/src/backend/utils/cache/lsyscache.c 2010-01-14 15:12:13.215164172 +0900
***************
*** 32,39 ****
--- 32,41 ----
#include "utils/array.h"
#include "utils/builtins.h"
#include "utils/datum.h"
+ #include "utils/fmgroids.h"
#include "utils/lsyscache.h"
#include "utils/syscache.h"
+ #include "utils/tqual.h"
/* Hook for plugins to get control in get_attavgwidth() */
get_attavgwidth_hook_type get_attavgwidth_hook = NULL;
*************** get_opname(Oid opno)
*** 1058,1063 ****
--- 1060,1088 ----
return NULL;
}
+ List *
+ get_opfullname(Oid opno)
+ {
+ HeapTuple tp;
+
+ tp = SearchSysCache(OPEROID,
+ ObjectIdGetDatum(opno),
+ 0, 0, 0);
+ if (HeapTupleIsValid(tp))
+ {
+ Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
+ List *result;
+
+ result = list_make2(
+ makeString(get_namespace_name(optup->oprnamespace)),
+ makeString(pstrdup(NameStr(optup->oprname))));
+ ReleaseSysCache(tp);
+ return result;
+ }
+ else
+ return NULL;
+ }
+
/*
* op_input_types
*
*************** get_roleid_checked(const char *rolname)
*** 2785,2787 ****
--- 2810,2813 ----
errmsg("role \"%s\" does not exist", rolname)));
return roleid;
}
+
diff -cprN head/src/backend/utils/cache/syscache.c work/src/backend/utils/cache/syscache.c
*** head/src/backend/utils/cache/syscache.c 2010-01-06 09:46:25.748744000 +0900
--- work/src/backend/utils/cache/syscache.c 2010-01-14 15:12:13.215164172 +0900
***************
*** 40,45 ****
--- 40,46 ----
#include "catalog/pg_opclass.h"
#include "catalog/pg_operator.h"
#include "catalog/pg_opfamily.h"
+ #include "catalog/pg_partition.h"
#include "catalog/pg_proc.h"
#include "catalog/pg_rewrite.h"
#include "catalog/pg_statistic.h"
*************** static const struct cachedesc cacheinfo[
*** 777,787 ****
0
},
128
}
};
! static CatCache *SysCache[
! lengthof(cacheinfo)];
static int SysCacheSize = lengthof(cacheinfo);
static bool CacheInitialized = false;
--- 778,799 ----
0
},
128
+ },
+ {PartitionRelationId, /* PARTITIONKEY */
+ PartitionRelidIndexId,
+ Anum_pg_partition_partrelid,
+ 1,
+ {
+ Anum_pg_partition_partrelid,
+ 0,
+ 0,
+ 0
+ },
+ 64
}
};
! static CatCache *SysCache[lengthof(cacheinfo)];
static int SysCacheSize = lengthof(cacheinfo);
static bool CacheInitialized = false;
diff -cprN head/src/bin/pg_dump/common.c work/src/bin/pg_dump/common.c
*** head/src/bin/pg_dump/common.c 2010-01-04 09:10:26.638773000 +0900
--- work/src/bin/pg_dump/common.c 2010-01-14 15:12:13.215164172 +0900
*************** getSchemaData(int *numTablesPtr)
*** 222,227 ****
--- 222,231 ----
write_msg(NULL, "reading triggers\n");
getTriggers(tblinfo, numTables);
+ if (g_verbose)
+ write_msg(NULL, "reading partitions\n");
+ getPartitions(tblinfo, numTables);
+
*numTablesPtr = numTables;
return tblinfo;
}
diff -cprN head/src/bin/pg_dump/pg_dump.c work/src/bin/pg_dump/pg_dump.c
*** head/src/bin/pg_dump/pg_dump.c 2010-01-06 14:42:58.290140000 +0900
--- work/src/bin/pg_dump/pg_dump.c 2010-01-14 15:12:13.217479614 +0900
*************** static void dumpUserMappings(Archive *fo
*** 165,170 ****
--- 165,171 ----
const char *servername, const char *namespace,
const char *owner, CatalogId catalogId, DumpId dumpId);
static void dumpDefaultACL(Archive *fout, DefaultACLInfo *daclinfo);
+ static void dumpPartition(Archive *fout, PartitionInfo *partinfo);
static void dumpACL(Archive *fout, CatalogId objCatId, DumpId objDumpId,
const char *type, const char *name, const char *subname,
*************** getInherits(int *numInherits)
*** 3853,3859 ****
/* find all the inheritance information */
! appendPQExpBuffer(query, "SELECT inhrelid, inhparent FROM pg_inherits");
res = PQexec(g_conn, query->data);
check_sql_result(res, g_conn, query->data, PGRES_TUPLES_OK);
--- 3854,3864 ----
/* find all the inheritance information */
! if (g_fout->remoteVersion >= 80500)
! appendPQExpBuffer(query, "SELECT inhrelid, inhparent FROM pg_inherits "
! "WHERE inhvalues IS NULL");
! else
! appendPQExpBuffer(query, "SELECT inhrelid, inhparent FROM pg_inherits");
res = PQexec(g_conn, query->data);
check_sql_result(res, g_conn, query->data, PGRES_TUPLES_OK);
*************** getDefaultACLs(int *numDefaultACLs)
*** 6063,6068 ****
--- 6068,6141 ----
}
/*
+ * getTriggers
+ * get information about every partition on a dumpable table
+ *
+ * Note: partition data is not returned directly to the caller, but it
+ * does get entered into the DumpableObject tables.
+ */
+ void
+ getPartitions(TableInfo tblinfo[], int numTables)
+ {
+ int i,
+ j;
+ PQExpBuffer query = createPQExpBuffer();
+ PGresult *res;
+ PartitionInfo *partinfo;
+ int i_partrelid,
+ i_partdef;
+ int ntups;
+
+ if (g_fout->remoteVersion < 80500)
+ return;
+
+ appendPQExpBuffer(query,
+ "SELECT "
+ "partrelid, "
+ "pg_get_partitiondef(partrelid, true) AS partdef "
+ "FROM pg_partition");
+ res = PQexec(g_conn, query->data);
+ check_sql_result(res, g_conn, query->data, PGRES_TUPLES_OK);
+
+ i_partrelid = PQfnumber(res, "partrelid");
+ i_partdef = PQfnumber(res, "partdef");
+
+ ntups = PQntuples(res);
+ partinfo = (PartitionInfo *) malloc(ntups * sizeof(PartitionInfo));
+
+ for (j = 0; j < ntups; j++)
+ {
+ Oid relid = atooid(PQgetvalue(res, j, i_partrelid));
+
+ for (i = 0; i < numTables; i++)
+ {
+ TableInfo *tbinfo = &tblinfo[i];
+
+ if (tbinfo->dobj.catId.oid == relid)
+ {
+ if (g_verbose)
+ write_msg(NULL, "reading partition for table \"%s\"\n",
+ tbinfo->dobj.name);
+
+ partinfo[j].dobj.objType = DO_PARTITION;
+ partinfo[j].dobj.catId.tableoid = 0;
+ partinfo[j].dobj.catId.oid = tbinfo->dobj.catId.oid;
+ AssignDumpId(&partinfo[j].dobj);
+ partinfo[j].dobj.name = tbinfo->dobj.name;
+ partinfo[j].dobj.namespace = tbinfo->dobj.namespace;
+ partinfo[j].dobj.dump = tbinfo->dobj.dump;
+ partinfo[j].parttable = tbinfo;
+ partinfo[j].partdef = strdup(PQgetvalue(res, j, i_partdef));
+ break;
+ }
+ }
+ }
+
+ PQclear(res);
+ destroyPQExpBuffer(query);
+ }
+
+ /*
* dumpComment --
*
* This routine is used to dump any comments associated with the
*************** dumpDumpableObject(Archive *fout, Dumpab
*** 6494,6499 ****
--- 6567,6575 ----
dobj->dependencies, dobj->nDeps,
dumpBlobComments, NULL);
break;
+ case DO_PARTITION:
+ dumpPartition(fout, (PartitionInfo *) dobj);
+ break;
}
}
*************** dumpRule(Archive *fout, RuleInfo *rinfo)
*** 11931,11936 ****
--- 12007,12047 ----
}
/*
+ * dumpPartition
+ * Dump a partition
+ */
+ static void
+ dumpPartition(Archive *fout, PartitionInfo *partinfo)
+ {
+ TableInfo *tbinfo = partinfo->parttable;
+ PQExpBuffer cmd;
+
+ /* Skip if not to be dumped */
+ if (!partinfo->dobj.dump || dataOnly)
+ return;
+
+ cmd = createPQExpBuffer();
+
+ appendPQExpBufferStr(cmd, partinfo->partdef);
+
+ /*
+ * DROP must be fully qualified in case same name appears in pg_catalog
+ */
+ ArchiveEntry(fout, partinfo->dobj.catId, partinfo->dobj.dumpId,
+ partinfo->dobj.name,
+ tbinfo->dobj.namespace->dobj.name,
+ NULL,
+ tbinfo->rolname, false,
+ "PARTITION", SECTION_POST_DATA,
+ cmd->data, "", NULL,
+ partinfo->dobj.dependencies, partinfo->dobj.nDeps,
+ NULL, NULL);
+
+ destroyPQExpBuffer(cmd);
+ }
+
+
+ /*
* getDependencies --- obtain available dependency data
*/
static void
diff -cprN head/src/bin/pg_dump/pg_dump.h work/src/bin/pg_dump/pg_dump.h
*** head/src/bin/pg_dump/pg_dump.h 2010-01-04 09:10:26.638773000 +0900
--- work/src/bin/pg_dump/pg_dump.h 2010-01-14 15:12:13.218158396 +0900
*************** typedef enum
*** 116,122 ****
DO_FOREIGN_SERVER,
DO_DEFAULT_ACL,
DO_BLOBS,
! DO_BLOB_COMMENTS
} DumpableObjectType;
typedef struct _dumpableObject
--- 116,123 ----
DO_FOREIGN_SERVER,
DO_DEFAULT_ACL,
DO_BLOBS,
! DO_BLOB_COMMENTS,
! DO_PARTITION
} DumpableObjectType;
typedef struct _dumpableObject
*************** typedef struct _defaultACLInfo
*** 442,447 ****
--- 443,455 ----
char *defaclacl;
} DefaultACLInfo;
+ typedef struct _partitionInfo
+ {
+ DumpableObject dobj;
+ TableInfo *parttable; /* link to table the partition is for */
+ char *partdef;
+ } PartitionInfo;
+
/* global decls */
extern bool force_quotes; /* double-quotes for identifiers flag */
extern bool g_verbose; /* verbose flag */
*************** extern TSConfigInfo *getTSConfigurations
*** 527,531 ****
--- 535,540 ----
extern FdwInfo *getForeignDataWrappers(int *numForeignDataWrappers);
extern ForeignServerInfo *getForeignServers(int *numForeignServers);
extern DefaultACLInfo *getDefaultACLs(int *numDefaultACLs);
+ extern void getPartitions(TableInfo tblinfo[], int numTables);
#endif /* PG_DUMP_H */
diff -cprN head/src/bin/pg_dump/pg_dump_sort.c work/src/bin/pg_dump/pg_dump_sort.c
*** head/src/bin/pg_dump/pg_dump_sort.c 2010-01-04 09:10:26.638773000 +0900
--- work/src/bin/pg_dump/pg_dump_sort.c 2010-01-14 15:12:13.218158396 +0900
*************** static const int oldObjectTypePriority[]
*** 56,62 ****
4, /* DO_FOREIGN_SERVER */
17, /* DO_DEFAULT_ACL */
10, /* DO_BLOBS */
! 11 /* DO_BLOB_COMMENTS */
};
/*
--- 56,63 ----
4, /* DO_FOREIGN_SERVER */
17, /* DO_DEFAULT_ACL */
10, /* DO_BLOBS */
! 11, /* DO_BLOB_COMMENTS */
! 18 /* DO_PARTITION */
};
/*
*************** static const int newObjectTypePriority[]
*** 76,89 ****
9, /* DO_CONVERSION */
16, /* DO_TABLE */
18, /* DO_ATTRDEF */
! 23, /* DO_INDEX */
! 24, /* DO_RULE */
! 25, /* DO_TRIGGER */
! 22, /* DO_CONSTRAINT */
! 26, /* DO_FK_CONSTRAINT */
2, /* DO_PROCLANG */
8, /* DO_CAST */
! 19, /* DO_TABLE_DATA */
17, /* DO_DUMMY_TYPE */
10, /* DO_TSPARSER */
12, /* DO_TSDICT */
--- 77,90 ----
9, /* DO_CONVERSION */
16, /* DO_TABLE */
18, /* DO_ATTRDEF */
! 24, /* DO_INDEX */
! 25, /* DO_RULE */
! 26, /* DO_TRIGGER */
! 23, /* DO_CONSTRAINT */
! 27, /* DO_FK_CONSTRAINT */
2, /* DO_PROCLANG */
8, /* DO_CAST */
! 20, /* DO_TABLE_DATA */
17, /* DO_DUMMY_TYPE */
10, /* DO_TSPARSER */
12, /* DO_TSDICT */
*************** static const int newObjectTypePriority[]
*** 91,99 ****
13, /* DO_TSCONFIG */
14, /* DO_FDW */
15, /* DO_FOREIGN_SERVER */
! 27, /* DO_DEFAULT_ACL */
! 20, /* DO_BLOBS */
! 21 /* DO_BLOB_COMMENTS */
};
--- 92,101 ----
13, /* DO_TSCONFIG */
14, /* DO_FDW */
15, /* DO_FOREIGN_SERVER */
! 28, /* DO_DEFAULT_ACL */
! 21, /* DO_BLOBS */
! 22, /* DO_BLOB_COMMENTS */
! 19 /* DO_PARTITION */
};
*************** describeDumpableObject(DumpableObject *o
*** 1156,1161 ****
--- 1158,1168 ----
"BLOB COMMENTS (ID %d)",
obj->dumpId);
return;
+ case DO_PARTITION:
+ snprintf(buf, bufsize,
+ "PARTITION %s (ID %d OID %u)",
+ obj->name, obj->dumpId, obj->catId.oid);
+ return;
}
/* shouldn't get here */
snprintf(buf, bufsize,
diff -cprN head/src/bin/psql/describe.c work/src/bin/psql/describe.c
*** head/src/bin/psql/describe.c 2010-01-04 09:10:26.638773000 +0900
--- work/src/bin/psql/describe.c 2010-01-14 15:12:13.219142582 +0900
*************** describeOneTableDetails(const char *sche
*** 1985,1992 ****
}
PQclear(result);
/* print child tables */
! if (pset.sversion >= 80300)
printfPQExpBuffer(&buf, "SELECT c.oid::pg_catalog.regclass FROM pg_catalog.pg_class c, pg_catalog.pg_inherits i WHERE c.oid=i.inhrelid AND i.inhparent = '%s' ORDER BY c.oid::pg_catalog.regclass::pg_catalog.text;", oid);
else
printfPQExpBuffer(&buf, "SELECT c.oid::pg_catalog.regclass FROM pg_catalog.pg_class c, pg_catalog.pg_inherits i WHERE c.oid=i.inhrelid AND i.inhparent = '%s' ORDER BY c.relname;", oid);
--- 1985,2008 ----
}
PQclear(result);
+ /* print partitions */
+ if (pset.sversion >= 80500)
+ {
+ printfPQExpBuffer(&buf, "SELECT pg_catalog.pg_get_partitiondef('%s', false);", oid);
+ result = PSQLexec(buf.data, false);
+ if (!result)
+ goto error_return;
+ if (PQntuples(result) > 0 && !PQgetisnull(result, 0, 0))
+ {
+ printfPQExpBuffer(&buf, _("Partitions: %s"), PQgetvalue(result, 0, 0));
+ printTableAddFooter(&cont, buf.data);
+ }
+ }
+
/* print child tables */
! if (pset.sversion >= 80500)
! printfPQExpBuffer(&buf, "SELECT c.oid::pg_catalog.regclass FROM pg_catalog.pg_class c, pg_catalog.pg_inherits i WHERE c.oid=i.inhrelid AND i.inhparent = '%s' AND i.inhvalues IS NULL ORDER BY c.oid::pg_catalog.regclass::pg_catalog.text;", oid);
! else if (pset.sversion >= 80300)
printfPQExpBuffer(&buf, "SELECT c.oid::pg_catalog.regclass FROM pg_catalog.pg_class c, pg_catalog.pg_inherits i WHERE c.oid=i.inhrelid AND i.inhparent = '%s' ORDER BY c.oid::pg_catalog.regclass::pg_catalog.text;", oid);
else
printfPQExpBuffer(&buf, "SELECT c.oid::pg_catalog.regclass FROM pg_catalog.pg_class c, pg_catalog.pg_inherits i WHERE c.oid=i.inhrelid AND i.inhparent = '%s' ORDER BY c.relname;", oid);
diff -cprN head/src/include/catalog/dependency.h work/src/include/catalog/dependency.h
*** head/src/include/catalog/dependency.h 2010-01-04 09:10:26.638773000 +0900
--- work/src/include/catalog/dependency.h 2010-01-14 15:12:13.220153520 +0900
*************** typedef enum ObjectClass
*** 148,153 ****
--- 148,154 ----
OCLASS_FOREIGN_SERVER, /* pg_foreign_server */
OCLASS_USER_MAPPING, /* pg_user_mapping */
OCLASS_DEFACL, /* pg_default_acl */
+ OCLASS_PARTITION, /* pg_partition */
MAX_OCLASS /* MUST BE LAST */
} ObjectClass;
diff -cprN head/src/include/catalog/heap.h work/src/include/catalog/heap.h
*** head/src/include/catalog/heap.h 2010-01-04 09:10:26.638773000 +0900
--- work/src/include/catalog/heap.h 2010-01-14 15:12:13.220153520 +0900
*************** extern Node *cookDefault(ParseState *pst
*** 93,98 ****
--- 93,101 ----
Oid atttypid,
int32 atttypmod,
char *attname);
+ extern Node *cookConstraint(ParseState *pstate,
+ Node *raw_constraint,
+ char *relname);
extern void DeleteRelationTuple(Oid relid);
extern void DeleteAttributeTuples(Oid relid);
*************** extern void RemoveAttrDefault(Oid relid,
*** 101,106 ****
--- 104,110 ----
DropBehavior behavior, bool complain);
extern void RemoveAttrDefaultById(Oid attrdefId);
extern void RemoveStatistics(Oid relid, AttrNumber attnum);
+ extern void RemovePartition(Oid relid);
extern Form_pg_attribute SystemAttributeDefinition(AttrNumber attno,
bool relhasoids);
diff -cprN head/src/include/catalog/indexing.h work/src/include/catalog/indexing.h
*** head/src/include/catalog/indexing.h 2010-01-05 10:25:20.891034000 +0900
--- work/src/include/catalog/indexing.h 2010-01-14 15:12:13.221141962 +0900
*************** DECLARE_UNIQUE_INDEX(pg_default_acl_oid_
*** 281,286 ****
--- 281,289 ----
DECLARE_UNIQUE_INDEX(pg_db_role_setting_databaseid_rol_index, 2965, on pg_db_role_setting using btree(setdatabase oid_ops, setrole oid_ops));
#define DbRoleSettingDatidRolidIndexId 2965
+ DECLARE_UNIQUE_INDEX(pg_partition_relid_index, 2998, on pg_partition using btree(partrelid oid_ops));
+ #define PartitionRelidIndexId 2998
+
/* last step of initialization script: build the indexes declared above */
BUILD_INDICES
diff -cprN head/src/include/catalog/pg_inherits.h work/src/include/catalog/pg_inherits.h
*** head/src/include/catalog/pg_inherits.h 2010-01-05 10:25:20.891034000 +0900
--- work/src/include/catalog/pg_inherits.h 2010-01-14 15:12:13.221141962 +0900
***************
*** 21,26 ****
--- 21,29 ----
#include "catalog/genbki.h"
+ /* See comments in pg_statistic.h. */
+ #define anyarray int
+
/* ----------------
* pg_inherits definition. cpp turns this into
* typedef struct FormData_pg_inherits
*************** CATALOG(pg_inherits,2611) BKI_WITHOUT_OI
*** 33,38 ****
--- 36,42 ----
Oid inhrelid;
Oid inhparent;
int4 inhseqno;
+ anyarray inhvalues; /* values for partition */
} FormData_pg_inherits;
/* ----------------
*************** typedef FormData_pg_inherits *Form_pg_in
*** 46,55 ****
* compiler constants for pg_inherits
* ----------------
*/
! #define Natts_pg_inherits 3
#define Anum_pg_inherits_inhrelid 1
#define Anum_pg_inherits_inhparent 2
#define Anum_pg_inherits_inhseqno 3
/* ----------------
* pg_inherits has no initial contents
--- 50,60 ----
* compiler constants for pg_inherits
* ----------------
*/
! #define Natts_pg_inherits 4
#define Anum_pg_inherits_inhrelid 1
#define Anum_pg_inherits_inhparent 2
#define Anum_pg_inherits_inhseqno 3
+ #define Anum_pg_inherits_inhvalues 4
/* ----------------
* pg_inherits has no initial contents
diff -cprN head/src/include/catalog/pg_inherits_fn.h work/src/include/catalog/pg_inherits_fn.h
*** head/src/include/catalog/pg_inherits_fn.h 2010-01-04 09:10:26.638773000 +0900
--- work/src/include/catalog/pg_inherits_fn.h 2010-01-14 15:12:13.221141962 +0900
***************
*** 17,24 ****
--- 17,36 ----
#include "nodes/pg_list.h"
#include "storage/lock.h"
+ /*
+ * Partition - store partition values.
+ */
+ typedef struct Partition
+ {
+ Oid relid;
+ int nvalues;
+ Datum *values;
+ } Partition;
+
extern List *find_inheritance_children(Oid parentrelId, LOCKMODE lockmode);
extern List *find_all_inheritors(Oid parentrelId, LOCKMODE lockmode);
+ extern List *get_partitions(Oid parentrelId,
+ char *kind, Node **key, Oid *opclass);
extern bool has_subclass(Oid relationId);
extern bool typeInheritsFrom(Oid subclassTypeId, Oid superclassTypeId);
diff -cprN head/src/include/catalog/pg_partition.h work/src/include/catalog/pg_partition.h
*** head/src/include/catalog/pg_partition.h 1970-01-01 09:00:00.000000000 +0900
--- work/src/include/catalog/pg_partition.h 2010-01-14 15:12:13.222411292 +0900
***************
*** 0 ****
--- 1,55 ----
+ /*-------------------------------------------------------------------------
+ *
+ * pg_partition.h
+ * definition of the system "partition" relation (pg_partition)
+ * along with the relation's initial contents.
+ *
+ *
+ * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
+ *
+ * $PostgreSQL: pgsql/src/include/catalog/pg_partition.h $
+ *
+ * NOTES
+ * the genbki.sh script reads this file and generates .bki
+ * information from the DATA() statements.
+ *
+ *-------------------------------------------------------------------------
+ */
+ #ifndef PG_PARTITION_H
+ #define PG_PARTITION_H
+
+ #include "catalog/genbki.h"
+
+ /* ----------------
+ * pg_partition definition. cpp turns this into
+ * typedef struct FormData_pg_partitions
+ * ----------------
+ */
+ #define PartitionRelationId 2997
+
+ CATALOG(pg_partition,2997) BKI_WITHOUT_OIDS
+ {
+ Oid partrelid; /* partitioned table oid */
+ Oid partopclass; /* operator class to compare keys */
+ char partkind; /* kind of partition: RANGE or LIST */
+ text partkey; /* partition key expression */
+ } FormData_pg_partition;
+
+ /* ----------------
+ * Form_pg_partitions corresponds to a pointer to a tuple with
+ * the format of pg_partitions relation.
+ * ----------------
+ */
+ typedef FormData_pg_partition *Form_pg_partition;
+
+ /* ----------------
+ * compiler constants for pg_partitions
+ * ----------------
+ */
+ #define Natts_pg_partition 4
+ #define Anum_pg_partition_partrelid 1
+ #define Anum_pg_partition_partopclass 2
+ #define Anum_pg_partition_partkind 3
+ #define Anum_pg_partition_partkey 4
+
+ #endif /* PG_PARTITIONS_H */
diff -cprN head/src/include/catalog/pg_proc.h work/src/include/catalog/pg_proc.h
*** head/src/include/catalog/pg_proc.h 2010-01-08 09:22:26.272759000 +0900
--- work/src/include/catalog/pg_proc.h 2010-01-14 15:12:13.223156072 +0900
*************** DATA(insert OID = 2232 ( pg_get_functio
*** 2313,2318 ****
--- 2313,2320 ----
DESCR("identity argument list of a function");
DATA(insert OID = 2165 ( pg_get_function_result PGNSP PGUID 12 1 0 0 f f f t f s 1 0 25 "26" _null_ _null_ _null_ _null_ pg_get_function_result _null_ _null_ _null_ ));
DESCR("result type of a function");
+ DATA(insert OID = 2179 ( pg_get_partitiondef PGNSP PGUID 12 1 0 0 f f f t f s 2 0 25 "26 16" _null_ _null_ _null_ _null_ pg_get_partitiondef _null_ _null_ _null_ ));
+ DESCR("definition of a partition");
DATA(insert OID = 1686 ( pg_get_keywords PGNSP PGUID 12 10 400 0 f f f t t s 0 0 2249 "" "{25,18,25}" "{o,o,o}" "{word,catcode,catdesc}" _null_ pg_get_keywords _null_ _null_ _null_ ));
DESCR("list of SQL keywords");
diff -cprN head/src/include/commands/defrem.h work/src/include/commands/defrem.h
*** head/src/include/commands/defrem.h 2010-01-04 09:10:26.638773000 +0900
--- work/src/include/commands/defrem.h 2010-01-14 15:12:13.224121500 +0900
*************** extern char *ChooseIndexName(const char
*** 50,55 ****
--- 50,57 ----
bool primary, bool isconstraint);
extern List *ChooseIndexColumnNames(List *indexElems);
extern Oid GetDefaultOpClass(Oid type_id, Oid am_id);
+ extern Oid GetIndexOpClass(List *opclass, Oid attrType,
+ const char *accessMethodName, Oid accessMethodId);
/* commands/functioncmds.c */
extern void CreateFunction(CreateFunctionStmt *stmt, const char *queryString);
diff -cprN head/src/include/commands/tablecmds.h work/src/include/commands/tablecmds.h
*** head/src/include/commands/tablecmds.h 2010-01-04 09:10:26.638773000 +0900
--- work/src/include/commands/tablecmds.h 2010-01-14 15:12:13.224121500 +0900
*************** extern void RenameRelationInternal(Oid m
*** 53,58 ****
--- 53,60 ----
const char *newrelname,
Oid namespaceId);
+ extern void CreatePartition(CreatePartitionStmt *stmt, const char *queryString);
+
extern void find_composite_type_dependencies(Oid typeOid,
const char *origTblName,
const char *origTypeName);
diff -cprN head/src/include/nodes/nodes.h work/src/include/nodes/nodes.h
*** head/src/include/nodes/nodes.h 2010-01-06 09:46:25.748744000 +0900
--- work/src/include/nodes/nodes.h 2010-01-14 15:12:13.225409881 +0900
*************** typedef enum NodeTag
*** 347,352 ****
--- 347,353 ----
T_AlterUserMappingStmt,
T_DropUserMappingStmt,
T_AlterTableSpaceOptionsStmt,
+ T_CreatePartitionStmt,
/*
* TAGS FOR PARSE TREE NODES (parsenodes.h)
*************** typedef enum NodeTag
*** 385,390 ****
--- 386,394 ----
T_XmlSerialize,
T_WithClause,
T_CommonTableExpr,
+ T_PartitionDef,
+ T_PartitionBy,
+ T_AddInherit,
/*
* TAGS FOR RANDOM OTHER STUFF
diff -cprN head/src/include/nodes/parsenodes.h work/src/include/nodes/parsenodes.h
*** head/src/include/nodes/parsenodes.h 2010-01-06 14:42:58.290140000 +0900
--- work/src/include/nodes/parsenodes.h 2010-01-14 15:12:13.225409881 +0900
*************** typedef enum AlterTableType
*** 1135,1141 ****
AT_EnableReplicaRule, /* ENABLE REPLICA RULE name */
AT_DisableRule, /* DISABLE RULE name */
AT_AddInherit, /* INHERIT parent */
! AT_DropInherit /* NO INHERIT parent */
} AlterTableType;
typedef struct AlterTableCmd /* one subcommand of an ALTER TABLE */
--- 1135,1144 ----
AT_EnableReplicaRule, /* ENABLE REPLICA RULE name */
AT_DisableRule, /* DISABLE RULE name */
AT_AddInherit, /* INHERIT parent */
! AT_DropInherit, /* NO INHERIT parent */
! AT_PartitionBy, /* PARTITION BY / NO PARTITION */
! AT_AttachPartition, /* ATTACH PARTITION */
! AT_DetachPartition /* DETACH PARTITION */
} AlterTableType;
typedef struct AlterTableCmd /* one subcommand of an ALTER TABLE */
*************** typedef struct VariableShowStmt
*** 1337,1342 ****
--- 1340,1379 ----
char *name;
} VariableShowStmt;
+ /* ----------
+ * Partitioning definitions
+ * ----------
+ */
+
+ #define PARTITION_BY_RANGE 'r'
+ #define PARTITION_BY_LIST 'l'
+
+ typedef struct PartitionDef
+ {
+ NodeTag type;
+ char kind; /* PARTITION_BY_xxx */
+ RangeVar *name; /* name of partition */
+ List *values; /* for RANGE and LIST */
+ List *options; /* options from WITH clause */
+ char *tablespacename; /* table space to use, or NULL */
+ } PartitionDef;
+
+ typedef struct PartitionBy
+ {
+ NodeTag type;
+ char kind; /* PARTITION_BY_xxx */
+ Node *key; /* partition key expr */
+ List *opclass; /* partition key operator class */
+ List *defs; /* list of PartitionDef */
+ } PartitionBy;
+
+ typedef struct CreatePartitionStmt
+ {
+ NodeTag type;
+ RangeVar *parent; /* parent of the partition */
+ PartitionDef *def;
+ } CreatePartitionStmt;
+
/* ----------------------
* Create Table Statement
*
*************** typedef struct CreateStmt
*** 1359,1364 ****
--- 1396,1402 ----
List *options; /* options from WITH clause */
OnCommitAction oncommit; /* what do we do at COMMIT? */
char *tablespacename; /* table space to use, or NULL */
+ PartitionBy *partitions; /* partitioning definition, or NULL */
} CreateStmt;
/* ----------
diff -cprN head/src/include/parser/kwlist.h work/src/include/parser/kwlist.h
*** head/src/include/parser/kwlist.h 2010-01-06 14:42:58.290140000 +0900
--- work/src/include/parser/kwlist.h 2010-01-14 15:12:13.225409881 +0900
*************** PG_KEYWORD("assertion", ASSERTION, UNRES
*** 49,54 ****
--- 49,55 ----
PG_KEYWORD("assignment", ASSIGNMENT, UNRESERVED_KEYWORD)
PG_KEYWORD("asymmetric", ASYMMETRIC, RESERVED_KEYWORD)
PG_KEYWORD("at", AT, UNRESERVED_KEYWORD)
+ PG_KEYWORD("attach", ATTACH, UNRESERVED_KEYWORD)
PG_KEYWORD("authorization", AUTHORIZATION, TYPE_FUNC_NAME_KEYWORD)
PG_KEYWORD("backward", BACKWARD, UNRESERVED_KEYWORD)
PG_KEYWORD("before", BEFORE, UNRESERVED_KEYWORD)
*************** PG_KEYWORD("delete", DELETE_P, UNRESERVE
*** 125,130 ****
--- 126,132 ----
PG_KEYWORD("delimiter", DELIMITER, UNRESERVED_KEYWORD)
PG_KEYWORD("delimiters", DELIMITERS, UNRESERVED_KEYWORD)
PG_KEYWORD("desc", DESC, RESERVED_KEYWORD)
+ PG_KEYWORD("detach", DETACH, UNRESERVED_KEYWORD)
PG_KEYWORD("dictionary", DICTIONARY, UNRESERVED_KEYWORD)
PG_KEYWORD("disable", DISABLE_P, UNRESERVED_KEYWORD)
PG_KEYWORD("discard", DISCARD, UNRESERVED_KEYWORD)
*************** PG_KEYWORD("lc_ctype", LC_CTYPE_P, UNRES
*** 217,225 ****
--- 219,229 ----
PG_KEYWORD("leading", LEADING, RESERVED_KEYWORD)
PG_KEYWORD("least", LEAST, COL_NAME_KEYWORD)
PG_KEYWORD("left", LEFT, TYPE_FUNC_NAME_KEYWORD)
+ PG_KEYWORD("less", LESS, UNRESERVED_KEYWORD)
PG_KEYWORD("level", LEVEL, UNRESERVED_KEYWORD)
PG_KEYWORD("like", LIKE, TYPE_FUNC_NAME_KEYWORD)
PG_KEYWORD("limit", LIMIT, RESERVED_KEYWORD)
+ PG_KEYWORD("list", LIST, UNRESERVED_KEYWORD)
PG_KEYWORD("listen", LISTEN, UNRESERVED_KEYWORD)
PG_KEYWORD("load", LOAD, UNRESERVED_KEYWORD)
PG_KEYWORD("local", LOCAL, UNRESERVED_KEYWORD)
*************** PG_KEYWORD("temp", TEMP, UNRESERVED_KEYW
*** 365,370 ****
--- 369,375 ----
PG_KEYWORD("template", TEMPLATE, UNRESERVED_KEYWORD)
PG_KEYWORD("temporary", TEMPORARY, UNRESERVED_KEYWORD)
PG_KEYWORD("text", TEXT_P, UNRESERVED_KEYWORD)
+ PG_KEYWORD("than", THAN, UNRESERVED_KEYWORD)
PG_KEYWORD("then", THEN, RESERVED_KEYWORD)
PG_KEYWORD("time", TIME, COL_NAME_KEYWORD)
PG_KEYWORD("timestamp", TIMESTAMP, COL_NAME_KEYWORD)
diff -cprN head/src/include/parser/parse_utilcmd.h work/src/include/parser/parse_utilcmd.h
*** head/src/include/parser/parse_utilcmd.h 2010-01-04 09:10:26.638773000 +0900
--- work/src/include/parser/parse_utilcmd.h 2010-01-14 15:12:13.226474907 +0900
*************** extern IndexStmt *transformIndexStmt(Ind
*** 24,28 ****
--- 24,29 ----
extern void transformRuleStmt(RuleStmt *stmt, const char *queryString,
List **actions, Node **whereClause);
extern List *transformCreateSchemaStmt(CreateSchemaStmt *stmt);
+ extern List *transformCreatePartition(PartitionDef *def, RangeVar *parent);
#endif /* PARSE_UTILCMD_H */
diff -cprN head/src/include/utils/builtins.h work/src/include/utils/builtins.h
*** head/src/include/utils/builtins.h 2010-01-04 09:10:26.638773000 +0900
--- work/src/include/utils/builtins.h 2010-01-14 15:12:13.227412036 +0900
*************** extern Datum pg_get_functiondef(PG_FUNCT
*** 601,606 ****
--- 601,607 ----
extern Datum pg_get_function_arguments(PG_FUNCTION_ARGS);
extern Datum pg_get_function_identity_arguments(PG_FUNCTION_ARGS);
extern Datum pg_get_function_result(PG_FUNCTION_ARGS);
+ extern Datum pg_get_partitiondef(PG_FUNCTION_ARGS);
extern char *deparse_expression(Node *expr, List *dpcontext,
bool forceprefix, bool showimplicit);
extern List *deparse_context_for(const char *aliasname, Oid relid);
diff -cprN head/src/include/utils/lsyscache.h work/src/include/utils/lsyscache.h
*** head/src/include/utils/lsyscache.h 2010-01-05 09:17:58.505600000 +0900
--- work/src/include/utils/lsyscache.h 2010-01-14 15:12:13.228424734 +0900
*************** extern Oid get_opclass_family(Oid opclas
*** 66,71 ****
--- 66,72 ----
extern Oid get_opclass_input_type(Oid opclass);
extern RegProcedure get_opcode(Oid opno);
extern char *get_opname(Oid opno);
+ extern List *get_opfullname(Oid opno);
extern void op_input_types(Oid opno, Oid *lefttype, Oid *righttype);
extern bool op_mergejoinable(Oid opno);
extern bool op_hashjoinable(Oid opno);
diff -cprN head/src/include/utils/syscache.h work/src/include/utils/syscache.h
*** head/src/include/utils/syscache.h 2010-01-06 09:46:25.748744000 +0900
--- work/src/include/utils/syscache.h 2010-01-14 15:12:13.228424734 +0900
*************** enum SysCacheIdentifier
*** 84,90 ****
TYPENAMENSP,
TYPEOID,
USERMAPPINGOID,
! USERMAPPINGUSERSERVER
};
extern void InitCatalogCache(void);
--- 84,91 ----
TYPENAMENSP,
TYPEOID,
USERMAPPINGOID,
! USERMAPPINGUSERSERVER,
! PARTITIONKEY
};
extern void InitCatalogCache(void);
diff -cprN head/src/test/regress/expected/partition.out work/src/test/regress/expected/partition.out
*** head/src/test/regress/expected/partition.out 1970-01-01 09:00:00.000000000 +0900
--- work/src/test/regress/expected/partition.out 2010-01-14 17:58:17.375101000 +0900
***************
*** 0 ****
--- 1,458 ----
+ --
+ -- RANGE PARTITION with timestamp
+ --
+ CREATE TABLE sales_range (
+ salesman_id numeric(5),
+ salesman_name varchar(30),
+ sales_state varchar(20),
+ sales_date timestamp
+ )
+ PARTITION BY RANGE (sales_date)
+ (
+ PARTITION sales_2006 VALUES LESS THAN ('2007-01-01'),
+ PARTITION sales_2007 VALUES LESS THAN ('2008-01-01'),
+ PARTITION sales_2008 VALUES LESS THAN ('2009-01-01'),
+ PARTITION sales_max VALUES LESS THAN (MAXVALUE)
+ );
+ \d+ sales_range
+ Table "public.sales_range"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Partitions: RANGE (sales_date)
+ (
+ PARTITION sales_2006 VALUES LESS THAN 'Mon Jan 01 00:00:00 2007',
+ PARTITION sales_2007 VALUES LESS THAN 'Tue Jan 01 00:00:00 2008',
+ PARTITION sales_2008 VALUES LESS THAN 'Thu Jan 01 00:00:00 2009',
+ PARTITION sales_max VALUES LESS THAN MAXVALUE
+ )
+ Has OIDs: no
+
+ \d+ sales_2006
+ Table "public.sales_2006"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Check constraints:
+ "sales_2006_sales_date_check" CHECK (sales_date < 'Mon Jan 01 00:00:00 2007'::timestamp without time zone)
+ Inherits: sales_range
+ Has OIDs: no
+
+ \d+ sales_2007
+ Table "public.sales_2007"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Check constraints:
+ "sales_2007_sales_date_check" CHECK ('Mon Jan 01 00:00:00 2007'::timestamp without time zone <= sales_date AND sales_date < 'Tue Jan 01 00:00:00 2008'::timestamp without time zone)
+ Inherits: sales_range
+ Has OIDs: no
+
+ \d+ sales_2008
+ Table "public.sales_2008"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Check constraints:
+ "sales_2008_sales_date_check" CHECK ('Tue Jan 01 00:00:00 2008'::timestamp without time zone <= sales_date AND sales_date < 'Thu Jan 01 00:00:00 2009'::timestamp without time zone)
+ Inherits: sales_range
+ Has OIDs: no
+
+ \d+ sales_max
+ Table "public.sales_max"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Check constraints:
+ "sales_max_sales_date_check" CHECK ('Thu Jan 01 00:00:00 2009'::timestamp without time zone <= sales_date)
+ Inherits: sales_range
+ Has OIDs: no
+
+ SELECT inhrelid::regclass, inhseqno, inhvalues FROM pg_inherits WHERE inhparent = 'sales_range'::regclass ORDER BY 1;
+ inhrelid | inhseqno | inhvalues
+ ------------+----------+------------------------------
+ sales_2006 | 1 | {"Mon Jan 01 00:00:00 2007"}
+ sales_2007 | 1 | {"Tue Jan 01 00:00:00 2008"}
+ sales_2008 | 1 | {"Thu Jan 01 00:00:00 2009"}
+ sales_max | 1 | {}
+ (4 rows)
+
+ SELECT partrelid::regclass, partkind, pg_get_expr(partkey, partrelid) FROM pg_partition;
+ partrelid | partkind | pg_get_expr
+ -------------+----------+-------------
+ sales_range | r | sales_date
+ (1 row)
+
+ DROP TABLE sales_range CASCADE;
+ NOTICE: drop cascades to 4 other objects
+ DETAIL: drop cascades to table sales_2006
+ drop cascades to table sales_2007
+ drop cascades to table sales_2008
+ drop cascades to table sales_max
+ --
+ -- CREATE TABLE + ALTER TABLE PARTITION BY RANGE + ATTACH PARTITION
+ --
+ CREATE TABLE sales_range (
+ salesman_id numeric(5),
+ salesman_name varchar(30),
+ sales_state varchar(20),
+ sales_date timestamp
+ );
+ ALTER TABLE sales_range PARTITION BY RANGE (sales_date) timestamp_ops
+ (
+ PARTITION sales_2006 VALUES LESS THAN '2007-01-01',
+ PARTITION sales_2007 VALUES LESS THAN '2008-01-01'
+ );
+ CREATE TABLE sales_2008 (LIKE sales_range INCLUDING ALL);
+ ALTER TABLE sales_range ATTACH PARTITION sales_2008 VALUES LESS THAN '2009-01-01';
+ -- ERROR: cannot split partition "sales_2008"
+ CREATE PARTITION sales_error ON sales_range VALUES LESS THAN '2008-06-06';
+ ERROR: cannot split partition "sales_2008"
+ CREATE TABLE sales_max (LIKE sales_range INCLUDING ALL);
+ ALTER TABLE sales_range ATTACH PARTITION sales_max VALUES LESS THAN MAXVALUE;
+ \d+ sales_range
+ Table "public.sales_range"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Partitions: RANGE (sales_date)
+ (
+ PARTITION sales_2006 VALUES LESS THAN 'Mon Jan 01 00:00:00 2007',
+ PARTITION sales_2007 VALUES LESS THAN 'Tue Jan 01 00:00:00 2008',
+ PARTITION sales_2008 VALUES LESS THAN 'Thu Jan 01 00:00:00 2009',
+ PARTITION sales_max VALUES LESS THAN MAXVALUE
+ )
+ Has OIDs: no
+
+ \d+ sales_2006
+ Table "public.sales_2006"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Check constraints:
+ "sales_2006_sales_date_check" CHECK (sales_date < 'Mon Jan 01 00:00:00 2007'::timestamp without time zone)
+ Inherits: sales_range
+ Has OIDs: no
+
+ \d+ sales_2007
+ Table "public.sales_2007"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Check constraints:
+ "sales_2007_sales_date_check" CHECK ('Mon Jan 01 00:00:00 2007'::timestamp without time zone <= sales_date AND sales_date < 'Tue Jan 01 00:00:00 2008'::timestamp without time zone)
+ Inherits: sales_range
+ Has OIDs: no
+
+ \d+ sales_2008
+ Table "public.sales_2008"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Check constraints:
+ "sales_2008_sales_date_check" CHECK ('Tue Jan 01 00:00:00 2008'::timestamp without time zone <= sales_date AND sales_date < 'Thu Jan 01 00:00:00 2009'::timestamp without time zone)
+ Inherits: sales_range
+ Has OIDs: no
+
+ \d+ sales_max
+ Table "public.sales_max"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Check constraints:
+ "sales_max_sales_date_check" CHECK ('Thu Jan 01 00:00:00 2009'::timestamp without time zone <= sales_date)
+ Inherits: sales_range
+ Has OIDs: no
+
+ SELECT inhrelid::regclass, inhseqno, inhvalues FROM pg_inherits WHERE inhparent = 'sales_range'::regclass ORDER BY 1;
+ inhrelid | inhseqno | inhvalues
+ ------------+----------+------------------------------
+ sales_2006 | 1 | {"Mon Jan 01 00:00:00 2007"}
+ sales_2007 | 1 | {"Tue Jan 01 00:00:00 2008"}
+ sales_2008 | 1 | {"Thu Jan 01 00:00:00 2009"}
+ sales_max | 1 | {}
+ (4 rows)
+
+ SELECT partrelid::regclass, partkind, pg_get_expr(partkey, partrelid) FROM pg_partition;
+ partrelid | partkind | pg_get_expr
+ -------------+----------+-------------
+ sales_range | r | sales_date
+ (1 row)
+
+ -- ERROR: cannot add partition to "sales_range", that has an overflow partition
+ CREATE PARTITION sales_error ON sales_range VALUES LESS THAN '2008-06-06';
+ ERROR: cannot add partition to "sales_range", that has an overflow partition
+ -- ERROR: multiple partition keys for table "sales_range" are not allowed
+ ALTER TABLE sales_range PARTITION BY RANGE (salesman_id);
+ ERROR: multiple partition keys for table "sales_range" are not allowed
+ -- ERROR: cannot add LIST partition "sales_error" to RANGE partitioned table "sales_range"
+ CREATE PARTITION sales_error ON sales_range VALUES IN ('list');
+ ERROR: cannot add LIST partition "sales_error" to RANGE partitioned table "sales_range"
+ -- NO PARTITION will drop all inhvalues.
+ ALTER TABLE sales_range NO PARTITION;
+ SELECT inhrelid::regclass, inhseqno, inhvalues FROM pg_inherits WHERE inhparent = 'sales_range'::regclass ORDER BY 1;
+ inhrelid | inhseqno | inhvalues
+ ------------+----------+-----------
+ sales_2006 | 1 |
+ sales_2007 | 1 |
+ sales_2008 | 1 |
+ sales_max | 1 |
+ (4 rows)
+
+ SELECT partrelid::regclass, partkind, pg_get_expr(partkey, partrelid) FROM pg_partition;
+ partrelid | partkind | pg_get_expr
+ -----------+----------+-------------
+ (0 rows)
+
+ DROP TABLE sales_range CASCADE;
+ NOTICE: drop cascades to 4 other objects
+ DETAIL: drop cascades to table sales_2006
+ drop cascades to table sales_2007
+ drop cascades to table sales_2008
+ drop cascades to table sales_max
+ --
+ -- 1000 RANGE PARTITIONS
+ --
+ CREATE TABLE sales_range (
+ salesman_id numeric(5),
+ salesman_name varchar(30),
+ sales_state varchar(20),
+ sales_date timestamp
+ );
+ ALTER TABLE sales_range PARTITION BY RANGE (sales_date);
+ DO
+ $$
+ BEGIN
+ FOR i IN 1..1000 LOOP
+ EXECUTE 'CREATE PARTITION sales_' || i
+ || ' ON sales_range VALUES LESS THAN '
+ || quote_literal('2000-01-01'::timestamp + i * '1 day'::interval);
+ END LOOP;
+ END;
+ $$;
+ CREATE PARTITION sales_max ON sales_range VALUES LESS THAN MAXVALUE;
+ SET client_min_messages = WARNING;
+ DROP TABLE sales_range CASCADE;
+ RESET client_min_messages;
+ --
+ -- LIST PARTITION with varchar
+ --
+ CREATE TABLE sales_list (
+ salesman_id numeric(5),
+ salesman_name varchar(30),
+ sales_state varchar(20),
+ sales_date timestamp
+ )
+ PARTITION BY LIST (sales_state) varchar_ops
+ (
+ PARTITION sales_asia VALUES ('asia'),
+ PARTITION sales_euro VALUES ('eu'),
+ PARTITION sales_us VALUES ('usa', 'canada'),
+ PARTITION sales_other VALUES (DEFAULT)
+ );
+ \d+ sales_list
+ Table "public.sales_list"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Partitions: LIST (sales_state) varchar_ops
+ (
+ PARTITION sales_asia VALUES ('asia'),
+ PARTITION sales_euro VALUES ('eu'),
+ PARTITION sales_us VALUES ('usa', 'canada'),
+ PARTITION sales_other VALUES (DEFAULT)
+ )
+ Has OIDs: no
+
+ \d+ sales_asia
+ Table "public.sales_asia"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Check constraints:
+ "sales_asia_sales_state_check" CHECK (sales_state::text = 'asia'::text)
+ Inherits: sales_list
+ Has OIDs: no
+
+ \d+ sales_euro
+ Table "public.sales_euro"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Check constraints:
+ "sales_euro_sales_state_check" CHECK (sales_state::text = 'eu'::text)
+ Inherits: sales_list
+ Has OIDs: no
+
+ \d+ sales_us
+ Table "public.sales_us"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Check constraints:
+ "sales_us_sales_state_check" CHECK (sales_state::text = ANY (ARRAY['usa'::character varying, 'canada'::character varying]::text[]))
+ Inherits: sales_list
+ Has OIDs: no
+
+ \d+ sales_other
+ Table "public.sales_other"
+ Column | Type | Modifiers | Storage | Description
+ ---------------+-----------------------------+-----------+----------+-------------
+ salesman_id | numeric(5,0) | | main |
+ salesman_name | character varying(30) | | extended |
+ sales_state | character varying(20) | | extended |
+ sales_date | timestamp without time zone | | plain |
+ Check constraints:
+ "sales_other_sales_state_check" CHECK (NOT (sales_state::text = ANY (ARRAY['asia'::character varying, 'eu'::character varying, 'usa'::character varying, 'canada'::character varying]::text[])))
+ Inherits: sales_list
+ Has OIDs: no
+
+ SELECT inhrelid::regclass, inhseqno, inhvalues FROM pg_inherits WHERE inhparent = 'sales_list'::regclass ORDER BY 1;
+ inhrelid | inhseqno | inhvalues
+ -------------+----------+--------------
+ sales_asia | 1 | {asia}
+ sales_euro | 1 | {eu}
+ sales_us | 1 | {usa,canada}
+ sales_other | 1 | {}
+ (4 rows)
+
+ SELECT partrelid::regclass, partkind, pg_get_expr(partkey, partrelid) FROM pg_partition;
+ partrelid | partkind | pg_get_expr
+ ------------+----------+-------------
+ sales_list | l | sales_state
+ (1 row)
+
+ DROP TABLE sales_list CASCADE;
+ NOTICE: drop cascades to 4 other objects
+ DETAIL: drop cascades to table sales_asia
+ drop cascades to table sales_euro
+ drop cascades to table sales_us
+ drop cascades to table sales_other
+ --
+ -- 1000 LIST PARTITIONS
+ --
+ CREATE TABLE sales_list (
+ salesman_id numeric(5),
+ salesman_name varchar(30),
+ sales_state varchar(20),
+ sales_date timestamp
+ );
+ ALTER TABLE sales_list PARTITION BY LIST (lower(sales_state)) text_ops;
+ DO
+ $$
+ BEGIN
+ FOR i IN 1..1000 LOOP
+ EXECUTE 'CREATE PARTITION sales_' || i
+ || ' ON sales_list VALUES (' || quote_literal(i) || ')';
+ END LOOP;
+ END;
+ $$;
+ -- ERROR: partition values overlapped with "sales_123"
+ CREATE PARTITION sales_error ON sales_list VALUES ('1001', '123');
+ ERROR: partition values overlapped with "sales_123"
+ CREATE PARTITION sales_other ON sales_list VALUES DEFAULT;
+ SET client_min_messages = WARNING;
+ DROP TABLE sales_list CASCADE;
+ RESET client_min_messages;
+ --
+ -- LIST PARTITION with boolean
+ --
+ CREATE TABLE answers (
+ id integer,
+ answer boolean
+ )
+ PARTITION BY LIST (answer)
+ (
+ PARTITION ans_yes VALUES (true),
+ PARTITION ans_no VALUES (false)
+ );
+ -- ERROR: partition key must not be NULL
+ CREATE PARTITION ans_unknown ON answers VALUES (NULL);
+ ERROR: partition key must not be NULL
+ CREATE PARTITION ans_unknown ON answers VALUES (DEFAULT);
+ \d+ answers
+ Table "public.answers"
+ Column | Type | Modifiers | Storage | Description
+ --------+---------+-----------+---------+-------------
+ id | integer | | plain |
+ answer | boolean | | plain |
+ Partitions: LIST (answer)
+ (
+ PARTITION ans_no VALUES ('f'),
+ PARTITION ans_yes VALUES ('t'),
+ PARTITION ans_unknown VALUES (DEFAULT)
+ )
+ Has OIDs: no
+
+ -- INSERTs with conditional triggers
+ CREATE FUNCTION insert_into() RETURNS trigger AS
+ $$
+ BEGIN
+ EXECUTE 'INSERT INTO ' || quote_ident(TG_ARGV[0]) || ' VALUES($1.*)' USING NEW;
+ RETURN NULL;
+ END;
+ $$
+ LANGUAGE plpgsql;
+ CREATE TRIGGER insert_yes BEFORE INSERT ON answers FOR EACH ROW
+ WHEN (NEW.answer) EXECUTE PROCEDURE insert_into('ans_yes');
+ CREATE TRIGGER insert_no BEFORE INSERT ON answers FOR EACH ROW
+ WHEN (NOT NEW.answer) EXECUTE PROCEDURE insert_into('ans_no');
+ CREATE TRIGGER insert_unknown BEFORE INSERT ON answers FOR EACH ROW
+ WHEN (NEW.answer IS NULL) EXECUTE PROCEDURE insert_into('ans_unknown');
+ INSERT INTO answers VALUES(1, true), (2, false), (3, NULL);
+ SELECT tableoid::regclass, * FROM answers ORDER BY id;
+ tableoid | id | answer
+ -------------+----+--------
+ ans_yes | 1 | t
+ ans_no | 2 | f
+ ans_unknown | 3 |
+ (3 rows)
+
+ DROP TABLE answers CASCADE;
+ NOTICE: drop cascades to 3 other objects
+ DETAIL: drop cascades to table ans_yes
+ drop cascades to table ans_no
+ drop cascades to table ans_unknown
+ DROP FUNCTION insert_into();
diff -cprN head/src/test/regress/expected/sanity_check.out work/src/test/regress/expected/sanity_check.out
*** head/src/test/regress/expected/sanity_check.out 2009-12-11 12:39:49.829461000 +0900
--- work/src/test/regress/expected/sanity_check.out 2010-01-14 15:12:13.229507210 +0900
*************** SELECT relname, relhasindex
*** 112,117 ****
--- 112,118 ----
pg_opclass | t
pg_operator | t
pg_opfamily | t
+ pg_partition | t
pg_pltemplate | t
pg_proc | t
pg_rewrite | t
*************** SELECT relname, relhasindex
*** 154,160 ****
timetz_tbl | f
tinterval_tbl | f
varchar_tbl | f
! (143 rows)
--
-- another sanity check: every system catalog that has OIDs should have
--- 155,161 ----
timetz_tbl | f
tinterval_tbl | f
varchar_tbl | f
! (144 rows)
--
-- another sanity check: every system catalog that has OIDs should have
diff -cprN head/src/test/regress/parallel_schedule work/src/test/regress/parallel_schedule
*** head/src/test/regress/parallel_schedule 2009-08-25 09:55:55.804564000 +0900
--- work/src/test/regress/parallel_schedule 2010-01-14 15:12:13.229507210 +0900
*************** test: copy copyselect
*** 52,58 ****
# ----------
# Another group of parallel tests
# ----------
! test: constraints triggers create_misc create_aggregate create_operator inherit vacuum drop_if_exists create_cast
# Depends on the above
test: create_index create_view
--- 52,58 ----
# ----------
# Another group of parallel tests
# ----------
! test: constraints triggers create_misc create_aggregate create_operator inherit partition vacuum drop_if_exists create_cast
# Depends on the above
test: create_index create_view
diff -cprN head/src/test/regress/serial_schedule work/src/test/regress/serial_schedule
*** head/src/test/regress/serial_schedule 2009-08-25 09:55:55.804564000 +0900
--- work/src/test/regress/serial_schedule 2010-01-14 15:12:13.229507210 +0900
*************** test: create_operator
*** 60,65 ****
--- 60,66 ----
test: create_index
test: drop_if_exists
test: inherit
+ test: partition
test: vacuum
test: create_view
test: sanity_check
diff -cprN head/src/test/regress/sql/partition.sql work/src/test/regress/sql/partition.sql
*** head/src/test/regress/sql/partition.sql 1970-01-01 09:00:00.000000000 +0900
--- work/src/test/regress/sql/partition.sql 2010-01-14 17:55:02.639624000 +0900
***************
*** 0 ****
--- 1,188 ----
+ --
+ -- RANGE PARTITION with timestamp
+ --
+ CREATE TABLE sales_range (
+ salesman_id numeric(5),
+ salesman_name varchar(30),
+ sales_state varchar(20),
+ sales_date timestamp
+ )
+ PARTITION BY RANGE (sales_date)
+ (
+ PARTITION sales_2006 VALUES LESS THAN ('2007-01-01'),
+ PARTITION sales_2007 VALUES LESS THAN ('2008-01-01'),
+ PARTITION sales_2008 VALUES LESS THAN ('2009-01-01'),
+ PARTITION sales_max VALUES LESS THAN (MAXVALUE)
+ );
+ \d+ sales_range
+ \d+ sales_2006
+ \d+ sales_2007
+ \d+ sales_2008
+ \d+ sales_max
+ SELECT inhrelid::regclass, inhseqno, inhvalues FROM pg_inherits WHERE inhparent = 'sales_range'::regclass ORDER BY 1;
+ SELECT partrelid::regclass, partkind, pg_get_expr(partkey, partrelid) FROM pg_partition;
+ DROP TABLE sales_range CASCADE;
+
+ --
+ -- CREATE TABLE + ALTER TABLE PARTITION BY RANGE + ATTACH PARTITION
+ --
+ CREATE TABLE sales_range (
+ salesman_id numeric(5),
+ salesman_name varchar(30),
+ sales_state varchar(20),
+ sales_date timestamp
+ );
+ ALTER TABLE sales_range PARTITION BY RANGE (sales_date) timestamp_ops
+ (
+ PARTITION sales_2006 VALUES LESS THAN '2007-01-01',
+ PARTITION sales_2007 VALUES LESS THAN '2008-01-01'
+ );
+ CREATE TABLE sales_2008 (LIKE sales_range INCLUDING ALL);
+ ALTER TABLE sales_range ATTACH PARTITION sales_2008 VALUES LESS THAN '2009-01-01';
+
+ -- ERROR: cannot split partition "sales_2008"
+ CREATE PARTITION sales_error ON sales_range VALUES LESS THAN '2008-06-06';
+
+ CREATE TABLE sales_max (LIKE sales_range INCLUDING ALL);
+ ALTER TABLE sales_range ATTACH PARTITION sales_max VALUES LESS THAN MAXVALUE;
+
+ \d+ sales_range
+ \d+ sales_2006
+ \d+ sales_2007
+ \d+ sales_2008
+ \d+ sales_max
+ SELECT inhrelid::regclass, inhseqno, inhvalues FROM pg_inherits WHERE inhparent = 'sales_range'::regclass ORDER BY 1;
+ SELECT partrelid::regclass, partkind, pg_get_expr(partkey, partrelid) FROM pg_partition;
+
+ -- ERROR: cannot add partition to "sales_range", that has an overflow partition
+ CREATE PARTITION sales_error ON sales_range VALUES LESS THAN '2008-06-06';
+ -- ERROR: multiple partition keys for table "sales_range" are not allowed
+ ALTER TABLE sales_range PARTITION BY RANGE (salesman_id);
+ -- ERROR: cannot add LIST partition "sales_error" to RANGE partitioned table "sales_range"
+ CREATE PARTITION sales_error ON sales_range VALUES IN ('list');
+
+ -- NO PARTITION will drop all inhvalues.
+ ALTER TABLE sales_range NO PARTITION;
+ SELECT inhrelid::regclass, inhseqno, inhvalues FROM pg_inherits WHERE inhparent = 'sales_range'::regclass ORDER BY 1;
+ SELECT partrelid::regclass, partkind, pg_get_expr(partkey, partrelid) FROM pg_partition;
+ DROP TABLE sales_range CASCADE;
+
+ --
+ -- 1000 RANGE PARTITIONS
+ --
+ CREATE TABLE sales_range (
+ salesman_id numeric(5),
+ salesman_name varchar(30),
+ sales_state varchar(20),
+ sales_date timestamp
+ );
+ ALTER TABLE sales_range PARTITION BY RANGE (sales_date);
+ DO
+ $$
+ BEGIN
+ FOR i IN 1..1000 LOOP
+ EXECUTE 'CREATE PARTITION sales_' || i
+ || ' ON sales_range VALUES LESS THAN '
+ || quote_literal('2000-01-01'::timestamp + i * '1 day'::interval);
+ END LOOP;
+ END;
+ $$;
+ CREATE PARTITION sales_max ON sales_range VALUES LESS THAN MAXVALUE;
+ SET client_min_messages = WARNING;
+ DROP TABLE sales_range CASCADE;
+ RESET client_min_messages;
+
+ --
+ -- LIST PARTITION with varchar
+ --
+ CREATE TABLE sales_list (
+ salesman_id numeric(5),
+ salesman_name varchar(30),
+ sales_state varchar(20),
+ sales_date timestamp
+ )
+ PARTITION BY LIST (sales_state) varchar_ops
+ (
+ PARTITION sales_asia VALUES ('asia'),
+ PARTITION sales_euro VALUES ('eu'),
+ PARTITION sales_us VALUES ('usa', 'canada'),
+ PARTITION sales_other VALUES (DEFAULT)
+ );
+ \d+ sales_list
+ \d+ sales_asia
+ \d+ sales_euro
+ \d+ sales_us
+ \d+ sales_other
+ SELECT inhrelid::regclass, inhseqno, inhvalues FROM pg_inherits WHERE inhparent = 'sales_list'::regclass ORDER BY 1;
+ SELECT partrelid::regclass, partkind, pg_get_expr(partkey, partrelid) FROM pg_partition;
+ DROP TABLE sales_list CASCADE;
+
+ --
+ -- 1000 LIST PARTITIONS
+ --
+ CREATE TABLE sales_list (
+ salesman_id numeric(5),
+ salesman_name varchar(30),
+ sales_state varchar(20),
+ sales_date timestamp
+ );
+ ALTER TABLE sales_list PARTITION BY LIST (lower(sales_state)) text_ops;
+ DO
+ $$
+ BEGIN
+ FOR i IN 1..1000 LOOP
+ EXECUTE 'CREATE PARTITION sales_' || i
+ || ' ON sales_list VALUES (' || quote_literal(i) || ')';
+ END LOOP;
+ END;
+ $$;
+
+ -- ERROR: partition values overlapped with "sales_123"
+ CREATE PARTITION sales_error ON sales_list VALUES ('1001', '123');
+
+ CREATE PARTITION sales_other ON sales_list VALUES DEFAULT;
+ SET client_min_messages = WARNING;
+ DROP TABLE sales_list CASCADE;
+ RESET client_min_messages;
+
+ --
+ -- LIST PARTITION with boolean
+ --
+ CREATE TABLE answers (
+ id integer,
+ answer boolean
+ )
+ PARTITION BY LIST (answer)
+ (
+ PARTITION ans_yes VALUES (true),
+ PARTITION ans_no VALUES (false)
+ );
+
+ -- ERROR: partition key must not be NULL
+ CREATE PARTITION ans_unknown ON answers VALUES (NULL);
+
+ CREATE PARTITION ans_unknown ON answers VALUES (DEFAULT);
+ \d+ answers
+
+ -- INSERTs with conditional triggers
+ CREATE FUNCTION insert_into() RETURNS trigger AS
+ $$
+ BEGIN
+ EXECUTE 'INSERT INTO ' || quote_ident(TG_ARGV[0]) || ' VALUES($1.*)' USING NEW;
+ RETURN NULL;
+ END;
+ $$
+ LANGUAGE plpgsql;
+
+ CREATE TRIGGER insert_yes BEFORE INSERT ON answers FOR EACH ROW
+ WHEN (NEW.answer) EXECUTE PROCEDURE insert_into('ans_yes');
+ CREATE TRIGGER insert_no BEFORE INSERT ON answers FOR EACH ROW
+ WHEN (NOT NEW.answer) EXECUTE PROCEDURE insert_into('ans_no');
+ CREATE TRIGGER insert_unknown BEFORE INSERT ON answers FOR EACH ROW
+ WHEN (NEW.answer IS NULL) EXECUTE PROCEDURE insert_into('ans_unknown');
+
+ INSERT INTO answers VALUES(1, true), (2, false), (3, NULL);
+ SELECT tableoid::regclass, * FROM answers ORDER BY id;
+
+ DROP TABLE answers CASCADE;
+ DROP FUNCTION insert_into();