Re: Add SPLIT PARTITION/MERGE PARTITIONS commands
Alexander Lakhin <exclusion@gmail.com>
Commits
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the thread's linked commits as JSON, with link sources.
API reference →
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Adjust errcode in checkPartition()
- d51a5d8e5692 19 (unreleased) landed
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Fix usage of palloc() in MERGE/SPLIT PARTITION(s) code
- c5ae07a90a0f 19 (unreleased) landed
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Implement ALTER TABLE ... SPLIT PARTITION ... command
- 4b3d173629f4 19 (unreleased) landed
- 87c21bb9412c 17.0 landed
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Implement ALTER TABLE ... MERGE PARTITIONS ... command
- f2e4cc427951 19 (unreleased) landed
- 1adf16b8fba4 17.0 landed
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Calculate agglevelsup correctly when Aggref contains a CTE.
- b0cc0a71e0a0 19 (unreleased) cited
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Use PqMsg_* macros in applyparallelworker.c.
- 989b2e4d5c95 19 (unreleased) cited
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Restrict psql meta-commands in plain-text dumps.
- 71ea0d679543 19 (unreleased) cited
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Ensure we have a snapshot when updating various system catalogs.
- 706054b11b95 18.0 cited
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Use specific collation where needed in new test
- 17bcf4f54504 18.0 cited
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Expand virtual generated columns in the planner
- 1e4351af329f 18.0 cited
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Virtual generated columns
- 83ea6c54025b 18.0 cited
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Define PG_LOGICAL_DIR for path pg_logical/ in data folder
- c39afc38cfec 18.0 cited
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Revert support for ALTER TABLE ... MERGE/SPLIT PARTITION(S) commands
- 84f594da3588 17.0 landed
- 3890d90c1508 18.0 landed
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Avoid repeated table name lookups in createPartitionTable()
- f636ab41aba2 17.0 landed
- 04158e7fa37c 18.0 landed
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Provide deterministic order for catalog queries in partition_split.sql
- d53a4286d772 17.0 landed
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Don't copy extended statistics during MERGE/SPLIT partition operations
- fbd4321fd5b4 17.0 landed
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Fix the name collision detection in MERGE/SPLIT partition operations
- 3a82c689fd1b 17.0 landed
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Fix regression tests conflict in 3ca43dbbb6
- 2a679ae94e46 17.0 landed
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Add permission check for MERGE/SPLIT partition operations
- 3ca43dbbb67f 17.0 landed
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Fix one more portability shortcoming in new test_pg_dump test.
- d12b4ba1bd3e 17.0 cited
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Inherit parent's AM for partition MERGE/SPLIT operations
- 259c96fa8f78 17.0 landed
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Add tab completion for partition MERGE/SPLIT operations
- 60ae37a8bc02 17.0 landed
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Rename tables in tests of partition MERGE/SPLIT operations
- f4fc7cb54b6a 17.0 landed
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Make new partitions with parent's persistence during MERGE/SPLIT
- fcf80c5d5f0f 17.0 landed
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Document the way partition MERGE/SPLIT operations create new partitions
- 842c9b27057e 17.0 landed
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Change the way ATExecMergePartitions() handles the name collision
- 885742b9f88b 17.0 landed
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Grammar fixes for split/merge partitions code
- 9dfcac8e15ac 17.0 landed
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Checks for ALTER TABLE ... SPLIT/MERGE PARTITIONS ... commands
- c99ef1811a06 17.0 landed
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Fix some grammer errors from error messages and codes comments
- df64c81ca9cb 17.0 landed
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Support TZ and OF format codes in to_timestamp().
- 8ba6fdf905d0 17.0 cited
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Support identity columns in partitioned tables
- 699586315704 17.0 cited
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Fix indentation in twophase.c
- 4e465aac36ce 17.0 cited
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Fix corner-case planner failure for MERGE.
- 326a33a289c7 16.0 cited
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Doc: fix documentation example for bytea hex output format.
- 4f46f870fa56 16.0 cited
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Avoid repeated name lookups during table and index DDL.
- 5f173040e324 9.4.0 cited
Hello,
24.05.2024 22:29, Tom Lane wrote:
> The partition_split test has unstable results, as shown at [1].
> I suggest adding "ORDER BY conname" to the two queries shown
> to fail there. Better look at other queries in the test for
> possible similar problems, too.
Yes, I've just reproduced it on an aarch64 device as follows:
echo "autovacuum_naptime = 1
autovacuum_vacuum_threshold = 1
autovacuum_analyze_threshold = 1
" > ~/temp.config
TEMP_CONFIG=~/temp.config TESTS="$(printf 'partition_split %.0s' `seq 100`)" make -s check-tests
...
ok 80 - partition_split 749 ms
not ok 81 - partition_split 728 ms
ok 82 - partition_split 732 ms
$ cat src/test/regress/regression.diffs
diff -U3 .../src/test/regress/expected/partition_split.out .../src/test/regress/results/partition_split.out
--- .../src/test/regress/expected/partition_split.out 2024-05-15 17:15:57.171999830 +0000
+++ .../src/test/regress/results/partition_split.out 2024-05-24 19:28:37.329999749 +0000
@@ -625,8 +625,8 @@
SELECT pg_get_constraintdef(oid), conname, conkey FROM pg_constraint WHERE conrelid =
'sales_feb_mar_apr2022'::regclass::oid;
pg_get_constraintdef | conname | conkey
---------------------------------------------------------------------+---------------------------------+--------
- CHECK ((sales_amount > 1)) | sales_range_sales_amount_check | {2}
FOREIGN KEY (salesperson_id) REFERENCES salespeople(salesperson_id) | sales_range_salesperson_id_fkey | {1}
+ CHECK ((sales_amount > 1)) | sales_range_sales_amount_check | {2}
(2 rows)
ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
Best regards,
Alexander