alterdomain_subtype.patch
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Filename: alterdomain_subtype.patch
Type: text/plain
Part: 0
Patch
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API reference →
Format: unified
| File | + | − |
|---|---|---|
| src/backend/commands/tablecmds.c | 1 | 1 |
| src/backend/parser/gram.y | 7 | 7 |
| src/backend/tcop/utility.c | 6 | 6 |
| src/include/nodes/parsenodes.h | 8 | 8 |
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 54ad38247aa..3f09f85a480 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -15696,7 +15696,7 @@ ATPostAlterTypeParse(Oid oldId, Oid oldRelId, Oid refRelId, char *cmd,
{
AlterDomainStmt *stmt = (AlterDomainStmt *) stm;
- if (stmt->subtype == 'C') /* ADD CONSTRAINT */
+ if (stmt->subtype == AD_AddConstraint)
{
Constraint *con = castNode(Constraint, stmt->def);
AlterTableCmd *cmd = makeNode(AlterTableCmd);
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index 0b5652071d1..391e70b594c 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -11629,7 +11629,7 @@ AlterDomainStmt:
{
AlterDomainStmt *n = makeNode(AlterDomainStmt);
- n->subtype = 'T';
+ n->subtype = AD_AlterDefault;
n->typeName = $3;
n->def = $4;
$$ = (Node *) n;
@@ -11639,7 +11639,7 @@ AlterDomainStmt:
{
AlterDomainStmt *n = makeNode(AlterDomainStmt);
- n->subtype = 'N';
+ n->subtype = AD_DropNotNull;
n->typeName = $3;
$$ = (Node *) n;
}
@@ -11648,7 +11648,7 @@ AlterDomainStmt:
{
AlterDomainStmt *n = makeNode(AlterDomainStmt);
- n->subtype = 'O';
+ n->subtype = AD_SetNotNull;
n->typeName = $3;
$$ = (Node *) n;
}
@@ -11657,7 +11657,7 @@ AlterDomainStmt:
{
AlterDomainStmt *n = makeNode(AlterDomainStmt);
- n->subtype = 'C';
+ n->subtype = AD_AddConstraint;
n->typeName = $3;
n->def = $5;
$$ = (Node *) n;
@@ -11667,7 +11667,7 @@ AlterDomainStmt:
{
AlterDomainStmt *n = makeNode(AlterDomainStmt);
- n->subtype = 'X';
+ n->subtype = AD_DropConstraint;
n->typeName = $3;
n->name = $6;
n->behavior = $7;
@@ -11679,7 +11679,7 @@ AlterDomainStmt:
{
AlterDomainStmt *n = makeNode(AlterDomainStmt);
- n->subtype = 'X';
+ n->subtype = AD_DropConstraint;
n->typeName = $3;
n->name = $8;
n->behavior = $9;
@@ -11691,7 +11691,7 @@ AlterDomainStmt:
{
AlterDomainStmt *n = makeNode(AlterDomainStmt);
- n->subtype = 'V';
+ n->subtype = AD_VaidateConstraint;
n->typeName = $3;
n->name = $6;
$$ = (Node *) n;
diff --git a/src/backend/tcop/utility.c b/src/backend/tcop/utility.c
index 25fe3d58016..5c0a4eb53cb 100644
--- a/src/backend/tcop/utility.c
+++ b/src/backend/tcop/utility.c
@@ -1343,7 +1343,7 @@ ProcessUtilitySlow(ParseState *pstate,
*/
switch (stmt->subtype)
{
- case 'T': /* ALTER DOMAIN DEFAULT */
+ case AD_AlterDefault:
/*
* Recursively alter column default for table and,
@@ -1353,30 +1353,30 @@ ProcessUtilitySlow(ParseState *pstate,
AlterDomainDefault(stmt->typeName,
stmt->def);
break;
- case 'N': /* ALTER DOMAIN DROP NOT NULL */
+ case AD_DropNotNull:
address =
AlterDomainNotNull(stmt->typeName,
false);
break;
- case 'O': /* ALTER DOMAIN SET NOT NULL */
+ case AD_SetNotNull:
address =
AlterDomainNotNull(stmt->typeName,
true);
break;
- case 'C': /* ADD CONSTRAINT */
+ case AD_AddConstraint:
address =
AlterDomainAddConstraint(stmt->typeName,
stmt->def,
&secondaryObject);
break;
- case 'X': /* DROP CONSTRAINT */
+ case AD_DropConstraint:
address =
AlterDomainDropConstraint(stmt->typeName,
stmt->name,
stmt->behavior,
stmt->missing_ok);
break;
- case 'V': /* VALIDATE CONSTRAINT */
+ case AD_VaidateConstraint:
address =
AlterDomainValidateConstraint(stmt->typeName,
stmt->name);
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h
index 4610fc61293..7349918e35e 100644
--- a/src/include/nodes/parsenodes.h
+++ b/src/include/nodes/parsenodes.h
@@ -2534,14 +2534,7 @@ typedef struct AlterCollationStmt
typedef struct AlterDomainStmt
{
NodeTag type;
- char subtype; /*------------
- * T = alter column default
- * N = alter column drop not null
- * O = alter column set not null
- * C = add constraint
- * X = drop constraint
- *------------
- */
+ char subtype; /* see AD_xxx constants below */
List *typeName; /* domain to work on */
char *name; /* column or constraint name to act on */
Node *def; /* definition of default or constraint */
@@ -2549,6 +2542,13 @@ typedef struct AlterDomainStmt
bool missing_ok; /* skip error if missing? */
} AlterDomainStmt;
+/* AlterDomainStmt action */
+#define AD_AlterDefault 'T' /* SET|DROP DEFAULT */
+#define AD_DropNotNull 'N' /* DROP NOT NULL */
+#define AD_SetNotNull 'O' /* SET NOT NULL */
+#define AD_AddConstraint 'C' /* ADD CONSTRAINT */
+#define AD_DropConstraint 'X' /* DROP CONSTRAINT */
+#define AD_VaidateConstraint 'V' /* VALIDATE CONSTRAINT */
/* ----------------------
* Grant|Revoke Statement