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Add support for ALTER TABLE IF EXISTS ... RENAME CONSTRAINT

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Also add regression test.  Previously this was documented to work, but
didn't.
This commit is contained in:
Bruce Momjian
2015-03-24 19:52:47 -04:00
parent feeb526cfe
commit 1d8198bb44
4 changed files with 22 additions and 1 deletions
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11
src/backend/parser/gram.y
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@@ -7706,6 +7706,17 @@ RenameStmt: ALTER AGGREGATE func_name aggr_args RENAME TO name
n->relation = $3;
n->subname = $6;
n->newname = $8;
n->missing_ok = false;
$$ = (Node *)n;
}
| ALTER TABLE IF_P EXISTS relation_expr RENAME CONSTRAINT name TO name
{
RenameStmt *n = makeNode(RenameStmt);
n->renameType = OBJECT_TABCONSTRAINT;
n->relation = $5;
n->subname = $8;
n->newname = $10;
n->missing_ok = true;
$$ = (Node *)n;
}
| ALTER FOREIGN TABLE relation_expr RENAME opt_column name TO name