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Code Activity

Reduce lock levels of some ALTER TABLE cmds

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VALIDATE CONSTRAINT

CLUSTER ON
SET WITHOUT CLUSTER

ALTER COLUMN SET STATISTICS
ALTER COLUMN SET ()
ALTER COLUMN RESET ()

All other sub-commands use AccessExclusiveLock

Simon Riggs and Noah Misch

Reviews by Robert Haas and Andres Freund
This commit is contained in:
Simon Riggs
2014-04-06 11:13:43 -04:00
parent 80a5cf643a
commit e5550d5fec
13 changed files with 402 additions and 120 deletions
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4
src/backend/tcop/utility.c
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@@ -908,7 +908,7 @@ ProcessUtilitySlow(Node *parsetree,
InvalidOid);
/*
* Let AlterTableCreateToastTable decide if this
* Let NewRelationCreateToastTable decide if this
* one needs a secondary relation too.
*/
CommandCounterIncrement();
@@ -927,7 +927,7 @@ ProcessUtilitySlow(Node *parsetree,
toast_options,
true);
AlterTableCreateToastTable(relOid, toast_options);
NewRelationCreateToastTable(relOid, toast_options);
}
else if (IsA(stmt, CreateForeignTableStmt))
{