diff options
Diffstat (limited to 'src/backend/tcop/utility.c')
| -rw-r--r-- | src/backend/tcop/utility.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/backend/tcop/utility.c b/src/backend/tcop/utility.c index 05bb698cf45..729274b330f 100644 --- a/src/backend/tcop/utility.c +++ b/src/backend/tcop/utility.c @@ -1236,6 +1236,25 @@ ProcessUtilitySlow(ParseState *pstate, AlterTableStmt *atstmt = (AlterTableStmt *) parsetree; Oid relid; LOCKMODE lockmode; + ListCell *cell; + + /* + * Disallow ALTER TABLE .. DETACH CONCURRENTLY in a + * transaction block or function. (Perhaps it could be + * allowed in a procedure, but don't hold your breath.) + */ + foreach(cell, atstmt->cmds) + { + AlterTableCmd *cmd = (AlterTableCmd *) lfirst(cell); + + /* Disallow DETACH CONCURRENTLY in a transaction block */ + if (cmd->subtype == AT_DetachPartition) + { + if (((PartitionCmd *) cmd->def)->concurrent) + PreventInTransactionBlock(isTopLevel, + "ALTER TABLE ... DETACH CONCURRENTLY"); + } + } /* * Figure out lock mode, and acquire lock. This also does |