diff options
Diffstat (limited to 'src/backend/commands/tablecmds.c')
| -rw-r--r-- | src/backend/commands/tablecmds.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index 8e611e8f5cb..a69544853fa 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -7178,27 +7178,14 @@ ATPrepAlterColumnType(List **wqueue, true); addRTEtoQuery(pstate, rte, false, true, true); - transform = transformExpr(pstate, transform); + transform = transformExpr(pstate, transform, + EXPR_KIND_ALTER_COL_TRANSFORM); /* It can't return a set */ if (expression_returns_set(transform)) ereport(ERROR, (errcode(ERRCODE_DATATYPE_MISMATCH), errmsg("transform expression must not return a set"))); - - /* No subplans or aggregates, either... */ - if (pstate->p_hasSubLinks) - ereport(ERROR, - (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), - errmsg("cannot use subquery in transform expression"))); - if (pstate->p_hasAggs) - ereport(ERROR, - (errcode(ERRCODE_GROUPING_ERROR), - errmsg("cannot use aggregate function in transform expression"))); - if (pstate->p_hasWindowFuncs) - ereport(ERROR, - (errcode(ERRCODE_WINDOWING_ERROR), - errmsg("cannot use window function in transform expression"))); } else { |