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 ad398e837d5..73b8dea81c8 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -2795,22 +2795,9 @@ MergeAttributes(List *columns, const List *supers, char relpersistence, */ if (attribute->atthasdef) { - Node *this_default = NULL; + Node *this_default; - /* Find default in constraint structure */ - if (constr != NULL) - { - AttrDefault *attrdef = constr->defval; - - for (int i = 0; i < constr->num_defval; i++) - { - if (attrdef[i].adnum == parent_attno) - { - this_default = stringToNode(attrdef[i].adbin); - break; - } - } - } + this_default = TupleDescGetDefault(tupleDesc, parent_attno); if (this_default == NULL) elog(ERROR, "default expression not found for attribute %d of relation \"%s\"", parent_attno, RelationGetRelationName(relation)); |