aboutsummaryrefslogtreecommitdiff
path: root/src/backend/parser/parse_utilcmd.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/backend/parser/parse_utilcmd.c')
-rw-r--r--src/backend/parser/parse_utilcmd.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/backend/parser/parse_utilcmd.c b/src/backend/parser/parse_utilcmd.c
index 62015431fdf..afcf54169c3 100644
--- a/src/backend/parser/parse_utilcmd.c
+++ b/src/backend/parser/parse_utilcmd.c
@@ -1279,6 +1279,28 @@ transformTableLikeClause(CreateStmtContext *cxt, TableLikeClause *table_like_cla
lst = RelationGetNotNullConstraints(RelationGetRelid(relation), false,
true);
cxt->nnconstraints = list_concat(cxt->nnconstraints, lst);
+
+ /* Copy comments on not-null constraints */
+ if (table_like_clause->options & CREATE_TABLE_LIKE_COMMENTS)
+ {
+ foreach_node(Constraint, nnconstr, lst)
+ {
+ if ((comment = GetComment(get_relation_constraint_oid(RelationGetRelid(relation),
+ nnconstr->conname, false),
+ ConstraintRelationId,
+ 0)) != NULL)
+ {
+ CommentStmt *stmt = makeNode(CommentStmt);
+
+ stmt->objtype = OBJECT_TABCONSTRAINT;
+ stmt->object = (Node *) list_make3(makeString(cxt->relation->schemaname),
+ makeString(cxt->relation->relname),
+ makeString(nnconstr->conname));
+ stmt->comment = comment;
+ cxt->alist = lappend(cxt->alist, stmt);
+ }
+ }
+ }
}
/*