diff options
Diffstat (limited to 'src/backend/parser/parse_collate.c')
| -rw-r--r-- | src/backend/parser/parse_collate.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/backend/parser/parse_collate.c b/src/backend/parser/parse_collate.c index bf800f5937b..13e62a20156 100644 --- a/src/backend/parser/parse_collate.c +++ b/src/backend/parser/parse_collate.c @@ -667,6 +667,29 @@ assign_collations_walker(Node *node, assign_collations_context *context) &loccontext); } break; + case T_SubscriptingRef: + { + /* + * The subscripts are treated as independent + * expressions not contributing to the node's + * collation. Only the container, and the source + * expression if any, contribute. (This models + * the old behavior, in which the subscripts could + * be counted on to be integers and thus not + * contribute anything.) + */ + SubscriptingRef *sbsref = (SubscriptingRef *) node; + + assign_expr_collations(context->pstate, + (Node *) sbsref->refupperindexpr); + assign_expr_collations(context->pstate, + (Node *) sbsref->reflowerindexpr); + (void) assign_collations_walker((Node *) sbsref->refexpr, + &loccontext); + (void) assign_collations_walker((Node *) sbsref->refassgnexpr, + &loccontext); + } + break; default: /* |