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Diffstat (limited to 'src/backend/optimizer/plan/setrefs.c')
| -rw-r--r-- | src/backend/optimizer/plan/setrefs.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c index 81363589125..fff26555956 100644 --- a/src/backend/optimizer/plan/setrefs.c +++ b/src/backend/optimizer/plan/setrefs.c @@ -3070,6 +3070,21 @@ fix_join_expr_mutator(Node *node, fix_join_expr_context *context) { Var *var = (Var *) node; + /* + * Verify that Vars with non-default varreturningtype only appear in + * the RETURNING list, and refer to the target relation. + */ + if (var->varreturningtype != VAR_RETURNING_DEFAULT) + { + if (context->inner_itlist != NULL || + context->outer_itlist == NULL || + context->acceptable_rel == 0) + elog(ERROR, "variable returning old/new found outside RETURNING list"); + if (var->varno != context->acceptable_rel) + elog(ERROR, "wrong varno %d (expected %d) for variable returning old/new", + var->varno, context->acceptable_rel); + } + /* Look for the var in the input tlists, first in the outer */ if (context->outer_itlist) { |