diff options
Diffstat (limited to 'src/backend/utils/adt/ruleutils.c')
| -rw-r--r-- | src/backend/utils/adt/ruleutils.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c index f1c1d04ee09..b5437612a92 100644 --- a/src/backend/utils/adt/ruleutils.c +++ b/src/backend/utils/adt/ruleutils.c @@ -2174,15 +2174,17 @@ set_deparse_planstate(deparse_namespace *dpns, PlanState *ps) dpns->planstate = ps; /* - * We special-case Append to pretend that the first child plan is the - * OUTER referent; we have to interpret OUTER Vars in the Append's tlist - * according to one of the children, and the first one is the most natural - * choice. Likewise special-case ModifyTable to pretend that the first - * child plan is the OUTER referent; this is to support RETURNING lists - * containing references to non-target relations. + * We special-case Append and MergeAppend to pretend that the first child + * plan is the OUTER referent; we have to interpret OUTER Vars in their + * tlists according to one of the children, and the first one is the most + * natural choice. Likewise special-case ModifyTable to pretend that the + * first child plan is the OUTER referent; this is to support RETURNING + * lists containing references to non-target relations. */ if (IsA(ps, AppendState)) dpns->outer_planstate = ((AppendState *) ps)->appendplans[0]; + else if (IsA(ps, MergeAppendState)) + dpns->outer_planstate = ((MergeAppendState *) ps)->mergeplans[0]; else if (IsA(ps, ModifyTableState)) dpns->outer_planstate = ((ModifyTableState *) ps)->mt_plans[0]; else |