diff options
Diffstat (limited to 'src/backend/utils/adt/ruleutils.c')
| -rw-r--r-- | src/backend/utils/adt/ruleutils.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c index df5c4865014..82dc849a301 100644 --- a/src/backend/utils/adt/ruleutils.c +++ b/src/backend/utils/adt/ruleutils.c @@ -4940,6 +4940,8 @@ set_deparse_plan(deparse_namespace *dpns, Plan *plan) * For a WorkTableScan, locate the parent RecursiveUnion plan node and use * that as INNER referent. * + * For MERGE, make the inner tlist point to the merge source tlist, which + * is same as the targetlist that the ModifyTable's source plan provides. * For ON CONFLICT .. UPDATE we just need the inner tlist to point to the * excluded expression's tlist. (Similar to the SubqueryScan we don't want * to reuse OUTER, it's used for RETURNING in some modify table cases, @@ -4959,7 +4961,12 @@ set_deparse_plan(deparse_namespace *dpns, Plan *plan) dpns->inner_plan = innerPlan(plan); if (IsA(plan, ModifyTable)) - dpns->inner_tlist = ((ModifyTable *) plan)->exclRelTlist; + { + if (((ModifyTable *) plan)->operation == CMD_MERGE) + dpns->inner_tlist = dpns->outer_plan->targetlist; + else + dpns->inner_tlist = ((ModifyTable *) plan)->exclRelTlist; + } else if (dpns->inner_plan) dpns->inner_tlist = dpns->inner_plan->targetlist; else |