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Replace the relid in some missing fields during SJE

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Reported-by: Alexander Lakhin
Discussion: https://postgr.es/m/a89f480f-8143-0965-f22d-0a892777f501%40gmail.com
Author: Andrei Lepikhov
This commit is contained in:
Alexander Korotkov
2024-01-02 09:48:50 +02:00
parent 9a17be1e24
commit a7928a57b9
3 changed files with 24 additions and 1 deletions
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5
src/backend/optimizer/plan/analyzejoins.c
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@@ -1866,6 +1866,8 @@ remove_self_join_rel(PlannerInfo *root, PlanRowMark *kmark, PlanRowMark *rmark,
/* Replace varno in all the query structures */
query_tree_walker(root->parse, replace_varno_walker, &ctx,
QTW_EXAMINE_SORTGROUP);
if (root->parse->resultRelation == toRemove->relid)
root->parse->resultRelation = toKeep->relid;
/* Replace links in the planner info */
remove_rel_from_query(root, toRemove, toKeep->relid, NULL, NULL);
@@ -1875,6 +1877,9 @@ remove_self_join_rel(PlannerInfo *root, PlanRowMark *kmark, PlanRowMark *rmark,
toRemove->relid, toKeep->relid);
replace_varno((Node *) root->processed_groupClause,
toRemove->relid, toKeep->relid);
replace_relid(root->all_result_relids, toRemove->relid, toKeep->relid);
replace_relid(root->leaf_result_relids, toRemove->relid, toKeep->relid);
/*
* There may be references to the rel in root->fkey_list, but if so,