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Remove unnecessary clauses_attnums variable
Commitc676e659b2
reworked how choose_best_statistics() picks the best extended statistics, but failed to remove clauses_attnums which is now unnecessary. So get rid of it and backpatch to 12, same asc676e659b2
. Author: Tomas Vondra Discussion: https://postgr.es/m/CA+u7OA7H5rcE2=8f263w4NZD6ipO_XOrYB816nuLXbmSTH9pQQ@mail.gmail.com Backpatch-through: 12
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@ -1059,7 +1059,6 @@ statext_mcv_clauselist_selectivity(PlannerInfo *root, List *clauses, int varReli
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RelOptInfo *rel, Bitmapset **estimatedclauses)
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{
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ListCell *l;
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Bitmapset *clauses_attnums = NULL;
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Bitmapset **list_attnums;
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int listidx;
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StatisticExtInfo *stat;
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@ -1097,10 +1096,7 @@ statext_mcv_clauselist_selectivity(PlannerInfo *root, List *clauses, int varReli
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if (!bms_is_member(listidx, *estimatedclauses) &&
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statext_is_compatible_clause(root, clause, rel->relid, &attnums))
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{
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list_attnums[listidx] = attnums;
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clauses_attnums = bms_add_members(clauses_attnums, attnums);
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}
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else
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list_attnums[listidx] = NULL;
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