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Add index on pg_publication_rel.prpubid

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This should have been added for the benefit of GetPublicationRelations;
let's add it now.

I couldn't measure a performance difference in the TAP tests, but that
may be because the tests use very few publications.

Discussion: https://postgr.es/m/202201120041.p24wvsfcsope@alvherre.pgsql
This commit is contained in:
Alvaro Herrera 2022-01-12 16:23:42 -03:00
parent 134d974636
commit 025b920a3d
No known key found for this signature in database
GPG Key ID: 1C20ACB9D5C564AE
3 changed files with 3 additions and 2 deletions
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2
src/backend/catalog/pg_publication.c
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@ -494,7 +494,7 @@ GetPublicationRelations(Oid pubid, PublicationPartOpt pub_partopt)
BTEqualStrategyNumber, F_OIDEQ,
ObjectIdGetDatum(pubid));
scan = systable_beginscan(pubrelsrel, PublicationRelPrrelidPrpubidIndexId,
scan = systable_beginscan(pubrelsrel, PublicationRelPrpubidIndexId,
true, NULL, 1, &scankey);
result = NIL;

2
src/include/catalog/catversion.h
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@ -53,6 +53,6 @@
*/
/* yyyymmddN */
#define CATALOG_VERSION_NO 202112131
#define CATALOG_VERSION_NO 202201121
#endif

1
src/include/catalog/pg_publication_rel.h
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@ -42,5 +42,6 @@ typedef FormData_pg_publication_rel *Form_pg_publication_rel;
DECLARE_UNIQUE_INDEX_PKEY(pg_publication_rel_oid_index, 6112, PublicationRelObjectIndexId, on pg_publication_rel using btree(oid oid_ops));
DECLARE_UNIQUE_INDEX(pg_publication_rel_prrelid_prpubid_index, 6113, PublicationRelPrrelidPrpubidIndexId, on pg_publication_rel using btree(prrelid oid_ops, prpubid oid_ops));
DECLARE_INDEX(pg_publication_rel_prpubid_index, 6116, PublicationRelPrpubidIndexId, on pg_publication_rel using btree(prpubid oid_ops));
#endif /* PG_PUBLICATION_REL_H */