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Fix new pg_upgrade query not to rely on regnamespace

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That was invented in 9.5, and pg_upgrade claims to support back to 9.0.
But we don't need that with a simple query change, tested by Tom Lane.

Discussion: https://postgr.es/m/202507041645.afjl5rssvrgu@alvherre.pgsql
This commit is contained in:
Álvaro Herrera
2025-07-04 21:30:05 +02:00
parent ea3386cc78
commit 94dc2b37ba
1 changed files with 4 additions and 3 deletions
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7
src/bin/pg_upgrade/check.c
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@@ -1239,12 +1239,13 @@ check_for_not_null_inheritance(ClusterInfo *cluster)
PGconn *conn = connectToServer(&old_cluster, active_db->db_name);
res = executeQueryOrDie(conn,
"SELECT cc.relnamespace::pg_catalog.regnamespace AS nspname, "
" cc.relname, ac.attname "
"SELECT nspname, cc.relname, ac.attname "
"FROM pg_catalog.pg_inherits i, pg_catalog.pg_attribute ac, "
" pg_catalog.pg_attribute ap, pg_catalog.pg_class cc "
" pg_catalog.pg_attribute ap, pg_catalog.pg_class cc, "
" pg_catalog.pg_namespace nc "
"WHERE cc.oid = ac.attrelid AND i.inhrelid = ac.attrelid "
" AND i.inhparent = ap.attrelid AND ac.attname = ap.attname "
" AND cc.relnamespace = nc.oid "
" AND ap.attnum > 0 and ap.attnotnull AND NOT ac.attnotnull");
ntup = PQntuples(res);