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Set procost to 10 for each of the pg_foo_is_visible() functions.
The idea here is to make sure the planner will evaluate these functions last not first among the filter conditions in psql pattern search and tab-completion queries. We've discussed this several times, and there was consensus to do it back in August, but we didn't want to do it just before a release. Now seems like a safer time. No catversion bump, since this catalog change doesn't create a backend incompatibility nor any regression test result changes.
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‎src/include/catalog/pg_proc.h‎

Lines changed: 12 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -2908,29 +2908,29 @@ DESCR("view two-phase transactions");
29082908
DATA(insert OID = 3537 ( pg_describe_object PGNSP PGUID 12 1 0 0 0 f f f f t f s 3 0 25 "26 26 23" _null_ _null_ _null_ _null_ pg_describe_object _null_ _null_ _null_ ));
29092909
DESCR("get identification of SQL object");
29102910

2911-
DATA(insert OID = 2079 ( pg_table_is_visible PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_table_is_visible _null_ _null_ _null_ ));
2911+
DATA(insert OID = 2079 ( pg_table_is_visible PGNSP PGUID 12 10 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_table_is_visible _null_ _null_ _null_ ));
29122912
DESCR("is table visible in search path?");
2913-
DATA(insert OID = 2080 ( pg_type_is_visible PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_type_is_visible _null_ _null_ _null_ ));
2913+
DATA(insert OID = 2080 ( pg_type_is_visible PGNSP PGUID 12 10 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_type_is_visible _null_ _null_ _null_ ));
29142914
DESCR("is type visible in search path?");
2915-
DATA(insert OID = 2081 ( pg_function_is_visible PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_function_is_visible _null_ _null_ _null_ ));
2915+
DATA(insert OID = 2081 ( pg_function_is_visible PGNSP PGUID 12 10 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_function_is_visible _null_ _null_ _null_ ));
29162916
DESCR("is function visible in search path?");
2917-
DATA(insert OID = 2082 ( pg_operator_is_visible PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_operator_is_visible _null_ _null_ _null_ ));
2917+
DATA(insert OID = 2082 ( pg_operator_is_visible PGNSP PGUID 12 10 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_operator_is_visible _null_ _null_ _null_ ));
29182918
DESCR("is operator visible in search path?");
2919-
DATA(insert OID = 2083 ( pg_opclass_is_visible PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_opclass_is_visible _null_ _null_ _null_ ));
2919+
DATA(insert OID = 2083 ( pg_opclass_is_visible PGNSP PGUID 12 10 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_opclass_is_visible _null_ _null_ _null_ ));
29202920
DESCR("is opclass visible in search path?");
2921-
DATA(insert OID = 3829 ( pg_opfamily_is_visible PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_opfamily_is_visible _null_ _null_ _null_ ));
2921+
DATA(insert OID = 3829 ( pg_opfamily_is_visible PGNSP PGUID 12 10 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_opfamily_is_visible _null_ _null_ _null_ ));
29222922
DESCR("is opfamily visible in search path?");
2923-
DATA(insert OID = 2093 ( pg_conversion_is_visible PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_conversion_is_visible _null_ _null_ _null_ ));
2923+
DATA(insert OID = 2093 ( pg_conversion_is_visible PGNSP PGUID 12 10 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_conversion_is_visible _null_ _null_ _null_ ));
29242924
DESCR("is conversion visible in search path?");
2925-
DATA(insert OID = 3756 ( pg_ts_parser_is_visible PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_ts_parser_is_visible _null_ _null_ _null_ ));
2925+
DATA(insert OID = 3756 ( pg_ts_parser_is_visible PGNSP PGUID 12 10 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_ts_parser_is_visible _null_ _null_ _null_ ));
29262926
DESCR("is text search parser visible in search path?");
2927-
DATA(insert OID = 3757 ( pg_ts_dict_is_visible PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_ts_dict_is_visible _null_ _null_ _null_ ));
2927+
DATA(insert OID = 3757 ( pg_ts_dict_is_visible PGNSP PGUID 12 10 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_ts_dict_is_visible _null_ _null_ _null_ ));
29282928
DESCR("is text search dictionary visible in search path?");
2929-
DATA(insert OID = 3768 ( pg_ts_template_is_visible PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_ts_template_is_visible _null_ _null_ _null_ ));
2929+
DATA(insert OID = 3768 ( pg_ts_template_is_visible PGNSP PGUID 12 10 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_ts_template_is_visible _null_ _null_ _null_ ));
29302930
DESCR("is text search template visible in search path?");
2931-
DATA(insert OID = 3758 ( pg_ts_config_is_visible PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_ts_config_is_visible _null_ _null_ _null_ ));
2931+
DATA(insert OID = 3758 ( pg_ts_config_is_visible PGNSP PGUID 12 10 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_ts_config_is_visible _null_ _null_ _null_ ));
29322932
DESCR("is text search configuration visible in search path?");
2933-
DATA(insert OID = 3815 ( pg_collation_is_visible PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_collation_is_visible _null_ _null_ _null_ ));
2933+
DATA(insert OID = 3815 ( pg_collation_is_visible PGNSP PGUID 12 10 0 0 0 f f f f t f s 1 0 16 "26" _null_ _null_ _null_ _null_ pg_collation_is_visible _null_ _null_ _null_ ));
29342934
DESCR("is collation visible in search path?");
29352935

29362936
DATA(insert OID = 2854 ( pg_my_temp_schema PGNSP PGUID 12 1 0 0 0 f f f f t f s 0 0 26 "" _null_ _null_ _null_ _null_ pg_my_temp_schema _null_ _null_ _null_ ));

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