!5691 [master][5.0.2问题同步]修复gs_xlog_keepers在5.0.0升级5.0.2时，系统表中数据存在不同的问题。

Merge pull request !5691 from 何文健/master

src/include/catalog/upgrade_sql/rollback_catalog_maindb/rollback-post_catalog_maindb_92_950.sql

@@ -0,0 +1,7 @@
+DROP FUNCTION IF EXISTS pg_catalog.gs_xlog_keepers(out keeptype pg_catalog.text, out keepsegment pg_catalog.text, out describe pg_catalog.text);
+SET LOCAL inplace_upgrade_next_system_object_oids = IUO_PROC,9040;
+CREATE OR REPLACE FUNCTION pg_catalog.gs_xlog_keepers
+(out keeptype pg_catalog.text,
+out keepsegment pg_catalog.text,
+out describe pg_catalog.text)
+RETURNS SETOF record LANGUAGE INTERNAL VOLATILE STRICT as 'gs_xlog_keepers';

src/include/catalog/upgrade_sql/rollback_catalog_otherdb/rollback-post_catalog_otherdb_92_950.sql

@@ -0,0 +1,7 @@
+DROP FUNCTION IF EXISTS pg_catalog.gs_xlog_keepers(out keeptype pg_catalog.text, out keepsegment pg_catalog.text, out describe pg_catalog.text);
+SET LOCAL inplace_upgrade_next_system_object_oids = IUO_PROC,9040;
+CREATE OR REPLACE FUNCTION pg_catalog.gs_xlog_keepers
+(out keeptype pg_catalog.text,
+out keepsegment pg_catalog.text,
+out describe pg_catalog.text)
+RETURNS SETOF record LANGUAGE INTERNAL VOLATILE STRICT as 'gs_xlog_keepers';

src/include/catalog/upgrade_sql/upgrade_catalog_maindb/upgrade-post_catalog_maindb_92_950.sql

@@ -0,0 +1,7 @@
+DROP FUNCTION IF EXISTS pg_catalog.gs_xlog_keepers() CASCADE;
+SET LOCAL inplace_upgrade_next_system_object_oids = IUO_PROC,9040;
+CREATE OR REPLACE FUNCTION pg_catalog.gs_xlog_keepers
+(out keeptype pg_catalog.text,
+out keepsegment pg_catalog.text,
+out describe pg_catalog.text)
+RETURNS SETOF record LANGUAGE INTERNAL VOLATILE STRICT ROWS 1000 NOT SHIPPABLE as 'gs_xlog_keepers';

src/include/catalog/upgrade_sql/upgrade_catalog_otherdb/upgrade-post_catalog_otherdb_92_950.sql

@@ -0,0 +1,7 @@
+DROP FUNCTION IF EXISTS pg_catalog.gs_xlog_keepers() CASCADE;
+SET LOCAL inplace_upgrade_next_system_object_oids = IUO_PROC,9040;
+CREATE OR REPLACE FUNCTION pg_catalog.gs_xlog_keepers
+(out keeptype pg_catalog.text,
+out keepsegment pg_catalog.text,
+out describe pg_catalog.text)
+RETURNS SETOF record LANGUAGE INTERNAL VOLATILE STRICT ROWS 1000 NOT SHIPPABLE as 'gs_xlog_keepers';