Made DROP FUNCTION commands idempotent

Author: bricklenclickup

sql/pg-microsharding-down.sql

@@ -1,19 +1,20 @@
-DROP FUNCTION microsharding_active_shards_();
-DROP FUNCTION microsharding_advisory_lock_();
-DROP FUNCTION microsharding_debug_fdw_create(text, text[]);
-DROP FUNCTION microsharding_debug_fdw_drop(text);
-DROP FUNCTION microsharding_debug_fdw_schemas_(text);
-DROP FUNCTION microsharding_debug_views_create(text, text);
-DROP FUNCTION microsharding_debug_views_drop(text);
-DROP FUNCTION microsharding_do_on_each(text);
-DROP FUNCTION microsharding_ensure_absent(integer, integer);
-DROP FUNCTION microsharding_ensure_active_shards_(text[]);
-DROP FUNCTION microsharding_ensure_active(integer, integer);
-DROP FUNCTION microsharding_ensure_exist(integer, integer);
-DROP FUNCTION microsharding_ensure_inactive(integer, integer);
-DROP FUNCTION microsharding_fmt_(text, integer);
-DROP FUNCTION microsharding_list_active_shards();
-DROP FUNCTION microsharding_migration_after(text, text, text);
-DROP FUNCTION microsharding_migration_before(text);
-DROP FUNCTION microsharding_notice_locks_(text, timestamptz);
-DROP FUNCTION microsharding_schema_name_(integer);
+DROP FUNCTION IF EXISTS microsharding_active_shards_();
+DROP FUNCTION IF EXISTS microsharding_advisory_lock_();
+DROP FUNCTION IF EXISTS microsharding_debug_fdw_create(text, text[]);
+DROP FUNCTION IF EXISTS microsharding_debug_fdw_drop(text);
+DROP FUNCTION IF EXISTS microsharding_debug_fdw_schemas_(text);
+DROP FUNCTION IF EXISTS microsharding_debug_views_create(text, text);
+DROP FUNCTION IF EXISTS microsharding_debug_views_drop(text);
+DROP FUNCTION IF EXISTS microsharding_do_on_each(text);
+DROP FUNCTION IF EXISTS microsharding_ensure_absent(integer, integer);
+DROP FUNCTION IF EXISTS microsharding_ensure_active_shards_(text[]);
+DROP FUNCTION IF EXISTS microsharding_ensure_active(integer, integer);
+DROP FUNCTION IF EXISTS microsharding_ensure_exist(integer, integer);
+DROP FUNCTION IF EXISTS microsharding_ensure_exist(integer, integer, varchar);
+DROP FUNCTION IF EXISTS microsharding_ensure_inactive(integer, integer);
+DROP FUNCTION IF EXISTS microsharding_fmt_(text, integer);
+DROP FUNCTION IF EXISTS microsharding_list_active_shards();
+DROP FUNCTION IF EXISTS microsharding_migration_after(text, text, text);
+DROP FUNCTION IF EXISTS microsharding_migration_before(text);
+DROP FUNCTION IF EXISTS microsharding_notice_locks_(text, timestamptz);
+DROP FUNCTION IF EXISTS microsharding_schema_name_(integer);