Add downgrade scripts

src/backend/distributed/sql/downgrades/citus--10.2-1--10.1-1.sql

@@ -1,6 +1,7 @@
 -- citus--10.2-1--10.1-1
 
 #include "../../../columnar/sql/downgrades/columnar--10.2-1--10.1-1.sql"
+#include "../../../timeseries/sql/downgrades/timeseries--10.2-1--10.1-1.sql"
 
 DROP FUNCTION pg_catalog.stop_metadata_sync_to_node(text, integer, bool);
 

src/backend/timeseries/sql/downgrades/timeseries--10.2-1--10.1-1.sql

@@ -0,0 +1,11 @@
+SET search_path TO timeseries;
+
+DROP FUNCTION pg_catalog.create_missing_partitions(regclass,timestamp with time zone,timestamp with time zone);
+DROP FUNCTION pg_catalog.create_timeseries_table(regclass,interval,integer,integer,timestamp with time zone,interval,interval);
+DROP FUNCTION pg_catalog.drop_timeseries_table(regclass);
+DROP FUNCTION pg_catalog.get_missing_partition_ranges(regclass,timestamp with time zone,timestamp with time zone);
+
+DROP TABLE tables;
+
+RESET search_path;
+DROP SCHEMA timeseries;

src/test/regress/expected/multi_extension.out

@@ -94,7 +94,7 @@ FROM pg_depend AS pgd,
 WHERE pgd.refclassid = 'pg_extension'::regclass AND
 	  pgd.refobjid   = pge.oid AND
 	  pge.extname    = 'citus' AND
-	  pgio.schema    NOT IN ('pg_catalog', 'citus', 'citus_internal', 'test', 'columnar')
+	  pgio.schema    NOT IN ('pg_catalog', 'citus', 'citus_internal', 'test', 'columnar', 'timeseries')
 ORDER BY 1, 2;
  type |      identity
 ---------------------------------------------------------------------
@@ -823,7 +823,7 @@ FROM pg_depend AS pgd,
 WHERE pgd.refclassid = 'pg_extension'::regclass AND
 	  pgd.refobjid   = pge.oid AND
 	  pge.extname    = 'citus' AND
-	  pgio.schema    NOT IN ('pg_catalog', 'citus', 'citus_internal', 'test', 'columnar')
+	  pgio.schema    NOT IN ('pg_catalog', 'citus', 'citus_internal', 'test', 'columnar', 'timeseries')
 ORDER BY 1, 2;
  type |      identity
 ---------------------------------------------------------------------

src/test/regress/expected/upgrade_list_citus_objects.out

@@ -221,8 +221,8 @@ ORDER BY 1;
  function worker_save_query_explain_analyze(text,jsonb)
  schema citus
  schema citus_internal
- schema citus_timeseries
  schema columnar
+ schema timeseries
  sequence columnar.storageid_seq
  sequence pg_dist_colocationid_seq
  sequence pg_dist_groupid_seq
@@ -230,7 +230,6 @@ ORDER BY 1;
  sequence pg_dist_placement_placementid_seq
  sequence pg_dist_shardid_seq
  table citus.pg_dist_object
- table timeseries.tables
  table columnar.chunk
  table columnar.chunk_group
  table columnar.options
@@ -246,6 +245,7 @@ ORDER BY 1;
  table pg_dist_rebalance_strategy
  table pg_dist_shard
  table pg_dist_transaction
+ table timeseries.tables
  type citus.distribution_type
  type citus.shard_transfer_mode
  type citus_copy_format

src/test/regress/sql/multi_extension.sql

@@ -92,7 +92,7 @@ FROM pg_depend AS pgd,
 WHERE pgd.refclassid = 'pg_extension'::regclass AND
 	  pgd.refobjid   = pge.oid AND
 	  pge.extname    = 'citus' AND
-	  pgio.schema    NOT IN ('pg_catalog', 'citus', 'citus_internal', 'test', 'columnar')
+	  pgio.schema    NOT IN ('pg_catalog', 'citus', 'citus_internal', 'test', 'columnar', 'timeseries')
 ORDER BY 1, 2;
 
 
@@ -330,7 +330,7 @@ FROM pg_depend AS pgd,
 WHERE pgd.refclassid = 'pg_extension'::regclass AND
 	  pgd.refobjid   = pge.oid AND
 	  pge.extname    = 'citus' AND
-	  pgio.schema    NOT IN ('pg_catalog', 'citus', 'citus_internal', 'test', 'columnar')
+	  pgio.schema    NOT IN ('pg_catalog', 'citus', 'citus_internal', 'test', 'columnar', 'timeseries')
 ORDER BY 1, 2;
 
 -- see incompatible version errors out