Rename worker_modify_identity_columns to worker_adjust_identity_column_seq_ranges.

src/backend/distributed/metadata/metadata_sync.c

@@ -1887,7 +1887,7 @@ SequenceDependencyCommandList(Oid relationId)
 
 /*
  * IdentitySequenceDependencyCommandList generate a command to execute
- * a UDF (WORKER_MODIFY_IDENTITY_COLUMNS) on workers to modify the identity
+ * a UDF (WORKER_ADJUST_IDENTITY_COLUMN_SEQ_RANGES) on workers to modify the identity
  * columns min/max values to produce unique values on workers.
  */
 List *
@@ -1919,7 +1919,7 @@ IdentitySequenceDependencyCommandList(Oid targetRelationId)
 		char *tableName = generate_qualified_relation_name(targetRelationId);
 
 		appendStringInfo(stringInfo,
-						 WORKER_MODIFY_IDENTITY_COLUMNS,
+						 WORKER_ADJUST_IDENTITY_COLUMN_SEQ_RANGES,
 						 quote_literal_cstr(tableName));
 
 

src/backend/distributed/sql/citus--11.2-1--11.3-1.sql

@@ -1,3 +1,3 @@
 -- citus--11.2-1--11.3-1
 #include "udfs/repl_origin_helper/11.3-1.sql"
-#include "udfs/worker_modify_identity_columns/11.3-1.sql"
+#include "udfs/worker_adjust_identity_column_seq_ranges/11.3-1.sql"

src/backend/distributed/sql/downgrades/citus--11.3-1--11.2-1.sql

@@ -2,4 +2,4 @@
 DROP FUNCTION pg_catalog.citus_internal_start_replication_origin_tracking();
 DROP FUNCTION pg_catalog.citus_internal_stop_replication_origin_tracking();
 DROP FUNCTION pg_catalog.citus_internal_is_replication_origin_tracking_active();
-DROP FUNCTION IF EXISTS pg_catalog.worker_modify_identity_columns(regclass);
+DROP FUNCTION IF EXISTS pg_catalog.worker_adjust_identity_column_seq_ranges(regclass);

src/backend/distributed/sql/udfs/worker_adjust_identity_column_seq_ranges/11.3-1.sql

@@ -0,0 +1,7 @@
+CREATE OR REPLACE FUNCTION pg_catalog.worker_adjust_identity_column_seq_ranges(regclass)
+    RETURNS VOID
+    LANGUAGE C STRICT
+    AS 'MODULE_PATHNAME', $$worker_adjust_identity_column_seq_ranges$$;
+COMMENT ON FUNCTION pg_catalog.worker_adjust_identity_column_seq_ranges(regclass)
+    IS 'modify identity column seq ranges to produce globally unique values';
+

src/backend/distributed/sql/udfs/worker_adjust_identity_column_seq_ranges/latest.sql

@@ -0,0 +1,7 @@
+CREATE OR REPLACE FUNCTION pg_catalog.worker_adjust_identity_column_seq_ranges(regclass)
+    RETURNS VOID
+    LANGUAGE C STRICT
+    AS 'MODULE_PATHNAME', $$worker_adjust_identity_column_seq_ranges$$;
+COMMENT ON FUNCTION pg_catalog.worker_adjust_identity_column_seq_ranges(regclass)
+    IS 'modify identity column seq ranges to produce globally unique values';
+

src/backend/distributed/sql/udfs/worker_modify_identity_columns/11.3-1.sql

@@ -1,7 +0,0 @@
-CREATE OR REPLACE FUNCTION pg_catalog.worker_modify_identity_columns(regclass)
-    RETURNS VOID
-    LANGUAGE C STRICT
-    AS 'MODULE_PATHNAME', $$worker_modify_identity_columns$$;
-COMMENT ON FUNCTION pg_catalog.worker_modify_identity_columns(regclass)
-    IS 'modify identity columns to produce globally unique values';
-

src/backend/distributed/sql/udfs/worker_modify_identity_columns/latest.sql

@@ -1,7 +0,0 @@
-CREATE OR REPLACE FUNCTION pg_catalog.worker_modify_identity_columns(regclass)
-    RETURNS VOID
-    LANGUAGE C STRICT
-    AS 'MODULE_PATHNAME', $$worker_modify_identity_columns$$;
-COMMENT ON FUNCTION pg_catalog.worker_modify_identity_columns(regclass)
-    IS 'modify identity columns to produce globally unique values';
-

src/backend/distributed/worker/worker_data_fetch_protocol.c

@@ -70,7 +70,7 @@ static void AlterSequenceMinMax(Oid sequenceId, char *schemaName, char *sequence
 PG_FUNCTION_INFO_V1(worker_apply_shard_ddl_command);
 PG_FUNCTION_INFO_V1(worker_apply_inter_shard_ddl_command);
 PG_FUNCTION_INFO_V1(worker_apply_sequence_command);
-PG_FUNCTION_INFO_V1(worker_modify_identity_columns);
+PG_FUNCTION_INFO_V1(worker_adjust_identity_column_seq_ranges);
 PG_FUNCTION_INFO_V1(worker_append_table_to_shard);
 PG_FUNCTION_INFO_V1(worker_nextval);
 
@@ -135,13 +135,13 @@ worker_apply_inter_shard_ddl_command(PG_FUNCTION_ARGS)
 
 
 /*
- * worker_modify_identity_columns takes a table oid, runs an ALTER SEQUENCE statement
+ * worker_adjust_identity_column_seq_ranges takes a table oid, runs an ALTER SEQUENCE statement
  * for each identity column to adjust the minvalue and maxvalue of the sequence owned by
  * identity column such that the sequence creates globally unique values.
  * We use table oid instead of sequence name to avoid any potential conflicts between sequences of different tables. This way, we can safely iterate through identity columns on a specific table without any issues. While this may introduce a small amount of business logic to workers, it's a much safer approach overall.
  */
 Datum
-worker_modify_identity_columns(PG_FUNCTION_ARGS)
+worker_adjust_identity_column_seq_ranges(PG_FUNCTION_ARGS)
 {
 	CheckCitusVersion(ERROR);
 

src/include/distributed/metadata_sync.h

@@ -147,8 +147,8 @@ extern void SyncDeleteColocationGroupToNodes(uint32 colocationId);
 	"placementid = EXCLUDED.placementid"
 #define METADATA_SYNC_CHANNEL "metadata_sync"
 
-#define WORKER_MODIFY_IDENTITY_COLUMNS \
-	"SELECT pg_catalog.worker_modify_identity_columns(%s)"
+#define WORKER_ADJUST_IDENTITY_COLUMN_SEQ_RANGES \
+	"SELECT pg_catalog.worker_adjust_identity_column_seq_ranges(%s)"
 
 /* controlled via GUC */
 extern char *EnableManualMetadataChangesForUser;

src/test/regress/expected/multi_extension.out

@@ -1365,7 +1365,7 @@ SELECT * FROM multi_extension.print_extension_changes();
                  | function citus_internal_is_replication_origin_tracking_active() boolean
                  | function citus_internal_start_replication_origin_tracking() void
                  | function citus_internal_stop_replication_origin_tracking() void
-                 | function worker_modify_identity_columns(regclass) void
+                 | function worker_adjust_identity_column_seq_ranges(regclass) void
 (4 rows)
 
 DROP TABLE multi_extension.prev_objects, multi_extension.extension_diff;

src/test/regress/expected/upgrade_list_citus_objects.out

@@ -251,7 +251,7 @@ ORDER BY 1;
  function worker_fix_pre_citus10_partitioned_table_constraint_names(regclass,bigint,text)
  function worker_hash("any")
  function worker_last_saved_explain_analyze()
- function worker_modify_identity_columns(regclass)
+ function worker_adjust_identity_column_seq_ranges(regclass)
  function worker_nextval(regclass)
  function worker_partial_agg(oid,anyelement)
  function worker_partial_agg_ffunc(internal)