Add compatibility view for chunk_constraint

Author: svenklemm

cmake/ScriptFiles.cmake

@@ -44,6 +44,7 @@ set(SOURCE_FILES
     uuidv7.sql
     ts_stats.sql
     views.sql
+    views_compat.sql
     views_experimental.sql
     gapfill.sql
     compression.sql

sql/views.sql

@@ -424,10 +424,6 @@ AS SELECT * FROM timescaledb_information.hypertable_compression_settings;
 CREATE OR REPLACE VIEW timescaledb_information.chunk_columnstore_settings AS
 SELECT * FROM timescaledb_information.chunk_compression_settings;
 
---temporary alias for bgw_job
-CREATE OR REPLACE VIEW _timescaledb_config.bgw_job AS
-SELECT * from _timescaledb_catalog.bgw_job;
-
 -- chunk statistics view
 CREATE OR REPLACE VIEW timescaledb_information.stat_chunk_activity AS
 SELECT
@@ -496,6 +492,4 @@ LEFT JOIN _timescaledb_catalog.chunk c
        ON format('%I.%I', c.schema_name, c.table_name)::regclass = o.uncompressed_relid
 LEFT JOIN _timescaledb_catalog.hypertable h ON h.id = c.hypertable_id;
 
-
-GRANT SELECT ON ALL TABLES IN SCHEMA _timescaledb_config TO PUBLIC;
 GRANT SELECT ON ALL TABLES IN SCHEMA timescaledb_information TO PUBLIC;

sql/views_compat.sql

@@ -0,0 +1,18 @@
+-- This file and its contents are licensed under the Apache License 2.0.
+-- Please see the included NOTICE for copyright information and
+-- LICENSE-APACHE for a copy of the license.
+
+-- temporary views for compatibility
+
+CREATE OR REPLACE VIEW _timescaledb_config.bgw_job AS
+SELECT * from _timescaledb_catalog.bgw_job;
+
+CREATE OR REPLACE VIEW _timescaledb_catalog.chunk_constraint AS
+SELECT
+  chunk_id,
+  id AS dimension_slice_id,
+  format('constraint_%s',id) AS constraint_name,
+  NULL::text AS hypertable_constraint_name from _timescaledb_catalog.dimension_slice;
+
+GRANT SELECT ON ALL TABLES IN SCHEMA _timescaledb_config TO PUBLIC;
+GRANT SELECT ON ALL TABLES IN SCHEMA _timescaledb_catalog TO PUBLIC;