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Release 2.4.2
This release contains bug fixes since the 2.4.1 release. We deem it high priority to upgrade. **Bugfixes** * #3437 Rename on all continuous aggregate objects * #3469 Use signal-safe functions in signal handler * #3520 Modify compression job processing logic * #3527 Fix time_bucket_ng behaviour with origin argument * #3532 Fix bootstrap with regresschecks disabled * #3574 Fix failure on job execution by background worker * #3590 Call cleanup functions on backend exit **Thanks** * @jankatins for reporting a crash with background workers * @LutzWeischerFujitsu for reporting an issue with bootstrap
This commit is contained in:
Sven Klemm
Sven Klemm
parent
592e0bd46e
commit
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18
CHANGELOG.md
18
CHANGELOG.md
@ -4,6 +4,24 @@
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`psql` with the `-X` flag to prevent any `.psqlrc` commands from
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accidentally triggering the load of a previous DB version.**
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## 2.4.2 (2021-09-21)
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This release contains bug fixes since the 2.4.1 release.
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We deem it high priority to upgrade.
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**Bugfixes**
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* #3437 Rename on all continuous aggregate objects
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* #3469 Use signal-safe functions in signal handler
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* #3520 Modify compression job processing logic
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* #3527 Fix time_bucket_ng behaviour with origin argument
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* #3532 Fix bootstrap with regresschecks disabled
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* #3574 Fix failure on job execution by background worker
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* #3590 Call cleanup functions on backend exit
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**Thanks**
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* @jankatins for reporting a crash with background workers
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* @LutzWeischerFujitsu for reporting an issue with bootstrap
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## 2.4.1 (2021-08-19)
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This release contains bug fixes since the 2.4.0 release. We deem it
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@ -28,7 +28,8 @@ set(MOD_FILES
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updates/2.2.1--2.3.0.sql
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updates/2.3.0--2.3.1.sql
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updates/2.3.1--2.4.0.sql
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updates/2.4.0--2.4.1.sql)
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updates/2.4.0--2.4.1.sql
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updates/2.4.1--2.4.2.sql)
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# Files for downgrade scripts. This should only include files for downgrade to
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# previous version since we do not support skipping versions when downgrading
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84
sql/updates/2.4.1--2.4.2.sql
Normal file
84
sql/updates/2.4.1--2.4.2.sql
Normal file
@ -0,0 +1,84 @@
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DROP FUNCTION IF EXISTS _timescaledb_internal.time_col_name_for_chunk(name,name);
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DROP FUNCTION IF EXISTS _timescaledb_internal.time_col_type_for_chunk(name,name);
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-- Handle column renames for continuous aggregates that were not
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-- handled correctly and fix it in the update. We save the information
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-- in a table.
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CREATE UNLOGGED TABLE rename_tables (
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user_view regclass,
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new_name text,
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old_name text,
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partial_view regclass,
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direct_view regclass,
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mat_table regclass,
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hypertable_id int
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);
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-- Compare the user view and the direct view of each continuous
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-- aggregate to figure out what columns that were renamed on the user
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-- view but which did not propagate to the other objects of the
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-- continuous aggregate since this did not work in previous versions.
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WITH
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objs AS (
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SELECT format('%I.%I', user_view_schema, user_view_name)::regclass AS user_view,
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format('%I.%I', direct_view_schema, direct_view_name)::regclass AS direct_view,
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format('%I.%I', partial_view_schema, partial_view_name)::regclass AS partial_view,
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format('%I.%I', schema_name, table_name)::regclass AS mat_table,
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mat_hypertable_id AS mat_id
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FROM _timescaledb_catalog.continuous_agg
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JOIN _timescaledb_catalog.hypertable ON mat_hypertable_id = id),
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user_view AS (
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SELECT attrelid, attname, attnum, mat_id
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FROM objs, pg_attribute
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WHERE attrelid = objs.user_view),
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direct_view AS (
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SELECT attrelid, attname, attnum, mat_id
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FROM objs, pg_attribute
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WHERE attrelid = objs.direct_view)
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INSERT INTO rename_tables
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SELECT (SELECT user_view FROM objs WHERE uv.attrelid = user_view),
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uv.attname AS new_name,
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dv.attname AS old_name,
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(SELECT partial_view FROM objs WHERE uv.attrelid = user_view),
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(SELECT direct_view FROM objs WHERE uv.attrelid = user_view),
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(SELECT mat_table FROM objs WHERE uv.attrelid = user_view),
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(SELECT mat_id FROM objs WHERE uv.attrelid = user_view)
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FROM user_view uv JOIN direct_view dv USING (mat_id, attnum)
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WHERE uv.attname != dv.attname;
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CREATE PROCEDURE alter_table_column(cagg regclass, relation regclass, old_column_name name, new_column_name name) AS $$
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BEGIN
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EXECUTE format('ALTER TABLE %s RENAME COLUMN %I TO %I', relation, old_column_name, new_column_name);
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END;
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$$ LANGUAGE plpgsql;
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-- Rename the columns for all the associated objects for continuous
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-- aggregates that have renamed columns. Also rename the column in the
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-- dimension table.
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DO
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$$
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DECLARE
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user_view regclass;
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new_name name;
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old_name name;
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partial_view regclass;
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direct_view regclass;
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mat_table regclass;
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ht_id int;
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BEGIN
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FOR user_view, new_name, old_name, partial_view, direct_view, mat_table, ht_id IN
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SELECT * FROM rename_tables
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LOOP
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-- There is no RENAME COLUMN for views, but we can use ALTER TABLE
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-- to rename a column in a view.
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CALL alter_table_column(user_view, partial_view, old_name, new_name);
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CALL alter_table_column(user_view, direct_view, old_name, new_name);
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CALL alter_table_column(user_view, mat_table, old_name, new_name);
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UPDATE _timescaledb_catalog.dimension SET column_name = new_name
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WHERE hypertable_id = ht_id AND column_name = old_name;
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END LOOP;
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END
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$$;
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DROP PROCEDURE alter_table_column;
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DROP TABLE rename_tables;
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@ -1,84 +0,0 @@
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DROP FUNCTION _timescaledb_internal.time_col_name_for_chunk(name,name);
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DROP FUNCTION _timescaledb_internal.time_col_type_for_chunk(name,name);
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-- Handle column renames for continuous aggregates that were not
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-- handled correctly and fix it in the update. We save the information
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-- in a table.
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CREATE UNLOGGED TABLE rename_tables (
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user_view regclass,
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new_name text,
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old_name text,
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partial_view regclass,
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direct_view regclass,
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mat_table regclass,
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hypertable_id int
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);
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-- Compare the user view and the direct view of each continuous
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-- aggregate to figure out what columns that were renamed on the user
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-- view but which did not propagate to the other objects of the
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-- continuous aggregate since this did not work in previous versions.
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WITH
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objs AS (
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SELECT format('%I.%I', user_view_schema, user_view_name)::regclass AS user_view,
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format('%I.%I', direct_view_schema, direct_view_name)::regclass AS direct_view,
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format('%I.%I', partial_view_schema, partial_view_name)::regclass AS partial_view,
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format('%I.%I', schema_name, table_name)::regclass AS mat_table,
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mat_hypertable_id AS mat_id
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FROM _timescaledb_catalog.continuous_agg
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JOIN _timescaledb_catalog.hypertable ON mat_hypertable_id = id),
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user_view AS (
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SELECT attrelid, attname, attnum, mat_id
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FROM objs, pg_attribute
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WHERE attrelid = objs.user_view),
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direct_view AS (
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SELECT attrelid, attname, attnum, mat_id
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FROM objs, pg_attribute
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WHERE attrelid = objs.direct_view)
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INSERT INTO rename_tables
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SELECT (SELECT user_view FROM objs WHERE uv.attrelid = user_view),
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uv.attname AS new_name,
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dv.attname AS old_name,
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(SELECT partial_view FROM objs WHERE uv.attrelid = user_view),
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(SELECT direct_view FROM objs WHERE uv.attrelid = user_view),
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(SELECT mat_table FROM objs WHERE uv.attrelid = user_view),
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(SELECT mat_id FROM objs WHERE uv.attrelid = user_view)
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FROM user_view uv JOIN direct_view dv USING (mat_id, attnum)
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WHERE uv.attname != dv.attname;
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CREATE PROCEDURE alter_table_column(cagg regclass, relation regclass, old_column_name name, new_column_name name) AS $$
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BEGIN
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EXECUTE format('ALTER TABLE %s RENAME COLUMN %I TO %I', relation, old_column_name, new_column_name);
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END;
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$$ LANGUAGE plpgsql;
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-- Rename the columns for all the associated objects for continuous
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-- aggregates that have renamed columns. Also rename the column in the
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-- dimension table.
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DO
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$$
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DECLARE
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user_view regclass;
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new_name name;
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old_name name;
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partial_view regclass;
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direct_view regclass;
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mat_table regclass;
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ht_id int;
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BEGIN
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FOR user_view, new_name, old_name, partial_view, direct_view, mat_table, ht_id IN
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SELECT * FROM rename_tables
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LOOP
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-- There is no RENAME COLUMN for views, but we can use ALTER TABLE
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-- to rename a column in a view.
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CALL alter_table_column(user_view, partial_view, old_name, new_name);
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CALL alter_table_column(user_view, direct_view, old_name, new_name);
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CALL alter_table_column(user_view, mat_table, old_name, new_name);
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UPDATE _timescaledb_catalog.dimension SET column_name = new_name
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WHERE hypertable_id = ht_id AND column_name = old_name;
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END LOOP;
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END
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$$;
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DROP PROCEDURE alter_table_column;
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DROP TABLE rename_tables;
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@ -1,3 +1,3 @@
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version = 2.5.0-dev
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update_from_version = 2.4.1
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update_from_version = 2.4.2
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downgrade_to_version = 2.4.1
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