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Fix downgrade files for 2.3.1

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The cagg rebuild was required for a fix introduced in 2.3.1 but
was not removed from reverse-dev.sql when that version got released.
This commit is contained in:
Sven Klemm 2021-07-27 14:17:22 +02:00 committed by Sven Klemm
parent bad2fc14e2
commit ded8e82ebb
3 changed files with 30 additions and 30 deletions

3
sql/CMakeLists.txt

@ -28,7 +28,8 @@ set(MOD_FILES
updates/2.2.1--2.3.0.sql
updates/2.3.0--2.3.1.sql)
# Files for downgrade scripts.
# Files for downgrade scripts. This should only include files for downgrade to
# previous version since we do not support skipping versions when downgrading
set(REV_FILES)
set(MODULE_PATHNAME "$libdir/timescaledb-${PROJECT_VERSION_MOD}")

28
sql/updates/2.3.1--2.3.0.sql Normal file

@ -0,0 +1,28 @@
-- We need to rewrite all continuous aggregates to make sure that the
-- queries do not contain qualification. They will be re-written in
-- the post-update script as well, but the previous version does not
-- process all continuous aggregates, leaving some with qualification
-- for the standard functions. To make this work, we need to
-- temporarily set the update stage to the post-update stage, which
-- will allow the ALTER MATERIALIZED VIEW to rewrite the query. If
-- that is not done, the TimescaleDB-specific hooks will not be used
-- and you will get an error message saying that, for example,
-- `conditions_summary` is not a materialized view.
SET timescaledb.update_script_stage TO 'post';
DO $$
DECLARE
vname regclass;
materialized_only bool;
altercmd text;
ts_version TEXT;
BEGIN
FOR vname, materialized_only IN select format('%I.%I', cagg.user_view_schema, cagg.user_view_name)::regclass, cagg.materialized_only from _timescaledb_catalog.continuous_agg cagg
LOOP
altercmd := format('ALTER MATERIALIZED VIEW %s SET (timescaledb.materialized_only=%L) ', vname::text, materialized_only);
EXECUTE altercmd;
END LOOP;
EXCEPTION WHEN OTHERS THEN RAISE;
END
$$;
RESET timescaledb.update_script_stage;

29
sql/updates/reverse-dev.sql

@ -2,32 +2,3 @@ DROP SCHEMA IF EXISTS timescaledb_experimental CASCADE;
DROP FUNCTION IF EXISTS _timescaledb_internal.block_new_chunks;
DROP FUNCTION IF EXISTS _timescaledb_internal.allow_new_chunks;
DROP FUNCTION IF EXISTS _timescaledb_internal.refresh_continuous_aggregate;
-- We need to rewrite all continuous aggregates to make sure that the
-- queries do not contain qualification. They will be re-written in
-- the post-update script as well, but the previous version does not
-- process all continuous aggregates, leaving some with qualification
-- for the standard functions. To make this work, we need to
-- temporarily set the update stage to the post-update stage, which
-- will allow the ALTER MATERIALIZED VIEW to rewrite the query. If
-- that is not done, the TimescaleDB-specific hooks will not be used
-- and you will get an error message saying that, for example,
-- `conditions_summary` is not a materialized view.
SET timescaledb.update_script_stage TO 'post';
DO $$
DECLARE
vname regclass;
materialized_only bool;
altercmd text;
ts_version TEXT;
BEGIN
FOR vname, materialized_only IN select format('%I.%I', cagg.user_view_schema, cagg.user_view_name)::regclass, cagg.materialized_only from _timescaledb_catalog.continuous_agg cagg
LOOP
altercmd := format('ALTER MATERIALIZED VIEW %s SET (timescaledb.materialized_only=%L) ', vname::text, materialized_only);
EXECUTE altercmd;
END LOOP;
EXCEPTION WHEN OTHERS THEN RAISE;
END
$$;
RESET timescaledb.update_script_stage;