Release 2.3.1

**Bugfixes**
* #3279 Add some more randomness to chunk assignment
* #3288 Fix failed update with parallel workers
* #3300 Improve trigger handling on distributed hypertables
* #3304 Remove paths that reference parent relids for compressed chunks
* #3305 Fix pull_varnos miscomputation of relids set
* #3310 Generate downgrade script
* #3314 Fix heap buffer overflow in hypertable expansion
* #3317 Fix heap buffer overflow in remote connection cache.
* #3327 Make aggregate in caggs fully qualified
* #3327 Make aggregates in caggs fully qualified
* #3336 Fix pg_init_privs objsubid handling
* #3345 Fix SkipScan distinct column identification
* #3355 Fix heap buffer overflow when renaming compressed hypertable columns.
* #3367 Improve DecompressChunk qual pushdown
* #3377 Fix bad use of repalloc

**Thanks**
* @db-adrian for reporting an issue when accessing cagg view through postgres_fdw
* @fncaldas and @pgwhalen for reporting an issue accessing caggs when public is not in search_path
* @fvannee, @mglonnro and @ebreijo for reporting an issue with the upgrade script
* @fvannee for reporting a performance regression with SkipScan

CHANGELOG.md

@@ -4,14 +4,24 @@
 `psql` with the `-X` flag to prevent any `.psqlrc` commands from
 accidentally triggering the load of a previous DB version.**
 
-## Unreleased
+## 2.3.1 (2021-07-05)
 
 **Bugfixes**
+* #3279 Add some more randomness to chunk assignment
+* #3288 Fix failed update with parallel workers
+* #3300 Improve trigger handling on distributed hypertables
+* #3304 Remove paths that reference parent relids for compressed chunks
 * #3305 Fix pull_varnos miscomputation of relids set
+* #3310 Generate downgrade script
+* #3314 Fix heap buffer overflow in hypertable expansion
+* #3317 Fix heap buffer overflow in remote connection cache.
+* #3327 Make aggregate in caggs fully qualified
 * #3327 Make aggregates in caggs fully qualified
 * #3336 Fix pg_init_privs objsubid handling
 * #3345 Fix SkipScan distinct column identification
+* #3355 Fix heap buffer overflow when renaming compressed hypertable columns.
 * #3367 Improve DecompressChunk qual pushdown
+* #3377 Fix bad use of repalloc
 
 **Thanks**
 * @db-adrian for reporting an issue when accessing cagg view through postgres_fdw

sql/CMakeLists.txt

@@ -25,10 +25,11 @@ set(MOD_FILES
     updates/2.1.0--2.1.1.sql
     updates/2.1.1--2.2.0.sql
     updates/2.2.0--2.2.1.sql
-    updates/2.2.1--2.3.0.sql)
+    updates/2.2.1--2.3.0.sql
+    updates/2.3.0--2.3.1.sql)
 
 # Files for downgrade scripts.
-set(REV_FILES)
+set(REV_FILES updates/2.3.1--2.3.0.sql)
 
 set(MODULE_PATHNAME "$libdir/timescaledb-${PROJECT_VERSION_MOD}")
 set(LOADER_PATHNAME "$libdir/timescaledb")

sql/updates/2.3.0--2.3.1.sql

@@ -0,0 +1,5 @@
+CREATE SCHEMA IF NOT EXISTS timescaledb_experimental;
+GRANT USAGE ON SCHEMA timescaledb_experimental TO PUBLIC;
+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;

sql/updates/2.3.1--2.3.0.sql

@@ -0,0 +1,33 @@
+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;
+

sql/updates/latest-dev.sql

@@ -1,5 +0,0 @@
-CREATE SCHEMA IF NOT EXISTS timescaledb_experimental;
-GRANT USAGE ON SCHEMA timescaledb_experimental TO PUBLIC;
-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;

sql/updates/reverse-dev.sql

@@ -1,33 +0,0 @@
-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;
-

version.config

@@ -1,2 +1,2 @@
 version = 2.4.0-dev
-update_from_version = 2.3.0
+update_from_version = 2.3.1