## 2.18.0

This release contains performance improvements and bug fixes since the 2.17.2 release. We recommend that you upgrade at the next available opportunity. **Features** * timescale#6901 Add hypertable support for transition tables * timescale#7104 Hypercore table access method * timescale#7271 Push down ORDER BY in real time continuous aggregate queries * timescale#7295: Support ALTER TABLE SET ACCESS METHOD on hypertable. * timescale#7390 Disable custom hashagg planner code * timescale#7411 Change parameter name to enable Hypercore TAM * timescale#7412 Add GUC for hypercore_use_access_method default * timescale#7413: Add GUC for segmentwise recompression. * timescale#7443 Add Hypercore function and view aliases * timescale#7455: Support DROP NOT NULL on compressed hypertables * timescale#7486 Prevent building against postgres versions with broken ABI **Bugfixes** * timescale#7378 Remove obsolete job referencing policy_job_error_retention * timescale#7409 Update bgw job table when altering procedure * timescale#7410 "aggregated compressed column not found" error on aggregation query. * timescale#7426 Fix datetime parsing error in chunk constraint creation * timescale#7432 Verify that heap tuple is valid before using * timescale#7434 Fixes segfault when internally set the replica identity for a given chunk * timescale#7488 Emit error for transition table trigger on chunks * timescale#7514 Fix error: invalid child of chunk append **Thanks** * @bharrisau for reporting the segfault when creating chunks * @pgloader for reporting an issue an internal background job * @uasiddiqi for reporting the "aggregated compressed column not found" error.
pallavisontakke · Dec 13, 2024 · 071284f · 071284f
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diff --git a/.unreleased/pr_6901 b/.unreleased/pr_6901
diff --git a/.unreleased/pr_7104 b/.unreleased/pr_7104
diff --git a/.unreleased/pr_7271 b/.unreleased/pr_7271
diff --git a/.unreleased/pr_7295 b/.unreleased/pr_7295
diff --git a/.unreleased/pr_7378 b/.unreleased/pr_7378
diff --git a/.unreleased/pr_7390 b/.unreleased/pr_7390
diff --git a/.unreleased/pr_7409 b/.unreleased/pr_7409
diff --git a/.unreleased/pr_7411 b/.unreleased/pr_7411
diff --git a/.unreleased/pr_7412 b/.unreleased/pr_7412
diff --git a/.unreleased/pr_7413 b/.unreleased/pr_7413
diff --git a/.unreleased/pr_7426 b/.unreleased/pr_7426
diff --git a/.unreleased/pr_7432 b/.unreleased/pr_7432
diff --git a/.unreleased/pr_7434 b/.unreleased/pr_7434
diff --git a/.unreleased/pr_7443 b/.unreleased/pr_7443
diff --git a/.unreleased/pr_7455 b/.unreleased/pr_7455
diff --git a/.unreleased/pr_7486 b/.unreleased/pr_7486
diff --git a/.unreleased/pr_7488 b/.unreleased/pr_7488
diff --git a/.unreleased/pr_7514 b/.unreleased/pr_7514
diff --git a/.unreleased/resolve-vars b/.unreleased/resolve-vars
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,6 +4,42 @@
 `psql` with the `-X` flag to prevent any `.psqlrc` commands from
 accidentally triggering the load of a previous DB version.**
 
+
+## 2.18.0 (2024-12-13)
+
+This release contains performance improvements and bug fixes since
+the 2.17.2 release. We recommend that you upgrade at the next
+available opportunity.
+
+
+**Features**
+* #6901 Add hypertable support for transition tables
+* #7104 Hypercore table access method
+* #7271 Push down ORDER BY in real time continuous aggregate queries
+* #7295: Support ALTER TABLE SET ACCESS METHOD on hypertable.
+* #7390 Disable custom hashagg planner code
+* #7411 Change parameter name to enable Hypercore TAM
+* #7412 Add GUC for hypercore_use_access_method default
+* #7413: Add GUC for segmentwise recompression.
+* #7443 Add Hypercore function and view aliases
+* #7455: Support DROP NOT NULL on compressed hypertables
+* #7486 Prevent building against postgres versions with broken ABI
+
+**Bugfixes**
+* #7378 Remove obsolete job referencing policy_job_error_retention
+* #7409 Update bgw job table when altering procedure
+* #7410 "aggregated compressed column not found" error on aggregation query.
+* #7426 Fix datetime parsing error in chunk constraint creation
+* #7432 Verify that heap tuple is valid before using
+* #7434 Fixes segfault when internally set the replica identity for a given chunk
+* #7488 Emit error for transition table trigger on chunks
+* #7514 Fix error: invalid child of chunk append
+
+**Thanks**
+* @bharrisau for reporting the segfault when creating chunks
+* @pgloader for reporting an issue an internal background job
+* @uasiddiqi for reporting the "aggregated compressed column not found" error.
+
 ## 2.17.2 (2024-11-06)
 
 This release contains bug fixes since the 2.17.1 release. We recommend that you

diff --git a/sql/CMakeLists.txt b/sql/CMakeLists.txt
@@ -45,11 +45,12 @@ set(MOD_FILES
     updates/2.16.0--2.16.1.sql
     updates/2.16.1--2.17.0.sql
     updates/2.17.0--2.17.1.sql
-    updates/2.17.1--2.17.2.sql)
+    updates/2.17.1--2.17.2.sql
+    updates/2.17.2--2.18.0.sql)
 
 # The downgrade file to generate a downgrade script for the current version, as
 # specified in version.config
-set(CURRENT_REV_FILE reverse-dev.sql)
+set(CURRENT_REV_FILE 2.18.0--2.17.2.sql)
 # Files for generating old downgrade scripts. This should only include files for
 # downgrade from one version to its previous version since we do not support
 # skipping versions when downgrading.
@@ -90,7 +91,8 @@ set(OLD_REV_FILES
     2.16.1--2.16.0.sql
     2.17.0--2.16.1.sql
     2.17.1--2.17.0.sql
-    2.17.2--2.17.1.sql)
+    2.17.2--2.17.1.sql
+    2.18.0--2.17.2.sql)
 
 set(MODULE_PATHNAME "$libdir/timescaledb-${PROJECT_VERSION_MOD}")
 set(LOADER_PATHNAME "$libdir/timescaledb")

diff --git a/sql/updates/2.17.2--2.18.0.sql b/sql/updates/2.17.2--2.18.0.sql
@@ -0,0 +1,116 @@
+-- remove obsolete job
+DELETE FROM _timescaledb_config.bgw_job WHERE id = 2;
+
+-- Hypercore updates
+CREATE FUNCTION _timescaledb_debug.is_compressed_tid(tid) RETURNS BOOL
+AS '@MODULE_PATHNAME@', 'ts_update_placeholder' LANGUAGE C STRICT;
+
+DROP FUNCTION IF EXISTS @[email protected]_chunk(uncompressed_chunk REGCLASS,	if_not_compressed BOOLEAN, recompress BOOLEAN);
+
+CREATE FUNCTION @[email protected]_chunk(
+    uncompressed_chunk REGCLASS,
+    if_not_compressed BOOLEAN = true,
+    recompress BOOLEAN = false,
+    hypercore_use_access_method BOOL = NULL
+) RETURNS REGCLASS AS '@MODULE_PATHNAME@', 'ts_update_placeholder' LANGUAGE C VOLATILE;
+
+DROP FUNCTION IF EXISTS @[email protected]_compression_policy(hypertable REGCLASS, compress_after "any", if_not_exists BOOL, schedule_interval INTERVAL, initial_start TIMESTAMPTZ, timezone TEXT, compress_created_before INTERVAL);
+
+CREATE FUNCTION @[email protected]_compression_policy(
+    hypertable REGCLASS,
+    compress_after "any" = NULL,
+    if_not_exists BOOL = false,
+    schedule_interval INTERVAL = NULL,
+    initial_start TIMESTAMPTZ = NULL,
+    timezone TEXT = NULL,
+    compress_created_before INTERVAL = NULL,
+    hypercore_use_access_method BOOL = NULL
+)
+RETURNS INTEGER
+AS '@MODULE_PATHNAME@', 'ts_update_placeholder'
+LANGUAGE C VOLATILE;
+
+DROP FUNCTION IF EXISTS timescaledb_experimental.add_policies(relation REGCLASS, if_not_exists BOOL, refresh_start_offset "any", refresh_end_offset "any", compress_after "any", drop_after "any");
+
+CREATE FUNCTION timescaledb_experimental.add_policies(
+    relation REGCLASS,
+    if_not_exists BOOL = false,
+    refresh_start_offset "any" = NULL,
+    refresh_end_offset "any" = NULL,
+    compress_after "any" = NULL,
+    drop_after "any" = NULL,
+    hypercore_use_access_method BOOL = NULL)
+RETURNS BOOL
+AS '@MODULE_PATHNAME@', 'ts_update_placeholder'
+LANGUAGE C VOLATILE;
+
+DROP PROCEDURE IF EXISTS _timescaledb_functions.policy_compression_execute(job_id INTEGER, htid INTEGER, lag ANYELEMENT, maxchunks INTEGER, verbose_log BOOLEAN, recompress_enabled  BOOLEAN, use_creation_time BOOLEAN);
+
+DROP PROCEDURE IF EXISTS _timescaledb_functions.policy_compression(job_id INTEGER, config JSONB);
+
+CREATE PROCEDURE @[email protected]_to_columnstore(
+    chunk REGCLASS,
+    if_not_columnstore BOOLEAN = true,
+    recompress BOOLEAN = false,
+    hypercore_use_access_method BOOL = NULL)
+AS '@MODULE_PATHNAME@', 'ts_update_placeholder'
+LANGUAGE C;
+
+CREATE PROCEDURE @[email protected]_to_rowstore(
+    chunk REGCLASS,
+    if_columnstore BOOLEAN = true)
+AS '@MODULE_PATHNAME@', 'ts_update_placeholder'
+LANGUAGE C;
+
+CREATE PROCEDURE @[email protected]_columnstore_policy(
+    hypertable REGCLASS,
+    after "any" = NULL,
+    if_not_exists BOOL = false,
+    schedule_interval INTERVAL = NULL,
+    initial_start TIMESTAMPTZ = NULL,
+    timezone TEXT = NULL,
+    created_before INTERVAL = NULL,
+    hypercore_use_access_method BOOL = NULL
+) LANGUAGE C AS '@MODULE_PATHNAME@', 'ts_update_placeholder';
+
+CREATE PROCEDURE @[email protected]_columnstore_policy(
+       hypertable REGCLASS,
+       if_exists BOOL = false
+) LANGUAGE C AS '@MODULE_PATHNAME@', 'ts_update_placeholder';
+
+CREATE FUNCTION @[email protected]_columnstore_stats (hypertable REGCLASS)
+    RETURNS TABLE (
+        chunk_schema name,
+        chunk_name name,
+        compression_status text,
+        before_compression_table_bytes bigint,
+        before_compression_index_bytes bigint,
+        before_compression_toast_bytes bigint,
+        before_compression_total_bytes bigint,
+        after_compression_table_bytes bigint,
+        after_compression_index_bytes bigint,
+        after_compression_toast_bytes bigint,
+        after_compression_total_bytes bigint,
+        node_name name)
+    LANGUAGE SQL
+    STABLE STRICT
+    AS 'SELECT * FROM @[email protected]_compression_stats($1)'
+    SET search_path TO pg_catalog, pg_temp;
+
+CREATE FUNCTION @[email protected]_columnstore_stats (hypertable REGCLASS)
+    RETURNS TABLE (
+        total_chunks bigint,
+        number_compressed_chunks bigint,
+        before_compression_table_bytes bigint,
+        before_compression_index_bytes bigint,
+        before_compression_toast_bytes bigint,
+        before_compression_total_bytes bigint,
+        after_compression_table_bytes bigint,
+        after_compression_index_bytes bigint,
+        after_compression_toast_bytes bigint,
+        after_compression_total_bytes bigint,
+        node_name name)
+    LANGUAGE SQL
+    STABLE STRICT
+    AS 'SELECT * FROM @[email protected]_compression_stats($1)'
+    SET search_path TO pg_catalog, pg_temp;
diff --git a/sql/updates/2.18.0--2.17.2.sql b/sql/updates/2.18.0--2.17.2.sql
@@ -0,0 +1,59 @@
+-- Hypercore AM
+DROP ACCESS METHOD IF EXISTS hypercore_proxy;
+DROP FUNCTION IF EXISTS ts_hypercore_proxy_handler;
+DROP ACCESS METHOD IF EXISTS hypercore;
+DROP FUNCTION IF EXISTS ts_hypercore_handler;
+DROP FUNCTION IF EXISTS _timescaledb_debug.is_compressed_tid;
+
+DROP FUNCTION IF EXISTS @[email protected]_chunk(uncompressed_chunk REGCLASS,	if_not_compressed BOOLEAN, recompress BOOLEAN, hypercore_use_access_method BOOL);
+
+CREATE FUNCTION @[email protected]_chunk(
+    uncompressed_chunk REGCLASS,
+    if_not_compressed BOOLEAN = true,
+    recompress BOOLEAN = false
+) RETURNS REGCLASS AS '@MODULE_PATHNAME@', 'ts_compress_chunk' LANGUAGE C STRICT VOLATILE;
+
+DROP FUNCTION IF EXISTS @[email protected]_compression_policy(hypertable REGCLASS, compress_after "any", if_not_exists BOOL, schedule_interval INTERVAL, initial_start TIMESTAMPTZ, timezone TEXT, compress_created_before INTERVAL, hypercore_use_access_method BOOL);
+
+CREATE FUNCTION @[email protected]_compression_policy(
+    hypertable REGCLASS,
+    compress_after "any" = NULL,
+    if_not_exists BOOL = false,
+    schedule_interval INTERVAL = NULL,
+    initial_start TIMESTAMPTZ = NULL,
+    timezone TEXT = NULL,
+    compress_created_before INTERVAL = NULL
+)
+RETURNS INTEGER
+AS '@MODULE_PATHNAME@', 'ts_policy_compression_add'
+LANGUAGE C VOLATILE;
+
+DROP FUNCTION IF EXISTS timescaledb_experimental.add_policies(relation REGCLASS, if_not_exists BOOL, refresh_start_offset "any", refresh_end_offset "any", compress_after "any", drop_after "any", hypercore_use_access_method BOOL);
+
+CREATE FUNCTION timescaledb_experimental.add_policies(
+    relation REGCLASS,
+    if_not_exists BOOL = false,
+    refresh_start_offset "any" = NULL,
+    refresh_end_offset "any" = NULL,
+    compress_after "any" = NULL,
+    drop_after "any" = NULL)
+RETURNS BOOL
+AS '@MODULE_PATHNAME@', 'ts_policies_add'
+LANGUAGE C VOLATILE;
+
+DROP PROCEDURE IF EXISTS _timescaledb_functions.policy_compression_execute(job_id INTEGER, htid INTEGER, lag ANYELEMENT, maxchunks INTEGER, verbose_log BOOLEAN, recompress_enabled  BOOLEAN, use_creation_time BOOLEAN, useam BOOLEAN);
+
+DROP PROCEDURE IF EXISTS _timescaledb_functions.policy_compression(job_id INTEGER, config JSONB);
+DROP PROCEDURE IF EXISTS @[email protected]_to_columnstore(REGCLASS, BOOLEAN, BOOLEAN, BOOLEAN);
+DROP PROCEDURE IF EXISTS @[email protected]_to_rowstore(REGCLASS, BOOLEAN);
+DROP PROCEDURE IF EXISTS @[email protected]_columnstore_policy(REGCLASS, "any", BOOL, INTERVAL, TIMESTAMPTZ, TEXT, INTERVAL, BOOL);
+DROP PROCEDURE IF EXISTS @[email protected]_columnstore_policy(REGCLASS, BOOL);
+DROP FUNCTION IF EXISTS @[email protected]_columnstore_stats(REGCLASS);
+DROP FUNCTION IF EXISTS @[email protected]_columnstore_stats(REGCLASS);
+
+ALTER EXTENSION timescaledb DROP VIEW timescaledb_information.hypertable_columnstore_settings;
+ALTER EXTENSION timescaledb DROP VIEW timescaledb_information.chunk_columnstore_settings;
+
+DROP VIEW timescaledb_information.hypertable_columnstore_settings;
+DROP VIEW timescaledb_information.chunk_columnstore_settings;
+