## 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**
* #7271 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.

**Bugfixes**
* #7378 Remove obsolete job referencing policy_job_error_retention
* #7409 Update bgw job table when altering procedure
* #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

**Thanks**
* @bharrisau for reporting the segfault when creating chunks
* @pgloader for reporting an issue an internal background job

CHANGELOG.md

@@ -4,6 +4,34 @@
 `psql` with the `-X` flag to prevent any `.psqlrc` commands from
 accidentally triggering the load of a previous DB version.**
 
+
+## 2.18.0 (2024-11-20)
+
+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**
+* #7271 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.
+
+**Bugfixes**
+* #7378 Remove obsolete job referencing policy_job_error_retention
+* #7409 Update bgw job table when altering procedure
+* #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
+
+**Thanks**
+* @bharrisau for reporting the segfault when creating chunks
+* @pgloader for reporting an issue an internal background job
+
 ## 2.17.2 (2024-11-06)
 
 This release contains bug fixes since the 2.17.1 release. We recommend that you

scripts/merge_changelogs.sh

@@ -5,7 +5,7 @@ set -eu
 # This script build a CHANGELOG.md entry for a new release
 #
 
-REPO="$(readlink -e "$(dirname "${BASH_SOURCE[0]}")/..")"
+REPO="$(greadlink -e "$(dirname "${BASH_SOURCE[0]}")/..")"
 RELEASE_NOTES_HEADER_TEMPLATE="$REPO/scripts/changelog/RELEASE_NOTES_HEADER.md.j2"
 
 echo_changelog() {

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")

sql/updates/2.17.2--2.18.0.sql

@@ -0,0 +1,49 @@
+-- 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);

sql/updates/2.18.0--2.17.2.sql

@@ -0,0 +1,46 @@
+-- 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);

sql/updates/latest-dev.sql

@@ -1,49 +0,0 @@
--- 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);

sql/updates/reverse-dev.sql

@@ -1,46 +0,0 @@
--- 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);

version.config

@@ -1,3 +1,3 @@
-version = 2.18.0-dev
+version = 2.18.0
 update_from_version = 2.17.2
 downgrade_to_version = 2.17.2