diff --git a/changelog/19.0/19.0.0/changelog.md b/changelog/19.0/19.0.0/changelog.md index 28f2b1fef0b..8c7a9223a18 100644 --- a/changelog/19.0/19.0.0/changelog.md +++ b/changelog/19.0/19.0.0/changelog.md @@ -6,13 +6,16 @@ ### Bug fixes #### Backup and Restore * MysqlCtl: implement missing `ReadBinlogFilesTimestamps` function [#14525](https://github.com/vitessio/vitess/pull/14525) - * Replication: Have the DB flavor process waiting for a pos [#14745](https://github.com/vitessio/vitess/pull/14745) + * Replication: Have the DB flavor process waiting for a pos [#14745](https://github.com/vitessio/vitess/pull/14745) + * [release-19.0 backport] Mysqld: capture mysqlbinlog std error output (#15278) [#15379](https://github.com/vitessio/vitess/pull/15379) #### Build/CI * Update create_release.sh [#14492](https://github.com/vitessio/vitess/pull/14492) * Set minimal tokens for auto_approve_pr [#14534](https://github.com/vitessio/vitess/pull/14534) * Run Go deps upgrade every week [#14910](https://github.com/vitessio/vitess/pull/14910) #### CLI - * Fix anonymous paths in cobra code-gen [#14185](https://github.com/vitessio/vitess/pull/14185) + * Fix anonymous paths in cobra code-gen [#14185](https://github.com/vitessio/vitess/pull/14185) + * [release-19.0] Fix some binaries to print the versions (#15306) [#15310](https://github.com/vitessio/vitess/pull/15310) + * [release-19.0] tablet: remove max-waiters setting (#15323) [#15325](https://github.com/vitessio/vitess/pull/15325) #### Cluster management * Fix Panic in PRS due to a missing nil check [#14656](https://github.com/vitessio/vitess/pull/14656) * Fix hearbeatWriter Close being stuck if waiting for a semi-sync ACK [#14823](https://github.com/vitessio/vitess/pull/14823) @@ -27,7 +30,8 @@ * evalengine: Handle zero dates correctly [#14610](https://github.com/vitessio/vitess/pull/14610) * evalengine: Fix the min / max calculation for decimals [#14614](https://github.com/vitessio/vitess/pull/14614) * evalengine: Fix week overflow [#14859](https://github.com/vitessio/vitess/pull/14859) - * evalengine: Return evalTemporal types for current date / time [#15079](https://github.com/vitessio/vitess/pull/15079) + * evalengine: Return evalTemporal types for current date / time [#15079](https://github.com/vitessio/vitess/pull/15079) + * mysql/datetime: Improve TIME parsing logic [#15135](https://github.com/vitessio/vitess/pull/15135) #### Examples * examples: fix flag syntax for zkctl [#14469](https://github.com/vitessio/vitess/pull/14469) #### General @@ -40,7 +44,8 @@ #### Online DDL * Online DDL: timeouts for all gRPC calls [#14182](https://github.com/vitessio/vitess/pull/14182) * OnlineDDL: fix scenarios where migration hangs instead of directly failing [#14290](https://github.com/vitessio/vitess/pull/14290) - * schemadiff: fix missing `DROP CONSTRAINT` in duplicate/redundant constraints scenario. [#14387](https://github.com/vitessio/vitess/pull/14387) + * schemadiff: fix missing `DROP CONSTRAINT` in duplicate/redundant constraints scenario. [#14387](https://github.com/vitessio/vitess/pull/14387) + * [release-19.0] VReplication/OnlineDDL: reordering enum values (#15103) [#15352](https://github.com/vitessio/vitess/pull/15352) #### Query Serving * bugfix: use the proper interface for comment directives [#14267](https://github.com/vitessio/vitess/pull/14267) * evalengine: Use the right unknown type to initialize [#14313](https://github.com/vitessio/vitess/pull/14313) @@ -53,6 +58,7 @@ * vtgate/engine: Fix race condition in join logic [#14435](https://github.com/vitessio/vitess/pull/14435) * Bug fix: Use target tablet from health stats cache when checking replication status [#14436](https://github.com/vitessio/vitess/pull/14436) * Ensure hexval and int don't share BindVar after Normalization [#14451](https://github.com/vitessio/vitess/pull/14451) + * Make connection killing resilient to MySQL hangs [#14500](https://github.com/vitessio/vitess/pull/14500) * planbuilder bugfix: expose columns through derived tables [#14501](https://github.com/vitessio/vitess/pull/14501) * Fix missing query serving error code [#14520](https://github.com/vitessio/vitess/pull/14520) * Fix type coercion in cascading non-literal updates [#14524](https://github.com/vitessio/vitess/pull/14524) @@ -82,7 +88,22 @@ * Fix `buffer_drain_concurrency` not doing anything [#15042](https://github.com/vitessio/vitess/pull/15042) * Copy expression types to avoid weight_strings and derived tables [#15069](https://github.com/vitessio/vitess/pull/15069) * Improve efficiency and accuracy of mysqld.GetVersionString [#15096](https://github.com/vitessio/vitess/pull/15096) - * mysql: Ensure we set up the initial collation correctly [#15115](https://github.com/vitessio/vitess/pull/15115) + * mysql: Ensure we set up the initial collation correctly [#15115](https://github.com/vitessio/vitess/pull/15115) + * make sure to handle unsupported collations well [#15134](https://github.com/vitessio/vitess/pull/15134) + * [release-19.0] make sure to handle unsupported collations well [#15143](https://github.com/vitessio/vitess/pull/15143) + * [release-19.0] fix: ignore internal tables in schema tracking (#15141) [#15147](https://github.com/vitessio/vitess/pull/15147) + * [release-19.0] Planner Bug: Joins inside derived table (#14974) [#15177](https://github.com/vitessio/vitess/pull/15177) + * [release-19.0] TxThrottler: dont throttle unless lag (#14789) [#15196](https://github.com/vitessio/vitess/pull/15196) + * [release-19.0] bugfix: wrong field type returned for SUM (#15192) [#15206](https://github.com/vitessio/vitess/pull/15206) + * [release-19.0] Avoid rewriting unsharded queries and split semantic analysis in two (#15217) [#15230](https://github.com/vitessio/vitess/pull/15230) + * [release-19.0] Fix Delete with multi-tables related by foreign keys (#15218) [#15255](https://github.com/vitessio/vitess/pull/15255) + * [release-19.0] sqlparser: use integers instead of literals for Length/Precision (#15256) [#15269](https://github.com/vitessio/vitess/pull/15269) + * [release-19.0] Fix Go routine leaks in streaming calls (#15293) [#15301](https://github.com/vitessio/vitess/pull/15301) + * [release-19.0] planner: support union statements with ctes (#15312) [#15324](https://github.com/vitessio/vitess/pull/15324) + * [release-19.0] Column alias expanding on ORDER BY (#15302) [#15329](https://github.com/vitessio/vitess/pull/15329) + * [release-19.0] go/vt/discovery: use protobuf getters for SrvVschema (#15343) [#15346](https://github.com/vitessio/vitess/pull/15346) + * [release-19.0] SHOW VITESS_REPLICATION_STATUS: Only use replication tracker when it's enabled (#15348) [#15362](https://github.com/vitessio/vitess/pull/15362) + * [release-19.0] Bugfix: GROUP BY/HAVING alias resolution (#15344) [#15377](https://github.com/vitessio/vitess/pull/15377) #### Schema Tracker * discovery: fix crash with nil server vschema [#15086](https://github.com/vitessio/vitess/pull/15086) #### TabletManager @@ -92,7 +113,8 @@ * mysqlctl: Error out on stale socket [#14650](https://github.com/vitessio/vitess/pull/14650) #### Throttler * Throttler: set timeouts on gRPC communication and on topo communication [#14165](https://github.com/vitessio/vitess/pull/14165) - * examples: rm heartbeat flags [#14980](https://github.com/vitessio/vitess/pull/14980) + * examples: rm heartbeat flags [#14980](https://github.com/vitessio/vitess/pull/14980) + * [release-19.0] Throttler: fix nil pointer dereference error (#15180) [#15181](https://github.com/vitessio/vitess/pull/15181) #### Topology * Ignore non-Shard keys in FindAllShardsInKeyspace List impl [#15117](https://github.com/vitessio/vitess/pull/15117) #### VReplication @@ -110,11 +132,21 @@ * VReplication: Update singular workflow in traffic switcher [#14826](https://github.com/vitessio/vitess/pull/14826) * Flakes: Fix flaky vtctl unit test TestMoveTables [#14886](https://github.com/vitessio/vitess/pull/14886) * VReplication: send unique key name to `rowstreamer`, which can then use with `FORCE INDEX` [#14916](https://github.com/vitessio/vitess/pull/14916) - * VDiff: Make max diff duration upgrade/downgrade safe [#14995](https://github.com/vitessio/vitess/pull/14995) + * VDiff: Make max diff duration upgrade/downgrade safe [#14995](https://github.com/vitessio/vitess/pull/14995) + * [release-19.0] VReplication: disable foreign_key_checks for bulk data cleanup (#15261) [#15265](https://github.com/vitessio/vitess/pull/15265) + * [release-19.0] VReplication: Make Target Sequence Initialization More Robust (#15289) [#15308](https://github.com/vitessio/vitess/pull/15308) +#### VTCombo + * [release-19.0] Correctly set log_dir default in vtcombo (#15153) [#15155](https://github.com/vitessio/vitess/pull/15155) #### vtctl * VReplication: Add missing info to vtctldclient workflow SHOW output [#14225](https://github.com/vitessio/vitess/pull/14225) #### vtctldclient - * vtctldclient: Apply tablet type filtering for keyspace+shard in GetTablets [#14467](https://github.com/vitessio/vitess/pull/14467) + * vtctldclient: Apply tablet type filtering for keyspace+shard in GetTablets [#14467](https://github.com/vitessio/vitess/pull/14467) +#### vtexplain + * [release-19.0] vtexplain: Fix setting up the column information (#15275) [#15282](https://github.com/vitessio/vitess/pull/15282) + * [release-19.0] vtexplain: Ensure memory topo is set up for throttler (#15279) [#15285](https://github.com/vitessio/vitess/pull/15285) +#### vttestserver + * [release-19.0] Revert unwanted logging change to `vttestserver` (#15148) [#15150](https://github.com/vitessio/vitess/pull/15150) + * [release-19.0] use proper mysql version in the `vttestserver` images (#15235) [#15239](https://github.com/vitessio/vitess/pull/15239) ### CI/Build #### Backup and Restore * Incremental backup: fix race condition in reading 'mysqlbinlog' output [#14330](https://github.com/vitessio/vitess/pull/14330) @@ -124,7 +156,9 @@ * fix: build on delete operator [#14833](https://github.com/vitessio/vitess/pull/14833) * CI: Adjust FOSSA API secret name [#14918](https://github.com/vitessio/vitess/pull/14918) * CI: Tweak our code coverage profile behavior [#14967](https://github.com/vitessio/vitess/pull/14967) - * Fix relevant files listing for `endtoend` CI [#15104](https://github.com/vitessio/vitess/pull/15104) + * Fix relevant files listing for `endtoend` CI [#15104](https://github.com/vitessio/vitess/pull/15104) + * [release-19.0] Remove concurrency group for check labels workflow (#15197) [#15209](https://github.com/vitessio/vitess/pull/15209) + * [release-19.0] Update toolchain version in go.mod (#15245) [#15246](https://github.com/vitessio/vitess/pull/15246) #### Docker * Vitess MySQL Docker Image [#14158](https://github.com/vitessio/vitess/pull/14158) * Build and push Docker `vitess/vttestserver` DockerHub from GitHub Actions [#14314](https://github.com/vitessio/vitess/pull/14314) @@ -136,7 +170,9 @@ * [main] Upgrade the Golang version to `go1.21.3` [#14231](https://github.com/vitessio/vitess/pull/14231) * [main] Upgrade the Golang version to `go1.21.4` [#14488](https://github.com/vitessio/vitess/pull/14488) * [main] Upgrade the Golang version to `go1.21.5` [#14689](https://github.com/vitessio/vitess/pull/14689) - * connpool: fix racy test [#14731](https://github.com/vitessio/vitess/pull/14731) + * connpool: fix racy test [#14731](https://github.com/vitessio/vitess/pull/14731) + * [release-19.0] Upgrade the Golang version to `go1.22.0` [#15169](https://github.com/vitessio/vitess/pull/15169) + * [release-19.0] Upgrade the Golang version to `go1.22.1` [#15406](https://github.com/vitessio/vitess/pull/15406) #### Online DDL * onlineddl_vrepl_stress: fix flakiness caused by timeouts [#14295](https://github.com/vitessio/vitess/pull/14295) * OnlineDDL: reduce vrepl_stress workload in forks [#14302](https://github.com/vitessio/vitess/pull/14302) @@ -181,7 +217,9 @@ * CI: Re-enable FOSSA scan and add Codecov [#14333](https://github.com/vitessio/vitess/pull/14333) * Automatic approval of `vitess-bot` clean backports [#14352](https://github.com/vitessio/vitess/pull/14352) * Tell shellcheck to follow sourced files [#14377](https://github.com/vitessio/vitess/pull/14377) - * Add step to static check to ensure consistency of GHA workflows [#14724](https://github.com/vitessio/vitess/pull/14724) + * Add step to static check to ensure consistency of GHA workflows [#14724](https://github.com/vitessio/vitess/pull/14724) + * Add `release-19.0` to the auto go upgrade [#15157](https://github.com/vitessio/vitess/pull/15157) + * [release-19.0] Update paths filter action (#15254) [#15264](https://github.com/vitessio/vitess/pull/15264) #### CLI * VReplication: Add traffic state to vtctldclient workflow status output [#14280](https://github.com/vitessio/vitess/pull/14280) * vtctldclient,grpcvtctldserver ApplySchema: return unknown params from grpcvtctldserver.ApplySchema, log them in vtctldclient.ApplySchema [#14672](https://github.com/vitessio/vitess/pull/14672) @@ -193,7 +231,8 @@ * Take replication lag into account while selecting primary candidate [#14634](https://github.com/vitessio/vitess/pull/14634) * Postpone waiting for dba grants after restore has succeeded [#14680](https://github.com/vitessio/vitess/pull/14680) * vtctldclient: --strict rejects unknown vindex params in ApplyVSchema [#14862](https://github.com/vitessio/vitess/pull/14862) - * Respect tolerable replication lag even when the new primary has been provided in PRS [#15090](https://github.com/vitessio/vitess/pull/15090) + * Respect tolerable replication lag even when the new primary has been provided in PRS [#15090](https://github.com/vitessio/vitess/pull/15090) + * [release-19.0] go/vt/wrangler: pass reparent options structs (#15251) [#15286](https://github.com/vitessio/vitess/pull/15286) #### Docker * Build and push Docker `vitess/lite` to DockerHub from GitHub Actions [#14243](https://github.com/vitessio/vitess/pull/14243) * Build and push Docker `vitess/base` and component images to DockerHub from GitHub Actions [#14271](https://github.com/vitessio/vitess/pull/14271) @@ -295,6 +334,8 @@ ### Feature Request #### Build/CI * Automatically update the Golang dependencies using a CRON [#14891](https://github.com/vitessio/vitess/pull/14891) +#### Cluster management + * [release-19.0] [vtctldclient] Add GetShardReplication (#15389) [#15390](https://github.com/vitessio/vitess/pull/15390) #### Evalengine * evalengine: implement AggregateEvalTypes [#15085](https://github.com/vitessio/vitess/pull/15085) #### Query Serving @@ -306,7 +347,10 @@ * Multi Table Delete Support: join with reference table [#14784](https://github.com/vitessio/vitess/pull/14784) * `schemadiff`: `EnumReorderStrategy`, checking if enum or set values change ordinal [#15106](https://github.com/vitessio/vitess/pull/15106) #### VReplication - * Provide subset of shards for certain VReplication Commands [#14873](https://github.com/vitessio/vitess/pull/14873) + * Provide subset of shards for certain VReplication Commands [#14873](https://github.com/vitessio/vitess/pull/14873) +#### VTAdmin + * vtadmin onlineddl endpoints [#15114](https://github.com/vitessio/vitess/pull/15114) + * [release-19.0] vtadmin onlineddl endpoints (#15114) [#15144](https://github.com/vitessio/vitess/pull/15144) ### Internal Cleanup #### Backup and Restore * vtbackup: Fix copy pasta typo in option description [#14664](https://github.com/vitessio/vitess/pull/14664) @@ -387,7 +431,8 @@ * refactor: remove more errors from operator planning [#14767](https://github.com/vitessio/vitess/pull/14767) * Change variable name for better readability [#14771](https://github.com/vitessio/vitess/pull/14771) * go/cache: use generics and remove unused API [#14850](https://github.com/vitessio/vitess/pull/14850) - * Export `convertMySQLVersionToCommentVersion` to use it in vitess-operator [#14988](https://github.com/vitessio/vitess/pull/14988) + * Export `convertMySQLVersionToCommentVersion` to use it in vitess-operator [#14988](https://github.com/vitessio/vitess/pull/14988) + * [release-19.0] schemadiff: Clean up MySQL version from diff hints (#15210) [#15213](https://github.com/vitessio/vitess/pull/15213) #### TabletManager * logging: log time taken for tablet initialization only once [#14597](https://github.com/vitessio/vitess/pull/14597) * Replace use of `WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS` with `WAIT_FOR_EXECUTED_GTID_SET` [#14612](https://github.com/vitessio/vitess/pull/14612) @@ -403,7 +448,8 @@ #### Evalengine * Tiny Weights [#14402](https://github.com/vitessio/vitess/pull/14402) #### General - * Replace usages of bytes.Buffer with strings.Builder [#14539](https://github.com/vitessio/vitess/pull/14539) + * Replace usages of bytes.Buffer with strings.Builder [#14539](https://github.com/vitessio/vitess/pull/14539) + * [release-19.0] prevent vtctld from creating tons of S3 connections (#15296) [#15401](https://github.com/vitessio/vitess/pull/15401) #### Query Serving * Improved Connection Pooling [#14034](https://github.com/vitessio/vitess/pull/14034) * schemadiff: improved heuristic for dependent migration permutation evaluation time [#14249](https://github.com/vitessio/vitess/pull/14249) @@ -425,6 +471,11 @@ * add foreign key as part of set statement when reserved connection is needed [#14696](https://github.com/vitessio/vitess/pull/14696) * fix: insert on duplicate key update missing BindVars [#14728](https://github.com/vitessio/vitess/pull/14728) * Subquery inside aggregration function [#14844](https://github.com/vitessio/vitess/pull/14844) + * [release-19.0] Fix routing rule query rewrite (#15253) [#15259](https://github.com/vitessio/vitess/pull/15259) +#### Throttler + * [release-19.0] Enable 'heartbeat_on_demand_duration' in local/examples (#15204) [#15292](https://github.com/vitessio/vitess/pull/15292) +#### vttestserver + * [release-19.0] Fix logging issue when running in Docker with the syslog daemon disabled (#15176) [#15186](https://github.com/vitessio/vitess/pull/15186) ### Release #### CLI * [main] Add vtctldclient info to the 18.0 summary (#14259) [#14265](https://github.com/vitessio/vitess/pull/14265) @@ -440,6 +491,9 @@ * v18.0.1 release notes to main [#14579](https://github.com/vitessio/vitess/pull/14579) * port release notes of v18.0.2, v17.0.5 and v16.0.7 to main [#14840](https://github.com/vitessio/vitess/pull/14840) * [release-19.0] Code Freeze for `v19.0.0-RC1` [#15137](https://github.com/vitessio/vitess/pull/15137) + * [release-19.0] Release of `v19.0.0-RC1` [#15139](https://github.com/vitessio/vitess/pull/15139) + * [release-19.0] Bump to `v19.0.0-SNAPSHOT` after the `v19.0.0-RC1` release [#15165](https://github.com/vitessio/vitess/pull/15165) + * [release-19.0] Code Freeze for `v19.0.0` [#15358](https://github.com/vitessio/vitess/pull/15358) ### Testing #### Backup and Restore * Add a retry to remove the vttablet directory during upgrade/downgrade backup tests [#14753](https://github.com/vitessio/vitess/pull/14753) @@ -486,7 +540,8 @@ * tests: add tests for `go/mathstats` [#15054](https://github.com/vitessio/vitess/pull/15054) * Added tests for the go/vt/callinfo package [#15059](https://github.com/vitessio/vitess/pull/15059) * Added tests for the vt/logz package [#15060](https://github.com/vitessio/vitess/pull/15060) - * Add required tests for `go/tb` [#15063](https://github.com/vitessio/vitess/pull/15063) + * Add required tests for `go/tb` [#15063](https://github.com/vitessio/vitess/pull/15063) + * [release-19.0] modernize various tests (#15184) [#15198](https://github.com/vitessio/vitess/pull/15198) #### Query Serving * Fix data race in `TestWarmingReads` [#14187](https://github.com/vitessio/vitess/pull/14187) * vtgate: Allow more errors for the warning check [#14421](https://github.com/vitessio/vitess/pull/14421) @@ -509,7 +564,8 @@ * Flaky TestFKExtWorkflow: fix Foreign Key stress test flakiness [#14714](https://github.com/vitessio/vitess/pull/14714) * Some VReplication e2e Refactoring [#14735](https://github.com/vitessio/vitess/pull/14735) * Test: Take test host/runner specs into account for VDiff diff duration test [#14868](https://github.com/vitessio/vitess/pull/14868) - * vtctldclient CLI validation: Add e2e test to check that options to the vtctldclient commands are supported [#14957](https://github.com/vitessio/vitess/pull/14957) + * vtctldclient CLI validation: Add e2e test to check that options to the vtctldclient commands are supported [#14957](https://github.com/vitessio/vitess/pull/14957) + * [release-19.0] VtctldClient Reshard: add e2e tests to confirm CLI options and fix discovered issues. (#15353) [#15364](https://github.com/vitessio/vitess/pull/15364) #### vtctl * Reduce flakiness in TestShardReplicationPositions [#14708](https://github.com/vitessio/vitess/pull/14708) diff --git a/changelog/19.0/19.0.0/release_notes.md b/changelog/19.0/19.0.0/release_notes.md index 404deaf6bc0..98603d4240a 100644 --- a/changelog/19.0/19.0.0/release_notes.md +++ b/changelog/19.0/19.0.0/release_notes.md @@ -4,29 +4,29 @@ ### Table of Contents - **[Major Changes](#major-changes)** - - **[Dropping Support for MySQL 5.7](#drop-support-mysql57)** - - **[Deprecations and Deletions](#deprecations-and-deletions)** - - [VTTablet Flags](#vttablet-flags) - - [Docker Image vitess/lite](#deprecation-vitess-lite-mysqld) - - [Explain Statement Format](#explain-stmt-format) - - **[Breaking Changes](#breaking-changes)** - - [ExecuteFetchAsDBA rejects multi-statement SQL](#execute-fetch-as-dba-reject-multi) - - **[New Stats](#new-stats)** - - [Stream Consolidations](#stream-consolidations) - - [Build Version in `/debug/vars`](#build-version-in-debug-vars) - - **[Planned Reparent Shard](#planned-reparent-shard)** - - [`--tolerable-replication-lag` Sub-flag](#tolerable-repl-lag) - - **[Query Compatibility](#query-compatibility)** - - [Multi Table Delete Support](#multi-table-delete) - - [`SHOW VSCHEMA KEYSPACES` Query](#show-vschema-keyspaces) - - [`FOREIGN_KEY_CHECKS` is now a Vitess Aware Variable](#fk-checks-vitess-aware) - - [Explain Statement](#explain-statement) - - [Partial Multi-shard Commit Warnings](#partial-multi-shard-commit-warnings) - - [New Lock Syntax](#lock-syntax) - - [Support for AVG()](#avg-support) - - [Support for non-recursive CTEs](#cte-support) - - **[Vttestserver](#vttestserver)** - - [`--vtcombo-bind-host` flag](#vtcombo-bind-host) + - **[Dropping Support for MySQL 5.7](#drop-support-mysql57)** + - **[Deprecations and Deletions](#deprecations-and-deletions)** + - [VTTablet Flags](#vttablet-flags) + - [Docker Image vitess/lite](#deprecation-vitess-lite-mysqld) + - [Explain Statement Format](#explain-stmt-format) + - **[Breaking Changes](#breaking-changes)** + - [ExecuteFetchAsDBA rejects multi-statement SQL](#execute-fetch-as-dba-reject-multi) + - **[New Stats](#new-stats)** + - [Stream Consolidations](#stream-consolidations) + - [Build Version in `/debug/vars`](#build-version-in-debug-vars) + - **[Planned Reparent Shard](#planned-reparent-shard)** + - [`--tolerable-replication-lag` Sub-flag](#tolerable-repl-lag) + - **[Query Compatibility](#query-compatibility)** + - [Multi Table Delete Support](#multi-table-delete) + - [`SHOW VSCHEMA KEYSPACES` Query](#show-vschema-keyspaces) + - [`FOREIGN_KEY_CHECKS` is now a Vitess Aware Variable](#fk-checks-vitess-aware) + - [Explain Statement](#explain-statement) + - [Partial Multi-shard Commit Warnings](#partial-multi-shard-commit-warnings) + - [New Lock Syntax](#lock-syntax) + - [Support for AVG()](#avg-support) + - [Support for non-recursive CTEs](#cte-support) + - **[Vttestserver](#vttestserver)** + - [`--vtcombo-bind-host` flag](#vtcombo-bind-host) - **[Minor Changes](#minor-changes)** - **[Apply VSchema](#apply-vschema)** - [`--strict` sub-flag and `strict` gRPC field](#strict-flag-and-field) @@ -48,7 +48,7 @@ Vitess will however, continue to support importing from MySQL 5.7 into Vitess ev #### VTTablet Flags - The following flags — which were deprecated in Vitess 7.0 — have been removed: - `--vreplication_healthcheck_topology_refresh`, `--vreplication_healthcheck_retry_delay`, and `--vreplication_healthcheck_timeout`. +`--vreplication_healthcheck_topology_refresh`, `--vreplication_healthcheck_retry_delay`, and `--vreplication_healthcheck_timeout`. - The `--vreplication_tablet_type` flag is now deprecated and ignored. #### Docker Image vitess/lite @@ -158,7 +158,7 @@ mysql> show vschema keyspaces; #### `FOREIGN_KEY_CHECKS` is now a Vitess Aware Variable -When VTGate receives a query to change the `FOREIGN_KEY_CHECKS` value for a session, instead of sending the value down to MySQL, VTGate now keeps track of the value and changes the queries by adding `SET_VAR(FOREIGN_KEY_CHECKS=On/Off)` style query optimizer hints wherever required. +When VTGate receives a query to change the `FOREIGN_KEY_CHECKS` value for a session, instead of sending the value down to MySQL, VTGate now keeps track of the value and changes the queries by adding `SET_VAR(FOREIGN_KEY_CHECKS=On/Off)` style query optimizer hints wherever required. #### Explain Statement @@ -203,7 +203,7 @@ Vtgate can now evaluate `AVG` on sharded keyspaces, by using a combination of `S ### Support for non-recursive CTEs -Common table expressions that are not recursive can now be used. +Common table expressions that are not recursive can now be used. ```sql with userCount as ( @@ -220,10 +220,10 @@ from ref join userCount on ref.user_id = userCount.id A new sub-flag `--strict` has been added to the command `ApplyVSchema` `vtctl` command that produces an error if unknown params are found in any Vindexes. An equivalent `strict` field has been added to the `ApplyVSchema` gRPC `vtctld` command. - +------------ The entire changelog for this release can be found [here](https://github.com/vitessio/vitess/blob/main/changelog/19.0/19.0.0/changelog.md). -The release includes 412 merged Pull Requests. +The release includes 461 merged Pull Requests. Thanks to all our contributors: @ChaitanyaD48, @EshaanAgg, @FirePing32, @GuptaManan100, @Its-Maniaco, @Maniktherana, @Manni-99, @MrFabio, @VaibhavMalik4187, @ajm188, @aparajon, @app/dependabot, @app/github-actions, @app/vitess-bot, @aquarapid, @arthurschreiber, @austenLacy, @beingnoble03, @brendar, @davidpiegza, @dbussink, @deepthi, @derekperkins, @ejortegau, @frouioui, @gerayking, @glokta1, @harshit-gangal, @iheanyi, @jwangace, @lixin963, @mattlord, @mattrobenolt, @maxenglander, @mcrauwel, @mdlayher, @olyazavr, @pbibra, @pnacht, @rajivharlalka, @ravicodelabs, @rbranson, @rohit-nayak-ps, @samanthadrago, @shlomi-noach, @skullface, @systay, @testwill, @tycol7, @vmg, @wangweicugw, @williammartin, @wlx5575