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Changelog of Vitess v16.0.1

Bug fixes

Build/CI

  • Fix TestFuzz that hangs on go1.20.1 #12514
  • Fix dubious ownership of git directory in vitess/base Docker build #12530

CLI

  • Purge logs without panicking #12187
  • Fix vtctldclient's Root command to return an error on unknown command #12481

Cluster management

  • Fix initialization code to also stop replication to prevent crash #12534
  • [Backport] Update topo {Get,Create}Keyspace to prevent invalid keyspace names #12732

General

  • Fixing backup tests flakiness #12655
  • [release-16.0] Port two flaky test fixes #12603 and #12546 #12745

Observability

  • Reset the current lag when closing the replication lag reader. #12683

Online DDL

  • Throttler: Store Config in Global Keyspace Topo Record #12520
  • v16: Online DDL: enforce ALGORITHM=COPY on shadow table #12522
  • Mysqld.GetSchema: tolerate tables being dropped while inspecting schema #12641

Query Serving

  • collations: fix sorting in UCA900 collations #12555
  • VSchema DDL: Add grammar to accept qualified table names in Vindex option values #12577
  • [release-16.0] ApplyVSchemaDDL: escape Sequence names when writing the VSchema (#12519) #12599
  • [gen4 planner] Make sure to not push down expressions when not possible #12607
  • Fix panic when executing a prepare statement with over 65,528 parameters #12614
  • Always add columns in the Derived operator #12634
  • planner: fix predicate simplifier #12650
  • [planner bugfix] add expressions to HAVING #12668
  • Use a left join to make sure that tables with tablespace=innodb_system are included in the schema #12672
  • [planner fix] make unknown column an error only for sharded queries #12704

VReplication

  • VStreamer: improve representation of integers in json data types #12630

VTorc

  • Fix unhandled error in VTOrc recoverDeadPrimary #12510

CI/Build

Build/CI

  • [release-16.0] Make upgrade downgrade job names unique #12499

Examples

  • Examples, Flakes: Wait for Shard's VReplication Engine to Open #12560

General

  • [release-16.0] Upgrade the Golang version to go1.20.2 #12723

Online DDL

  • CI: extend timeouts in onlineddl_vrepl due to slow CI runners #12583
  • [release-16.0] CI: increase overall test timeouts for all OnlineDDL tests (#12584) #12589

Enhancement

Build/CI

  • Auto upgrade the Golang version #12585

Internal Cleanup

Build/CI

  • Run launchable only on PRs against main #12694

General

  • Add a known issue into the release notes for xtrabackup and DDLs #12536

Release

Build/CI

  • [release-16.0] Tooling improvements backports #12528

Documentation

  • Re-organize the releasenotes directory into changelog #12566
  • Addition of the v16.0.1 release summary #12751

General

  • Back to dev mode after v16.0.0 #12515
  • Release 16.0 code freeze for 16.0.1 patch release #12762

VTAdmin

  • Add the vtadmin web directory to the release packages #12639

Testing

General

  • Fix fullstatus test for backward compat #12685

VReplication

  • Flakes: Use new healthy shard check in vreplication e2e tests #12502