Weekly update in TiDB

Last week, we landed 46 PRs in the TiDB repository.

Added

• Add the http API to get database and table information
• Propose the table partition design
• Support creating hash partitioned tables

Improved

• Add missing columns for information_schema.files
• Impose user authentication for unix socket connections
• Redesign the trace statement with JSON output
• Support JSON as the return type for the case expression
• Preallocate the columns array in MutRow to avoid array resizing
• Support subqueries in the Do statement
• Add the memory guard to prevent OOM caused by the plan cache
• Clean up the plan cache entry in the Deallocate statement
• Support ADMIN CHECK TABLE/ADMIN CHECK INDEX using specified tidb_snapshot

Fixed

• Fix incorrect privilege check for the UPDATE statement
• Fix the bootstrap error when the SQL mode is set to ANSI
• Make sure goroutines of HashJoin exit before its Close returns
• Remove partition IDs for partition tables in DROP DATABASE
• Fix the panic caused by EOF when Coprocessor is in the streaming mode

Weekly update in TiSpark

Last week, we landed 2 PRs in the TiSpark repository.

Added

• Support raw partition Read

Weekly update in TiKV and PD

Last week, we landed 20 PRs in the TiKV and PD repositories.

Added

• Support interactive Region scan in pd-ctl
• Add the history index to sync when stream is established
• Add normal index scan benchmarks

Improved

• Improve Region key print
• Move unrelated benchmarks into individual directories
• Check the conf version for split

Fixed

• Fix a deadlock in GetOpInfluence
• Fix the issue that configurations cannot be set to zero values
• Fix go mod tidy in PD

New contributor (Thanks!)

docs-cn: bugwz