Weekly update in TiDB

Last week, we landed 65 PRs in the TiDB repository.

Added

• Add trace support for the AllocAutoIncrementValue function
• Add the json_array_insert built-in function
• Add metrics for fast Analyze
• Add the SHOW TABLE REGIONS syntax
• Add the ADMIN CLEANUP TABLE LOCK syntax for support

Improved

• Do not split the index when creating tables
• Improve the logic of data loading in batch
• Refine the error messages in unsupported column options
• Support the dynamic enable/disable plugins
• Support subqueries in the SHOW statement

Fixed

• Fix a bug of point get when meeting null values
• Fix a bug of the insert on duplicate update statement on the partitioned table
• Fix a bug of union scan on the partitioned table
• Fix the data race for the rand function
• Handle the explain analyze panic when processing the explain analyze insert ... select statements
• Fix a bug for int column <cmp> non-int constant
• Fix the privilege check for show create user current_user()
• Fix the issue that index join fails to correctly handle the index with prefix length
• Fix a bug when pruning columns for TableDual
• Fix the incorrect weekday for the ALLOW_INVALID_DATES mode
• Fix an error in the update privilege

Weekly update in TiSpark

Last week, we landed 5 PRs in the TiSpark repository.

Added

• Add documents for reading the partitioned table

Weekly update in TiKV and PD

Last week, we landed 40 PRs in the TiKV and PD repositories.

Improved

• Remove the unnecessary clone
• Support the RPN function validator
• Balance Regions to address pending peers
• Replace Hashbrown with the std HashMap implementation
• Fix the issue that balanceRegionScheduler always selects the same source and target

Added

• Add a Regions dumper
• Specify multiple PD addresses separated by commas
• Add the mimalloc feature to tikv_alloc
• Add IntDivideInt and IntDivideDecimal for rpn_expr
• Add the skip-paranoid-checks flag for tikv-ctl

Fixed

• Fix the merge-related operators in waiting operators
• Fix Duration::parse while the input is empty
• Scan versions from u64::max to start_ts in get_txn_commit_info
• Count the size of blob files in the disk space used by RocksDB
• Call _exit instead of exit in panic hook
• Fix test_node_request_snapshot_reject_merge

New contributors (Thanks!)

tidb:

• tptpp

tikv:

• divinerapier
• psinghal20

docs-cn:

• tptpp