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TiDB 3.0.18 Release Notes

Release date: August 21, 2020

TiDB version: 3.0.18

Improvements

  • Tools

    • TiDB Binlog

      • Support the time duration format of Go for the Pump GC configuration #996

Bug Fixes

  • TiDB

    • Fix the issue that the wrong handling of the decimal type by the Hash function causes the wrong HashJoin result #19185
    • Fix the issue that the wrong handling of the set and enum types by the Hash function causes the wrong HashJoin result #19175
    • Fix the issue that the check for duplicate keys fails in the pessimistic locking mode #19236
    • Fix the issue that the Apply and Union Scan operators cause the wrong execution result #19297
    • Fix the issue that some cached execution plans are incorrectly executed in transaction #19274
  • TiKV

    • Change the GC failure log from error to the warning level #8444
  • Tools

    • TiDB Lightning

      • Fix the issue that the --log-file argument does not take effect #345
      • Fix the syntax error on empty binary/hex literals when using TiDB-backend #357
      • Fix the unexpected switch-mode call when using TiDB-backend #368