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tidb v3.0.16 Release Notes

Release Date: 2020-07-06 // almost 4 years ago

  • 👌 Improvements

    • 👌 Support the is null filter condition in hash partition pruning #17308
    • ⏱ Assign different Backoffers to each Region to avoid the SQL timeout issue when multiple Region requests fail at the same time #17583
    • Split separate Regions for the newly added partition #17668
    • ⚡️ Discard feedbacks generated from the delete or update statement #17841
    • 👷 Correct the usage of json.Unmarshal in job.DecodeArgs to be compatible with future Go versions #17887
    • ✂ Remove sensitive information in the slow query log and the statement summary table #18128
    • Match the MySQL behavior with DateTime delimiters #17499
    • 🖐 Handle %h in date formats in the range that is consistent with MySQL #17496

    🐛 Bug Fixes

    • 🛠 Fix the data inconsistency issue occurred because the lock of a written and deleted primary key in one transaction is resolved by another transaction #18248
    • 🛠 Fix the Got too many pings gRPC error log in the PD server-side followers 17944
    • 🛠 Fix the panic issue that might occur when the child of HashJoin returns the TypeNull column #17935
    • 🛠 Fix the error message when access is denied #17722
    • 🛠 Fix JSON comparison issue for the int and float types #17715
    • ⚡️ Update the failpoint which causes data race #17710
    • 🛠 Fix the issue that the timeout pre-split Regions might not work when creating tables #17617
    • 🛠 Fix the panic caused by ambiguous error messages after the sending failure #17378
    • 🛠 Fix the issue that FLASHBACK TABLE might fail in some special cases #17165
    • 🛠 Fix the issue of inaccurate range calculation results when statements only have string columns #16658
    • Fix the query error occurred when the only_full_group_by SQL mode is set #16620
    • 🛠 Fix the issue that the field length of results returned from the case when function is inaccurate #16562
    • 🛠 Fix the type inference for the decimal property in the count aggregate function #17702