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tidb v2.1.1 Release Notes

Release Date: 2018-12-12 // over 5 years ago

  • ⚡️ SQL Optimizer/Executor

    • 🛠 Fix the round error of the negative date #8574
    • 🛠 Fix the issue that the uncompress function does not check the data length #8606
    • Reset bind arguments of the prepare statement after the execute command is executed #8652
    • 👌 Support automatically collecting the statistics information of a partition table #8649
    • 🛠 Fix the wrongly configured integer type when pushing down the abs function #8628
    • 🛠 Fix the data race on the JSON column #8660

    Server

    • 🛠 Fix the issue that the transaction obtained TSO is incorrect when PD breaks down #8567
    • 🛠 Fix the bootstrap failure caused by the statement that does not conform to ANSI standards #8576
    • 🛠 Fix the issue that incorrect parameters are used in transaction retries #8638

    DDL

    • 🔄 Change the default character set and collation of tables into utf8mb4 #8590
    • Add the ddl_reorg_batch_size variable to control the speed of adding indexes #8614
    • 👉 Make the character set and collation options content in DDL case-insensitive #8611
    • 🛠 Fix the issue of adding indexes for generated columns #8655