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tidb v2.1.10 Release Notes

Release Date: 2019-05-21 // almost 5 years ago
    • 🛠 Fix the issue that some abnormalities cause incorrect table schema when using tidb_snapshot to read the history data #10359
    • 🛠 Fix the issue that the NOT function causes wrong read results in some cases #10363
    • 🛠 Fix the wrong behavior of Generated Column in the Replace or Insert on duplicate update statement #10385
    • 🛠 Fix a bug of the BETWEEN function in the DATE/DATETIME comparison #10407
    • 🛠 Fix the issue that a single line of a slow log that is too long causes an error report when using the SLOW_QUERY table to query a slow log #10412
    • 🛠 Fix the issue that the result of DATETIME plus INTERVAL is not the same with that of MySQL in some cases #10416, #10418
    • ➕ Add the check for the invalid time of February in a leap year #10417
    • Execute the internal initialization operation limitation only in the DDL owner to avoid a large number of conflict error reports when initializing the cluster #10426
    • ⚡️ Fix the issue that DESC is incompatible with MySQL when the default value of the output timestamp column is default current_timestamp on update current_timestamp #10337
    • 🛠 Fix the issue that an error occurs during the privilege check in the Update statement #10439
    • 🛠 Fix the issue that wrong calculation of RANGE causes a wrong result in the CHAR column in some cases #10455
    • Fix the issue that the data might be overwritten after decreasing SHARD_ROW_ID_BITS #9868
    • 🛠 Fix the issue that ORDER BY RAND() does not return random numbers #10064
    • Prohibit the ALTER statement modifying the precision of decimals #10458
    • 🛠 Fix the compatibility issue of the TIME_FORMAT function with MySQL #10474
    • Check the parameter validity of PERIOD_ADD #10430
    • 🛠 Fix the issue that the behavior of the invalid YEAR string in TiDB is incompatible with that in MySQL #10493
    • 👌 Support the ALTER DATABASE syntax #10503
    • 🛠 Fix the issue that the SLOW_QUERY memory engine reports an error when no ; exists in the slow query statement #10536
    • 🛠 Fix the issue that the Add index operation in partitioned tables cannot be canceled in some cases #10533
    • 🛠 Fix the issue that the OOM panic cannot be recovered in some cases #10545
    • 👌 Improve the security of the DDL operation rewriting the table metadata #10547