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TiDB 2.1.10 Release Notes
Release date: May 22, 2019
TiDB version: 2.1.10
TiDB Ansible version: 2.1.10
TiDB
- 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 theReplace
orInsert on duplicate update
statement #10385 - Fix a bug of the
BETWEEN
function in theDATE
/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
plusINTERVAL
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 isdefault 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 theCHAR
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
PD
- Fix the issue that the priority of the leader does not take effect #1533
TiKV
- Reject transferring the leader in a Region whose configuration has been changed recently to avoid transfer failure #4684
- Add the priority label for Coprocessor metrics #4643
- Fix the possible dirty read issue during transferring the leader #4724
- Fix the issue that
CommitMerge
causes the restart failure of TiKV in some cases #4615 - Fix unknown logs #4730
Tools
- TiDB Lightning
- Add the retry feature when TiDB Lightning fails to send data to
importer
#176
- Add the retry feature when TiDB Lightning fails to send data to
- TiDB Binlog
- Optimize the Pump storage log to facilitate troubleshooting #607
TiDB Ansible
- Update the configuration file of TiDB Lightning and add the
tidb_lightning_ctl
script #d3a4a368
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