Releases
v6.3.0
Improvements
Support pushing down the elt
function to TiFlash #5104 @Willendless
Support pushing down the leftShift
function to TiFlash #5099 @AnnieoftheStars
Support pushing down the castTimeAsDuration
function to TiFlash #5306 @AntiTopQuark
Support pushing down the HexIntArg/HexStrArg
function to TiFlash #5107 @YangKeao
Refactor TiFlash's interpreter, and support the new interpreter Planner #4739 @SeaRise
Improve the accuracy of memory tracker in TiFlash #5609 @bestwoody
Improve the performance of string columns with the UTF8_BIN/ASCII_BIN/LATIN1_BIN/UTF8MB4_BIN
collations #5294 @solotzg
Calculate the I/O throughput in background in ReadLimiter #5401 , #5091 @Lloyd-Pottiger
Bug fixes
Fix the issue that a window function might cause TiFlash to crash when the query is canceled #5814 @SeaRise
Fix the issue that wrong data input for CAST(value AS DATETIME)
causing high TiFlash sys CPU #5097 @xzhangxian1008
Fix the issue that the result of CAST(Real/Decimal AS time)
is inconsistent with MySQL #3779 @mengxin9014
Fix the issue that some obsolete data in storage cannot be deleted #5570 @JaySon-Huang
Fix the issue that page GC might block creating tables #5697 @JaySon-Huang
Fix the panic that occurs after creating the primary index with a column containing the NULL
value #5859 @JaySon-Huang
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