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tidb-server v1.1.0-alpha.1
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@shenli shenli released this 19 Jan 15:21
· 137 commits to release-1.1 since this release
v1.1.0-alpha.1
a2a48b3
  • SQL parser
    • Support more syntax
  • SQL query optimizer
    • Use more compact structure to reduce statistics info memory usage
    • Speed up loading statistics info when starting the tidb-server
    • Provide more accurate query cost evaluation
    • Use Count-Min Sketch to evaluate the cost of queries using unique index more accurately
    • Support more complex conditions to make full use of index
  • SQL executor
    • Refactor all executor operators using Chunk architecture, improve the execution performance of analytical statements and reduce memory usage
    • Optimize performance of the INSERT IGNORE statement
    • Push down more types and functions to TiKV
    • Support more SQL_MODE
    • Optimize the Load Data performance to increase the speed by 10 times
    • Optimize the Use Database performance
    • Support statistics on the memory usage of physical operators
  • Server
    • Support the PROXY protocol
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