On February 24, 2018, TiDB 1.1 Beta is released. This release has great improvement in MySQL compatibility, SQL optimization, stability, and performance.
tidb_configsession variable to output the current TiDB configuration
Sort Merge Joinoperator in some scenarios
Show Indexstatement shows indexes that are in the process of adding
DeleteFilesInRanges, to make TiKV start faster
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