On February 15, 2019, TiDB 2.1.4 is released. The corresponding TiDB-Ansible 2.1.4 is also released. Compared with TiDB 2.1.3, this release has greatly improved the stability, the SQL optimizer, statistics, and the execution engine.
VALUESfunction does not handle the FLOAT type correctly #9223
FORMATfunction in some cases #9235
VALUESfunction does not handle the ENUM type correctly #9280
DATE_SUBin some cases #9284
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