optimizer-fix-control: add doc for the new optimizer fix controls introduced in v7.3.0 #14535
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planner: non-prepared plan cache supports queries with more than 200 parameters tidb#44823
planner: plan cache supports Batch/PointGet converted from
(primary keys) in ((...), ...)tidb#44830Provide a fix control switch to fix overestimation of index scan of inner side of index join tidb#44855
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