Sergei Petrunia 9b475ee3c1 MDEV-8289: Semijoin inflates number of rows in query result ...

- Make semi-join optimizer not to choose LooseScan
  when 1) the index is not covered and 2) full index
  scan will be required.

- Make sure that the code in make_join_select() that may change
  full index scan into a range scan is not invoked when the table
  uses full scan.

2015-08-18 22:54:42 +03:00

53 KiB

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