diff options
| author | Sergei Petrunia <psergey@askmonty.org> | 2015-08-05 20:43:25 +0300 |
|---|---|---|
| committer | Sergei Petrunia <psergey@askmonty.org> | 2015-08-18 22:54:42 +0300 |
| commit | 9b475ee3c1855c23fc716ba83a261c238d9b6f83 (patch) | |
| tree | b02670c73cb21bbeabbb5cfcf77a27b0588180be /mysys_ssl/my_sha1.cc | |
| parent | 1bfe4da1e97c4034f70fb5521b93ae87c872a841 (diff) | |
| download | mariadb-git-9b475ee3c1855c23fc716ba83a261c238d9b6f83.tar.gz | |
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.
Diffstat (limited to 'mysys_ssl/my_sha1.cc')
0 files changed, 0 insertions, 0 deletions