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author | unknown <sergefp@mysql.com> | 2006-09-18 14:49:54 +0400 |
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committer | unknown <sergefp@mysql.com> | 2006-09-18 14:49:54 +0400 |
commit | 5e34af32406bc9274dc6e58530f0272e2671e409 (patch) | |
tree | c9ea167b6014b2b17aa24282d7a2f3a7b3a5f6f4 /sql/item_sum.cc | |
parent | b128cfa8516900b882da6826dc6a5fb633fdd359 (diff) | |
download | mariadb-git-5e34af32406bc9274dc6e58530f0272e2671e409.tar.gz |
BUG#22393: Very wrong E(#rows(ref(const)) for key with skewed distribution
- Check if we have E(#rows) for 'range' access on the smaller interval
on the same index. If yes, adjust the estimate.
mysql-test/r/range.result:
BUG#22393: Testcase
mysql-test/t/range.test:
BUG#22393: Testcase
Diffstat (limited to 'sql/item_sum.cc')
0 files changed, 0 insertions, 0 deletions