diff options
| author | unknown <heikki@donna.mysql.fi> | 2002-01-30 14:10:26 +0200 |
|---|---|---|
| committer | unknown <heikki@donna.mysql.fi> | 2002-01-30 14:10:26 +0200 |
| commit | dec0182c4097ea9f1dcb0da8f9782747468576e0 (patch) | |
| tree | 62f50ee9bbebba94faa0145887f54090bf8ff55a /support-files | |
| parent | 94f7b7f33f785ea6547afc76f51eac569bc80b12 (diff) | |
| download | mariadb-git-dec0182c4097ea9f1dcb0da8f9782747468576e0.tar.gz | |
ha_innobase.cc:
Assume selectivity of any key prefix is better than 1 / 100, regardless of what the estimator returns; this balances the pessimistic assumption of the optimizer thatany secondary key access to the full row incurs a page read from disk
sql/ha_innobase.cc:
Assume selectivity of any key prefix is better than 1 / 100, regardless of what the estimator returns; this balances the pessimistic assumption of the optimizer thatany secondary key access to the full row incurs a page read from disk
Diffstat (limited to 'support-files')
0 files changed, 0 insertions, 0 deletions