database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

merged

Browse Source
This commit is contained in:
serg@serg.mylan
2005-01-25 21:11:04 +01:00
parent ed32be8afc 555680e0c5
commit 76f3d6f002
6 changed files with 33 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
sql/sql_select.cc
View File

@ -4473,16 +4473,9 @@ find_best(JOIN *join,table_map rest_tables,uint idx,double record_count,
x = used key parts (1 <= x <= c)
*/
double rec_per_key;
#if 0
if (!(rec_per_key=(double)
keyinfo->rec_per_key[keyinfo->key_parts-1]))
rec_per_key=(double) s->records/rec+1;
#else
rec_per_key= keyinfo->rec_per_key[keyinfo->key_parts-1] ?
(double) keyinfo->rec_per_key[keyinfo->key_parts-1] :
(double) s->records/rec+1;
#endif
if (!s->records)
tmp=0;
else if (rec_per_key/(double) s->records >= 0.01)