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| author | unknown <timour@mysql.com> | 2004-09-10 04:45:15 +0300 |
|---|---|---|
| committer | unknown <timour@mysql.com> | 2004-09-10 04:45:15 +0300 |
| commit | 4f1d7b7dae6c8df9f336b0b00429da2f759afdc2 (patch) | |
| tree | 318c6766b760f52a124018a2ca9492d097590b09 /sql/item.cc | |
| parent | d9450332927128073e353f11269eba5f0e4ad941 (diff) | |
| download | mariadb-git-4f1d7b7dae6c8df9f336b0b00429da2f759afdc2.tar.gz | |
Implementation of the last review comments for WL#1724
"Min/Max Optimization for Queries with Group By Clause"
mysql-test/r/group_min_max.result:
Added new test
mysql-test/t/group_min_max.test:
Added new test & comments
sql/item.h:
Remove processor methods that are no longer used.
sql/item_sum.cc:
Remove processor methods that are no longer used.
sql/item_sum.h:
Remove processor methods that are no longer used.
sql/opt_range.cc:
- the test procedure no longer needs to build lists and to traverse the expression trees
- all usable indexes are tested and the bes one is chosen
- added/edited function comments
sql/sql_select.cc:
Modified make_sum_func_list() so it can be reused in the test for MIN/MAX optimization.
sql/sql_select.h:
Modified make_sum_func_list() so it can be reused in the test for MIN/MAX optimization.
Diffstat (limited to 'sql/item.cc')
0 files changed, 0 insertions, 0 deletions