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| author | sergefp@mysql.com <> | 2004-05-13 01:38:40 +0400 |
|---|---|---|
| committer | sergefp@mysql.com <> | 2004-05-13 01:38:40 +0400 |
| commit | a46d7542c94eb5848231324a043ddccffbc552b0 (patch) | |
| tree | 34118ff1da06b90ade9507174ddccf92c228286a /sql/sql_select.h | |
| parent | b2efad935b38bfcf8177837082e3946c60ba8328 (diff) | |
| download | mariadb-git-a46d7542c94eb5848231324a043ddccffbc552b0.tar.gz | |
This is first cset for WL#1394 "Optimize index merge when all involved index ranges include only values with equal keys"
The main idea is to exploit the fact that key scans for "key=const" return ordered sequences of rowids.
Diffstat (limited to 'sql/sql_select.h')
| -rw-r--r-- | sql/sql_select.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h index 9bba4e9318e..9d784e585b1 100644 --- a/sql/sql_select.h +++ b/sql/sql_select.h @@ -329,7 +329,7 @@ uint find_shortest_key(TABLE *table, const key_map *usable_keys); int opt_sum_query(TABLE_LIST *tables, List<Item> &all_fields,COND *conds); /* from sql_delete.cc, used by opt_range.cc */ -extern "C" int refposcmp2(void* arg, const void *a,const void *b); +extern "C" int refpos_order_cmp(void* arg, const void *a,const void *b); /* class to copying an field/item to a key struct */ |