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WL#1724 "Min/Max Optimization for Queries with Group By Clause"

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- after-review changes
- merged with the source tree from 204-08-27
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timour@mysql.com
2004-08-27 16:37:13 +03:00
parent a5f063e0da
commit e2cd3dd1ce
19 changed files with 5077 additions and 204 deletions
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sql/sql_select.h
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@ -399,6 +399,7 @@ bool create_myisam_from_heap(THD *thd, TABLE *table, TMP_TABLE_PARAM *param,
uint find_shortest_key(TABLE *table, const key_map *usable_keys);
/* functions from opt_sum.cc */
bool simple_pred(Item_func *func_item, Item **args, bool *inv_order);
int opt_sum_query(TABLE_LIST *tables, List<Item> &all_fields,COND *conds);
/* from sql_delete.cc, used by opt_range.cc */