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Merge the fix for lp:944706, mdev-193

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2012-06-06 22:26:40 +03:00
parent 8efc63ba5d 7ddd5418d0
commit c2677de7ac
48 changed files with 1613 additions and 433 deletions
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3
sql/sql_select.h
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@ -512,6 +512,7 @@ typedef struct st_join_table {
return (is_hash_join_key_no(key) ? hj_key : table->key_info+key);
}
double scan_time();
ha_rows get_examined_rows();
bool preread_init();
bool is_sjm_nest() { return test(bush_children); }
@ -1281,6 +1282,7 @@ public:
bool alloc_func_list();
bool flatten_subqueries();
bool optimize_unflattened_subqueries();
bool optimize_constant_subqueries();
bool make_sum_func_list(List<Item> &all_fields, List<Item> &send_fields,
bool before_group_by, bool recompute= FALSE);
@ -1380,6 +1382,7 @@ public:
void get_prefix_cost_and_fanout(uint n_tables,
double *read_time_arg,
double *record_count_arg);
double get_examined_rows();
/* defined in opt_subselect.cc */
bool transform_max_min_subquery();
/* True if this JOIN is a subquery under an IN predicate. */