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Merge branch '10.4' into bb-10.4-mdev16188

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This commit is contained in:
Igor Babaev
2019-02-14 22:07:33 -08:00
parent ccce4d3be9 282ba973e7
commit 98d55b1366
387 changed files with 24685 additions and 5426 deletions
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46
sql/sql_select.h
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@ -2468,9 +2468,53 @@ public:
~Pushdown_query() { delete handler; }
/* Function that calls the above scan functions */
int execute(JOIN *join);
int execute(JOIN *);
};
class derived_handler;
class Pushdown_derived: public Sql_alloc
{
private:
bool is_analyze;
public:
TABLE_LIST *derived;
derived_handler *handler;
Pushdown_derived(TABLE_LIST *tbl, derived_handler *h);
~Pushdown_derived();
int execute();
};
class select_handler;
class Pushdown_select: public Sql_alloc
{
private:
bool is_analyze;
List<Item> result_columns;
bool send_result_set_metadata();
bool send_data();
bool send_eof();
public:
SELECT_LEX *select;
select_handler *handler;
Pushdown_select(SELECT_LEX *sel, select_handler *h);
~Pushdown_select();
bool init();
int execute();
};
bool test_if_order_compatible(SQL_I_List<ORDER> &a, SQL_I_List<ORDER> &b);
int test_if_group_changed(List<Cached_item> &list);
int create_sort_index(THD *thd, JOIN *join, JOIN_TAB *tab, Filesort *fsort);