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Summarized results of two previous commits (26 July, 25 August)

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Galina Shalygina
2017-08-29 02:32:39 +02:00
parent 3310076dbe
commit 570d2e7d0f
21 changed files with 3428 additions and 861 deletions
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35
sql/sql_tvc.h
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@ -6,26 +6,45 @@
typedef List<Item> List_item;
class select_result;
class Explain_select;
class Explain_query;
class Item_func_in;
/**
@class table_value_constr
@brief Definition of a Table Value Construction(TVC)
It contains a list of lists of values that this TVC contains.
It contains a list of lists of values which this TVC is defined by and
reference on SELECT where this TVC is defined.
*/
class table_value_constr : public Sql_alloc
{
public:
List<List_item> lists_of_values;
select_result *result;
SELECT_LEX *select_lex;
enum { QEP_NOT_PRESENT_YET, QEP_AVAILABLE} have_query_plan;
Explain_select *explain;
ulonglong select_options;
table_value_constr(List<List_item> tvc_values) :
lists_of_values(tvc_values), result(0)
{ }
table_value_constr(List<List_item> tvc_values, SELECT_LEX *sl,
ulonglong select_options_arg) :
lists_of_values(tvc_values), result(0), select_lex(sl),
have_query_plan(QEP_NOT_PRESENT_YET), explain(0),
select_options(select_options_arg)
{ };
bool prepare(THD *thd_arg, SELECT_LEX *sl,
select_result *tmp_result);
bool exec();
};
select_result *tmp_result,
st_select_lex_unit *unit_arg);
int save_explain_data_intern(THD *thd_arg,
Explain_query *output);
void optimize(THD *thd_arg);
bool exec(SELECT_LEX *sl);
void print(THD *thd_arg, String *str, enum_query_type query_type);
};
#endif /* SQL_TVC_INCLUDED */