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MDEV-16379 Move Item_basic_const::used_table_map to Item_cache

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This commit is contained in:
Alexander Barkov 2018-06-04 09:04:03 +04:00
parent c3a4dcd0f0
commit 9988a423d2
1 changed files with 10 additions and 6 deletions
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16
sql/item.h
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@ -2524,11 +2524,8 @@ protected:
class Item_basic_constant :public Item_basic_value
{
table_map used_table_map;
public:
Item_basic_constant(THD *thd): Item_basic_value(thd), used_table_map(0) {};
void set_used_tables(table_map map) { used_table_map= map; }
table_map used_tables() const { return used_table_map; }
Item_basic_constant(THD *thd): Item_basic_value(thd) {};
bool check_vcol_func_processor(void *arg) { return FALSE;}
virtual Item_basic_constant *make_string_literal_concat(THD *thd,
const LEX_CSTRING *)
@ -6248,12 +6245,15 @@ protected:
cache_value() will set this flag to TRUE.
*/
bool value_cached;
table_map used_table_map;
public:
Item_cache(THD *thd):
Item_basic_constant(thd),
Type_handler_hybrid_field_type(&type_handler_string),
example(0), cached_field(0),
value_cached(0)
value_cached(0),
used_table_map(0)
{
fixed= 1;
maybe_null= 1;
@ -6264,7 +6264,8 @@ protected:
Item_basic_constant(thd),
Type_handler_hybrid_field_type(handler),
example(0), cached_field(0),
value_cached(0)
value_cached(0),
used_table_map(0)
{
fixed= 1;
maybe_null= 1;
@ -6281,6 +6282,9 @@ public:
cached_field= ((Item_field *)item)->field;
return 0;
};
void set_used_tables(table_map map) { used_table_map= map; }
table_map used_tables() const { return used_table_map; }
enum Type type() const { return CACHE_ITEM; }
const Type_handler *type_handler() const