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SQL: move Vers_extended_item::vtq_cached_result() to Item [closes #250]

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This commit is contained in:
Eugene Kosov 2017-08-30 15:28:43 +03:00
parent b231a85200
commit a6aaa4fefe
1 changed files with 4 additions and 14 deletions
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18
sql/item.h
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@ -480,20 +480,8 @@ public:
String_copier_for_item(THD *thd): m_thd(thd) { } String_copier_for_item(THD *thd): m_thd(thd) { }
}; };
/* System versioning */
class Vers_extended_item
{
public:
virtual vtq_record_t* vtq_cached_result()
{
return NULL;
}
};
class Item: public Value_source, class Item: public Value_source,
public Type_std_attributes, public Type_std_attributes
public Vers_extended_item
{ {
void operator=(Item &); void operator=(Item &);
/** /**
@ -1845,8 +1833,10 @@ public:
{ {
marker &= ~EXTRACTION_MASK; marker &= ~EXTRACTION_MASK;
} }
};
/* System versioning */
virtual vtq_record_t *vtq_cached_result() { return NULL; }
};
template <class T> template <class T>
inline Item* get_item_copy (THD *thd, MEM_ROOT *mem_root, T* item) inline Item* get_item_copy (THD *thd, MEM_ROOT *mem_root, T* item)