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This commit is contained in:
Igor Babaev 2012-04-06 16:40:39 -07:00
commit c1feaf8d8a
5 changed files with 82 additions and 9 deletions
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15
sql/item.cc
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@ -951,6 +951,21 @@ void Item::set_name(const char *str, uint length, CHARSET_INFO *cs)
}
void Item::set_name_for_rollback(THD *thd, const char *str, uint length,
CHARSET_INFO *cs)
{
char *old_name, *new_name;
old_name= name;
set_name(str, length, cs);
new_name= name;
if (old_name != new_name)
{
name= old_name;
thd->change_item_tree((Item **) &name, (Item *) new_name);
}
}
/**
@details
This function is called when: