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Merge remote-tracking branch 'origin/10.2' into bb-10.2-ext

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This commit is contained in:
Alexander Barkov
2018-01-23 17:43:12 +04:00
parent c425dcd8f2 7cc507f22e
commit ec6b8c546a
16 changed files with 262 additions and 71 deletions
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19
sql/sql_class.h
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@ -1288,6 +1288,25 @@ public:
};
class Item_change_list_savepoint: public Item_change_list
{
public:
Item_change_list_savepoint(Item_change_list *list)
{
list->move_elements_to(this);
}
void rollback(Item_change_list *list)
{
list->rollback_item_tree_changes();
move_elements_to(list);
}
~Item_change_list_savepoint()
{
DBUG_ASSERT(is_empty());
}
};
/**
Type of locked tables mode.
See comment for THD::locked_tables_mode for complete description.