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SQL(misc): Query_arena_stmt RAII

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This commit is contained in:
Aleksey Midenkov
2017-04-27 10:24:16 +03:00
parent 1e8a81dea6
commit 122ffa2211
4 changed files with 32 additions and 12 deletions
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16
sql/sql_class.h
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@ -1024,6 +1024,22 @@ public:
};
class Query_arena_stmt
{
THD *thd;
Query_arena backup;
Query_arena *arena;
public:
Query_arena_stmt(THD *_thd);
~Query_arena_stmt();
bool arena_replaced()
{
return arena != NULL;
}
};
class Server_side_cursor;
/**