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Merge bk-internal.mysql.com:/home/bk/mysql-4.1

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into mysql.com:/home/dlenev/src/mysql-4.1-memroot


sql/sql_class.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
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2004-09-23 13:52:00 +04:00
parent ccf52b4fd5 7ba5d931eb
commit 412a052a7d
5 changed files with 102 additions and 35 deletions
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16
sql/sql_class.h
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@ -441,11 +441,23 @@ public:
STATEMENT, PREPARED_STATEMENT, STORED_PROCEDURE
};
/*
This constructor is used only when Item_arena is created as
backup storage for another instance of Item_arena.
*/
Item_arena() {};
/*
Create arena for already constructed THD using its variables as
parameters for memory root initialization.
*/
Item_arena(THD *thd);
Item_arena();
/*
Create arena and optionally init memory root with minimal values.
Particularly used if Item_arena is part of Statement.
*/
Item_arena(bool init_mem_root);
virtual Type type() const;
virtual ~Item_arena();
virtual ~Item_arena() {};
inline bool is_stmt_prepare() const { return (int)state < (int)PREPARED; }
inline bool is_first_stmt_execute() const { return state == PREPARED; }