diff options
Diffstat (limited to 'sql/sql_class.h')
| -rw-r--r-- | sql/sql_class.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/sql/sql_class.h b/sql/sql_class.h index fbc5e5f85bf..66f91545f97 100644 --- a/sql/sql_class.h +++ b/sql/sql_class.h @@ -654,6 +654,14 @@ typedef struct system_status_var void free_tmp_table(THD *thd, TABLE *entry); +/* The following macro is to make init of Query_arena simpler */ +#ifndef DBUG_OFF +#define INIT_ARENA_DBUG_INFO is_backup_arena= 0 +#else +#define INIT_ARENA_DBUG_INFO +#endif + + class Query_arena { public: @@ -664,7 +672,7 @@ public: Item *free_list; MEM_ROOT *mem_root; // Pointer to current memroot #ifndef DBUG_OFF - bool backup_arena; + bool is_backup_arena; /* True if this arena is used for backup. */ #endif enum enum_state { @@ -682,12 +690,13 @@ public: Query_arena(MEM_ROOT *mem_root_arg, enum enum_state state_arg) : free_list(0), mem_root(mem_root_arg), state(state_arg) - {} + { INIT_ARENA_DBUG_INFO; } /* This constructor is used only when Query_arena is created as backup storage for another instance of Query_arena. */ - Query_arena() {}; + Query_arena() { INIT_ARENA_DBUG_INFO; } + virtual Type type() const; virtual ~Query_arena() {}; @@ -727,6 +736,8 @@ public: void set_n_backup_item_arena(Query_arena *set, Query_arena *backup); void restore_backup_item_arena(Query_arena *set, Query_arena *backup); void set_item_arena(Query_arena *set); + + void free_items(); }; @@ -1428,10 +1439,10 @@ public: }; #define tmp_disable_binlog(A) \ - ulong save_options= (A)->options; \ - (A)->options&= ~OPTION_BIN_LOG; + {ulong tmp_disable_binlog__save_options= (A)->options; \ + (A)->options&= ~OPTION_BIN_LOG -#define reenable_binlog(A) (A)->options= save_options; +#define reenable_binlog(A) (A)->options= tmp_disable_binlog__save_options;} /* Flags for the THD::system_thread (bitmap) variable */ #define SYSTEM_THREAD_DELAYED_INSERT 1 |