diff options
Diffstat (limited to 'sql/sp_rcontext.h')
| -rw-r--r-- | sql/sp_rcontext.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sql/sp_rcontext.h b/sql/sp_rcontext.h index 856beb13f6d..dedbc7bdef1 100644 --- a/sql/sp_rcontext.h +++ b/sql/sp_rcontext.h @@ -48,8 +48,14 @@ class sp_rcontext : public Sql_alloc public: - MEM_ROOT *callers_mem_root; // Used to store result fields bool in_handler; + /* + Arena used to (re) allocate items on . E.g. reallocate INOUT/OUT + SP parameters when they don't fit into prealloced items. This + is common situation with String items. It is used mainly in + sp_eval_func_item(). + */ + Query_arena *callers_arena; sp_rcontext(uint fsize, uint hmax, uint cmax); |