diff options
Diffstat (limited to 'sql/item_func.h')
-rw-r--r-- | sql/item_func.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sql/item_func.h b/sql/item_func.h index 3acda817d26..d23d821baf6 100644 --- a/sql/item_func.h +++ b/sql/item_func.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2000-2006 MySQL AB +/* Copyright 2000-2008 MySQL AB, 2008 Sun Microsystems, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -362,7 +362,10 @@ public: Item_func_unsigned(Item *a) :Item_func_signed(a) {} const char *func_name() const { return "cast_as_unsigned"; } void fix_length_and_dec() - { max_length=args[0]->max_length; unsigned_flag=1; } + { + max_length= min(args[0]->max_length, DECIMAL_MAX_PRECISION + 2); + unsigned_flag=1; + } longlong val_int(); virtual void print(String *str, enum_query_type query_type); }; @@ -1332,6 +1335,7 @@ public: longlong val_int_result(); String *str_result(String *str); my_decimal *val_decimal_result(my_decimal *); + bool is_null_result(); bool update_hash(void *ptr, uint length, enum Item_result type, CHARSET_INFO *cs, Derivation dv, bool unsigned_arg); bool send(Protocol *protocol, String *str_arg); @@ -1353,6 +1357,7 @@ public: void save_org_in_field(Field *field) { (void)save_in_field(field, 1, 0); } bool register_field_in_read_map(uchar *arg); bool set_entry(THD *thd, bool create_if_not_exists); + void cleanup(); }; |