diff options
Diffstat (limited to 'sql/item.cc')
| -rw-r--r-- | sql/item.cc | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/sql/item.cc b/sql/item.cc index e1afc339cc2..d2e3b847f5c 100644 --- a/sql/item.cc +++ b/sql/item.cc @@ -4169,31 +4169,6 @@ void Item_param::make_field(Send_field *field) field->type= m_out_param_info->type; } -/**************************************************************************** - Item_copy -****************************************************************************/ - -Item_copy *Item_copy::create (Item *item) -{ - switch (item->result_type()) - { - case STRING_RESULT: - return new Item_copy_string (item); - case REAL_RESULT: - return new Item_copy_float (item); - case INT_RESULT: - return item->unsigned_flag ? - new Item_copy_uint (item) : new Item_copy_int (item); - case DECIMAL_RESULT: - return new Item_copy_decimal (item); - case TIME_RESULT: - case ROW_RESULT: - case IMPOSSIBLE_RESULT: - DBUG_ASSERT (0); - } - /* should not happen */ - return NULL; -} /**************************************************************************** Item_copy_string @@ -4251,156 +4226,6 @@ my_decimal *Item_copy_string::val_decimal(my_decimal *decimal_value) } -/**************************************************************************** - Item_copy_int -****************************************************************************/ - -void Item_copy_int::copy() -{ - cached_value= item->val_int(); - null_value=item->null_value; -} - -static int save_int_value_in_field (Field *, longlong, bool, bool); - -int Item_copy_int::save_in_field(Field *field, bool no_conversions) -{ - return save_int_value_in_field(field, cached_value, - null_value, unsigned_flag); -} - - -String *Item_copy_int::val_str(String *str) -{ - if (null_value) - return (String *) 0; - - str->set(cached_value, &my_charset_bin); - return str; -} - - -my_decimal *Item_copy_int::val_decimal(my_decimal *decimal_value) -{ - if (null_value) - return (my_decimal *) 0; - - int2my_decimal(E_DEC_FATAL_ERROR, cached_value, unsigned_flag, decimal_value); - return decimal_value; -} - - -/**************************************************************************** - Item_copy_uint -****************************************************************************/ - -String *Item_copy_uint::val_str(String *str) -{ - if (null_value) - return (String *) 0; - - str->set((ulonglong) cached_value, &my_charset_bin); - return str; -} - - -/**************************************************************************** - Item_copy_float -****************************************************************************/ - -String *Item_copy_float::val_str(String *str) -{ - if (null_value) - return (String *) 0; - else - { - double nr= val_real(); - str->set_real(nr,decimals, &my_charset_bin); - return str; - } -} - - -my_decimal *Item_copy_float::val_decimal(my_decimal *decimal_value) -{ - if (null_value) - return (my_decimal *) 0; - else - { - double nr= val_real(); - double2my_decimal(E_DEC_FATAL_ERROR, nr, decimal_value); - return decimal_value; - } -} - - -int Item_copy_float::save_in_field(Field *field, bool no_conversions) -{ - if (null_value) - return set_field_to_null(field); - field->set_notnull(); - return field->store(cached_value); -} - - -/**************************************************************************** - Item_copy_decimal -****************************************************************************/ - -int Item_copy_decimal::save_in_field(Field *field, bool no_conversions) -{ - if (null_value) - return set_field_to_null(field); - field->set_notnull(); - return field->store_decimal(&cached_value); -} - - -String *Item_copy_decimal::val_str(String *result) -{ - if (null_value) - return (String *) 0; - result->set_charset(&my_charset_bin); - my_decimal2string(E_DEC_FATAL_ERROR, &cached_value, 0, 0, 0, result); - return result; -} - - -double Item_copy_decimal::val_real() -{ - if (null_value) - return 0.0; - else - { - double result; - my_decimal2double(E_DEC_FATAL_ERROR, &cached_value, &result); - return result; - } -} - - -longlong Item_copy_decimal::val_int() -{ - if (null_value) - return LL(0); - else - { - longlong result; - my_decimal2int(E_DEC_FATAL_ERROR, &cached_value, unsigned_flag, &result); - return result; - } -} - - -void Item_copy_decimal::copy() -{ - my_decimal *nr= item->val_decimal(&cached_value); - if (nr && nr != &cached_value) - my_decimal2decimal (nr, &cached_value); - null_value= item->null_value; -} - - /* Functions to convert item to field (for send_result_set_metadata) */ |