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00021 #pragma once
00022
00023 #include <drizzled/field/num.h>
00024
00025 namespace drizzled
00026 {
00027
00028
00029 class Field_real :public Field_num {
00030 public:
00031 bool not_fixed;
00032
00033 using Field::unpack;
00034 using Field::pack;
00035
00036 Field_real(unsigned char *ptr_arg, uint32_t len_arg, unsigned char *null_ptr_arg,
00037 unsigned char null_bit_arg, utype unireg_check_arg,
00038 const char *field_name_arg,
00039 uint8_t dec_arg, bool zero_arg, bool unsigned_arg)
00040 :Field_num(ptr_arg, len_arg, null_ptr_arg, null_bit_arg, unireg_check_arg,
00041 field_name_arg, dec_arg, zero_arg, unsigned_arg),
00042 not_fixed(dec_arg >= NOT_FIXED_DEC)
00043 {}
00044 int store_decimal(const type::Decimal *);
00045 type::Decimal *val_decimal(type::Decimal *) const;
00046 int truncate(double *nr, double max_length);
00047 uint32_t max_display_length() { return field_length; }
00048 uint32_t size_of() const { return sizeof(*this); }
00049 virtual const unsigned char *unpack(unsigned char* to, const unsigned char *from,
00050 uint32_t param_data, bool low_byte_first);
00051 virtual unsigned char *pack(unsigned char* to, const unsigned char *from,
00052 uint32_t max_length, bool low_byte_first);
00053 };
00054
00055 }
00056