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00021 #pragma once
00022
00023 #include <drizzled/field/real.h>
00024
00025 namespace drizzled
00026 {
00027
00028 class Field_double :public Field_real {
00029 public:
00030
00031 using Field::store;
00032 using Field::val_int;
00033 using Field::val_str;
00034 using Field::cmp;
00035
00036 Field_double(unsigned char *ptr_arg, uint32_t len_arg,
00037 unsigned char *null_ptr_arg,
00038 unsigned char null_bit_arg,
00039 enum utype unireg_check_arg, const char *field_name_arg,
00040 uint8_t dec_arg,bool zero_arg,bool unsigned_arg)
00041 :Field_real(ptr_arg, len_arg, null_ptr_arg, null_bit_arg,
00042 unireg_check_arg, field_name_arg,
00043 dec_arg, zero_arg, unsigned_arg)
00044 {}
00045 Field_double(uint32_t len_arg, bool maybe_null_arg, const char *field_name_arg,
00046 uint8_t dec_arg)
00047 :Field_real((unsigned char*) 0, len_arg, maybe_null_arg ? (unsigned char*) "" : 0, (uint32_t) 0,
00048 NONE, field_name_arg, dec_arg, 0, 0)
00049 {}
00050 Field_double(uint32_t len_arg, bool maybe_null_arg, const char *field_name_arg,
00051 uint8_t dec_arg, bool not_fixed_arg)
00052 :Field_real((unsigned char*) 0, len_arg, maybe_null_arg ? (unsigned char*) "" : 0, (uint32_t) 0,
00053 NONE, field_name_arg, dec_arg, 0, 0)
00054 {not_fixed= not_fixed_arg; }
00055 enum_field_types type() const { return DRIZZLE_TYPE_DOUBLE;}
00056 enum ha_base_keytype key_type() const { return HA_KEYTYPE_DOUBLE; }
00057 int store(const char *to,uint32_t length, const CHARSET_INFO * const charset);
00058 int store(double nr);
00059 int store(int64_t nr, bool unsigned_val);
00060 int reset(void) { memset(ptr, 0, sizeof(double)); return 0; }
00061 double val_real(void) const;
00062 int64_t val_int(void) const;
00063 String *val_str(String*,String *) const;
00064 int cmp(const unsigned char *,const unsigned char *);
00065 void sort_string(unsigned char *buff,uint32_t length);
00066 uint32_t pack_length() const { return sizeof(double); }
00067 void sql_type(String &str) const;
00068 };
00069
00070 }
00071
00072