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00020
00021 #pragma once
00022
00023 #include <drizzled/field/num.h>
00024
00025 namespace drizzled
00026 {
00027 namespace field
00028 {
00029
00030 class Int64 :public Field_num {
00031 public:
00032
00033 using Field::val_int;
00034 using Field::val_str;
00035 using Field::cmp;
00036 using Field::store;
00037 using Field::pack;
00038 using Field::unpack;
00039
00040 Int64(unsigned char *ptr_arg, uint32_t len_arg,
00041 unsigned char *null_ptr_arg,
00042 unsigned char null_bit_arg,
00043 enum utype unireg_check_arg,
00044 const char *field_name_arg) :
00045 Field_num(ptr_arg,
00046 len_arg,
00047 null_ptr_arg,
00048 null_bit_arg,
00049 unireg_check_arg,
00050 field_name_arg,
00051 0, false, false)
00052 {
00053 }
00054
00055 Int64(uint32_t len_arg,bool maybe_null_arg,
00056 const char *field_name_arg,
00057 bool unsigned_arg) :
00058 Field_num((unsigned char*) 0,
00059 len_arg, maybe_null_arg ? (unsigned char*) "": 0,
00060 0,
00061 NONE,
00062 field_name_arg,
00063 0,
00064 0,
00065 unsigned_arg)
00066 {
00067 assert(not unsigned_arg);
00068 }
00069
00070 enum Item_result result_type () const { return INT_RESULT; }
00071 enum_field_types type() const { return DRIZZLE_TYPE_LONGLONG;}
00072 enum ha_base_keytype key_type() const
00073 { return unsigned_flag ? HA_KEYTYPE_ULONGLONG : HA_KEYTYPE_LONGLONG; }
00074 int store(const char *to,uint32_t length, const CHARSET_INFO * const charset);
00075 int store(double nr);
00076 int store(int64_t nr, bool unsigned_val);
00077 int reset(void)
00078 {
00079 ptr[0]=ptr[1]=ptr[2]=ptr[3]=ptr[4]=ptr[5]=ptr[6]=ptr[7]=0;
00080 return 0;
00081 }
00082 double val_real(void) const;
00083 int64_t val_int(void) const;
00084 String *val_str(String*,String *) const;
00085 int cmp(const unsigned char *,const unsigned char *);
00086 void sort_string(unsigned char *buff,uint32_t length);
00087 uint32_t pack_length() const { return 8; }
00088 void sql_type(String &str) const;
00089 bool can_be_compared_as_int64_t() const { return true; }
00090 uint32_t max_display_length() { return MY_INT64_NUM_DECIMAL_DIGITS; }
00091 virtual unsigned char *pack(unsigned char* to, const unsigned char *from,
00092 uint32_t max_length,
00093 bool low_byte_first);
00094
00095 virtual const unsigned char *unpack(unsigned char* to, const unsigned char *from,
00096 uint32_t param_data,
00097 bool low_byte_first);
00098
00099 };
00100
00101 }
00102 }
00103