00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021 #pragma once
00022
00023 #include <drizzled/field/str.h>
00024
00025 namespace drizzled
00026 {
00027
00028 class Field_datetime :public Field_str {
00029 public:
00030
00031 using Field::store;
00032 using Field::val_int;
00033 using Field::val_str;
00034 using Field::cmp;
00035
00036 Field_datetime(unsigned char *ptr_arg,
00037 unsigned char *null_ptr_arg,
00038 unsigned char null_bit_arg,
00039 const char *field_name_arg) :
00040 Field_str(ptr_arg,
00041 19,
00042 null_ptr_arg,
00043 null_bit_arg,
00044 field_name_arg,
00045 &my_charset_bin)
00046 {}
00047
00048 Field_datetime(bool maybe_null_arg,
00049 const char *field_name_arg) :
00050 Field_str((unsigned char*) 0,
00051 19,
00052 maybe_null_arg ? (unsigned char*) "": 0,
00053 0,
00054 field_name_arg,
00055 &my_charset_bin)
00056 {}
00057
00058 enum_field_types type() const { return DRIZZLE_TYPE_DATETIME;}
00059 enum ha_base_keytype key_type() const { return HA_KEYTYPE_ULONGLONG; }
00060 enum Item_result cmp_type () const { return INT_RESULT; }
00061 uint32_t decimals() const { return DATETIME_DEC; }
00062 int store(const char *to,uint32_t length, const CHARSET_INFO * const charset);
00063 int store(double nr);
00064 int store(int64_t nr, bool unsigned_val);
00065 int store_time(type::Time <ime, type::timestamp_t type);
00066 int reset(void)
00067 {
00068 ptr[0]=ptr[1]=ptr[2]=ptr[3]=ptr[4]=ptr[5]=ptr[6]=ptr[7]=0;
00069 return 0;
00070 }
00071 double val_real(void) const;
00072 int64_t val_int(void) const;
00073 String *val_str(String*,String *) const;
00074 int cmp(const unsigned char *,const unsigned char *);
00075 void sort_string(unsigned char *buff,uint32_t length);
00076 uint32_t pack_length() const { return 8; }
00077 void sql_type(String &str) const;
00078 bool can_be_compared_as_int64_t() const { return true; }
00079 bool zero_pack() const { return 1; }
00080 bool get_date(type::Time <ime,uint32_t fuzzydate) const;
00081 bool get_time(type::Time <ime) const;
00082 };
00083
00084 }
00085