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00021 #pragma once
00022
00023 #include <drizzled/field/str.h>
00024
00025 namespace drizzled
00026 {
00027
00028 class Time;
00029
00030 namespace field
00031 {
00032
00033 class TableShare;
00034 typedef struct charset_info_st CHARSET_INFO;
00035
00036 class Time :public Field_str {
00037 public:
00038 Time(unsigned char *ptr_arg,
00039 uint32_t len_arg,
00040 unsigned char *null_ptr_arg,
00041 unsigned char null_bit_arg,
00042 const char *field_name_arg);
00043
00044 Time(bool maybe_null_arg,
00045 const char *field_name_arg);
00046
00047 enum_field_types type() const { return DRIZZLE_TYPE_TIMESTAMP;}
00048 enum ha_base_keytype key_type() const { return HA_KEYTYPE_LONG_INT; }
00049 enum Item_result cmp_type () const { return INT_RESULT; }
00050 int store(const char *to,uint32_t length,
00051 const CHARSET_INFO * const charset);
00052 int store(double nr);
00053 int store(int64_t nr, bool unsigned_val);
00054 int reset(void) { ptr[0]= ptr[1]= ptr[2]= ptr[3]= 0; return 0; }
00055 double val_real(void) const;
00056 int64_t val_int(void) const;
00057 String *val_str(String*,String *) const;
00058 int cmp(const unsigned char *,const unsigned char *);
00059 void sort_string(unsigned char *buff,uint32_t length);
00060 uint32_t pack_length() const { return 4; }
00061 void sql_type(String &str) const;
00062 bool can_be_compared_as_int64_t() const { return true; }
00063 bool zero_pack() const { return 0; }
00064
00065
00066 long get_timestamp(bool *null_value) const;
00067 private:
00068 bool get_date(type::Time <ime, uint32_t fuzzydate) const;
00069 bool get_time(type::Time <ime) const;
00070
00071 public:
00072 timestamp_auto_set_type get_auto_set_type() const;
00073 static size_t max_string_length();
00074 void pack_time(drizzled::Time &arg);
00075 void unpack_time(drizzled::Time &arg) const;
00076 void unpack_time(int32_t &destination, const unsigned char *source) const;
00077 };
00078
00079 }
00080 }
00081
00082