43
43
static const uint32_t MAX_SIZE;
45
44
/* Store number of bytes used to store length (1 or 2) */
46
45
uint32_t length_bytes;
48
46
Field_varstring(unsigned char *ptr_arg,
50
48
uint32_t length_bytes_arg,
51
49
unsigned char *null_ptr_arg,
52
50
unsigned char null_bit_arg,
53
51
const char *field_name_arg,
54
53
const CHARSET_INFO * const cs);
55
54
Field_varstring(uint32_t len_arg,
56
55
bool maybe_null_arg,
57
56
const char *field_name_arg,
58
58
const CHARSET_INFO * const cs);
60
60
enum_field_types type() const { return DRIZZLE_TYPE_VARCHAR; }
62
62
bool zero_pack() const { return 0; }
63
63
int reset(void) { memset(ptr, 0, field_length+length_bytes); return 0; }
64
64
uint32_t pack_length() const { return (uint32_t) field_length+length_bytes; }
65
uint32_t pack_length_no_ptr() const { return length_bytes; }
66
65
uint32_t key_length() const { return (uint32_t) field_length; }
67
66
uint32_t sort_length() const
69
68
return (uint32_t) field_length + (field_charset == &my_charset_bin ?
72
71
int store(const char *to,uint32_t length, const CHARSET_INFO * const charset);
75
74
int store(int64_t nr, bool unsigned_val);
76
75
int store(double nr) { return Field_str::store(nr); } /* QQ: To be deleted */
77
double val_real(void) const;
78
int64_t val_int(void) const;
79
String *val_str(String*,String *) const;
76
double val_real(void);
77
int64_t val_int(void);
78
String *val_str(String*,String *);
80
79
inline String *val_str(String *str) { return val_str(str, str); }
81
type::Decimal *val_decimal(type::Decimal *) const;
80
my_decimal *val_decimal(my_decimal *);
82
81
int cmp_max(const unsigned char *, const unsigned char *, uint32_t max_length);
83
82
inline int cmp(const unsigned char *str) { return cmp(ptr,str); }
84
83
int cmp(const unsigned char *a,const unsigned char *b)