Drizzled Public API Documentation

num.h
1 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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3  *
4  * Copyright (C) 2008 MySQL
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19  */
20 
21 #pragma once
22 
23 #include <drizzled/field.h>
24 
25 namespace drizzled
26 {
27 
28 class Field_num :public Field
29 {
30 public:
31  const uint8_t dec;
32  bool decimal_precision; // Purify cannot handle bit fields & only for decimal type
33  bool unsigned_flag; // Purify cannot handle bit fields
34 
35  Field_num(unsigned char *ptr_arg,uint32_t len_arg, unsigned char *null_ptr_arg,
36  unsigned char null_bit_arg, utype unireg_check_arg,
37  const char *field_name_arg,
38  uint8_t dec_arg, bool zero_arg, bool unsigned_arg);
39 
40  Item_result result_type () const { return REAL_RESULT; }
41 
42  friend class CreateField;
43 
44  void make_field(SendField *);
45 
46  uint32_t decimals() const { return (uint32_t) dec; }
47 
48  uint32_t size_of() const { return sizeof(*this); }
49 
50  bool eq_def(Field *field);
51 
52  int store_decimal(const type::Decimal *);
53 
55 
56  uint32_t is_equal(CreateField *new_field);
57 
58  int check_int(const charset_info_st * const cs, const char *str, int length,
59  const char *int_end, int error);
60 
61  bool get_int(const charset_info_st * const cs, const char *from, uint32_t len,
62  int64_t *rnd, uint64_t unsigned_max,
63  int64_t signed_min, int64_t signed_max);
64 };
65 
66 } /* namespace drizzled */
67 
int check_int(const charset_info_st *const cs, const char *str, int length, const char *int_end, int error)
Definition: num.cc:80
type::Decimal * val_decimal(type::Decimal *) const
Definition: num.cc:193
bool eq_def(Field *field)
Definition: num.cc:213
int store_decimal(const type::Decimal *)
Definition: num.cc:172
Field_num(unsigned char *ptr_arg, uint32_t len_arg, unsigned char *null_ptr_arg, unsigned char null_bit_arg, utype unireg_check_arg, const char *field_name_arg, uint8_t dec_arg, bool zero_arg, bool unsigned_arg)
Definition: num.cc:36