Drizzled Public API Documentation

copy_field.h
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4  * Copyright (C) 2008 Sun Microsystems, Inc.
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19 
20 
21 #pragma once
22 
23 #include <drizzled/memory/sql_alloc.h>
24 #include <drizzled/sql_string.h>
25 
26 
27 namespace drizzled {
28 
33 {
38  typedef void Copy_func(CopyField*);
39  Copy_func *get_copy_func(Field *to, Field *from);
40 
41 public:
42  unsigned char *from_ptr;
43  unsigned char *to_ptr;
44  unsigned char *from_null_ptr;
45  unsigned char *to_null_ptr;
46  bool *null_row;
47  uint32_t from_bit;
48  uint32_t to_bit;
49  uint32_t from_length;
50  uint32_t to_length;
51  Field *from_field;
52  Field *to_field;
53  String tmp; // For items
54 
55  CopyField() :
56  from_ptr(0),
57  to_ptr(0),
58  from_null_ptr(0),
59  to_null_ptr(0),
60  null_row(0),
61  from_bit(0),
62  to_bit(0),
63  from_length(0),
64  to_length(0),
65  from_field(0),
66  to_field(0)
67  {}
68 
69  ~CopyField()
70  {}
71 
72  void set(Field *to,Field *from,bool save); // Field to field
73  void set(unsigned char *to,Field *from); // Field to string
74  void (*do_copy)(CopyField *);
75  void (*do_copy2)(CopyField *); // Used to handle null values
76 };
77 
78 } /* namespace drizzled */
79 
void Copy_func(CopyField *)
Definition: copy_field.h:38