Drizzled Public API Documentation

stored_key.cc
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4  * Copyright (C) 2008 Sun Microsystems, Inc.
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19 
20 #include <config.h>
21 
22 #include <drizzled/field/varstring.h>
23 #include <drizzled/session.h>
24 #include <drizzled/stored_key.h>
25 #include <drizzled/table.h>
26 
27 namespace drizzled {
28 
29 StoredKey::StoredKey(Session *session,
30  Field *field_arg,
31  unsigned char *ptr,
32  unsigned char *null,
33  uint32_t length) :
34  null_key(0),
35  null_ptr(null),
36  err(0)
37  {
38  if (field_arg->type() == DRIZZLE_TYPE_BLOB)
39  {
40  /*
41  Key segments are always packed with a 2 byte length prefix.
42  See mi_rkey for details.
43  */
44  to_field= new Field_varstring(ptr,
45  length,
46  2,
47  null,
48  1,
49  field_arg->field_name,
50  field_arg->charset());
51  to_field->init(field_arg->getTable());
52  }
53  else
54  {
55  to_field= field_arg->new_key_field(session->mem_root, field_arg->getTable(),
56  ptr, null, 1);
57  }
58 
59  to_field->setWriteSet();
60  }
61 
62 StoredKey::store_key_result StoredKey::copy()
63 {
64  store_key_result result;
65  Session *session= to_field->getTable()->in_use;
66  enum_check_fields saved_count_cuted_fields= session->count_cuted_fields;
67  session->count_cuted_fields= CHECK_FIELD_IGNORE;
68  result= copy_inner();
69  session->count_cuted_fields= saved_count_cuted_fields;
70 
71  return result;
72 }
73 
74 } /* namespace drizzled */
TODO: Rename this file - func.h is stupid.
Session * in_use
Definition: table.h:123
enum store_key_result copy()
sets ignore truncation warnings mode and calls the real copy method
Definition: stored_key.cc:62