← Back to branch summary

~drizzle-trunk/drizzle/development

« back to all changes in this revision

Viewing changes to drizzled/item/ident.cc

  • Committer: Brian Aker
  • Date: 2009-01-09 22:07:54 UTC
  • Revision ID: brian@tangent.org-20090109220754-1y50h7lqi9i1ifcs
Dead test/wrong test.

Show diffs side-by-side

added added

removed removed

Lines of Context:
drizzled/item/ident.cc
17
17
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
18
18
 */
19
19
 
20
 
#include "config.h"
 
20
#include <drizzled/server_includes.h>
 
21
#include CSTDINT_H
21
22
#include <drizzled/show.h>
22
23
#include <drizzled/table.h>
23
24
#include <drizzled/current_session.h>
24
25
#include <drizzled/item/ident.h>
25
26
 
26
 
#include <cstdio>
27
 
 
28
 
using namespace std;
29
 
 
30
 
namespace drizzled
31
 
{
32
 
 
33
27
const uint32_t NO_CACHED_FIELD_INDEX= UINT32_MAX;
34
28
 
35
29
Item_ident::Item_ident(Name_resolution_context *context_arg,
66
60
 
67
61
void Item_ident::cleanup()
68
62
{
 
63
#ifdef CANT_BE_USED_AS_MEMORY_IS_FREED
 
64
                       db_name ? db_name : "(null)",
 
65
                       orig_db_name ? orig_db_name : "(null)",
 
66
                       table_name ? table_name : "(null)",
 
67
                       orig_table_name ? orig_table_name : "(null)",
 
68
                       field_name ? field_name : "(null)",
 
69
                       orig_field_name ? orig_field_name : "(null)"));
 
70
#endif
69
71
  Item::cleanup();
70
72
  db_name= orig_db_name;
71
73
  table_name= orig_table_name;
76
78
 
77
79
bool Item_ident::remove_dependence_processor(unsigned char * arg)
78
80
{
79
 
  if (depended_from == (Select_Lex *) arg)
 
81
  if (depended_from == (st_select_lex *) arg)
80
82
    depended_from= 0;
81
83
  return(0);
82
84
}
84
86
const char *Item_ident::full_name() const
85
87
{
86
88
  char *tmp;
87
 
        size_t tmp_len;
88
89
  if (!table_name || !field_name)
89
90
    return field_name ? field_name : name ? name : "tmp_field";
90
91
  if (db_name && db_name[0])
91
92
  {
92
 
    tmp_len= strlen(db_name)+strlen(table_name)+strlen(field_name)+3;
93
 
    tmp= (char*) memory::sql_alloc(tmp_len);
94
 
    snprintf(tmp, tmp_len, "%s.%s.%s",db_name,table_name,field_name);
 
93
    tmp=(char*) sql_alloc((uint) strlen(db_name)+(uint) strlen(table_name)+
 
94
                          (uint) strlen(field_name)+3);
 
95
    sprintf(tmp,"%s.%s.%s",db_name,table_name,field_name);
95
96
  }
96
97
  else
97
98
  {
98
99
    if (table_name[0])
99
100
    {
100
 
      tmp_len=strlen(table_name)+strlen(field_name)+2;
101
 
      tmp= (char*) memory::sql_alloc(tmp_len);
102
 
      snprintf(tmp, tmp_len, "%s.%s", table_name, field_name);
 
101
      tmp= (char*) sql_alloc((uint) strlen(table_name) +
 
102
                             (uint) strlen(field_name) + 2);
 
103
      sprintf(tmp, "%s.%s", table_name, field_name);
103
104
    }
104
105
    else
105
106
      tmp= (char*) field_name;
111
112
void Item_ident::print(String *str,
112
113
                       enum_query_type)
113
114
{
114
 
  string d_name, t_name;
115
 
 
116
 
  if (table_name && table_name[0])
117
 
  {
118
 
    t_name.assign(table_name);
119
 
    std::transform(t_name.begin(), t_name.end(),
120
 
                   t_name.begin(), ::tolower);
121
 
  }
122
 
 
123
 
  if (db_name && db_name[0])
124
 
  {
125
 
    d_name.assign(db_name);
126
 
    // Keeping the std:: prefix here, since Item_ident has a transform
127
 
    // method
128
 
      std::transform(d_name.begin(), d_name.end(),
129
 
                     d_name.begin(), ::tolower);
 
115
  Session *session= current_session;
 
116
  char d_name_buff[MAX_ALIAS_NAME], t_name_buff[MAX_ALIAS_NAME];
 
117
  const char *d_name= db_name, *t_name= table_name;
 
118
  if (lower_case_table_names== 1 ||
 
119
      (lower_case_table_names == 2 && !alias_name_used))
 
120
  {
 
121
    if (table_name && table_name[0])
 
122
    {
 
123
      strcpy(t_name_buff, table_name);
 
124
      my_casedn_str(files_charset_info, t_name_buff);
 
125
      t_name= t_name_buff;
 
126
    }
 
127
    if (db_name && db_name[0])
 
128
    {
 
129
      strcpy(d_name_buff, db_name);
 
130
      my_casedn_str(files_charset_info, d_name_buff);
 
131
      d_name= d_name_buff;
 
132
    }
130
133
  }
131
134
 
132
135
  if (!table_name || !field_name || !field_name[0])
133
136
  {
134
137
    const char *nm= (field_name && field_name[0]) ?
135
138
                      field_name : name ? name : "tmp_field";
136
 
    str->append_identifier(nm, (uint32_t) strlen(nm));
137
 
 
 
139
    append_identifier(session, str, nm, (uint) strlen(nm));
138
140
    return;
139
141
  }
140
142
  if (db_name && db_name[0] && !alias_name_used)
141
143
  {
142
144
    {
143
 
      str->append_identifier(d_name.c_str(), d_name.length());
 
145
      append_identifier(session, str, d_name, (uint)strlen(d_name));
144
146
      str->append('.');
145
147
    }
146
 
    str->append_identifier(t_name.c_str(), t_name.length());
 
148
    append_identifier(session, str, t_name, (uint)strlen(t_name));
147
149
    str->append('.');
148
 
    str->append_identifier(field_name, (uint32_t)strlen(field_name));
 
150
    append_identifier(session, str, field_name, (uint)strlen(field_name));
149
151
  }
150
152
  else
151
153
  {
152
154
    if (table_name[0])
153
155
    {
154
 
      str->append_identifier(t_name.c_str(), t_name.length());
 
156
      append_identifier(session, str, t_name, (uint) strlen(t_name));
155
157
      str->append('.');
156
 
      str->append_identifier(field_name, (uint32_t) strlen(field_name));
 
158
      append_identifier(session, str, field_name, (uint) strlen(field_name));
157
159
    }
158
160
    else
159
 
      str->append_identifier(field_name, (uint32_t) strlen(field_name));
 
161
      append_identifier(session, str, field_name, (uint) strlen(field_name));
160
162
  }
161
163
}
162
164
 
174
176
 
175
177
String *Item_ident_for_show::val_str(String *str)
176
178
{
177
 
  return field->val_str_internal(str);
 
179
  return field->val_str(str);
178
180
}
179
181
 
180
182
 
183
185
  return field->val_decimal(dec);
184
186
}
185
187
 
186
 
void Item_ident_for_show::make_field(SendField *tmp_field)
 
188
void Item_ident_for_show::make_field(Send_field *tmp_field)
187
189
{
188
190
  tmp_field->table_name= tmp_field->org_table_name= table_name;
189
191
  tmp_field->db_name= db_name;
191
193
  tmp_field->charsetnr= field->charset()->number;
192
194
  tmp_field->length=field->field_length;
193
195
  tmp_field->type=field->type();
194
 
  tmp_field->flags= field->getTable()->maybe_null ?
 
196
  tmp_field->flags= field->table->maybe_null ?
195
197
    (field->flags & ~NOT_NULL_FLAG) : field->flags;
196
198
  tmp_field->decimals= field->decimals();
197
199
}
198
200
 
199
 
} /* namespace drizzled */