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- Committer: Mark Atwood
- Date: 2011-12-20 02:32:53 UTC
- mfrom: (2469.1.1 drizzle-build)
- Revision ID: me@mark.atwood.name-20111220023253-bvu0kr14kwsdvz7g
merge lp:~brianaker/drizzle/deprecate-pbms
- files removed:
- plugin/pbms
- plugin/pbms/docs
- plugin/pbms/src
- plugin/pbms/src/cslib
- plugin/pbms/tests
- plugin/pbms/tests/r
- plugin/pbms/tests/t
added
removed
plugin/pbms/src/discover_ms.cc
1
/* Copyright (C) 2008 PrimeBase Technologies GmbH, Germany
2
* Derived from code Copyright (C) 2000-2004 MySQL AB
3
*
4
* PrimeBase MS
5
*
6
* This program is free software; you can redistribute it and/or modify
7
* it under the terms of the GNU General Public License as published by
8
* the Free Software Foundation; either version 2 of the License, or
9
* (at your option) any later version.
10
*
11
* This program is distributed in the hope that it will be useful,
12
* but WITHOUT ANY WARRANTY; without even the implied warranty of
13
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14
* GNU General Public License for more details.
15
*
16
* You should have received a copy of the GNU General Public License
17
* along with this program; if not, write to the Free Software
18
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19
*
20
* Created by Barry Leslie on 8/27/08.
21
*
22
*/
23
24
#ifndef DRIZZLED
25
#include "discover_ms.h"
26
27
#include "mysql_priv.h"
28
#include "item_create.h"
29
#include <m_ctype.h>
30
#include "cslib/CSConfig.h"
31
#include "cslib/CSGlobal.h"
32
#include "cslib/CSThread.h"
33
#include "ha_pbms.h"
34
#undef new
35
36
#if MYSQL_VERSION_ID > 60005
37
#define DOT_STR(x) x.str
38
#else
39
#define DOT_STR(x) x
40
#endif
41
42
#define LOCK_OPEN_HACK_REQUIRED
43
44
#ifdef LOCK_OPEN_HACK_REQUIRED
45
///////////////////////////////
46
/*
47
* Unfortunately I cannot use the standard mysql_create_table_no_lock() because it will lock "LOCK_open"
48
* which has already been locked while the server is performing table discovery. So I have added this hack
49
* in here to create my own version. The following macros will make the changes I need to get it to work.
50
* The actual function code has been copied here without changes.
51
*
52
* Its almost enough to make you want to cry. :(
53
*/
54
//-----------------------------
55
56
#ifdef pthread_mutex_lock
57
#undef pthread_mutex_lock
58
#endif
59
60
#ifdef pthread_mutex_unlock
61
#undef pthread_mutex_unlock
62
#endif
63
64
#define mysql_create_table_no_lock hacked_mysql_create_table_no_lock
65
#define pthread_mutex_lock(l)
66
#define pthread_mutex_unlock(l)
67
68
#define check_engine(t, n, c) (0)
69
#define set_table_default_charset(t, c, d)
70
71
void calculate_interval_lengths(CHARSET_INFO *cs, TYPELIB *interval,
72
uint32 *max_length, uint32 *tot_length);
73
74
uint build_tmptable_filename(THD* thd, char *buff, size_t bufflen);
75
uint build_table_filename(char *buff, size_t bufflen, const char *db,
76
const char *table_name, const char *ext, uint flags);
77
78
//////////////////////////////////////////////////////////
79
////// START OF CUT AND PASTES FROM sql_table.cc ////////
80
//////////////////////////////////////////////////////////
81
82
// sort_keys() cut and pasted directly from sql_table.cc.
83
static int sort_keys(KEY *a, KEY *b)
84
{
85
ulong a_flags= a->flags, b_flags= b->flags;
86
87
if (a_flags & HA_NOSAME)
88
{
89
if (!(b_flags & HA_NOSAME))
90
return -1;
91
if ((a_flags ^ b_flags) & (HA_NULL_PART_KEY | HA_END_SPACE_KEY))
92
{
93
/* Sort NOT NULL keys before other keys */
94
return (a_flags & (HA_NULL_PART_KEY | HA_END_SPACE_KEY)) ? 1 : -1;
95
}
96
if (a->name == primary_key_name)
97
return -1;
98
if (b->name == primary_key_name)
99
return 1;
100
/* Sort keys don't containing partial segments before others */
101
if ((a_flags ^ b_flags) & HA_KEY_HAS_PART_KEY_SEG)
102
return (a_flags & HA_KEY_HAS_PART_KEY_SEG) ? 1 : -1;
103
}
104
else if (b_flags & HA_NOSAME)
105
return 1; // Prefer b
106
107
if ((a_flags ^ b_flags) & HA_FULLTEXT)
108
{
109
return (a_flags & HA_FULLTEXT) ? 1 : -1;
110
}
111
/*
112
Prefer original key order. usable_key_parts contains here
113
the original key position.
114
*/
115
return ((a->usable_key_parts < b->usable_key_parts) ? -1 :
116
(a->usable_key_parts > b->usable_key_parts) ? 1 :
117
0);
118
}
119
120
// check_if_keyname_exists() cut and pasted directly from sql_table.cc.
121
static bool
122
check_if_keyname_exists(const char *name, KEY *start, KEY *end)
123
{
124
for (KEY *key=start ; key != end ; key++)
125
if (!system_charset_info->strcasecmp(name,key->name))
126
return 1;
127
return 0;
128
}
129
130
// make_unique_key_name() cut and pasted directly from sql_table.cc.
131
static char *
132
make_unique_key_name(const char *field_name,KEY *start,KEY *end)
133
{
134
char buff[MAX_FIELD_NAME],*buff_end;
135
136
if (!check_if_keyname_exists(field_name,start,end) &&
137
my_strcasecmp(system_charset_info,field_name,primary_key_name))
138
return (char*) field_name; // Use fieldname
139
buff_end=strdup(buff,field_name, sizeof(buff)-4);
140
141
/*
142
Only 3 chars + '\0' left, so need to limit to 2 digit
143
This is ok as we can't have more than 100 keys anyway
144
*/
145
for (uint i=2 ; i< 100; i++)
146
{
147
*buff_end= '_';
148
int10_to_str(i, buff_end+1, 10);
149
if (!check_if_keyname_exists(buff,start,end))
150
return sql_strdup(buff);
151
}
152
return (char*) "not_specified"; // Should never happen
153
}
154
155
156
// prepare_blob_field() cut and pasted directly from sql_table.cc.
157
static bool prepare_blob_field(THD *thd, Create_field *sql_field)
158
{
159
DBUG_ENTER("prepare_blob_field");
160
161
if (sql_field->length > MAX_FIELD_VARCHARLENGTH &&
162
!(sql_field->flags & BLOB_FLAG))
163
{
164
/* Convert long VARCHAR columns to TEXT or BLOB */
165
char warn_buff[MYSQL_ERRMSG_SIZE];
166
167
if (sql_field->def || (thd->variables.sql_mode & (MODE_STRICT_TRANS_TABLES |
168
MODE_STRICT_ALL_TABLES)))
169
{
170
my_error(ER_TOO_BIG_FIELDLENGTH, MYF(0), sql_field->field_name,
171
MAX_FIELD_VARCHARLENGTH / sql_field->charset->mbmaxlen);
172
DBUG_RETURN(1);
173
}
174
sql_field->sql_type= MYSQL_TYPE_BLOB;
175
sql_field->flags|= BLOB_FLAG;
176
snprintf(warn_buff, MYSQL_ERRMSG_SIZE, ER(ER_AUTO_CONVERT), sql_field->field_name,
177
(sql_field->charset == &my_charset_bin) ? "VARBINARY" : "VARCHAR",
178
(sql_field->charset == &my_charset_bin) ? "BLOB" : "TEXT");
179
push_warning(thd, MYSQL_ERROR::WARN_LEVEL_NOTE, ER_AUTO_CONVERT,
180
warn_buff);
181
}
182
183
if ((sql_field->flags & BLOB_FLAG) && sql_field->length)
184
{
185
if (sql_field->sql_type == MYSQL_TYPE_BLOB)
186
{
187
/* The user has given a length to the blob column */
188
sql_field->sql_type= get_blob_type_from_length(sql_field->length);
189
sql_field->pack_length= calc_pack_length(sql_field->sql_type, 0);
190
}
191
sql_field->length= 0;
192
}
193
DBUG_RETURN(0);
194
}
195
196
//////////////////////////////
197
// mysql_prepare_create_table() cut and pasted directly from sql_table.cc.
198
static int
199
mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info,
200
Alter_info *alter_info,
201
bool tmp_table,
202
uint *db_options,
203
handler *file, KEY **key_info_buffer,
204
uint *key_count, int select_field_count)
205
{
206
const char *key_name;
207
Create_field *sql_field,*dup_field;
208
uint field,null_fields,blob_columns,max_key_length;
209
ulong record_offset= 0;
210
KEY *key_info;
211
KEY_PART_INFO *key_part_info;
212
int timestamps= 0, timestamps_with_niladic= 0;
213
int field_no,dup_no;
214
int select_field_pos,auto_increment=0;
215
List<Create_field>::iterator it(alter_info->create_list);
216
List<Create_field>::iterator it2(alter_info->create_list);
217
uint total_uneven_bit_length= 0;
218
DBUG_ENTER("mysql_prepare_create_table");
219
220
select_field_pos= alter_info->create_list.elements - select_field_count;
221
null_fields=blob_columns=0;
222
create_info->varchar= 0;
223
max_key_length= file->max_key_length();
224
225
for (field_no=0; (sql_field=it++) ; field_no++)
226
{
227
charset_info_st *save_cs;
228
229
/*
230
Initialize length from its original value (number of characters),
231
which was set in the parser. This is necessary if we're
232
executing a prepared statement for the second time.
233
*/
234
sql_field->length= sql_field->char_length;
235
if (!sql_field->charset)
236
sql_field->charset= create_info->default_table_charset;
237
/*
238
table_charset is set in ALTER TABLE if we want change character set
239
for all varchar/char columns.
240
But the table charset must not affect the BLOB fields, so don't
241
allow to change my_charset_bin to somethig else.
242
*/
243
if (create_info->table_charset && sql_field->charset != &my_charset_bin)
244
sql_field->charset= create_info->table_charset;
245
246
save_cs= sql_field->charset;
247
if ((sql_field->flags & BINCMP_FLAG) &&
248
!(sql_field->charset= get_charset_by_csname(sql_field->charset->csname,
249
MY_CS_BINSORT,MYF(0))))
250
{
251
char tmp[64];
252
strdup(strdup(tmp, save_cs->csname, sizeof(tmp)-4), STRING_WITH_LEN("_bin"));
253
my_error(ER_UNKNOWN_COLLATION, MYF(0), tmp);
254
DBUG_RETURN(TRUE);
255
}
256
257
/*
258
Convert the default value from client character
259
set into the column character set if necessary.
260
*/
261
if (sql_field->def &&
262
save_cs != sql_field->def->collation.collation &&
263
(sql_field->sql_type == MYSQL_TYPE_VAR_STRING ||
264
sql_field->sql_type == MYSQL_TYPE_STRING ||
265
sql_field->sql_type == MYSQL_TYPE_SET ||
266
sql_field->sql_type == MYSQL_TYPE_ENUM))
267
{
268
/*
269
Starting from 5.1 we work here with a copy of Create_field
270
created by the caller, not with the instance that was
271
originally created during parsing. It's OK to create
272
a temporary item and initialize with it a member of the
273
copy -- this item will be thrown away along with the copy
274
at the end of execution, and thus not introduce a dangling
275
pointer in the parsed tree of a prepared statement or a
276
stored procedure statement.
277
*/
278
sql_field->def= sql_field->def->safe_charset_converter(save_cs);
279
280
if (sql_field->def == NULL)
281
{
282
/* Could not convert */
283
my_error(ER_INVALID_DEFAULT, MYF(0), sql_field->field_name);
284
DBUG_RETURN(TRUE);
285
}
286
}
287
288
if (sql_field->sql_type == MYSQL_TYPE_SET ||
289
sql_field->sql_type == MYSQL_TYPE_ENUM)
290
{
291
uint32 dummy;
292
charset_info_st *cs= sql_field->charset;
293
TYPELIB *interval= sql_field->interval;
294
295
/*
296
Create typelib from interval_list, and if necessary
297
convert strings from client character set to the
298
column character set.
299
*/
300
if (!interval)
301
{
302
/*
303
Create the typelib in runtime memory - we will free the
304
occupied memory at the same time when we free this
305
sql_field -- at the end of execution.
306
*/
307
interval= sql_field->interval= typelib(thd->mem_root,
308
sql_field->interval_list);
309
List<String>::iterator int_it(sql_field->interval_list);
310
String conv, *tmp;
311
char comma_buf[2];
312
int comma_length= cs->cset->wc_mb(cs, ',', (uchar*) comma_buf,
313
(uchar*) comma_buf +
314
sizeof(comma_buf));
315
DBUG_ASSERT(comma_length > 0);
316
for (uint i= 0; (tmp= int_it++); i++)
317
{
318
uint lengthsp;
319
if (String::needs_conversion(tmp->length(), tmp->charset(), cs))
320
{
321
uint cnv_errs;
322
conv.copy(tmp->ptr(), tmp->length(), tmp->charset(), cs, &cnv_errs);
323
interval->type_names[i]= strdup(thd->mem_root, conv.ptr(),
324
conv.length());
325
interval->type_lengths[i]= conv.length();
326
}
327
328
// Strip trailing spaces.
329
lengthsp= cs->cset->lengthsp(cs, interval->type_names[i],
330
interval->type_lengths[i]);
331
interval->type_lengths[i]= lengthsp;
332
((uchar *)interval->type_names[i])[lengthsp]= '\0';
333
if (sql_field->sql_type == MYSQL_TYPE_SET)
334
{
335
if (cs->coll->instr(cs, interval->type_names[i],
336
interval->type_lengths[i],
337
comma_buf, comma_length, NULL, 0))
338
{
339
my_error(ER_ILLEGAL_VALUE_FOR_TYPE, MYF(0), "set", tmp->ptr());
340
DBUG_RETURN(TRUE);
341
}
342
}
343
}
344
sql_field->interval_list.empty(); // Don't need interval_list anymore
345
}
346
347
if (sql_field->sql_type == MYSQL_TYPE_SET)
348
{
349
uint32 field_length;
350
if (sql_field->def != NULL)
351
{
352
char *not_used;
353
uint not_used2;
354
bool not_found= 0;
355
String str, *def= sql_field->def->val_str(&str);
356
if (def == NULL) /* SQL "NULL" maps to NULL */
357
{
358
if ((sql_field->flags & NOT_NULL_FLAG) != 0)
359
{
360
my_error(ER_INVALID_DEFAULT, MYF(0), sql_field->field_name);
361
DBUG_RETURN(TRUE);
362
}
363
364
/* else, NULL is an allowed value */
365
(void) find_set(interval, NULL, 0,
366
cs, ¬_used, ¬_used2, ¬_found);
367
}
368
else /* not NULL */
369
{
370
(void) find_set(interval, def->ptr(), def->length(),
371
cs, ¬_used, ¬_used2, ¬_found);
372
}
373
374
if (not_found)
375
{
376
my_error(ER_INVALID_DEFAULT, MYF(0), sql_field->field_name);
377
DBUG_RETURN(TRUE);
378
}
379
}
380
calculate_interval_lengths(cs, interval, &dummy, &field_length);
381
sql_field->length= field_length + (interval->count - 1);
382
}
383
else /* MYSQL_TYPE_ENUM */
384
{
385
uint32 field_length;
386
DBUG_ASSERT(sql_field->sql_type == MYSQL_TYPE_ENUM);
387
if (sql_field->def != NULL)
388
{
389
String str, *def= sql_field->def->val_str(&str);
390
if (def == NULL) /* SQL "NULL" maps to NULL */
391
{
392
if ((sql_field->flags & NOT_NULL_FLAG) != 0)
393
{
394
my_error(ER_INVALID_DEFAULT, MYF(0), sql_field->field_name);
395
DBUG_RETURN(TRUE);
396
}
397
398
/* else, the defaults yield the correct length for NULLs. */
399
}
400
else /* not NULL */
401
{
402
def->length(cs->cset->lengthsp(cs, def->ptr(), def->length()));
403
if (find_type2(interval, def->ptr(), def->length(), cs) == 0) /* not found */
404
{
405
my_error(ER_INVALID_DEFAULT, MYF(0), sql_field->field_name);
406
DBUG_RETURN(TRUE);
407
}
408
}
409
}
410
calculate_interval_lengths(cs, interval, &field_length, &dummy);
411
sql_field->length= field_length;
412
}
413
set_if_smaller(sql_field->length, MAX_FIELD_WIDTH-1);
414
}
415
416
if (sql_field->sql_type == MYSQL_TYPE_BIT)
417
{
418
sql_field->pack_flag= FIELDFLAG_NUMBER;
419
if (file->ha_table_flags() & HA_CAN_BIT_FIELD)
420
total_uneven_bit_length+= sql_field->length & 7;
421
else
422
sql_field->pack_flag|= FIELDFLAG_TREAT_BIT_AS_CHAR;
423
}
424
425
sql_field->create_length_to_internal_length();
426
if (prepare_blob_field(thd, sql_field))
427
DBUG_RETURN(TRUE);
428
429
if (!(sql_field->flags & NOT_NULL_FLAG))
430
null_fields++;
431
432
if (check_column_name(sql_field->field_name))
433
{
434
my_error(ER_WRONG_COLUMN_NAME, MYF(0), sql_field->field_name);
435
DBUG_RETURN(TRUE);
436
}
437
438
/* Check if we have used the same field name before */
439
for (dup_no=0; (dup_field=it2++) != sql_field; dup_no++)
440
{
441
if (system_charset_info->strcasecmp(sql_field->field_name, dup_field->field_name) == 0)
442
{
443
/*
444
If this was a CREATE ... SELECT statement, accept a field
445
redefinition if we are changing a field in the SELECT part
446
*/
447
if (field_no < select_field_pos || dup_no >= select_field_pos)
448
{
449
my_error(ER_DUP_FIELDNAME, MYF(0), sql_field->field_name);
450
DBUG_RETURN(TRUE);
451
}
452
else
453
{
454
/* Field redefined */
455
sql_field->def= dup_field->def;
456
sql_field->sql_type= dup_field->sql_type;
457
sql_field->charset= (dup_field->charset ?
458
dup_field->charset :
459
create_info->default_table_charset);
460
sql_field->length= dup_field->char_length;
461
sql_field->pack_length= dup_field->pack_length;
462
sql_field->key_length= dup_field->key_length;
463
sql_field->decimals= dup_field->decimals;
464
sql_field->create_length_to_internal_length();
465
sql_field->unireg_check= dup_field->unireg_check;
466
/*
467
We're making one field from two, the result field will have
468
dup_field->flags as flags. If we've incremented null_fields
469
because of sql_field->flags, decrement it back.
470
*/
471
if (!(sql_field->flags & NOT_NULL_FLAG))
472
null_fields--;
473
sql_field->flags= dup_field->flags;
474
sql_field->interval= dup_field->interval;
475
it2.remove(); // Remove first (create) definition
476
select_field_pos--;
477
break;
478
}
479
}
480
}
481
/* Don't pack rows in old tables if the user has requested this */
482
if ((sql_field->flags & BLOB_FLAG) ||
483
sql_field->sql_type == MYSQL_TYPE_VARCHAR &&
484
create_info->row_type != ROW_TYPE_FIXED)
485
(*db_options)|= HA_OPTION_PACK_RECORD;
486
it2= alter_info->create_list;
487
}
488
489
/* record_offset will be increased with 'length-of-null-bits' later */
490
record_offset= 0;
491
null_fields+= total_uneven_bit_length;
492
493
it= alter_info->create_list;
494
while ((sql_field=it++))
495
{
496
DBUG_ASSERT(sql_field->charset != 0);
497
498
if (prepare_create_field(sql_field, &blob_columns,
499
×tamps, ×tamps_with_niladic,
500
file->ha_table_flags()))
501
DBUG_RETURN(TRUE);
502
if (sql_field->sql_type == MYSQL_TYPE_VARCHAR)
503
create_info->varchar= TRUE;
504
sql_field->offset= record_offset;
505
if (MTYP_TYPENR(sql_field->unireg_check) == Field::NEXT_NUMBER)
506
auto_increment++;
507
record_offset+= sql_field->pack_length;
508
}
509
if (timestamps_with_niladic > 1)
510
{
511
my_message(ER_TOO_MUCH_AUTO_TIMESTAMP_COLS,
512
ER(ER_TOO_MUCH_AUTO_TIMESTAMP_COLS), MYF(0));
513
DBUG_RETURN(TRUE);
514
}
515
if (auto_increment > 1)
516
{
517
my_message(ER_WRONG_AUTO_KEY, ER(ER_WRONG_AUTO_KEY), MYF(0));
518
DBUG_RETURN(TRUE);
519
}
520
if (auto_increment &&
521
(file->ha_table_flags() & HA_NO_AUTO_INCREMENT))
522
{
523
my_message(ER_TABLE_CANT_HANDLE_AUTO_INCREMENT,
524
ER(ER_TABLE_CANT_HANDLE_AUTO_INCREMENT), MYF(0));
525
DBUG_RETURN(TRUE);
526
}
527
528
if (blob_columns && (file->ha_table_flags() & HA_NO_BLOBS))
529
{
530
my_message(ER_TABLE_CANT_HANDLE_BLOB, ER(ER_TABLE_CANT_HANDLE_BLOB),
531
MYF(0));
532
DBUG_RETURN(TRUE);
533
}
534
535
/* Create keys */
536
537
List<Key>::iterator key_iterator(alter_info->key_list);
538
List<Key>::iterator key_iterator2(alter_info->key_list);
539
uint key_parts=0, fk_key_count=0;
540
bool primary_key=0,unique_key=0;
541
Key *key, *key2;
542
uint tmp, key_number;
543
/* special marker for keys to be ignored */
544
static char ignore_key[1];
545
546
/* Calculate number of key segements */
547
*key_count= 0;
548
549
while ((key=key_iterator++))
550
{
551
DBUG_PRINT("info", ("key name: '%s' type: %d", key->DOT_STR(name) ? key->DOT_STR(name) :
552
"(none)" , key->type));
553
lex_string_t key_name_str;
554
if (key->type == Key::FOREIGN_KEY)
555
{
556
fk_key_count++;
557
Foreign_key *fk_key= (Foreign_key*) key;
558
if (fk_key->ref_columns.elements &&
559
fk_key->ref_columns.elements != fk_key->columns.elements)
560
{
561
my_error(ER_WRONG_FK_DEF, MYF(0),
562
(fk_key->DOT_STR(name) ? fk_key->DOT_STR(name) : "foreign key without name"),
563
ER(ER_KEY_REF_DO_NOT_MATCH_TABLE_REF));
564
DBUG_RETURN(TRUE);
565
}
566
continue;
567
}
568
(*key_count)++;
569
tmp=file->max_key_parts();
570
if (key->columns.elements > tmp)
571
{
572
my_error(ER_TOO_MANY_KEY_PARTS,MYF(0),tmp);
573
DBUG_RETURN(TRUE);
574
}
575
key_name_str.str= (char*) key->DOT_STR(name);
576
key_name_str.length= key->DOT_STR(name) ? strlen(key->DOT_STR(name)) : 0;
577
if (check_string_char_length(&key_name_str, "", NAME_CHAR_LEN,
578
system_charset_info, 1))
579
{
580
my_error(ER_TOO_LONG_IDENT, MYF(0), key->DOT_STR(name));
581
DBUG_RETURN(TRUE);
582
}
583
key_iterator2= alter_info->key_list;
584
if (key->type != Key::FOREIGN_KEY)
585
{
586
while ((key2 = key_iterator2++) != key)
587
{
588
/*
589
foreign_key_prefix(key, key2) returns 0 if key or key2, or both, is
590
'generated', and a generated key is a prefix of the other key.
591
Then we do not need the generated shorter key.
592
*/
593
if ((key2->type != Key::FOREIGN_KEY &&
594
key2->DOT_STR(name) != ignore_key &&
595
!foreign_key_prefix(key, key2)))
596
{
597
/* TODO: issue warning message */
598
/* mark that the generated key should be ignored */
599
if (!key2->generated ||
600
(key->generated && key->columns.elements <
601
key2->columns.elements))
602
key->DOT_STR(name)= ignore_key;
603
else
604
{
605
key2->DOT_STR(name)= ignore_key;
606
key_parts-= key2->columns.elements;
607
(*key_count)--;
608
}
609
break;
610
}
611
}
612
}
613
if (key->DOT_STR(name) != ignore_key)
614
key_parts+=key->columns.elements;
615
else
616
(*key_count)--;
617
if (key->DOT_STR(name) && !tmp_table && (key->type != Key::PRIMARY) &&
618
!system_charset_info->strcasecmp(key->DOT_STR(name),primary_key_name))
619
{
620
my_error(ER_WRONG_NAME_FOR_INDEX, MYF(0), key->DOT_STR(name));
621
DBUG_RETURN(TRUE);
622
}
623
}
624
tmp=file->max_keys();
625
if (*key_count > tmp)
626
{
627
my_error(ER_TOO_MANY_KEYS,MYF(0),tmp);
628
DBUG_RETURN(TRUE);
629
}
630
631
(*key_info_buffer)= key_info= (KEY*) sql_calloc(sizeof(KEY) * (*key_count));
632
key_part_info=(KEY_PART_INFO*) sql_calloc(sizeof(KEY_PART_INFO)*key_parts);
633
if (!*key_info_buffer || ! key_part_info)
634
DBUG_RETURN(TRUE); // Out of memory
635
636
key_iterator= alter_info->key_list;
637
key_number=0;
638
for (; (key=key_iterator++) ; key_number++)
639
{
640
uint key_length=0;
641
Key_part_spec *column;
642
643
if (key->DOT_STR(name) == ignore_key)
644
{
645
/* ignore redundant keys */
646
do
647
key=key_iterator++;
648
while (key && key->DOT_STR(name) == ignore_key);
649
if (!key)
650
break;
651
}
652
653
switch (key->type) {
654
case Key::MULTIPLE:
655
key_info->flags= 0;
656
break;
657
case Key::FULLTEXT:
658
key_info->flags= HA_FULLTEXT;
659
if ((key_info->parser_name= &key->key_create_info.parser_name)->data())
660
key_info->flags|= HA_USES_PARSER;
661
else
662
key_info->parser_name= 0;
663
break;
664
case Key::SPATIAL:
665
#ifdef HAVE_SPATIAL
666
key_info->flags= HA_SPATIAL;
667
break;
668
#else
669
my_error(ER_FEATURE_DISABLED, MYF(0),
670
sym_group_geom.name, sym_group_geom.needed_define);
671
DBUG_RETURN(TRUE);
672
#endif
673
case Key::FOREIGN_KEY:
674
key_number--; // Skip this key
675
continue;
676
default:
677
key_info->flags = HA_NOSAME;
678
break;
679
}
680
if (key->generated)
681
key_info->flags|= HA_GENERATED_KEY;
682
683
key_info->key_parts=(uint8) key->columns.elements;
684
key_info->key_part=key_part_info;
685
key_info->usable_key_parts= key_number;
686
key_info->algorithm= key->key_create_info.algorithm;
687
688
if (key->type == Key::FULLTEXT)
689
{
690
if (!(file->ha_table_flags() & HA_CAN_FULLTEXT))
691
{
692
my_message(ER_TABLE_CANT_HANDLE_FT, ER(ER_TABLE_CANT_HANDLE_FT),
693
MYF(0));
694
DBUG_RETURN(TRUE);
695
}
696
}
697
/*
698
Make SPATIAL to be RTREE by default
699
SPATIAL only on BLOB or at least BINARY, this
700
actually should be replaced by special GEOM type
701
in near future when new frm file is ready
702
checking for proper key parts number:
703
*/
704
705
/* TODO: Add proper checks if handler supports key_type and algorithm */
706
if (key_info->flags & HA_SPATIAL)
707
{
708
if (!(file->ha_table_flags() & HA_CAN_RTREEKEYS))
709
{
710
my_message(ER_TABLE_CANT_HANDLE_SPKEYS, ER(ER_TABLE_CANT_HANDLE_SPKEYS),
711
MYF(0));
712
DBUG_RETURN(TRUE);
713
}
714
if (key_info->key_parts != 1)
715
{
716
my_error(ER_WRONG_ARGUMENTS, MYF(0), "SPATIAL INDEX");
717
DBUG_RETURN(TRUE);
718
}
719
}
720
else if (key_info->algorithm == HA_KEY_ALG_RTREE)
721
{
722
#ifdef HAVE_RTREE_KEYS
723
if ((key_info->key_parts & 1) == 1)
724
{
725
my_error(ER_WRONG_ARGUMENTS, MYF(0), "RTREE INDEX");
726
DBUG_RETURN(TRUE);
727
}
728
/* TODO: To be deleted */
729
my_error(ER_NOT_SUPPORTED_YET, MYF(0), "RTREE INDEX");
730
DBUG_RETURN(TRUE);
731
#else
732
my_error(ER_FEATURE_DISABLED, MYF(0),
733
sym_group_rtree.name, sym_group_rtree.needed_define);
734
DBUG_RETURN(TRUE);
735
#endif
736
}
737
738
/* Take block size from key part or table part */
739
/*
740
TODO: Add warning if block size changes. We can't do it here, as
741
this may depend on the size of the key
742
*/
743
key_info->block_size= (key->key_create_info.block_size ?
744
key->key_create_info.block_size :
745
create_info->key_block_size);
746
747
if (key_info->block_size)
748
key_info->flags|= HA_USES_BLOCK_SIZE;
749
750
List<Key_part_spec>::iterator cols(key->columns);
751
List<Key_part_spec>::iterator cols2(key->columns);
752
charset_info_st *ft_key_charset=0; // for FULLTEXT
753
for (uint column_nr=0 ; (column=cols++) ; column_nr++)
754
{
755
uint length;
756
Key_part_spec *dup_column;
757
758
it= alter_info->create_list;
759
field=0;
760
while ((sql_field=it++) && system_charset_info->strcasecmp(column->DOT_STR(field_name), sql_field->field_name))
761
field++;
762
if (!sql_field)
763
{
764
my_error(ER_KEY_COLUMN_DOES_NOT_EXITS, MYF(0), column->field_name);
765
DBUG_RETURN(TRUE);
766
}
767
while ((dup_column= cols2++) != column)
768
{
769
if (!system_charset_info->strcasecmp(column->DOT_STR(field_name), dup_column->DOT_STR(field_name)))
770
{
771
my_printf_error(ER_DUP_FIELDNAME,
772
ER(ER_DUP_FIELDNAME),MYF(0),
773
column->field_name);
774
DBUG_RETURN(TRUE);
775
}
776
}
777
cols2= key->columns;
778
if (key->type == Key::FULLTEXT)
779
{
780
if ((sql_field->sql_type != MYSQL_TYPE_STRING &&
781
sql_field->sql_type != MYSQL_TYPE_VARCHAR &&
782
!f_is_blob(sql_field->pack_flag)) ||
783
sql_field->charset == &my_charset_bin ||
784
sql_field->charset->mbminlen > 1 || // ucs2 doesn't work yet
785
(ft_key_charset && sql_field->charset != ft_key_charset))
786
{
787
my_error(ER_BAD_FT_COLUMN, MYF(0), column->field_name);
788
DBUG_RETURN(-1);
789
}
790
ft_key_charset=sql_field->charset;
791
/*
792
for fulltext keys keyseg length is 1 for blobs (it's ignored in ft
793
code anyway, and 0 (set to column width later) for char's. it has
794
to be correct col width for char's, as char data are not prefixed
795
with length (unlike blobs, where ft code takes data length from a
796
data prefix, ignoring column->length).
797
*/
798
column->length=test(f_is_blob(sql_field->pack_flag));
799
}
800
else
801
{
802
column->length*= sql_field->charset->mbmaxlen;
803
804
if (key->type == Key::SPATIAL && column->length)
805
{
806
my_error(ER_WRONG_SUB_KEY, MYF(0));
807
DBUG_RETURN(TRUE);
808
}
809
810
if (f_is_blob(sql_field->pack_flag) ||
811
(f_is_geom(sql_field->pack_flag) && key->type != Key::SPATIAL))
812
{
813
if (!(file->ha_table_flags() & HA_CAN_INDEX_BLOBS))
814
{
815
my_error(ER_BLOB_USED_AS_KEY, MYF(0), column->field_name);
816
DBUG_RETURN(TRUE);
817
}
818
if (f_is_geom(sql_field->pack_flag) && sql_field->geom_type ==
819
Field::GEOM_POINT)
820
column->length= 25;
821
if (!column->length)
822
{
823
my_error(ER_BLOB_KEY_WITHOUT_LENGTH, MYF(0), column->field_name);
824
DBUG_RETURN(TRUE);
825
}
826
}
827
#ifdef HAVE_SPATIAL
828
if (key->type == Key::SPATIAL)
829
{
830
if (!column->length)
831
{
832
/*
833
4 is: (Xmin,Xmax,Ymin,Ymax), this is for 2D case
834
Lately we'll extend this code to support more dimensions
835
*/
836
column->length= 4*sizeof(double);
837
}
838
}
839
#endif
840
if (!(sql_field->flags & NOT_NULL_FLAG))
841
{
842
if (key->type == Key::PRIMARY)
843
{
844
/* Implicitly set primary key fields to NOT NULL for ISO conf. */
845
sql_field->flags|= NOT_NULL_FLAG;
846
sql_field->pack_flag&= ~FIELDFLAG_MAYBE_NULL;
847
null_fields--;
848
}
849
else
850
{
851
key_info->flags|= HA_NULL_PART_KEY;
852
if (!(file->ha_table_flags() & HA_NULL_IN_KEY))
853
{
854
my_error(ER_NULL_COLUMN_IN_INDEX, MYF(0), column->field_name);
855
DBUG_RETURN(TRUE);
856
}
857
if (key->type == Key::SPATIAL)
858
{
859
my_message(ER_SPATIAL_CANT_HAVE_NULL,
860
ER(ER_SPATIAL_CANT_HAVE_NULL), MYF(0));
861
DBUG_RETURN(TRUE);
862
}
863
}
864
}
865
if (MTYP_TYPENR(sql_field->unireg_check) == Field::NEXT_NUMBER)
866
{
867
if (column_nr == 0 || (file->ha_table_flags() & HA_AUTO_PART_KEY))
868
auto_increment--; // Field is used
869
}
870
}
871
872
key_part_info->fieldnr= field;
873
key_part_info->offset= (uint16) sql_field->offset;
874
key_part_info->key_type=sql_field->pack_flag;
875
length= sql_field->key_length;
876
877
if (column->length)
878
{
879
if (f_is_blob(sql_field->pack_flag))
880
{
881
if ((length=column->length) > max_key_length ||
882
length > file->max_key_part_length())
883
{
884
length=min(max_key_length, file->max_key_part_length());
885
if (key->type == Key::MULTIPLE)
886
{
887
/* not a critical problem */
888
char warn_buff[MYSQL_ERRMSG_SIZE];
889
my_snprintf(warn_buff, sizeof(warn_buff), ER(ER_TOO_LONG_KEY),
890
length);
891
push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
892
ER_TOO_LONG_KEY, warn_buff);
893
/* Align key length to multibyte char boundary */
894
length-= length % sql_field->charset->mbmaxlen;
895
}
896
else
897
{
898
my_error(ER_TOO_LONG_KEY,MYF(0),length);
899
DBUG_RETURN(TRUE);
900
}
901
}
902
}
903
else if (!f_is_geom(sql_field->pack_flag) &&
904
(column->length > length ||
905
!Field::type_can_have_key_part (sql_field->sql_type) ||
906
((f_is_packed(sql_field->pack_flag) ||
907
((file->ha_table_flags() & HA_NO_PREFIX_CHAR_KEYS) &&
908
(key_info->flags & HA_NOSAME))) &&
909
column->length != length)))
910
{
911
my_message(ER_WRONG_SUB_KEY, ER(ER_WRONG_SUB_KEY), MYF(0));
912
DBUG_RETURN(TRUE);
913
}
914
else if (!(file->ha_table_flags() & HA_NO_PREFIX_CHAR_KEYS))
915
length=column->length;
916
}
917
else if (length == 0)
918
{
919
my_error(ER_WRONG_KEY_COLUMN, MYF(0), column->field_name);
920
DBUG_RETURN(TRUE);
921
}
922
if (length > file->max_key_part_length() && key->type != Key::FULLTEXT)
923
{
924
length= file->max_key_part_length();
925
if (key->type == Key::MULTIPLE)
926
{
927
/* not a critical problem */
928
char warn_buff[MYSQL_ERRMSG_SIZE];
929
my_snprintf(warn_buff, sizeof(warn_buff), ER(ER_TOO_LONG_KEY),
930
length);
931
push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
932
ER_TOO_LONG_KEY, warn_buff);
933
/* Align key length to multibyte char boundary */
934
length-= length % sql_field->charset->mbmaxlen;
935
}
936
else
937
{
938
my_error(ER_TOO_LONG_KEY,MYF(0),length);
939
DBUG_RETURN(TRUE);
940
}
941
}
942
key_part_info->length=(uint16) length;
943
/* Use packed keys for long strings on the first column */
944
if (!((*db_options) & HA_OPTION_NO_PACK_KEYS) &&
945
(length >= KEY_DEFAULT_PACK_LENGTH &&
946
(sql_field->sql_type == MYSQL_TYPE_STRING ||
947
sql_field->sql_type == MYSQL_TYPE_VARCHAR ||
948
sql_field->pack_flag & FIELDFLAG_BLOB)))
949
{
950
if (column_nr == 0 && (sql_field->pack_flag & FIELDFLAG_BLOB) ||
951
sql_field->sql_type == MYSQL_TYPE_VARCHAR)
952
key_info->flags|= HA_BINARY_PACK_KEY | HA_VAR_LENGTH_KEY;
953
else
954
key_info->flags|= HA_PACK_KEY;
955
}
956
/* Check if the key segment is partial, set the key flag accordingly */
957
if (length != sql_field->key_length)
958
key_info->flags|= HA_KEY_HAS_PART_KEY_SEG;
959
960
key_length+=length;
961
key_part_info++;
962
963
/* Create the key name based on the first column (if not given) */
964
if (column_nr == 0)
965
{
966
if (key->type == Key::PRIMARY)
967
{
968
if (primary_key)
969
{
970
my_message(ER_MULTIPLE_PRI_KEY, ER(ER_MULTIPLE_PRI_KEY),
971
MYF(0));
972
DBUG_RETURN(TRUE);
973
}
974
key_name=primary_key_name;
975
primary_key=1;
976
}
977
else if (!(key_name = key->DOT_STR(name)))
978
key_name=make_unique_key_name(sql_field->field_name,
979
*key_info_buffer, key_info);
980
if (check_if_keyname_exists(key_name, *key_info_buffer, key_info))
981
{
982
my_error(ER_DUP_KEYNAME, MYF(0), key_name);
983
DBUG_RETURN(TRUE);
984
}
985
key_info->name=(char*) key_name;
986
}
987
}
988
if (!key_info->name || check_column_name(key_info->name))
989
{
990
my_error(ER_WRONG_NAME_FOR_INDEX, MYF(0), key_info->name);
991
DBUG_RETURN(TRUE);
992
}
993
if (!(key_info->flags & HA_NULL_PART_KEY))
994
unique_key=1;
995
key_info->key_length=(uint16) key_length;
996
if (key_length > max_key_length && key->type != Key::FULLTEXT)
997
{
998
my_error(ER_TOO_LONG_KEY,MYF(0),max_key_length);
999
DBUG_RETURN(TRUE);
1000
}
1001
key_info++;
1002
}
1003
if (!unique_key && !primary_key &&
1004
(file->ha_table_flags() & HA_REQUIRE_PRIMARY_KEY))
1005
{
1006
my_message(ER_REQUIRES_PRIMARY_KEY, ER(ER_REQUIRES_PRIMARY_KEY), MYF(0));
1007
DBUG_RETURN(TRUE);
1008
}
1009
if (auto_increment > 0)
1010
{
1011
my_message(ER_WRONG_AUTO_KEY, ER(ER_WRONG_AUTO_KEY), MYF(0));
1012
DBUG_RETURN(TRUE);
1013
}
1014
/* Sort keys in optimized order */
1015
my_qsort((uchar*) *key_info_buffer, *key_count, sizeof(KEY),
1016
(qsort_cmp) sort_keys);
1017
create_info->null_bits= null_fields;
1018
1019
/* Check fields. */
1020
it= alter_info->create_list;
1021
while ((sql_field=it++))
1022
{
1023
Field::utype type= (Field::utype) MTYP_TYPENR(sql_field->unireg_check);
1024
1025
if (thd->variables.sql_mode & MODE_NO_ZERO_DATE &&
1026
!sql_field->def &&
1027
sql_field->sql_type == MYSQL_TYPE_TIMESTAMP &&
1028
(sql_field->flags & NOT_NULL_FLAG) &&
1029
(type == Field::NONE || type == Field::TIMESTAMP_UN_FIELD))
1030
{
1031
/*
1032
An error should be reported if:
1033
- NO_ZERO_DATE SQL mode is active;
1034
- there is no explicit DEFAULT clause (default column value);
1035
- this is a TIMESTAMP column;
1036
- the column is not NULL;
1037
- this is not the DEFAULT CURRENT_TIMESTAMP column.
1038
1039
In other words, an error should be reported if
1040
- NO_ZERO_DATE SQL mode is active;
1041
- the column definition is equivalent to
1042
'column_name TIMESTAMP DEFAULT 0'.
1043
*/
1044
1045
my_error(ER_INVALID_DEFAULT, MYF(0), sql_field->field_name);
1046
DBUG_RETURN(TRUE);
1047
}
1048
}
1049
1050
DBUG_RETURN(FALSE);
1051
}
1052
1053
//////////////////////////////
1054
// mysql_create_table_no_lock() cut and pasted directly from sql_table.cc. (I did make is static after copying it.)
1055
1056
static bool mysql_create_table_no_lock(THD *thd,
1057
const char *db, const char *table_name,
1058
HA_CREATE_INFO *create_info,
1059
Alter_info *alter_info,
1060
bool internal_tmp_table,
1061
uint select_field_count)
1062
{
1063
char path[FN_REFLEN];
1064
uint path_length;
1065
const char *alias;
1066
uint db_options, key_count;
1067
KEY *key_info_buffer;
1068
handler *file;
1069
bool error= TRUE;
1070
DBUG_ENTER("mysql_create_table_no_lock");
1071
DBUG_PRINT("enter", ("db: '%s' table: '%s' tmp: %d",
1072
db, table_name, internal_tmp_table));
1073
1074
1075
/* Check for duplicate fields and check type of table to create */
1076
if (!alter_info->create_list.elements)
1077
{
1078
my_message(ER_TABLE_MUST_HAVE_COLUMNS, ER(ER_TABLE_MUST_HAVE_COLUMNS),
1079
MYF(0));
1080
DBUG_RETURN(TRUE);
1081
}
1082
if (check_engine(thd, table_name, create_info))
1083
DBUG_RETURN(TRUE);
1084
db_options= create_info->table_options;
1085
if (create_info->row_type == ROW_TYPE_DYNAMIC)
1086
db_options|=HA_OPTION_PACK_RECORD;
1087
alias= table_case_name(create_info, table_name);
1088
1089
/* PMC - Done to avoid getting the partition handler by mistake! */
1090
if (!(file= new (thd->mem_root) ha_pbms(pbms_hton, NULL)))
1091
{
1092
mem_alloc_error(sizeof(handler));
1093
DBUG_RETURN(TRUE);
1094
}
1095
1096
file->init();
1097
1098
set_table_default_charset(thd, create_info, (char*) db);
1099
1100
if (mysql_prepare_create_table(thd, create_info, alter_info,
1101
internal_tmp_table,
1102
&db_options, file,
1103
&key_info_buffer, &key_count,
1104
select_field_count))
1105
goto err;
1106
1107
/* Check if table exists */
1108
if (create_info->options & HA_LEX_CREATE_TMP_TABLE)
1109
{
1110
path_length= build_tmptable_filename(thd, path, sizeof(path));
1111
create_info->table_options|=HA_CREATE_DELAY_KEY_WRITE;
1112
}
1113
else
1114
{
1115
#ifdef FN_DEVCHAR
1116
/* check if the table name contains FN_DEVCHAR when defined */
1117
if (strchr(alias, FN_DEVCHAR))
1118
{
1119
my_error(ER_WRONG_TABLE_NAME, MYF(0), alias);
1120
DBUG_RETURN(TRUE);
1121
}
1122
#endif
1123
path_length= build_table_filename(path, sizeof(path), db, alias, reg_ext,
1124
internal_tmp_table ? FN_IS_TMP : 0);
1125
}
1126
1127
/* Check if table already exists */
1128
if ((create_info->options & HA_LEX_CREATE_TMP_TABLE) &&
1129
find_temporary_table(thd, db, table_name))
1130
{
1131
if (create_info->options & HA_LEX_CREATE_IF_NOT_EXISTS)
1132
{
1133
create_info->table_existed= 1; // Mark that table existed
1134
push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_NOTE,
1135
ER_TABLE_EXISTS_ERROR, ER(ER_TABLE_EXISTS_ERROR),
1136
alias);
1137
error= 0;
1138
goto err;
1139
}
1140
my_error(ER_TABLE_EXISTS_ERROR, MYF(0), alias);
1141
goto err;
1142
}
1143
1144
pthread_mutex_lock(&LOCK_open);
1145
if (!internal_tmp_table && !(create_info->options & HA_LEX_CREATE_TMP_TABLE))
1146
{
1147
if (!access(path,F_OK))
1148
{
1149
if (create_info->options & HA_LEX_CREATE_IF_NOT_EXISTS)
1150
goto warn;
1151
my_error(ER_TABLE_EXISTS_ERROR,MYF(0),table_name);
1152
goto unlock_and_end;
1153
}
1154
/*
1155
We don't assert here, but check the result, because the table could be
1156
in the table definition cache and in the same time the .frm could be
1157
missing from the disk, in case of manual intervention which deletes
1158
the .frm file. The user has to use FLUSH TABLES; to clear the cache.
1159
Then she could create the table. This case is pretty obscure and
1160
therefore we don't introduce a new error message only for it.
1161
*/
1162
if (get_cached_table_share(db, alias))
1163
{
1164
my_error(ER_TABLE_EXISTS_ERROR, MYF(0), table_name);
1165
goto unlock_and_end;
1166
}
1167
}
1168
1169
/*
1170
Check that table with given name does not already
1171
exist in any storage engine. In such a case it should
1172
be discovered and the error ER_TABLE_EXISTS_ERROR be returned
1173
unless user specified CREATE TABLE IF EXISTS
1174
The LOCK_open mutex has been locked to make sure no
1175
one else is attempting to discover the table. Since
1176
it's not on disk as a frm file, no one could be using it!
1177
*/
1178
if (!(create_info->options & HA_LEX_CREATE_TMP_TABLE))
1179
{
1180
bool create_if_not_exists =
1181
create_info->options & HA_LEX_CREATE_IF_NOT_EXISTS;
1182
int retcode = ha_table_exists_in_engine(thd, db, table_name);
1183
DBUG_PRINT("info", ("exists_in_engine: %"PRIu32"",retcode));
1184
switch (retcode)
1185
{
1186
case HA_ERR_NO_SUCH_TABLE:
1187
/* Normal case, no table exists. we can go and create it */
1188
break;
1189
case HA_ERR_TABLE_EXIST:
1190
DBUG_PRINT("info", ("Table existed in handler"));
1191
1192
if (create_if_not_exists)
1193
goto warn;
1194
my_error(ER_TABLE_EXISTS_ERROR,MYF(0),table_name);
1195
goto unlock_and_end;
1196
break;
1197
default:
1198
DBUG_PRINT("info", ("error: %"PRIu32" from storage engine", retcode));
1199
my_error(retcode, MYF(0),table_name);
1200
goto unlock_and_end;
1201
}
1202
}
1203
1204
thd_proc_info(thd, "creating table");
1205
create_info->table_existed= 0; // Mark that table is created
1206
1207
create_info->table_options=db_options;
1208
1209
path[path_length - reg_ext_length]= '\0'; // Remove .frm extension
1210
if (rea_create_table(thd, path, db, table_name,
1211
create_info, alter_info->create_list,
1212
key_count, key_info_buffer, file))
1213
goto unlock_and_end;
1214
1215
if (create_info->options & HA_LEX_CREATE_TMP_TABLE)
1216
{
1217
/* Open table and put in temporary table list */
1218
#if MYSQL_VERSION_ID > 60005
1219
if (!(open_temporary_table(thd, path, db, table_name, 1, OTM_OPEN)))
1220
#else
1221
if (!(open_temporary_table(thd, path, db, table_name, 1)))
1222
#endif
1223
{
1224
#if MYSQL_VERSION_ID > 60005
1225
(void) rm_temporary_table(create_info->db_type, path, false);
1226
#else
1227
(void) rm_temporary_table(create_info->db_type, path);
1228
#endif
1229
goto unlock_and_end;
1230
}
1231
thd->thread_specific_used= TRUE;
1232
}
1233
1234
/*
1235
Don't write statement if:
1236
- It is an internal temporary table,
1237
- Row-based logging is used and it we are creating a temporary table, or
1238
- The binary log is not open.
1239
Otherwise, the statement shall be binlogged.
1240
*/
1241
if (!internal_tmp_table &&
1242
(!thd->current_stmt_binlog_row_based ||
1243
(thd->current_stmt_binlog_row_based &&
1244
!(create_info->options & HA_LEX_CREATE_TMP_TABLE))))
1245
#if MYSQL_VERSION_ID > 50140
1246
write_bin_log(thd, TRUE, thd->query(), thd->query_length());
1247
#else
1248
write_bin_log(thd, TRUE, thd->query, thd->query_length);
1249
#endif
1250
error= FALSE;
1251
unlock_and_end:
1252
pthread_mutex_unlock(&LOCK_open);
1253
1254
err:
1255
thd_proc_info(thd, "After create");
1256
delete file;
1257
DBUG_RETURN(error);
1258
1259
warn:
1260
error= FALSE;
1261
push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_NOTE,
1262
ER_TABLE_EXISTS_ERROR, ER(ER_TABLE_EXISTS_ERROR),
1263
alias);
1264
create_info->table_existed= 1; // Mark that table existed
1265
goto unlock_and_end;
1266
}
1267
1268
////////////////////////////////////////////////////////
1269
////// END OF CUT AND PASTES FROM sql_table.cc ////////
1270
////////////////////////////////////////////////////////
1271
1272
#endif // LOCK_OPEN_HACK_REQUIRED
1273
1274
//#define HAVE_KEYS
1275
//------------------------------
1276
int ms_create_table_frm(handlerton *hton, THD* thd, const char *db, const char *name, DT_FIELD_INFO *info, DT_KEY_INFO *keys, uchar **frmblob, size_t *frmlen )
1277
{
1278
char file_name[FN_REFLEN];
1279
int err = 1, delete_frm = 0;
1280
char field_length_buffer[12], *field_length_ptr;
1281
LEX *save_lex= thd->lex, mylex;
1282
1283
memset(&mylex.create_info, 0, sizeof(HA_CREATE_INFO));
1284
1285
thd->lex = &mylex;
1286
lex_start(thd);
1287
1288
/* setup the create info */
1289
mylex.create_info.db_type = hton;
1290
mylex.create_info.frm_only = 1;
1291
mylex.create_info.default_table_charset = system_charset_info;
1292
1293
/* setup the column info. */
1294
while (info->field_name) {
1295
lex_string_t field_name, comment;
1296
field_name.str = (char*)(info->field_name);
1297
field_name.length = strlen(info->field_name);
1298
1299
comment.str = (char*)(info->comment);
1300
comment.length = strlen(info->comment);
1301
1302
if (info->field_length) {
1303
snprintf(field_length_buffer, 12, "%d", info->field_length);
1304
field_length_ptr = field_length_buffer;
1305
} else
1306
field_length_ptr = NULL;
1307
1308
if (add_field_to_list(thd, &field_name, info->field_type, field_length_ptr, info->field_decimal_length,
1309
info->field_flags,
1310
#if MYSQL_VERSION_ID > 60005
1311
HA_SM_DISK,
1312
COLUMN_FORMAT_TYPE_FIXED,
1313
#endif
1314
NULL /*default_value*/, NULL /*on_update_value*/, &comment, NULL /*change*/,
1315
NULL /*interval_list*/, info->field_charset, 0 /*uint_geom_type*/))
1316
goto error;
1317
1318
1319
info++;
1320
}
1321
1322
if (keys) {
1323
#ifdef HAVE_KEYS
1324
while (keys->key_name) {
1325
lex_string_t lex;
1326
Key *key;
1327
enum Key::Keytype type;
1328
List<Key_part_spec> col_list;
1329
int i =0;
1330
while (keys->key_columns[i]) {
1331
lex.str = (char *)(keys->key_columns[i++]);
1332
lex.length = strlen(lex.str);
1333
col_list.push_back(new Key_part_spec(lex, 0));
1334
//col_list.push_back(new Key_part_spec(keys->key_columns[i++], 0));
1335
}
1336
1337
switch (keys->key_type) {
1338
case PRI_KEY_FLAG:
1339
type = Key::PRIMARY;
1340
break;
1341
case UNIQUE_KEY_FLAG:
1342
type = Key::UNIQUE;
1343
break;
1344
case MULTIPLE_KEY_FLAG:
1345
type = Key::MULTIPLE;
1346
break;
1347
}
1348
1349
key= new Key(type, keys->key_name, strlen(keys->key_name),
1350
&default_key_create_info,
1351
0, col_list);
1352
mylex.alter_info.key_list.push_back(key);
1353
col_list.empty();
1354
keys++;
1355
}
1356
#endif
1357
}
1358
1359
/* Create an internal temp table */
1360
if (mysql_create_table_no_lock(thd, db, name, &mylex.create_info, &mylex.alter_info, 1, 0))
1361
goto error;
1362
1363
delete_frm = 1;
1364
/* Read the FRM file. */
1365
build_table_filename(file_name, sizeof(file_name), db, name, "", FN_IS_TMP);
1366
if (readfrm(file_name, frmblob, frmlen))
1367
goto error;
1368
1369
err = 0;
1370
1371
error:
1372
lex_end(&mylex);
1373
thd->lex = save_lex;
1374
1375
if (delete_frm) {
1376
build_table_filename(file_name, sizeof(file_name), db, name, reg_ext, FN_IS_TMP);
1377
my_delete(file_name, MYF(0));
1378
}
1379
return err;
1380
}
1381
1382
#endif // DRIZZLED
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