-
Notifications
You must be signed in to change notification settings - Fork 1.6k
/
ha_mroonga.cpp
17146 lines (15652 loc) · 512 KB
/
ha_mroonga.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/* -*- c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Copyright(C) 2010 Tetsuro IKEDA
Copyright(C) 2010-2013 Kentoku SHIBA
Copyright(C) 2011-2017 Kouhei Sutou <[email protected]>
Copyright(C) 2013 Kenji Maruyama <[email protected]>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
*/
#include "mrn_mysql.h"
#include "mrn_mysql_compat.h"
#ifdef USE_PRAGMA_IMPLEMENTATION
#pragma implementation
#endif
#include <sql_plugin.h>
#include <sql_show.h>
#include <key.h>
#include <tztime.h>
#include <sql_base.h>
#include <sql_select.h>
#include <item_sum.h>
#ifdef MRN_HAVE_BINLOG_H
# include <binlog.h>
#endif
#ifdef MRN_HAVE_SQL_OPTIMIZER_H
# include <sql_optimizer.h>
#endif
#include <ft_global.h>
#include <spatial.h>
#include <mysql.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef WIN32
# include <math.h>
# include <direct.h>
# define MRN_TABLE_SHARE_LOCK_SHARE_PROC "?key_TABLE_SHARE_LOCK_share@@3IA"
# define MRN_TABLE_SHARE_LOCK_HA_DATA_PROC "?key_TABLE_SHARE_LOCK_ha_data@@3IA"
# ifdef _WIN64
# define MRN_BINLOG_FILTER_PROC "?binlog_filter@@3PEAVRpl_filter@@EA"
# define MRN_MY_TZ_UTC_PROC "?my_tz_UTC@@3PEAVTime_zone@@EA"
# else
# define MRN_BINLOG_FILTER_PROC "?binlog_filter@@3PAVRpl_filter@@A"
# define MRN_MY_TZ_UTC_PROC "?my_tz_UTC@@3PAVTime_zone@@A"
# endif
#else
# include <dirent.h>
# include <unistd.h>
#endif
#include "mrn_err.h"
#include "mrn_table.hpp"
#include <groonga/plugin.h>
#include "ha_mroonga.hpp"
#include <mrn_path_mapper.hpp>
#include <mrn_index_table_name.hpp>
#include <mrn_index_column_name.hpp>
#include <mrn_debug_column_access.hpp>
#include <mrn_auto_increment_value_lock.hpp>
#include <mrn_external_lock.hpp>
#include <mrn_match_escalation_threshold_scope.hpp>
#include <mrn_multiple_column_key_codec.hpp>
#include <mrn_field_normalizer.hpp>
#include <mrn_encoding.hpp>
#include <mrn_parameters_parser.hpp>
#include <mrn_lock.hpp>
#include <mrn_condition_converter.hpp>
#include <mrn_time_converter.hpp>
#include <mrn_smart_grn_obj.hpp>
#include <mrn_database_manager.hpp>
#include <mrn_context_pool.hpp>
#include <mrn_grn.hpp>
#include <mrn_value_decoder.hpp>
#include <mrn_database_repairer.hpp>
#include <mrn_operation.hpp>
#include <mrn_column_name.hpp>
#include <mrn_count_skip_checker.hpp>
#include <mrn_variables.hpp>
#include <mrn_query_parser.hpp>
#include <mrn_smart_bitmap.hpp>
#include <mrn_table_fields_offset_mover.hpp>
#ifdef MRN_SUPPORT_FOREIGN_KEYS
# include <sql_table.h>
#endif
#ifdef MRN_SUPPORT_CUSTOM_OPTIONS
# include <create_options.h>
#endif
// for debug
#define MRN_CLASS_NAME "ha_mroonga"
#define MRN_SHORT_TEXT_SIZE (1 << 12) // 4Kbytes
#define MRN_TEXT_SIZE (1 << 16) // 64Kbytes
#define MRN_LONG_TEXT_SIZE (1 << 31) // 2Gbytes
#ifdef MRN_HAVE_TDC_LOCK_TABLE_SHARE
# ifdef MRN_TABLE_SHARE_TDC_IS_POINTER
# define mrn_open_mutex(share) &((share)->tdc->LOCK_table_share)
# else
# define mrn_open_mutex(share) &((share)->tdc.LOCK_table_share)
# endif
# define mrn_open_mutex_lock(share) do { \
TABLE_SHARE *share_ = share; \
if (share_ && share_->tmp_table == NO_TMP_TABLE) { \
mysql_mutex_lock(mrn_open_mutex(share_)); \
} \
} while (0)
# define mrn_open_mutex_unlock(share) do { \
TABLE_SHARE *share_ = share; \
if (share_ && share_->tmp_table == NO_TMP_TABLE) { \
mysql_mutex_unlock(mrn_open_mutex(share_)); \
} \
} while (0)
#else
# ifdef DBUG_OFF
# ifndef _WIN32
extern mysql_mutex_t LOCK_open;
# endif
# endif
static mysql_mutex_t *mrn_LOCK_open;
# define mrn_open_mutex_lock(share) mysql_mutex_lock(mrn_LOCK_open)
# define mrn_open_mutex_unlock(share) mysql_mutex_unlock(mrn_LOCK_open)
#endif
#if MYSQL_VERSION_ID >= 50600
# define MRN_NEED_M_LOCK_TYPE_CHECK_FOR_WRAPPER_EXTERNAL_LOCK
#endif
#ifdef MRN_MARIADB_P
# if MYSQL_VERSION_ID >= 100200
# define MRN_ORDER_IS_ASC(order) ((order)->direction == ORDER::ORDER_ASC)
# else
# define MRN_ORDER_IS_ASC(order) ((order)->asc)
# endif
#else
# if MYSQL_VERSION_ID >= 50603
# define MRN_ORDER_IS_ASC(order) ((order)->direction == ORDER::ORDER_ASC)
# else
# define MRN_ORDER_IS_ASC(order) ((order)->asc)
# endif
#endif
#define MRN_STRINGIFY(macro_or_string) MRN_STRINGIFY_ARG(macro_or_string)
#define MRN_STRINGIFY_ARG(contents) #contents
#define MRN_PLUGIN_NAME mroonga
#define MRN_PLUGIN_NAME_STRING "Mroonga"
#define MRN_STATUS_VARIABLE_NAME_PREFIX_STRING "Mroonga"
#ifdef MRN_MARIADB_P
# define st_mysql_plugin st_maria_plugin
# define mrn_declare_plugin(NAME) maria_declare_plugin(NAME)
# define mrn_declare_plugin_end maria_declare_plugin_end
# define MRN_PLUGIN_LAST_VALUES MRN_VERSION, MariaDB_PLUGIN_MATURITY_STABLE
#else
# define mrn_declare_plugin(NAME) mysql_declare_plugin(NAME)
# define mrn_declare_plugin_end mysql_declare_plugin_end
# define MRN_PLUGIN_LAST_VALUES NULL, 0
#endif
#if MYSQL_VERSION_ID >= 100007 && defined(MRN_MARIADB_P)
# define MRN_THD_GET_AUTOINC(thd, off, inc) thd_get_autoinc(thd, off, inc)
# define MRN_GET_ERR_MSG(code) my_get_err_msg(code)
#else
# define MRN_THD_GET_AUTOINC(thd, off, inc) \
{ \
*(off) = thd->variables.auto_increment_offset; \
*(inc) = thd->variables.auto_increment_increment; \
}
# define MRN_GET_ERR_MSG(code) ER(code)
#endif
#if MYSQL_VERSION_ID >= 50706 && !defined(MRN_MARIADB_P)
# define MRN_LEX_GET_TABLE_LIST(lex) (lex)->select_lex->table_list.first
#else
# define MRN_LEX_GET_TABLE_LIST(lex) (lex)->first_select_lex()->table_list.first
#endif
#if MYSQL_VERSION_ID >= 50706 && !defined(MRN_MARIADB_P)
# define MRN_KEYTYPE_FOREIGN KEYTYPE_FOREIGN
#else
# define MRN_KEYTYPE_FOREIGN Key::FOREIGN_KEY
#endif
#if MYSQL_VERSION_ID >= 50706 && !defined(MRN_MARIADB_P)
# define mrn_calculate_key_len(table, key_index, buffer, keypart_map) \
calculate_key_len(table, key_index, keypart_map)
#else
# define mrn_calculate_key_len(table, key_index, buffer, keypart_map) \
calculate_key_len(table, key_index, buffer, keypart_map)
#endif
#if MYSQL_VERSION_ID >= 50706 && !defined(MRN_MARIADB_P)
# define MRN_TABLE_LIST_GET_DERIVED(table_list) NULL
#else
# define MRN_TABLE_LIST_GET_DERIVED(table_list) (table_list)->derived
#endif
#if MYSQL_VERSION_ID >= 50706 && !defined(MRN_MARIADB_P)
# define MRN_GEOMETRY_FREE(geometry)
#else
# define MRN_GEOMETRY_FREE(geometry) delete (geometry)
#endif
Rpl_filter *mrn_binlog_filter;
Time_zone *mrn_my_tz_UTC;
#ifdef MRN_HAVE_TABLE_DEF_CACHE
HASH *mrn_table_def_cache;
#endif
PSI_memory_key mrn_memory_key;
#ifdef MRN_HAVE_PSI_MEMORY_KEY
static PSI_memory_info mrn_all_memory_keys[]=
{
{&mrn_memory_key, "Mroonga", 0}
};
#endif
static const char *INDEX_COLUMN_NAME = "index";
static const char *MRN_PLUGIN_AUTHOR = "The Mroonga project";
#ifdef __cplusplus
extern "C" {
#endif
#ifdef HAVE_PSI_INTERFACE
# ifdef WIN32
# ifdef MRN_TABLE_SHARE_HAVE_LOCK_SHARE
PSI_mutex_key *mrn_table_share_lock_share;
# endif
PSI_mutex_key *mrn_table_share_lock_ha_data;
# endif
static PSI_mutex_key mrn_open_tables_mutex_key;
static PSI_mutex_key mrn_long_term_share_mutex_key;
static PSI_mutex_key mrn_allocated_thds_mutex_key;
PSI_mutex_key mrn_share_mutex_key;
PSI_mutex_key mrn_long_term_share_auto_inc_mutex_key;
static PSI_mutex_key mrn_log_mutex_key;
static PSI_mutex_key mrn_query_log_mutex_key;
static PSI_mutex_key mrn_db_manager_mutex_key;
static PSI_mutex_key mrn_context_pool_mutex_key;
static PSI_mutex_key mrn_operations_mutex_key;
# if (!defined(MRN_MARIADB_P) && MYSQL_VERSION_ID >= 80002)
# define MRN_MUTEXT_INFO_ENTRY(key, name, flags, volatility) \
{key, name, flags, volatility}
# else
# define MRN_MUTEXT_INFO_ENTRY(key, name, flags, volatility) \
{key, name, flags}
# endif
static PSI_mutex_info mrn_mutexes[] =
{
MRN_MUTEXT_INFO_ENTRY(&mrn_open_tables_mutex_key,
"mrn::open_tables", PSI_FLAG_GLOBAL, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_long_term_share_mutex_key,
"mrn::long_term_share", PSI_FLAG_GLOBAL, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_allocated_thds_mutex_key,
"mrn::allocated_thds", PSI_FLAG_GLOBAL, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_share_mutex_key,
"mrn::share", 0, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_long_term_share_auto_inc_mutex_key,
"mrn::long_term_share::auto_inc", 0, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_log_mutex_key,
"mrn::log", PSI_FLAG_GLOBAL, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_query_log_mutex_key,
"mrn::query_log", PSI_FLAG_GLOBAL, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_db_manager_mutex_key,
"mrn::DatabaseManager", PSI_FLAG_GLOBAL, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_context_pool_mutex_key,
"mrn::ContextPool", PSI_FLAG_GLOBAL, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_operations_mutex_key,
"mrn::Operations", PSI_FLAG_GLOBAL, 0)
};
#endif
/* global variables */
handlerton *mrn_hton_ptr;
HASH mrn_open_tables;
mysql_mutex_t mrn_open_tables_mutex;
HASH mrn_long_term_share;
mysql_mutex_t mrn_long_term_share_mutex;
HASH mrn_allocated_thds;
mysql_mutex_t mrn_allocated_thds_mutex;
/* internal variables */
static grn_ctx mrn_ctx;
static mysql_mutex_t mrn_log_mutex;
static mysql_mutex_t mrn_query_log_mutex;
static grn_obj *mrn_db;
static grn_ctx mrn_db_manager_ctx;
static mysql_mutex_t mrn_db_manager_mutex;
mrn::DatabaseManager *mrn_db_manager = NULL;
static mysql_mutex_t mrn_context_pool_mutex;
mrn::ContextPool *mrn_context_pool = NULL;
static mysql_mutex_t mrn_operations_mutex;
#ifdef WIN32
static inline double round(double x)
{
return (floor(x + 0.5));
}
#endif
static void mrn_init_encoding_map()
{
mrn::encoding::init();
}
static int mrn_change_encoding(grn_ctx *ctx, const CHARSET_INFO *charset)
{
return mrn::encoding::set(ctx, charset);
}
#if defined DBUG_TRACE && !defined(_lint)
static const char *mrn_inspect_thr_lock_type(enum thr_lock_type lock_type)
{
const char *inspected = "<unknown>";
switch (lock_type) {
case TL_IGNORE:
inspected = "TL_IGNORE";
break;
case TL_UNLOCK:
inspected = "TL_UNLOCK";
break;
case TL_READ_DEFAULT:
inspected = "TL_READ_DEFAULT";
break;
case TL_READ:
inspected = "TL_READ";
break;
case TL_READ_WITH_SHARED_LOCKS:
inspected = "TL_READ_WITH_SHARED_LOCKS";
break;
case TL_READ_HIGH_PRIORITY:
inspected = "TL_READ_HIGH_PRIORITY";
break;
case TL_READ_NO_INSERT:
inspected = "TL_READ_NO_INSERT";
break;
case TL_READ_SKIP_LOCKED:
inspected = "TL_READ_SKIP_LOCKED";
break;
case TL_WRITE_ALLOW_WRITE:
inspected = "TL_WRITE_ALLOW_WRITE";
break;
#ifdef MRN_HAVE_TL_WRITE_CONCURRENT_DEFAULT
case TL_WRITE_CONCURRENT_DEFAULT:
inspected = "TL_WRITE_CONCURRENT_DEFAULT";
break;
#endif
case TL_WRITE_CONCURRENT_INSERT:
inspected = "TL_WRITE_CONCURRENT_INSERT";
break;
#ifdef MRN_HAVE_TL_WRITE_DELAYED
case TL_WRITE_DELAYED:
inspected = "TL_WRITE_DELAYED";
break;
#endif
case TL_WRITE_DEFAULT:
inspected = "TL_WRITE_DEFAULT";
break;
case TL_WRITE_LOW_PRIORITY:
inspected = "TL_WRITE_LOW_PRIORITY";
break;
case TL_WRITE:
inspected = "TL_WRITE";
break;
case TL_WRITE_SKIP_LOCKED:
inspected = "TL_WRITE_SKIP_LOCKED";
break;
case TL_WRITE_ONLY:
inspected = "TL_WRITE_ONLY";
break;
}
return inspected;
}
static const char *mrn_inspect_extra_function(enum ha_extra_function operation)
{
const char *inspected = "<unknown>";
switch (operation) {
case HA_EXTRA_NORMAL:
inspected = "HA_EXTRA_NORMAL";
break;
case HA_EXTRA_QUICK:
inspected = "HA_EXTRA_QUICK";
break;
case HA_EXTRA_NOT_USED:
inspected = "HA_EXTRA_NOT_USED";
break;
case HA_EXTRA_CACHE:
inspected = "HA_EXTRA_CACHE";
break;
case HA_EXTRA_NO_CACHE:
inspected = "HA_EXTRA_NO_CACHE";
break;
case HA_EXTRA_NO_READCHECK:
inspected = "HA_EXTRA_NO_READCHECK";
break;
case HA_EXTRA_READCHECK:
inspected = "HA_EXTRA_READCHECK";
break;
case HA_EXTRA_KEYREAD:
inspected = "HA_EXTRA_KEYREAD";
break;
case HA_EXTRA_NO_KEYREAD:
inspected = "HA_EXTRA_NO_KEYREAD";
break;
case HA_EXTRA_NO_USER_CHANGE:
inspected = "HA_EXTRA_NO_USER_CHANGE";
break;
case HA_EXTRA_KEY_CACHE:
inspected = "HA_EXTRA_KEY_CACHE";
break;
case HA_EXTRA_NO_KEY_CACHE:
inspected = "HA_EXTRA_NO_KEY_CACHE";
break;
case HA_EXTRA_WAIT_LOCK:
inspected = "HA_EXTRA_WAIT_LOCK";
break;
case HA_EXTRA_NO_WAIT_LOCK:
inspected = "HA_EXTRA_NO_WAIT_LOCK";
break;
case HA_EXTRA_WRITE_CACHE:
inspected = "HA_EXTRA_WRITE_CACHE";
break;
case HA_EXTRA_FLUSH_CACHE:
inspected = "HA_EXTRA_FLUSH_CACHE";
break;
case HA_EXTRA_NO_KEYS:
inspected = "HA_EXTRA_NO_KEYS";
break;
case HA_EXTRA_KEYREAD_CHANGE_POS:
inspected = "HA_EXTRA_KEYREAD_CHANGE_POS";
break;
case HA_EXTRA_REMEMBER_POS:
inspected = "HA_EXTRA_REMEMBER_POS";
break;
case HA_EXTRA_RESTORE_POS:
inspected = "HA_EXTRA_RESTORE_POS";
break;
case HA_EXTRA_REINIT_CACHE:
inspected = "HA_EXTRA_REINIT_CACHE";
break;
case HA_EXTRA_FORCE_REOPEN:
inspected = "HA_EXTRA_FORCE_REOPEN";
break;
case HA_EXTRA_FLUSH:
inspected = "HA_EXTRA_FLUSH";
break;
case HA_EXTRA_NO_ROWS:
inspected = "HA_EXTRA_NO_ROWS";
break;
case HA_EXTRA_RESET_STATE:
inspected = "HA_EXTRA_RESET_STATE";
break;
case HA_EXTRA_IGNORE_DUP_KEY:
inspected = "HA_EXTRA_IGNORE_DUP_KEY";
break;
case HA_EXTRA_NO_IGNORE_DUP_KEY:
inspected = "HA_EXTRA_NO_IGNORE_DUP_KEY";
break;
case HA_EXTRA_PREPARE_FOR_DROP:
inspected = "HA_EXTRA_PREPARE_FOR_DROP";
break;
case HA_EXTRA_PREPARE_FOR_ALTER_TABLE:
inspected = "HA_EXTRA_PREPARE_FOR_ALTER_TABLE";
break;
case HA_EXTRA_PREPARE_FOR_UPDATE:
inspected = "HA_EXTRA_PREPARE_FOR_UPDATE";
break;
case HA_EXTRA_PRELOAD_BUFFER_SIZE:
inspected = "HA_EXTRA_PRELOAD_BUFFER_SIZE";
break;
case HA_EXTRA_CHANGE_KEY_TO_UNIQUE:
inspected = "HA_EXTRA_CHANGE_KEY_TO_UNIQUE";
break;
case HA_EXTRA_CHANGE_KEY_TO_DUP:
inspected = "HA_EXTRA_CHANGE_KEY_TO_DUP";
break;
case HA_EXTRA_KEYREAD_PRESERVE_FIELDS:
inspected = "HA_EXTRA_KEYREAD_PRESERVE_FIELDS";
break;
case HA_EXTRA_MMAP:
inspected = "HA_EXTRA_MMAP";
break;
case HA_EXTRA_IGNORE_NO_KEY:
inspected = "HA_EXTRA_IGNORE_NO_KEY";
break;
case HA_EXTRA_NO_IGNORE_NO_KEY:
inspected = "HA_EXTRA_NO_IGNORE_NO_KEY";
break;
case HA_EXTRA_MARK_AS_LOG_TABLE:
inspected = "HA_EXTRA_MARK_AS_LOG_TABLE";
break;
case HA_EXTRA_WRITE_CAN_REPLACE:
inspected = "HA_EXTRA_WRITE_CAN_REPLACE";
break;
case HA_EXTRA_WRITE_CANNOT_REPLACE:
inspected = "HA_EXTRA_WRITE_CANNOT_REPLACE";
break;
case HA_EXTRA_DELETE_CANNOT_BATCH:
inspected = "HA_EXTRA_DELETE_CANNOT_BATCH";
break;
case HA_EXTRA_UPDATE_CANNOT_BATCH:
inspected = "HA_EXTRA_UPDATE_CANNOT_BATCH";
break;
case HA_EXTRA_INSERT_WITH_UPDATE:
inspected = "HA_EXTRA_INSERT_WITH_UPDATE";
break;
case HA_EXTRA_PREPARE_FOR_RENAME:
inspected = "HA_EXTRA_PREPARE_FOR_RENAME";
break;
case HA_EXTRA_ADD_CHILDREN_LIST:
inspected = "HA_EXTRA_ADD_CHILDREN_LIST";
break;
case HA_EXTRA_ATTACH_CHILDREN:
inspected = "HA_EXTRA_ATTACH_CHILDREN";
break;
case HA_EXTRA_IS_ATTACHED_CHILDREN:
inspected = "HA_EXTRA_IS_ATTACHED_CHILDREN";
break;
case HA_EXTRA_DETACH_CHILDREN:
inspected = "HA_EXTRA_DETACH_CHILDREN";
break;
case HA_EXTRA_STARTING_ORDERED_INDEX_SCAN:
inspected = "HA_EXTRA_STARTING_ORDERED_INDEX_SCAN";
break;
case HA_EXTRA_BEGIN_ALTER_COPY:
inspected = "HA_EXTRA_BEGIN_ALTER_COPY";
break;
case HA_EXTRA_END_ALTER_COPY:
inspected = "HA_EXTRA_END_ALTER_COPY";
break;
#ifdef MRN_HAVE_HA_EXTRA_EXPORT
case HA_EXTRA_EXPORT:
inspected = "HA_EXTRA_EXPORT";
break;
#endif
#ifdef MRN_HAVE_HA_EXTRA_SECONDARY_SORT_ROWID
case HA_EXTRA_SECONDARY_SORT_ROWID:
inspected = "HA_EXTRA_SECONDARY_SORT_ROWID";
break;
#endif
#ifdef MRN_HAVE_HA_EXTRA_DETACH_CHILD
case HA_EXTRA_DETACH_CHILD:
inspected = "HA_EXTRA_DETACH_CHILD";
break;
#endif
#ifdef MRN_HAVE_HA_EXTRA_PREPARE_FOR_FORCED_CLOSE
case HA_EXTRA_PREPARE_FOR_FORCED_CLOSE:
inspected = "HA_EXTRA_PREPARE_FOR_FORCED_CLOSE";
break;
#endif
#ifdef MRN_HAVE_HA_EXTRA_SKIP_SERIALIZABLE_DD_VIEW
case HA_EXTRA_SKIP_SERIALIZABLE_DD_VIEW:
inspected = "HA_EXTRA_SKIP_SERIALIZABLE_DD_VIEW";
break;
#endif
#ifdef MRN_HAVE_HA_EXTRA_BEGIN_ALTER_COPY
case HA_EXTRA_BEGIN_ALTER_COPY:
inspected = "HA_EXTRA_BEGIN_ALTER_COPY";
break;
#endif
#ifdef MRN_HAVE_HA_EXTRA_END_ALTER_COPY
case HA_EXTRA_END_ALTER_COPY:
inspected = "HA_EXTRA_END_ALTER_COPY";
break;
#endif
#ifdef MRN_HAVE_HA_EXTRA_NO_AUTOINC_LOCKING
case HA_EXTRA_NO_AUTOINC_LOCKING:
inspected = "HA_EXTRA_NO_AUTOINC_LOCKING";
break;
#endif
}
return inspected;
}
#endif
static uchar *mrn_open_tables_get_key(const uchar *record,
size_t *length,
my_bool not_used __attribute__ ((unused)))
{
MRN_DBUG_ENTER_FUNCTION();
MRN_SHARE *share = reinterpret_cast<MRN_SHARE *>(const_cast<uchar *>(record));
*length = share->table_name_length;
DBUG_RETURN(reinterpret_cast<uchar *>(share->table_name));
}
static uchar *mrn_long_term_share_get_key(const uchar *record,
size_t *length,
my_bool not_used __attribute__ ((unused)))
{
MRN_DBUG_ENTER_FUNCTION();
MRN_LONG_TERM_SHARE *long_term_share =
reinterpret_cast<MRN_LONG_TERM_SHARE *>(const_cast<uchar *>(record));
*length = long_term_share->table_name_length;
DBUG_RETURN(reinterpret_cast<uchar *>(long_term_share->table_name));
}
/* status */
static long mrn_count_skip = 0;
static long mrn_fast_order_limit = 0;
/* logging */
static char *mrn_log_file_path = NULL;
static FILE *mrn_log_file = NULL;
static bool mrn_log_file_opened = false;
static grn_log_level mrn_log_level_default = GRN_LOG_DEFAULT_LEVEL;
static ulong mrn_log_level = mrn_log_level_default;
static char *mrn_query_log_file_path = NULL;
char *mrn_default_tokenizer = NULL;
char *mrn_default_wrapper_engine = NULL;
static int mrn_lock_timeout = grn_get_lock_timeout();
static char *mrn_libgroonga_version = const_cast<char *>(grn_get_version());
static char *mrn_version = const_cast<char *>(MRN_VERSION);
static char *mrn_vector_column_delimiter = NULL;
static mrn_bool mrn_libgroonga_support_zlib = false;
static mrn_bool mrn_libgroonga_support_lz4 = false;
static mrn_bool mrn_libgroonga_support_zstd = false;
static mrn_bool mrn_enable_operations_recording = true;
#ifdef MRN_SUPPORT_THDVAR_SET
static const char *mrn_boolean_mode_sytnax_flag_names[] = {
"DEFAULT",
"SYNTAX_QUERY",
"SYNTAX_SCRIPT",
"ALLOW_COLUMN",
"ALLOW_UPDATE",
"ALLOW_LEADING_NOT",
NullS
};
static TYPELIB mrn_boolean_mode_syntax_flags_typelib = {
array_elements(mrn_boolean_mode_sytnax_flag_names) - 1,
"",
mrn_boolean_mode_sytnax_flag_names,
NULL
};
#endif
#ifdef MRN_GROONGA_EMBEDDED
static mrn_bool mrn_libgroonga_embedded = true;
#else
static mrn_bool mrn_libgroonga_embedded = false;
#endif
static mrn::variables::ActionOnError mrn_action_on_fulltext_query_error_default =
mrn::variables::ACTION_ON_ERROR_ERROR_AND_LOG;
static void mrn_logger_log(grn_ctx *ctx, grn_log_level level,
const char *timestamp, const char *title,
const char *message, const char *location,
void *user_data)
{
const char level_marks[] = " EACewnid-";
if (mrn_log_file_opened) {
mrn::Lock lock(&mrn_log_mutex);
fprintf(mrn_log_file,
"%s|%c|%08x|%s\n",
timestamp,
level_marks[level],
static_cast<uint>((ulong)(pthread_self())),
message);
fflush(mrn_log_file);
}
}
static grn_logger mrn_logger = {
mrn_log_level_default,
GRN_LOG_TIME|GRN_LOG_MESSAGE,
NULL,
mrn_logger_log,
NULL,
NULL
};
static uchar *mrn_allocated_thds_get_key(const uchar *record,
size_t *length,
my_bool not_used __attribute__ ((unused)))
{
MRN_DBUG_ENTER_FUNCTION();
*length = sizeof(THD *);
DBUG_RETURN(const_cast<uchar *>(record));
}
/* system functions */
static struct st_mysql_storage_engine storage_engine_structure =
{ MYSQL_HANDLERTON_INTERFACE_VERSION };
#if MYSQL_VERSION_ID >= 50706 && !defined(MRN_MARIADB_P)
# define MRN_STATUS_VARIABLE_ENTRY(name, value, type, scope) \
{name, value, type, scope}
#else
# define MRN_STATUS_VARIABLE_ENTRY(name, value, type, scope) \
{name, value, type}
#endif
static struct st_mysql_show_var mrn_status_variables[] =
{
MRN_STATUS_VARIABLE_ENTRY(MRN_STATUS_VARIABLE_NAME_PREFIX_STRING "_count_skip",
(char *)&mrn_count_skip,
SHOW_LONG,
SHOW_SCOPE_GLOBAL),
MRN_STATUS_VARIABLE_ENTRY(MRN_STATUS_VARIABLE_NAME_PREFIX_STRING "_fast_order_limit",
(char *)&mrn_fast_order_limit,
SHOW_LONG,
SHOW_SCOPE_GLOBAL),
MRN_STATUS_VARIABLE_ENTRY(NullS, NullS, SHOW_LONG, SHOW_SCOPE_GLOBAL)
};
static const char *mrn_log_level_type_names[] = {
"NONE",
"EMERG",
"ALERT",
"CRIT",
"ERROR",
"WARNING",
"NOTICE",
"INFO",
"DEBUG",
"DUMP",
NullS
};
static TYPELIB mrn_log_level_typelib = {
array_elements(mrn_log_level_type_names) - 1,
"mrn_log_level_typelib",
mrn_log_level_type_names,
NULL
};
static void mrn_log_level_update(THD *thd, struct st_mysql_sys_var *var,
void *var_ptr, const void *save)
{
MRN_DBUG_ENTER_FUNCTION();
ulong new_value = *static_cast<const ulong *>(save);
ulong old_value = mrn_log_level;
mrn_log_level = new_value;
mrn_logger.max_level = static_cast<grn_log_level>(mrn_log_level);
grn_logger_set(&mrn_ctx, &mrn_logger);
grn_ctx *ctx = grn_ctx_open(0);
mrn_change_encoding(ctx, system_charset_info);
GRN_LOG(ctx, GRN_LOG_NOTICE, "log level changed from '%s' to '%s'",
mrn_log_level_type_names[old_value],
mrn_log_level_type_names[new_value]);
grn_ctx_fin(ctx);
DBUG_VOID_RETURN;
}
static MYSQL_SYSVAR_ENUM(log_level, mrn_log_level,
PLUGIN_VAR_RQCMDARG,
"logging level",
NULL,
mrn_log_level_update,
static_cast<ulong>(mrn_log_level),
&mrn_log_level_typelib);
static void mrn_log_file_update(THD *thd, struct st_mysql_sys_var *var,
void *var_ptr, const void *save)
{
MRN_DBUG_ENTER_FUNCTION();
const char *new_value = *((const char **)save);
char **old_value_ptr = (char **)var_ptr;
grn_ctx *ctx = &mrn_ctx;
mrn_change_encoding(ctx, system_charset_info);
const char *new_log_file_name;
new_log_file_name = *old_value_ptr;
if (strcmp(*old_value_ptr, new_value) == 0) {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"log file isn't changed "
"because the requested path isn't different: <%s>",
new_value);
} else {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"log file is changed: <%s> -> <%s>",
*old_value_ptr, new_value);
int log_file_open_errno = 0;
{
mrn::Lock lock(&mrn_log_mutex);
FILE *new_log_file;
new_log_file = fopen(new_value, "a");
if (new_log_file) {
if (mrn_log_file_opened) {
fclose(mrn_log_file);
}
mrn_log_file = new_log_file;
mrn_log_file_opened = true;
} else {
log_file_open_errno = errno;
}
}
if (log_file_open_errno == 0) {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"log file is changed: <%s> -> <%s>",
*old_value_ptr, new_value);
new_log_file_name = new_value;
} else {
if (mrn_log_file) {
GRN_LOG(ctx, GRN_LOG_ERROR,
"log file isn't changed "
"because the requested path can't be opened: <%s>: <%s>",
new_value, strerror(log_file_open_errno));
} else {
GRN_LOG(ctx, GRN_LOG_ERROR,
"log file can't be opened: <%s>: <%s>",
new_value, strerror(log_file_open_errno));
}
}
}
#ifdef MRN_NEED_FREE_STRING_MEMALLOC_PLUGIN_VAR
char *old_log_file_name = *old_value_ptr;
*old_value_ptr = mrn_my_strdup(new_log_file_name, MYF(MY_WME));
my_free(old_log_file_name);
#else
*old_value_ptr = mrn_my_strdup(new_log_file_name, MYF(MY_WME));
#endif
DBUG_VOID_RETURN;
}
static MYSQL_SYSVAR_STR(log_file, mrn_log_file_path,
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_MEMALLOC,
"log file for " MRN_PLUGIN_NAME_STRING,
NULL,
mrn_log_file_update,
MRN_LOG_FILE_PATH);
static void mrn_query_log_file_update(THD *thd, struct st_mysql_sys_var *var,
void *var_ptr, const void *save)
{
MRN_DBUG_ENTER_FUNCTION();
const char *new_value = *((const char **)save);
char **old_value_ptr = (char **)var_ptr;
const char *normalized_new_value = NULL;
grn_ctx *ctx = &mrn_ctx;
mrn_change_encoding(ctx, system_charset_info);
const char *new_query_log_file_name;
new_query_log_file_name = *old_value_ptr;
bool need_update = false;
if (!*old_value_ptr) {
if (new_value && new_value[0] != '\0') {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"query log is enabled: <%s>",
new_value);
need_update = true;
normalized_new_value = new_value;
} else {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"query log file is still disabled");
}
} else {
if (!new_value || new_value[0] == '\0') {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"query log file is disabled: <%s>",
*old_value_ptr);
need_update = true;
normalized_new_value = NULL;
} else if (strcmp(*old_value_ptr, new_value) == 0) {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"query log file isn't changed "
"because the requested path isn't different: <%s>",
new_value);
} else {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"query log file is changed: <%s> -> <%s>",
*old_value_ptr, new_value);
need_update = true;
normalized_new_value = new_value;
}
}
if (need_update) {
{ // TODO: Remove me when Groonga 7.0.5 is released.
mrn::Lock lock(&mrn_query_log_mutex);
grn_default_query_logger_set_path(normalized_new_value);
}
grn_query_logger_reopen(ctx);
new_query_log_file_name = normalized_new_value;
}
#ifdef MRN_NEED_FREE_STRING_MEMALLOC_PLUGIN_VAR
char *old_query_log_file_name = *old_value_ptr;
#endif
if (new_query_log_file_name) {
*old_value_ptr = mrn_my_strdup(new_query_log_file_name, MYF(0));
} else {
*old_value_ptr = NULL;
}
#ifdef MRN_NEED_FREE_STRING_MEMALLOC_PLUGIN_VAR
my_free(old_query_log_file_name);
#endif
DBUG_VOID_RETURN;
}
static MYSQL_SYSVAR_STR(query_log_file, mrn_query_log_file_path,
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_MEMALLOC,
"query log file for " MRN_PLUGIN_NAME_STRING,
NULL,
mrn_query_log_file_update,
NULL);
static void mrn_default_tokenizer_update(THD *thd, struct st_mysql_sys_var *var,
void *var_ptr, const void *save)
{
MRN_DBUG_ENTER_FUNCTION();
const char *new_value = *((const char **)save);
char **old_value_ptr = (char **)var_ptr;
grn_ctx *ctx = &mrn_ctx;
mrn_change_encoding(ctx, system_charset_info);
if (strcmp(*old_value_ptr, new_value) == 0) {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"default tokenizer for fulltext index isn't changed "
"because the requested default tokenizer isn't different: <%s>",
new_value);
} else {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"default tokenizer for fulltext index is changed: <%s> -> <%s>",
*old_value_ptr, new_value);
}
#ifdef MRN_NEED_FREE_STRING_MEMALLOC_PLUGIN_VAR
my_free(*old_value_ptr);
*old_value_ptr = mrn_my_strdup(new_value, MYF(MY_WME));
#else
*old_value_ptr = (char *)new_value;
#endif
DBUG_VOID_RETURN;
}
static MYSQL_SYSVAR_STR(default_parser, mrn_default_tokenizer,
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_MEMALLOC,
"default fulltext parser "
"(Deprecated. Use mroonga_default_tokenizer instead.)",
NULL,
mrn_default_tokenizer_update,
MRN_DEFAULT_TOKENIZER); // since 10.1.6
static MYSQL_SYSVAR_STR(default_tokenizer, mrn_default_tokenizer,
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_MEMALLOC,
"default tokenizer for fulltext index",
NULL,
mrn_default_tokenizer_update,
MRN_DEFAULT_TOKENIZER);
static MYSQL_THDVAR_BOOL(
dry_write, /* name */
PLUGIN_VAR_OPCMDARG, /* options */
"If dry_write is true, any write operations are ignored.", /* comment */
NULL, /* check */
NULL, /* update */
false /* default */
);
static MYSQL_THDVAR_BOOL(
enable_optimization, /* name */
PLUGIN_VAR_OPCMDARG, /* options */
"If enable_optimization is true, some optimizations will be applied.", /* comment */
NULL, /* check */
NULL, /* update */
true /* default */
);
static MYSQL_THDVAR_LONGLONG(match_escalation_threshold,
PLUGIN_VAR_RQCMDARG,
"The threshold to determin whether search method is escalated",