forked from oceanbase/seekdb
-
Notifications
You must be signed in to change notification settings - Fork 1
Expand file tree
/
Copy pathob_ra_datum_store.cpp
More file actions
1432 lines (1358 loc) · 46.1 KB
/
Copy pathob_ra_datum_store.cpp
File metadata and controls
1432 lines (1358 loc) · 46.1 KB
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
/*
* Copyright (c) 2025 OceanBase.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define USING_LOG_PREFIX SQL_ENG
#include "ob_ra_datum_store.h"
#include "sql/engine/basic/ob_chunk_datum_store.h"
namespace oceanbase
{
using namespace common;
namespace sql
{
const int64_t ObRADatumStore::IndexBlock::INDEX_BLOCK_SIZE;
const int64_t ObRADatumStore::BIG_BLOCK_SIZE;
int ObRADatumStore::ShrinkBuffer::init(char *buf, const int64_t buf_size)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(NULL == buf) || OB_UNLIKELY(buf_size <= 0)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret));
} else {
data_ = buf;
head_ = 0;
tail_ = buf_size;
cap_ = buf_size;
}
return ret;
}
namespace ra_datum_store {
template <typename T, typename B>
void pointer2off(T *&pointer, B *base)
{
pointer = reinterpret_cast<T *>(
reinterpret_cast<const char *>(pointer) - reinterpret_cast<const char *>(base));
}
template <typename T, typename B>
void off2pointer(T *&pointer, B *base)
{
pointer = reinterpret_cast<T *>(
reinterpret_cast<intptr_t>(pointer) + reinterpret_cast<char *>(base));
}
template <typename T, typename B>
void point2pointer(T *&dst_pointer, B *dst_base, T *src_pointer, const B *src_base)
{
dst_pointer = reinterpret_cast<T *>(reinterpret_cast<char *>(dst_base) +
reinterpret_cast<intptr_t>(src_pointer) - reinterpret_cast<const char *>(src_base));
}
}
// Currently only ObIArray<ObExpr> way to write into Store
// Other based on ObDatum pointer way to write, temporarily not used
int ObRADatumStore::StoredRow::copy_datums(const common::ObIArray<ObExpr*> &exprs,
ObEvalCtx &ctx, char *buf, const int64_t size, const int64_t row_size,
const uint32_t row_extend_size)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(payload_ != buf) || OB_UNLIKELY(size < 0)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), KP(payload_), KP(buf), K(size));
} else {
readable_ = true;
cnt_ = ~(1U << 31) & static_cast<int32>(exprs.count());
row_size_ = static_cast<int32_t>(row_size);
int64_t pos = sizeof(ObDatum) * cnt_ + row_extend_size;
for (int64_t i = 0; OB_SUCC(ret) && i < cnt_; ++i) {
ObDatum &in_datum = static_cast<ObDatum&>(exprs.at(i)->locate_expr_datum(ctx));
ObDatum *datum = new (&cells()[i])ObDatum();
if (OB_FAIL(datum->deep_copy(in_datum, buf, size, pos))) {
LOG_WARN("failed to copy datum", K(ret), K(i), K(pos), K(size), K(row_size),
K(in_datum), K(*datum));
}
}
}
return ret;
}
int ObRADatumStore::StoredRow::copy_datums(const common::ObIArray<ObDatum> &datums,
char *buf, const int64_t size, const int64_t row_size,
const uint32_t row_extend_size)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(payload_ != buf) || OB_UNLIKELY(size < 0)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), KP(payload_), KP(buf), K(size));
} else {
readable_ = true;
cnt_ = ~(1U << 31) & static_cast<int32>(datums.count());
row_size_ = static_cast<int32_t>(row_size);
int64_t pos = sizeof(ObDatum) * cnt_ + row_extend_size;
for (int64_t i = 0; OB_SUCC(ret) && i < cnt_; ++i) {
const ObDatum &in_datum = datums.at(i);
ObDatum *datum = new (&cells()[i])ObDatum();
if (OB_FAIL(datum->deep_copy(in_datum, buf, size, pos))) {
LOG_WARN("failed to copy datum", K(ret), K(i), K(pos), K(size), K(row_size),
K(in_datum), K(*datum));
}
}
}
return ret;
}
// always skip const expr to avoid overwriting const expr value,
// as const expr value never changes
int ObRADatumStore::StoredRow::to_expr(const common::ObIArray<ObExpr*> &exprs,
ObEvalCtx &ctx) const
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(cnt_ < exprs.count())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("datum count mismatch", K(ret), K(cnt_), K(exprs.count()));
} else {
for (uint32_t i = 0; i < exprs.count(); ++i) {
if (exprs.at(i)->is_const_expr()) {
continue;
} else {
exprs.at(i)->locate_expr_datum(ctx) = cells()[i];
exprs.at(i)->set_evaluated_projected(ctx);
LOG_DEBUG("succ to_expr", K(cnt_), K(i), KPC(exprs.at(i)), K(cells()[i]));
}
}
}
return ret;
}
int ObRADatumStore::StoredRow::assign(const StoredRow *sr)
{
int ret = OB_SUCCESS;
MEMCPY(this, static_cast<const void*>(sr), sr->row_size_);
ObDatum* src_cells = const_cast<ObDatum*>(sr->cells());
for (int64_t i = 0; i < cnt_; ++i) {
ra_datum_store::point2pointer(*(const char **)&cells()[i].ptr_,
this,
*(const char **)&src_cells[i].ptr_, sr);
}
LOG_DEBUG("trace unswizzling", K(ret), KPC(this), KPC(sr));
return ret;
}
int ObRADatumStore::StoredRow::to_copyable()
{
int ret = OB_SUCCESS;
if (0 != readable_) {
for (int64_t i = 0; i < cnt_; ++i) {
ra_datum_store::pointer2off(*(const char **)&cells()[i].ptr_, this);
}
readable_ = false;
}
return ret;
}
int ObRADatumStore::StoredRow::to_readable()
{
int ret = OB_SUCCESS;
if (0 == readable_) {
for (int64_t i = 0; i < cnt_; ++i) {
ra_datum_store::off2pointer(*(const char **)&cells()[i].ptr_, this);
}
readable_ = true;
}
return ret;
}
int ObRADatumStore::Block::add_row(ShrinkBuffer &buf,
const common::ObIArray<ObExpr*> &exprs,
ObEvalCtx &ctx,
const int64_t row_size,
uint32_t row_extend_size,
StoredRow **stored_row/* = nullptr*/)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!buf.is_inited())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(buf));
} else if (OB_UNLIKELY(row_size > buf.remain())
|| OB_UNLIKELY(row_size <= ROW_INDEX_SIZE)) {
ret = OB_BUF_NOT_ENOUGH;
LOG_WARN("buffer not enough", K(row_size), "remain", buf.remain());
} else {
StoredRow *sr = new (buf.head())StoredRow;
if (OB_FAIL(sr->copy_datums(exprs,
ctx, buf.head() + ROW_HEAD_SIZE,
row_size - ROW_HEAD_SIZE - ROW_INDEX_SIZE,
row_size,
row_extend_size))) {
LOG_WARN("copy row failed", K(ret), K(row_size));
} else if (OB_FAIL(buf.fill_tail(ROW_INDEX_SIZE))) {
LOG_WARN("fill buffer tail failed", K(ret), K(buf), LITERAL_K(ROW_INDEX_SIZE));
} else {
*reinterpret_cast<row_idx_t *>(buf.tail()) = static_cast<row_idx_t>(buf.head() - payload_);
idx_off_ -= static_cast<int32_t>(ROW_INDEX_SIZE);
if (OB_FAIL(buf.fill_head(row_size - ROW_INDEX_SIZE))) {
LOG_WARN("fill buffer head failed", K(ret), K(buf), K(row_size - ROW_INDEX_SIZE));
} else {
rows_++;
LOG_DEBUG("finish add_row", K(rows_), K(row_size), KPC(sr));
if (NULL != stored_row) {
*stored_row = sr;
}
}
}
}
return ret;
}
int ObRADatumStore::Block::add_row(ShrinkBuffer &buf,
const ObIArray<ObDatum> &datums,
const int64_t row_size,
uint32_t row_extend_size,
StoredRow **stored_row/* = nullptr*/)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!buf.is_inited())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(buf));
} else if (OB_UNLIKELY(row_size > buf.remain())
|| OB_UNLIKELY(row_size <= ROW_INDEX_SIZE)) {
ret = OB_BUF_NOT_ENOUGH;
LOG_WARN("buffer not enough", K(row_size), "remain", buf.remain());
} else {
StoredRow *sr = new (buf.head())StoredRow;
if (OB_FAIL(sr->copy_datums(datums,
buf.head() + ROW_HEAD_SIZE,
row_size - ROW_HEAD_SIZE - ROW_INDEX_SIZE,
row_size,
row_extend_size))) {
LOG_WARN("copy row failed", K(ret), K(row_size));
} else if (OB_FAIL(buf.fill_tail(ROW_INDEX_SIZE))) {
LOG_WARN("fill buffer tail failed", K(ret), K(buf), LITERAL_K(ROW_INDEX_SIZE));
} else {
*reinterpret_cast<row_idx_t *>(buf.tail()) = static_cast<row_idx_t>(buf.head() - payload_);
idx_off_ -= static_cast<int32_t>(ROW_INDEX_SIZE);
if (OB_FAIL(buf.fill_head(row_size - ROW_INDEX_SIZE))) {
LOG_WARN("fill buffer head failed", K(ret), K(buf), K(row_size - ROW_INDEX_SIZE));
} else {
rows_++;
LOG_DEBUG("finish add_row", K(rows_), K(row_size), KPC(sr));
if (NULL != stored_row) {
*stored_row = sr;
}
}
}
}
return ret;
}
int ObRADatumStore::Block::copy_stored_row(ShrinkBuffer &buf, const StoredRow &stored_row,
StoredRow **dst_sr)
{
int ret = OB_SUCCESS;
int64_t row_size = stored_row.row_size_;
if (OB_UNLIKELY(!buf.is_inited())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(buf), K(row_size));
} else if (OB_UNLIKELY(row_size <= ROW_INDEX_SIZE)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(row_size));
} else {
StoredRow *sr = new (buf.head())StoredRow;
sr->assign(&stored_row);
if (OB_FAIL(buf.fill_tail(ROW_INDEX_SIZE))) {
LOG_WARN("fill buffer tail failed", K(ret), K(buf), LITERAL_K(ROW_INDEX_SIZE));
} else {
*reinterpret_cast<row_idx_t *>(buf.tail()) = static_cast<row_idx_t>(buf.head() - payload_);
idx_off_ -= static_cast<int32_t>(ROW_INDEX_SIZE);
if (OB_FAIL(buf.fill_head(row_size - ROW_INDEX_SIZE))) {
LOG_WARN("fill buffer head failed", K(ret), K(buf), K(row_size - ROW_INDEX_SIZE));
} else {
rows_++;
LOG_DEBUG("finish copy_stored_row", K(rows_), K(row_size), KPC(sr));
if (nullptr != dst_sr) {
*dst_sr = sr;
}
}
}
}
return ret;
}
int ObRADatumStore::Block::get_store_row(const int64_t row_id, const StoredRow *&sr)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!contain(row_id))) {
ret = OB_INDEX_OUT_OF_RANGE;
LOG_WARN("invalid index", K(ret), K(row_id), K(*this));
} else {
StoredRow *row = reinterpret_cast<StoredRow *>(
&payload_[indexes()[rows_ - (row_id - row_id_) - 1]]);
if (0 == row->readable_) {
if (OB_FAIL(row->to_readable())) {
LOG_WARN("store row to readable failed", K(ret));
}
}
if (OB_SUCC(ret)) {
sr = row;
}
}
return ret;
}
int ObRADatumStore::Block::compact(ShrinkBuffer &buf)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!buf.is_inited())) {
LOG_WARN("invalid argument", K(ret), K(buf));
} else if (OB_FAIL(buf.compact())) {
LOG_WARN("block buffer compact failed", K(ret));
} else {
idx_off_ = static_cast<int32_t>(buf.head() - rows_ * ROW_INDEX_SIZE - payload_);
}
return ret;
}
int ObRADatumStore::Block::to_copyable()
{
int ret = OB_SUCCESS;
for (int64_t i = 0; OB_SUCC(ret) && i < rows_; ++i) {
StoredRow *sr = reinterpret_cast<StoredRow *>(&payload_[indexes()[i]]);
if (OB_FAIL(sr->to_copyable())) {
LOG_WARN("convert store row to copyable row failed", K(ret));
}
}
return ret;
}
ObRADatumStore::ObRADatumStore(common::ObIAllocator *alloc /* = NULL */)
: inited_(false), tenant_id_(0), label_(nullptr), ctx_id_(0), mem_limit_(0),
idx_blk_(NULL), save_row_cnt_(0), row_cnt_(0), fd_(-1), dir_id_(-1), file_size_(0),
inner_reader_(*this), mem_hold_(0), allocator_(NULL == alloc ? &inner_allocator_ : alloc),
row_extend_size_(0), mem_stat_(NULL), io_observer_(NULL)
{
}
int ObRADatumStore::init(int64_t mem_limit,
uint64_t tenant_id,
int64_t mem_ctx_id /* = common::ObCtxIds::DEFAULT_CTX_ID */,
const char *label /* = common::ObModIds::OB_SQL_ROW_STORE) */,
uint32_t row_extend_size /* = 0 */)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(inited_)) {
ret = OB_INIT_TWICE;
LOG_WARN("init twice", K(ret));
} else {
tenant_id_ = tenant_id;
ctx_id_ = mem_ctx_id;
label_ = label;
mem_limit_ = mem_limit;
row_extend_size_ = row_extend_size;
inited_ = true;
}
return ret;
}
void ObRADatumStore::set_mem_hold(int64_t hold)
{
inc_mem_hold(hold - mem_hold_);
}
void ObRADatumStore::inc_mem_hold(int64_t hold)
{
if (NULL != mem_stat_) {
if (hold > 0) {
mem_stat_->alloc(hold);
} else if (hold < 0) {
mem_stat_->free(-hold);
}
}
mem_hold_ += hold;
}
void ObRADatumStore::reset()
{
int ret = OB_SUCCESS;
label_ = common::ObModIds::OB_SQL_ROW_STORE;
ctx_id_ = common::ObCtxIds::DEFAULT_CTX_ID;
mem_limit_ = 0;
blkbuf_.reset();
// the last index block may not be linked to `blk_mem_list_` and needs to be released manually
if (NULL != idx_blk_) {
free_blk_mem(idx_blk_);
idx_blk_ = NULL;
}
save_row_cnt_ = 0;
row_cnt_ = 0;
inner_reader_.reset();
if (is_file_open()) {
if (OB_FAIL(FILE_MANAGER_INSTANCE_WITH_MTL_SWITCH.remove(tenant_id_, fd_))) {
LOG_WARN("remove file failed", K(ret), K_(fd));
} else {
LOG_INFO("close file success", K(ret), K_(fd));
}
fd_ = -1;
dir_id_ = -1;
file_size_ = 0;
}
tenant_id_ = common::OB_SERVER_TENANT_ID;
while (!blk_mem_list_.is_empty()) {
LinkNode *node = blk_mem_list_.remove_first();
if (NULL != node) {
node->~LinkNode();
allocator_->free(node);
}
}
blocks_.reset();
set_mem_hold(0);
row_extend_size_ = 0;
inited_ = false;
}
void ObRADatumStore::reuse()
{
int ret = OB_SUCCESS;
save_row_cnt_ = 0;
row_cnt_ = 0;
inner_reader_.reset();
if (is_file_open()) {
if (OB_FAIL(FILE_MANAGER_INSTANCE_WITH_MTL_SWITCH.remove(tenant_id_, fd_))) {
LOG_WARN("remove file failed", K(ret), K_(fd));
} else {
LOG_INFO("close file success", K(ret), K_(fd));
}
fd_ = -1;
dir_id_ = -1;
file_size_ = 0;
}
if (NULL != idx_blk_) {
free_blk_mem(idx_blk_);
idx_blk_ = NULL;
}
DLIST_FOREACH_REMOVESAFE_NORET(node, blk_mem_list_) {
if (&(*node) + 1 != static_cast<LinkNode *>(static_cast<void *>(blkbuf_.buf_.data()))) {
node->unlink();
node->~LinkNode();
allocator_->free(node);
}
}
set_mem_hold(0);
if (NULL != blkbuf_.buf_.data()) {
if (OB_FAIL(setup_block(blkbuf_))) {
LOG_WARN("setup block failed", K(ret));
}
set_mem_hold(blkbuf_.buf_.capacity() + sizeof(LinkNode));
}
blocks_.reset();
}
int ObRADatumStore::setup_block(BlockBuffer &blkbuf) const
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!is_inited())) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret));
} else if (OB_UNLIKELY(!blkbuf.buf_.is_inited())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("block buffer not inited", K(ret));
} else {
blkbuf.buf_.reuse();
blkbuf.blk_ = new (blkbuf.buf_.head()) Block;
blkbuf.blk_->row_id_ = row_cnt_;
blkbuf.blk_->idx_off_ = static_cast<int32_t>(
blkbuf.buf_.tail() - blkbuf.blk_->payload_);
if (OB_FAIL(blkbuf.buf_.fill_head(sizeof(Block)))) {
LOG_WARN("fill buffer head failed", K(ret), K(blkbuf.buf_), K(sizeof(Block)));
}
}
return ret;
}
// index block will add to list while idx_blk is full or finish_add
int ObRADatumStore::link_idx_block(IndexBlock *idx_blk)
{
int ret = OB_SUCCESS;
if (OB_ISNULL(idx_blk)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("idx_blk_ is null", K(ret));
} else {
void *mem = idx_blk;
LinkNode *node = static_cast<LinkNode *>(mem) - 1;
if (OB_UNLIKELY(!blk_mem_list_.add_last(node))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("add node to list failed", K(ret));
}
}
return ret;
}
void *ObRADatumStore::alloc_blk_mem(const int64_t size, const bool link_mem_list)
{
void *blk = NULL;
int ret = OB_SUCCESS;
if (OB_UNLIKELY(size < 0)) {
LOG_WARN("invalid argument", K(size));
} else {
ObMemAttr attr(tenant_id_, label_, ctx_id_);
void *mem = allocator_->alloc(size + sizeof(LinkNode), attr);
if (OB_UNLIKELY(NULL == mem)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("alloc memory failed", K(ret), KP(mem));
} else {
LinkNode *node = new (mem) LinkNode;
if (link_mem_list && OB_UNLIKELY(!blk_mem_list_.add_last(node))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("add node to list failed", K(ret));
node->~LinkNode();
allocator_->free(mem);
} else {
blk = static_cast<char *>(mem) + sizeof(LinkNode);
inc_mem_hold(size + sizeof(LinkNode));
}
}
}
return blk;
}
void ObRADatumStore::free_blk_mem(void *mem, const int64_t size /* = 0 */)
{
if (NULL != mem) {
LinkNode *node = static_cast<LinkNode *>(mem) - 1;
if (NULL != node->get_next()) {
node->unlink();
}
node->~LinkNode();
allocator_->free(node);
inc_mem_hold(-(size + sizeof(LinkNode)));
}
}
int ObRADatumStore::alloc_block(BlockBuffer &blkbuf, const int64_t min_size)
{
int ret = OB_SUCCESS;
int64_t size = std::max(static_cast<int64_t>(BLOCK_SIZE), min_size);
if (row_cnt_ > 0 || need_dump(size)) {
size = std::max(size, static_cast<int64_t>(BIG_BLOCK_SIZE));
}
size += sizeof(LinkNode);
size = next_pow2(size);
size -= sizeof(LinkNode);
if (OB_UNLIKELY(!is_inited())) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret));
} else {
void *mem = alloc_blk_mem(size, true /* link_mem_list */);
if (OB_ISNULL(mem)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("alloc memory failed", K(ret), K(size));
} else if (OB_FAIL(blkbuf.buf_.init(static_cast<char *>(mem), size))) {
LOG_WARN("init shrink buffer failed", K(ret));
} else if (OB_FAIL(setup_block(blkbuf))) {
LOG_WARN("setup block buffer fail", K(ret));
}
if (OB_FAIL(ret) && !OB_ISNULL(mem)) {
blkbuf.reset();
free_blk_mem(mem, size);
}
}
return ret;
}
int ObRADatumStore::switch_block(const int64_t min_size)
{
int ret = OB_SUCCESS;
const bool finish_add = (0 == min_size);
if (OB_UNLIKELY(!is_inited())) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret));
} else if (OB_UNLIKELY(min_size < 0) || OB_ISNULL(blkbuf_.blk_)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(min_size));
} else if (OB_FAIL(blkbuf_.blk_->compact(blkbuf_.buf_))) {
LOG_WARN("block compact failed", K(ret));
} else if (!finish_add && OB_FAIL(dump_block_if_need(min_size))) {
LOG_WARN("fail to dump block if need", K(ret), K(min_size));
} else {
BlockBuffer new_blkbuf;
BlockIndex bi;
bi.is_idx_block_ = false;
bi.on_disk_ = false;
bi.row_id_ = ~(0b11UL << 62) & save_row_cnt_;
bi.blk_ = blkbuf_.blk_;
bi.length_ = static_cast<int32_t>(blkbuf_.buf_.head_size());
bi.capacity_ = static_cast<int32_t>(blkbuf_.buf_.capacity()); // used to calc mem_hold for dump
if (OB_SUCC(ret) && !finish_add) { // need alloc new block
if (OB_FAIL(alloc_block(new_blkbuf, min_size))) {
LOG_WARN("alloc block failed", K(ret), K(min_size));
}
}
if (OB_SUCC(ret)) {
if (OB_FAIL(add_block_idx(bi))) {
LOG_WARN("add block index failed", K(ret));
} else {
save_row_cnt_ = row_cnt_;
blkbuf_.reset();
if (new_blkbuf.buf_.is_inited()) { // finish_add won't come here
blkbuf_ = new_blkbuf;
new_blkbuf.reset();
if (OB_FAIL(setup_block(blkbuf_))) {
LOG_WARN("setup block failed", K(ret));
}
}
}
}
if (OB_FAIL(ret) && new_blkbuf.buf_.is_inited()) {
free_blk_mem(new_blkbuf.blk_, new_blkbuf.buf_.capacity());
new_blkbuf.reset();
}
}
return ret;
}
int ObRADatumStore::add_block_idx(const BlockIndex &bi)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!is_inited())) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret));
} else {
if (!has_index_block()) {
if (OB_FAIL(blocks_.push_back(bi))) {
LOG_WARN("add block index to array failed", K(ret));
} else {
if (blocks_.count() >= DEFAULT_BLOCK_CNT) {
if (OB_FAIL(build_idx_block())) {
LOG_WARN("build index block failed", K(ret));
}
}
}
} else {
if (idx_blk_->is_full()) {
if (OB_FAIL(switch_idx_block())) {
LOG_WARN("switch index block failed", K(ret));
}
}
if (OB_SUCC(ret)) {
idx_blk_->block_indexes_[idx_blk_->cnt_++] = bi;
}
}
}
return ret;
}
int ObRADatumStore::alloc_idx_block(IndexBlock *&ib)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!is_inited())) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret));
} else {
void *mem = alloc_blk_mem(IndexBlock::INDEX_BLOCK_SIZE, false /* link_mem_list */);
if (OB_ISNULL(mem)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("alloc memory failed", K(ret));
} else {
ib = new (mem) IndexBlock;
}
}
return ret;
}
int ObRADatumStore::build_idx_block()
{
STATIC_ASSERT(IndexBlock::capacity() > DEFAULT_BLOCK_CNT,
"DEFAULT_BLOCK_CNT block indexes must fit in one index block");
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!is_inited())) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret));
} else if (OB_FAIL(alloc_idx_block(idx_blk_))) {
LOG_WARN("alloc idx block failed", K(ret));
} else if (OB_UNLIKELY(NULL == idx_blk_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("alloc null index block", K(ret));
} else {
for (int64_t i = 0; OB_SUCC(ret) && i < blocks_.count(); ++i) {
if (OB_FAIL(add_block_idx(blocks_.at(i)))) {
LOG_WARN("add block idx failed", K(ret));
}
}
if (OB_SUCC(ret)) {
blocks_.reset();
}
}
return ret;
}
// add a mode controlled by the `all_dump`
// `all_dump` is false means :
// only dumps blocks that have already been filled up and leaving the last block along
// `all_dump` is true means :
// dumps all blocks if needed
int ObRADatumStore::dump(const bool all_dump, const int64_t target_dump_size)
{
LOG_TRACE("before dump block", K(all_dump), K(target_dump_size), K(*this));
int ret = OB_SUCCESS;
int64_t tmp_dumped_size = 0;
LinkNode *node = blk_mem_list_.get_first();
LinkNode *next_node = NULL;
void *mem = nullptr;
Block *blk = nullptr;
IndexBlock *idx_blk = nullptr;
if (all_dump) {
// If need to dump all, first switch block and index block to ensure
// that all block indexes are established.
if (blkbuf_.buf_.is_inited() && OB_FAIL(switch_block(0 /*finish_add */))) {
LOG_WARN("fail to dump last block", K(ret));
} else if (has_index_block() && OB_FAIL(switch_idx_block(true /* finish_add */))) {
LOG_WARN("fail to dump last index block", K(ret));
}
LOG_TRACE("dump all blocks", K(blk_mem_list_.get_size()));
}
bool is_ib = false;
int64_t row_id = 0;
while (OB_SUCC(ret) && node != blk_mem_list_.get_header() &&
(all_dump || tmp_dumped_size < target_dump_size)) {
next_node = node->get_next();
if (OB_ISNULL(mem = static_cast<void *>(node + 1))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("cur block is null", K(ret));
} else if (is_last_block(mem)) {
// skip the last block or index block
} else {
// step 1 : find bi of blk
// step 2 : write file and update bi
// step 3 : free mem
if (is_block(mem)) {
is_ib = false;
blk = static_cast<Block *>(mem);
row_id = blk->row_id_;
} else if (is_index_block(mem)) {
is_ib = true;
idx_blk = static_cast<IndexBlock *>(mem);
if (OB_UNLIKELY(0 == idx_blk->cnt_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("empty index block is unexpected", K(ret), K(idx_blk));
} else {
row_id = idx_blk->row_id();
}
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("magic_ of cur block is unexpected", K(ret), K(block_magic(mem)),
K(blk_mem_list_.get_size()));
}
BlockIndex *bi = NULL;
if (OB_FAIL(ret)) {
} else if (is_ib && OB_FAIL(find_block_idx<true>(inner_reader_, row_id, bi))) {
LOG_WARN("fail to find block idx of index block", K(ret), K(row_id));
} else if (!is_ib && OB_FAIL(find_block_idx(inner_reader_, row_id, bi))) {
LOG_WARN("fail to find block idx of data block", K(ret), K(row_id));
} else if (OB_ISNULL(bi)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("null ptr is unexpected", K(ret), K(is_ib));
} else if (bi->on_disk_) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("block on disk is unexpected", K(ret), KPC(bi));
} else {
// dump
if (OB_ISNULL(blk_mem_list_.remove(node))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("remove node failed", K(ret), K(blk_mem_list_.get_size()));
} else if (!is_ib && OB_FAIL(blk->to_copyable())) {
LOG_WARN("convert block to copyable failed", K(ret));
} else if (OB_FAIL(write_file(*bi, mem, bi->length_))) { // write file and update bi
LOG_WARN("write block to file failed", K(ret), K(is_ib), KPC(bi));
} else {
if (blkbuf_.blk_ == blk) {
blkbuf_.reset();
} else if (idx_blk_ == idx_blk) {
idx_blk_ = NULL;
}
tmp_dumped_size += bi->length_;
}
free_blk_mem(mem, bi->capacity_);
}
}
if (OB_SUCC(ret)) {
node = next_node;
}
}
if (OB_SUCC(ret) && all_dump && blk_mem_list_.is_empty() && is_file_open()) {
int64_t timeout_ms = 0;
if (OB_FAIL(get_timeout(timeout_ms))) {
LOG_WARN("get timeout failed", K(ret));
}
}
LOG_TRACE("after dump block", K(all_dump), K(tmp_dumped_size), K(*this));
return ret;
}
int ObRADatumStore::switch_idx_block(bool finish_add /* = false */)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!is_inited())) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret));
} else if (OB_ISNULL(idx_blk_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("idx_blk_ should not be null", K(ret));
} else if (OB_FAIL(link_idx_block(idx_blk_))) { // idx_blk is full or finish_add
// idx_blk must dump later than the corresponding data block
// so add the idx_blk in blk_mem_list after the corresponding data block
LOG_WARN("add_idx_blk_to_blk_mem_list failed", K(ret));
} else {
IndexBlock *ib = NULL;
BlockIndex bi;
bi.is_idx_block_ = true;
bi.on_disk_ = false;
bi.row_id_ = idx_blk_->block_indexes_[0].row_id_;
bi.idx_blk_ = idx_blk_;
bi.length_ = static_cast<int32_t>(idx_blk_->buffer_size());
bi.capacity_ = static_cast<int32_t>(IndexBlock::INDEX_BLOCK_SIZE);
if (OB_SUCC(ret) && !finish_add) {
if (OB_FAIL(alloc_idx_block(ib))) {
LOG_WARN("alloc index block failed", K(ret));
} else if (OB_ISNULL(ib)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("alloc null block", K(ret));
}
}
if (OB_FAIL(ret)) {
} else if (OB_FAIL(blocks_.push_back(bi))) {
LOG_WARN("add block index to array failed", K(ret));
} else {
idx_blk_ = NULL;
if (NULL != ib) { // finish_add won't come here
idx_blk_ = ib;
ib = NULL;
}
}
if (OB_FAIL(ret) && NULL != ib) {
ib->~IndexBlock();
free_blk_mem(ib, IndexBlock::INDEX_BLOCK_SIZE);
ib = NULL;
}
}
return ret;
}
/*
* Read data from ObChunkDatumStore, and then write to ObChunkDatumStore using copy_row
* Write from ObExpr's ObDatum of operator to ObChunkDatumStore using add_row
* In theory, there are only these two interfaces
*/
template<bool NEED_EVAL>
int ObRADatumStore::add_row(const common::ObIArray<ObExpr*> &exprs,
ObEvalCtx *ctx, StoredRow **stored_row)
{
int ret = OB_SUCCESS;
int64_t row_size = 0;
if (OB_UNLIKELY(!is_inited())) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret));
} else if (OB_FAIL(Block::row_store_size<NEED_EVAL>(exprs, *ctx, row_size, row_extend_size_))) {
// row store size ensures exprs have been calculated
LOG_WARN("failed to calc store size");
} else {
const int64_t min_buf_size = Block::min_buf_size(row_size);
if (OB_SUCC(ret) && NULL == blkbuf_.blk_) {
if (OB_FAIL(alloc_block(blkbuf_, min_buf_size))) {
LOG_WARN("alloc block failed", K(ret));
}
}
if (OB_SUCC(ret)) {
if (row_size > blkbuf_.buf_.remain() && OB_FAIL(switch_block(min_buf_size))) {
LOG_WARN("switch block failed", K(ret), K(row_size), K(min_buf_size));
} else if (OB_FAIL(blkbuf_.blk_->add_row(blkbuf_.buf_, exprs, *ctx, row_size,
row_extend_size_, stored_row))) {
LOG_WARN("add row to block failed", K(ret), K(exprs), K(row_size));
} else {
row_cnt_++;
}
}
}
return ret;
}
template int ObRADatumStore::add_row<true>(const common::ObIArray<ObExpr*> &exprs,
ObEvalCtx *ctx,
StoredRow **stored_row);
template int ObRADatumStore::add_row<false>(const common::ObIArray<ObExpr*> &exprs,
ObEvalCtx *ctx,
StoredRow **stored_row);
int ObRADatumStore::add_row(const common::ObIArray<ObDatum> &datums,
StoredRow **stored_row)
{
int ret = OB_SUCCESS;
int64_t row_size = 0;
if (OB_UNLIKELY(!is_inited())) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret));
} else if (OB_FAIL(Block::row_store_size(datums, row_size, row_extend_size_))) {
// row store size ensures exprs have been calculated
LOG_WARN("failed to calc store size");
} else {
const int64_t min_buf_size = Block::min_buf_size(row_size);
if (OB_SUCC(ret) && NULL == blkbuf_.blk_) {
if (OB_FAIL(alloc_block(blkbuf_, min_buf_size))) {
LOG_WARN("alloc block failed", K(ret));
}
}
if (OB_SUCC(ret)) {
if (row_size > blkbuf_.buf_.remain() && OB_FAIL(switch_block(min_buf_size))) {
LOG_WARN("switch block failed", K(ret), K(row_size), K(min_buf_size));
} else if (OB_FAIL(blkbuf_.blk_->add_row(blkbuf_.buf_, datums, row_size,
row_extend_size_, stored_row))) {
LOG_WARN("add row to block failed", K(ret), K(datums), K(row_size));
} else {
row_cnt_++;
}
}
}
return ret;
}
template <bool IS_IB>
int ObRADatumStore::find_block_idx(Reader &reader, const int64_t row_id, BlockIndex *&bi)
{
int ret = OB_SUCCESS;
bi = NULL;
if (OB_UNLIKELY(!is_inited())) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret));
} else if (OB_UNLIKELY(row_id < 0) || OB_UNLIKELY(row_id >= save_row_cnt_)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("row should be saved", K(ret), K(row_id), K_(save_row_cnt));
} else if (IS_IB) {
if (OB_UNLIKELY(blocks_.empty())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("try to find block index in empty list", K(ret), K(row_id));
} else {
auto it = std::lower_bound(blocks_.begin(), blocks_.end(), row_id, &BlockIndex::compare);
if (it == blocks_.end() || it->row_id_ != row_id) {
it--;
}
bi = &(*it);
if (!bi->is_idx_block_) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("bi is data_block_, expect idx block", K(ret), K(row_id), K(blocks_.count()));
}
}
} else {
bool found = false;
if (NULL != reader.idx_blk_) {
if (OB_UNLIKELY(reader.ib_pos_ < 0)
|| OB_UNLIKELY(reader.ib_pos_ >= reader.idx_blk_->cnt_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("ib_pos out of range", K(ret), K(reader.ib_pos_), K(*reader.idx_blk_));
} else {
int64_t pos = reader.ib_pos_;
if (row_id > reader.idx_blk_->block_indexes_[pos].row_id_) {
pos += 1;
if (reader.idx_blk_->row_in_pos(row_id, pos)) {
found = true;
reader.ib_pos_ = pos;
}
} else {
pos -= 1;
if (reader.idx_blk_->row_in_pos(row_id, pos)) {
found = true;
reader.ib_pos_ = pos;
}
}
}
if (!found) {
reader.reset_cursor(file_size_);
} else {
bi = &reader.idx_blk_->block_indexes_[reader.ib_pos_];
}