-
Notifications
You must be signed in to change notification settings - Fork 170
/
Copy pathschema.cc
1261 lines (1099 loc) · 43.8 KB
/
schema.cc
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) 2014 ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#include "utils/UUID_gen.hh"
#include "cql3/column_identifier.hh"
#include "cql3/util.hh"
#include "schema.hh"
#include "schema_builder.hh"
#include <boost/algorithm/cxx11/any_of.hpp>
#include <boost/range/adaptor/transformed.hpp>
#include "db/marshal/type_parser.hh"
#include "version.hh"
#include "schema_registry.hh"
#include <boost/range/adaptor/map.hpp>
#include <boost/range/algorithm.hpp>
#include <boost/algorithm/cxx11/any_of.hpp>
#include "view_info.hh"
#include "partition_slice_builder.hh"
constexpr int32_t schema::NAME_LENGTH;
sstring to_sstring(column_kind k) {
switch (k) {
case column_kind::partition_key: return "PARTITION_KEY";
case column_kind::clustering_key: return "CLUSTERING_COLUMN";
case column_kind::static_column: return "STATIC";
case column_kind::regular_column: return "REGULAR";
}
throw std::invalid_argument("unknown column kind");
}
bool is_compatible(column_kind k1, column_kind k2) {
return k1 == k2;
}
column_mapping_entry::column_mapping_entry(bytes name, sstring type_name)
: column_mapping_entry(std::move(name), db::marshal::type_parser::parse(type_name))
{
}
column_mapping_entry::column_mapping_entry(const column_mapping_entry& o)
: column_mapping_entry(o._name, o._type->name())
{
}
column_mapping_entry& column_mapping_entry::operator=(const column_mapping_entry& o) {
auto copy = o;
return operator=(std::move(copy));
}
template<typename Sequence>
std::vector<data_type>
get_column_types(const Sequence& column_definitions) {
std::vector<data_type> result;
for (auto&& col : column_definitions) {
result.push_back(col.type);
}
return result;
}
std::ostream& operator<<(std::ostream& out, const column_mapping& cm) {
column_id n_static = cm.n_static();
column_id n_regular = cm.columns().size() - n_static;
auto pr_entry = [] (column_id i, const column_mapping_entry& e) {
// Without schema we don't know if name is UTF8. If we had schema we could use
// s->regular_column_name_type()->to_string(e.name()).
return sprint("{id=%s, name=0x%s, type=%s}", i, e.name(), e.type()->name());
};
return out << "{static=[" << ::join(", ", boost::irange<column_id>(0, n_static) |
boost::adaptors::transformed([&] (column_id i) { return pr_entry(i, cm.static_column_at(i)); }))
<< "], regular=[" << ::join(", ", boost::irange<column_id>(0, n_regular) |
boost::adaptors::transformed([&] (column_id i) { return pr_entry(i, cm.regular_column_at(i)); }))
<< "]}";
}
::shared_ptr<cql3::column_specification>
schema::make_column_specification(const column_definition& def) {
auto id = ::make_shared<cql3::column_identifier>(def.name(), column_name_type(def));
return ::make_shared<cql3::column_specification>(_raw._ks_name, _raw._cf_name, std::move(id), def.type);
}
v3_columns::v3_columns(std::vector<column_definition> cols, bool is_dense, bool is_compound)
: _is_dense(is_dense)
, _is_compound(is_compound)
, _columns(std::move(cols))
{
for (column_definition& def : _columns) {
_columns_by_name[def.name()] = &def;
}
}
v3_columns v3_columns::from_v2_schema(const schema& s) {
data_type static_column_name_type = utf8_type;
std::vector<column_definition> cols;
if (s.is_static_compact_table()) {
if (s.has_static_columns()) {
throw std::runtime_error(
sprint("v2 static compact table should not have static columns: %s.%s", s.ks_name(), s.cf_name()));
}
if (s.clustering_key_size()) {
throw std::runtime_error(
sprint("v2 static compact table should not have clustering columns: %s.%s", s.ks_name(), s.cf_name()));
}
static_column_name_type = s.regular_column_name_type();
for (auto& c : s.all_columns()) {
// Note that for "static" no-clustering compact storage we use static for the defined columns
if (c.kind == column_kind::regular_column) {
auto new_def = c;
new_def.kind = column_kind::static_column;
cols.push_back(new_def);
} else {
cols.push_back(c);
}
}
schema_builder::default_names names(s._raw);
cols.emplace_back(to_bytes(names.clustering_name()), static_column_name_type, column_kind::clustering_key, 0);
cols.emplace_back(to_bytes(names.compact_value_name()), s.make_legacy_default_validator(), column_kind::regular_column, 0);
} else {
cols = s.all_columns();
}
for (column_definition& def : cols) {
data_type name_type = def.is_static() ? static_column_name_type : utf8_type;
auto id = ::make_shared<cql3::column_identifier>(def.name(), name_type);
def.column_specification = ::make_shared<cql3::column_specification>(s.ks_name(), s.cf_name(), std::move(id), def.type);
}
return v3_columns(std::move(cols), s.is_dense(), s.is_compound());
}
void v3_columns::apply_to(schema_builder& builder) const {
if (is_static_compact()) {
for (auto& c : _columns) {
if (c.kind == column_kind::regular_column) {
builder.set_default_validation_class(c.type);
} else if (c.kind == column_kind::static_column) {
auto new_def = c;
new_def.kind = column_kind::regular_column;
builder.with_column(new_def);
} else if (c.kind == column_kind::clustering_key) {
builder.set_regular_column_name_type(c.type);
} else {
builder.with_column(c);
}
}
} else {
for (auto& c : _columns) {
if (is_compact() && c.kind == column_kind::regular_column) {
builder.set_default_validation_class(c.type);
}
builder.with_column(c);
}
}
}
bool v3_columns::is_static_compact() const {
return !_is_dense && !_is_compound;
}
bool v3_columns::is_compact() const {
return _is_dense || !_is_compound;
}
const std::unordered_map<bytes, const column_definition*>& v3_columns::columns_by_name() const {
return _columns_by_name;
}
const std::vector<column_definition>& v3_columns::all_columns() const {
return _columns;
}
void schema::rebuild() {
_partition_key_type = make_lw_shared<compound_type<>>(get_column_types(partition_key_columns()));
_clustering_key_type = make_lw_shared<compound_prefix>(get_column_types(clustering_key_columns()));
_clustering_key_size = column_offset(column_kind::static_column) - column_offset(column_kind::clustering_key);
_regular_column_count = _raw._columns.size() - column_offset(column_kind::regular_column);
_static_column_count = column_offset(column_kind::regular_column) - column_offset(column_kind::static_column);
_columns_by_name.clear();
for (const column_definition& def : all_columns()) {
_columns_by_name[def.name()] = &def;
}
static_assert(row_column_ids_are_ordered_by_name::value, "row columns don't need to be ordered by name");
if (!std::is_sorted(regular_columns().begin(), regular_columns().end(), column_definition::name_comparator(regular_column_name_type()))) {
throw std::runtime_error("Regular columns should be sorted by name");
}
if (!std::is_sorted(static_columns().begin(), static_columns().end(), column_definition::name_comparator(static_column_name_type()))) {
throw std::runtime_error("Static columns should be sorted by name");
}
{
std::vector<column_mapping_entry> cm_columns;
for (const column_definition& def : boost::range::join(static_columns(), regular_columns())) {
cm_columns.emplace_back(column_mapping_entry{def.name(), def.type});
}
_column_mapping = column_mapping(std::move(cm_columns), static_columns_count());
}
thrift()._compound = is_compound();
thrift()._is_dynamic = clustering_key_size() > 0;
if (is_counter()) {
for (auto&& cdef : boost::range::join(static_columns(), regular_columns())) {
if (!cdef.type->is_counter()) {
throw exceptions::configuration_exception(sprint("Cannot add a non counter column (%s) in a counter column family", cdef.name_as_text()));
}
}
} else {
for (auto&& cdef : all_columns()) {
if (cdef.type->is_counter()) {
throw exceptions::configuration_exception(sprint("Cannot add a counter column (%s) in a non counter column family", cdef.name_as_text()));
}
}
}
_v3_columns = v3_columns::from_v2_schema(*this);
_full_slice = make_shared(partition_slice_builder(*this).build());
}
const column_mapping& schema::get_column_mapping() const {
return _column_mapping;
}
schema::raw_schema::raw_schema(utils::UUID id)
: _id(id)
{ }
schema::schema(const raw_schema& raw, stdx::optional<raw_view_info> raw_view_info)
: _raw(raw)
, _offsets([this] {
if (_raw._columns.size() > std::numeric_limits<column_count_type>::max()) {
throw std::runtime_error(sprint("Column count limit (%d) overflowed: %d",
std::numeric_limits<column_count_type>::max(), _raw._columns.size()));
}
auto& cols = _raw._columns;
std::array<column_count_type, 4> count = { 0, 0, 0, 0 };
auto i = cols.begin();
auto e = cols.end();
for (auto k : { column_kind::partition_key, column_kind::clustering_key, column_kind::static_column, column_kind::regular_column }) {
auto j = std::stable_partition(i, e, [k](const auto& c) {
return c.kind == k;
});
count[column_count_type(k)] = std::distance(i, j);
i = j;
}
return std::array<column_count_type, 3> {
count[0],
count[0] + count[1],
count[0] + count[1] + count[2],
};
}())
{
std::sort(
_raw._columns.begin() + column_offset(column_kind::static_column),
_raw._columns.begin()
+ column_offset(column_kind::regular_column),
column_definition::name_comparator(static_column_name_type()));
std::sort(
_raw._columns.begin()
+ column_offset(column_kind::regular_column),
_raw._columns.end(), column_definition::name_comparator(regular_column_name_type()));
std::sort(_raw._columns.begin(),
_raw._columns.begin() + column_offset(column_kind::clustering_key),
[] (auto x, auto y) { return x.id < y.id; });
std::sort(_raw._columns.begin() + column_offset(column_kind::clustering_key),
_raw._columns.begin() + column_offset(column_kind::static_column),
[] (auto x, auto y) { return x.id < y.id; });
column_id id = 0;
for (auto& def : _raw._columns) {
def.column_specification = make_column_specification(def);
assert(!def.id || def.id == id - column_offset(def.kind));
def.id = id - column_offset(def.kind);
auto dropped_at_it = _raw._dropped_columns.find(def.name_as_text());
if (dropped_at_it != _raw._dropped_columns.end()) {
def._dropped_at = std::max(def._dropped_at, dropped_at_it->second.timestamp);
}
def._thrift_bits = column_definition::thrift_bits();
{
// is_on_all_components
// TODO : In origin, this predicate is "componentIndex == null", which is true in
// a number of cases, some of which I've most likely missed...
switch (def.kind) {
case column_kind::partition_key:
// In origin, ci == null is true for a PK column where CFMetaData "keyValidator" is non-composite.
// Which is true of #pk == 1
def._thrift_bits.is_on_all_components = partition_key_size() == 1;
break;
case column_kind::regular_column:
if (_raw._is_dense) {
// regular values in dense tables are alone, so they have no index
def._thrift_bits.is_on_all_components = true;
break;
}
default:
// Or any other column where "comparator" is not compound
def._thrift_bits.is_on_all_components = !thrift().has_compound_comparator();
break;
}
}
++id;
}
rebuild();
if (raw_view_info) {
_view_info = std::make_unique<::view_info>(*this, *raw_view_info);
}
}
schema::schema(std::experimental::optional<utils::UUID> id,
sstring ks_name,
sstring cf_name,
std::vector<column> partition_key,
std::vector<column> clustering_key,
std::vector<column> regular_columns,
std::vector<column> static_columns,
data_type regular_column_name_type,
sstring comment)
: schema([&] {
raw_schema raw(id ? *id : utils::UUID_gen::get_time_UUID());
raw._comment = std::move(comment);
raw._ks_name = std::move(ks_name);
raw._cf_name = std::move(cf_name);
raw._regular_column_name_type = regular_column_name_type;
auto build_columns = [&raw](std::vector<column>& columns, column_kind kind) {
for (auto& sc : columns) {
if (sc.type->is_multi_cell()) {
raw._collections.emplace(sc.name, sc.type);
}
raw._columns.emplace_back(std::move(sc.name), std::move(sc.type), kind);
}
};
build_columns(partition_key, column_kind::partition_key);
build_columns(clustering_key, column_kind::clustering_key);
build_columns(static_columns, column_kind::static_column);
build_columns(regular_columns, column_kind::regular_column);
return raw;
}(), stdx::nullopt)
{}
schema::schema(const schema& o)
: _raw(o._raw)
, _offsets(o._offsets)
{
rebuild();
if (o.is_view()) {
_view_info = std::make_unique<::view_info>(*this, o.view_info()->raw());
}
}
schema::~schema() {
if (_registry_entry) {
_registry_entry->detach_schema();
}
}
schema_registry_entry*
schema::registry_entry() const noexcept {
return _registry_entry;
}
sstring schema::thrift_key_validator() const {
if (partition_key_size() == 1) {
return partition_key_columns().begin()->type->name();
} else {
sstring type_params = ::join(", ", partition_key_columns()
| boost::adaptors::transformed(std::mem_fn(&column_definition::type))
| boost::adaptors::transformed(std::mem_fn(&abstract_type::name)));
return "org.apache.cassandra.db.marshal.CompositeType(" + type_params + ")";
}
}
bool
schema::has_multi_cell_collections() const {
return boost::algorithm::any_of(all_columns(), [] (const column_definition& cdef) {
return cdef.type->is_collection() && cdef.type->is_multi_cell();
});
}
bool operator==(const schema& x, const schema& y)
{
return x._raw._id == y._raw._id
&& x._raw._ks_name == y._raw._ks_name
&& x._raw._cf_name == y._raw._cf_name
&& x._raw._columns == y._raw._columns
&& x._raw._comment == y._raw._comment
&& x._raw._default_time_to_live == y._raw._default_time_to_live
&& x._raw._regular_column_name_type->equals(y._raw._regular_column_name_type)
&& x._raw._bloom_filter_fp_chance == y._raw._bloom_filter_fp_chance
&& x._raw._compressor_params == y._raw._compressor_params
&& x._raw._is_dense == y._raw._is_dense
&& x._raw._is_compound == y._raw._is_compound
&& x._raw._type == y._raw._type
&& x._raw._gc_grace_seconds == y._raw._gc_grace_seconds
&& x._raw._dc_local_read_repair_chance == y._raw._dc_local_read_repair_chance
&& x._raw._read_repair_chance == y._raw._read_repair_chance
&& x._raw._min_compaction_threshold == y._raw._min_compaction_threshold
&& x._raw._max_compaction_threshold == y._raw._max_compaction_threshold
&& x._raw._min_index_interval == y._raw._min_index_interval
&& x._raw._max_index_interval == y._raw._max_index_interval
&& x._raw._memtable_flush_period == y._raw._memtable_flush_period
&& x._raw._speculative_retry == y._raw._speculative_retry
&& x._raw._compaction_strategy == y._raw._compaction_strategy
&& x._raw._compaction_strategy_options == y._raw._compaction_strategy_options
&& x._raw._compaction_enabled == y._raw._compaction_enabled
&& x._raw._caching_options == y._raw._caching_options
&& x._raw._dropped_columns == y._raw._dropped_columns
&& x._raw._collections == y._raw._collections
&& indirect_equal_to<std::unique_ptr<::view_info>>()(x._view_info, y._view_info)
&& x._raw._indices_by_name == y._raw._indices_by_name
&& x._raw._is_counter == y._raw._is_counter
;
#if 0
&& Objects.equal(triggers, other.triggers)
#endif
}
index_metadata::index_metadata(const sstring& name,
const index_options_map& options,
index_metadata_kind kind)
: _id{utils::UUID_gen::get_name_UUID(name)}
, _name{name}
, _kind{kind}
, _options{options}
{}
bool index_metadata::operator==(const index_metadata& other) const {
return _id == other._id
&& _name == other._name
&& _kind == other._kind
&& _options == other._options;
}
bool index_metadata::equals_noname(const index_metadata& other) const {
return _kind == other._kind && _options == other._options;
}
const utils::UUID& index_metadata::id() const {
return _id;
}
const sstring& index_metadata::name() const {
return _name;
}
const index_metadata_kind index_metadata::kind() const {
return _kind;
}
const index_options_map& index_metadata::options() const {
return _options;
}
sstring index_metadata::get_default_index_name(const sstring& cf_name,
std::experimental::optional<sstring> root) {
if (root) {
return cf_name + "_" + root.value() + "_idx";
}
return cf_name + "_idx";
}
column_definition::column_definition(bytes name, data_type type, column_kind kind, column_id component_index, column_view_virtual is_view_virtual, api::timestamp_type dropped_at)
: _name(std::move(name))
, _dropped_at(dropped_at)
, _is_atomic(type->is_atomic())
, _is_counter(type->is_counter())
, _is_view_virtual(is_view_virtual)
, type(std::move(type))
, id(component_index)
, kind(kind)
{}
std::ostream& operator<<(std::ostream& os, const column_definition& cd) {
os << "ColumnDefinition{";
os << "name=" << cd.name_as_text();
os << ", type=" << cd.type->name();
os << ", kind=" << to_sstring(cd.kind);
if (cd.is_view_virtual()) {
os << ", view_virtual";
}
os << ", componentIndex=" << (cd.has_component_index() ? std::to_string(cd.component_index()) : "null");
os << ", droppedAt=" << cd._dropped_at;
os << "}";
return os;
}
const column_definition*
schema::get_column_definition(const bytes& name) const {
auto i = _columns_by_name.find(name);
if (i == _columns_by_name.end()) {
return nullptr;
}
return i->second;
}
const column_definition&
schema::column_at(column_kind kind, column_id id) const {
return _raw._columns.at(column_offset(kind) + id);
}
std::ostream& operator<<(std::ostream& os, const schema& s) {
os << "org.apache.cassandra.config.CFMetaData@" << &s << "[";
os << "cfId=" << s._raw._id;
os << ",ksName=" << s._raw._ks_name;
os << ",cfName=" << s._raw._cf_name;
os << ",cfType=" << cf_type_to_sstring(s._raw._type);
os << ",comparator=" << cell_comparator::to_sstring(s);
os << ",comment=" << s._raw._comment;
os << ",readRepairChance=" << s._raw._read_repair_chance;
os << ",dcLocalReadRepairChance=" << s._raw._dc_local_read_repair_chance;
os << ",gcGraceSeconds=" << s._raw._gc_grace_seconds;
os << ",keyValidator=" << s.thrift_key_validator();
os << ",minCompactionThreshold=" << s._raw._min_compaction_threshold;
os << ",maxCompactionThreshold=" << s._raw._max_compaction_threshold;
os << ",columnMetadata=[";
int n = 0;
for (auto& cdef : s._raw._columns) {
if (n++ != 0) {
os << ", ";
}
os << cdef;
}
os << "]";
os << ",compactionStrategyClass=class org.apache.cassandra.db.compaction." << sstables::compaction_strategy::name(s._raw._compaction_strategy);
os << ",compactionStrategyOptions={";
n = 0;
for (auto& p : s._raw._compaction_strategy_options) {
os << p.first << "=" << p.second;
os << ", ";
}
os << "enabled=" << std::boolalpha << s._raw._compaction_enabled;
os << "}";
os << ",compressionParameters={";
n = 0;
for (auto& p : s._raw._compressor_params.get_options() ) {
if (n++ != 0) {
os << ", ";
}
os << p.first << "=" << p.second;
}
os << "}";
os << ",bloomFilterFpChance=" << s._raw._bloom_filter_fp_chance;
os << ",memtableFlushPeriod=" << s._raw._memtable_flush_period;
os << ",caching=" << s._raw._caching_options.to_sstring();
os << ",defaultTimeToLive=" << s._raw._default_time_to_live.count();
os << ",minIndexInterval=" << s._raw._min_index_interval;
os << ",maxIndexInterval=" << s._raw._max_index_interval;
os << ",speculativeRetry=" << s._raw._speculative_retry.to_sstring();
os << ",triggers=[]";
os << ",isDense=" << std::boolalpha << s._raw._is_dense;
os << ",version=" << s.version();
os << ",droppedColumns={";
n = 0;
for (auto& dc : s._raw._dropped_columns) {
if (n++ != 0) {
os << ", ";
}
os << dc.first << " : { " << dc.second.type->name() << ", " << dc.second.timestamp << " }";
}
os << "}";
os << ",collections={";
n = 0;
for (auto& c : s._raw._collections) {
if (n++ != 0) {
os << ", ";
}
os << c.first << " : " << c.second->name();
}
os << "}";
os << ",indices={";
n = 0;
for (auto& c : s._raw._indices_by_name) {
if (n++ != 0) {
os << ", ";
}
os << c.first << " : " << c.second.id();
}
os << "}";
if (s.is_view()) {
os << ", viewInfo=" << *s.view_info();
}
os << "]";
return os;
}
const sstring&
column_definition::name_as_text() const {
return column_specification->name->text();
}
const bytes&
column_definition::name() const {
return _name;
}
sstring column_definition::name_as_cql_string() const {
return cql3::util::maybe_quote(name_as_text());
}
bool column_definition::is_on_all_components() const {
return _thrift_bits.is_on_all_components;
}
bool operator==(const column_definition& x, const column_definition& y)
{
return x._name == y._name
&& x.type->equals(y.type)
&& x.id == y.id
&& x.kind == y.kind
&& x._dropped_at == y._dropped_at;
}
// Based on org.apache.cassandra.config.CFMetaData#generateLegacyCfId
utils::UUID
generate_legacy_id(const sstring& ks_name, const sstring& cf_name) {
return utils::UUID_gen::get_name_UUID(ks_name + cf_name);
}
bool thrift_schema::has_compound_comparator() const {
return _compound;
}
bool thrift_schema::is_dynamic() const {
return _is_dynamic;
}
schema_builder::schema_builder(const sstring& ks_name, const sstring& cf_name,
std::experimental::optional<utils::UUID> id, data_type rct)
: _raw(id ? *id : utils::UUID_gen::get_time_UUID())
{
_raw._ks_name = ks_name;
_raw._cf_name = cf_name;
_raw._regular_column_name_type = rct;
}
schema_builder::schema_builder(const schema_ptr s)
: schema_builder(s->_raw)
{
if (s->is_view()) {
_view_info = s->view_info()->raw();
}
}
schema_builder::schema_builder(const schema::raw_schema& raw)
: _raw(raw)
{
static_assert(schema::row_column_ids_are_ordered_by_name::value, "row columns don't need to be ordered by name");
// Schema builder may add or remove columns and their ids need to be
// recomputed in build().
for (auto& def : _raw._columns | boost::adaptors::filtered([] (auto& def) { return !def.is_primary_key(); })) {
def.id = 0;
}
}
column_definition& schema_builder::find_column(const cql3::column_identifier& c) {
auto i = std::find_if(_raw._columns.begin(), _raw._columns.end(), [c](auto& p) {
return p.name() == c.name();
});
if (i != _raw._columns.end()) {
return *i;
}
throw std::invalid_argument(sprint("No such column %s", c.name()));
}
schema_builder& schema_builder::with_column(const column_definition& c) {
return with_column(bytes(c.name()), data_type(c.type), column_kind(c.kind), c.position(), c.view_virtual());
}
schema_builder& schema_builder::with_column(bytes name, data_type type, column_kind kind, column_view_virtual is_view_virtual) {
// component_index will be determined by schema cosntructor
return with_column(name, type, kind, 0, is_view_virtual);
}
schema_builder& schema_builder::with_column(bytes name, data_type type, column_kind kind, column_id component_index, column_view_virtual is_view_virtual) {
_raw._columns.emplace_back(name, type, kind, component_index, is_view_virtual);
if (type->is_multi_cell()) {
with_collection(name, type);
} else if (type->is_counter()) {
set_is_counter(true);
}
return *this;
}
schema_builder& schema_builder::remove_column(bytes name)
{
auto it = boost::range::find_if(_raw._columns, [&] (auto& column) {
return column.name() == name;
});
assert(it != _raw._columns.end());
without_column(it->name_as_text(), it->type, api::new_timestamp());
_raw._columns.erase(it);
return *this;
}
schema_builder& schema_builder::without_column(sstring name, api::timestamp_type timestamp) {
return without_column(std::move(name), bytes_type, timestamp);
}
schema_builder& schema_builder::without_column(sstring name, data_type type, api::timestamp_type timestamp)
{
auto ret = _raw._dropped_columns.emplace(name, schema::dropped_column{type, timestamp});
if (!ret.second && ret.first->second.timestamp < timestamp) {
ret.first->second.type = type;
ret.first->second.timestamp = timestamp;
}
return *this;
}
schema_builder& schema_builder::rename_column(bytes from, bytes to)
{
auto it = std::find_if(_raw._columns.begin(), _raw._columns.end(), [&] (auto& col) {
return col.name() == from;
});
assert(it != _raw._columns.end());
auto& def = *it;
column_definition new_def(to, def.type, def.kind, def.component_index());
_raw._columns.erase(it);
return with_column(new_def);
}
schema_builder& schema_builder::alter_column_type(bytes name, data_type new_type)
{
auto it = boost::find_if(_raw._columns, [&name] (auto& c) { return c.name() == name; });
assert(it != _raw._columns.end());
it->type = new_type;
if (new_type->is_multi_cell()) {
auto c_it = _raw._collections.find(name);
assert(c_it != _raw._collections.end());
c_it->second = new_type;
}
return *this;
}
schema_builder& schema_builder::with_collection(bytes name, data_type type)
{
_raw._collections.emplace(name, type);
return *this;
}
schema_builder& schema_builder::with(compact_storage cs) {
_compact_storage = cs;
return *this;
}
schema_builder& schema_builder::with_version(table_schema_version v) {
_version = v;
return *this;
}
static const sstring default_partition_key_name = "key";
static const sstring default_clustering_name = "column";
static const sstring default_compact_value_name = "value";
schema_builder::default_names::default_names(const schema_builder& builder)
: default_names(builder._raw)
{}
schema_builder::default_names::default_names(const schema::raw_schema& raw)
: _raw(raw)
, _partition_index(0)
, _clustering_index(1)
, _compact_index(0)
{}
sstring schema_builder::default_names::unique_name(const sstring& base, size_t& idx, size_t off) const {
for (;;) {
auto candidate = idx == 0 ? base : base + std::to_string(idx + off);
++idx;
auto i = std::find_if(_raw._columns.begin(), _raw._columns.end(), [b = to_bytes(candidate)](const column_definition& c) {
return c.name() == b;
});
if (i == _raw._columns.end()) {
return candidate;
}
}
}
sstring schema_builder::default_names::partition_key_name() {
// For compatibility sake, we call the first alias 'key' rather than 'key1'. This
// is inconsistent with column alias, but it's probably not worth risking breaking compatibility now.
return unique_name(default_partition_key_name, _partition_index, 1);
}
sstring schema_builder::default_names::clustering_name() {
return unique_name(default_clustering_name, _clustering_index, 0);
}
sstring schema_builder::default_names::compact_value_name() {
return unique_name(default_compact_value_name, _compact_index, 0);
}
void schema_builder::prepare_dense_schema(schema::raw_schema& raw) {
auto is_dense = raw._is_dense;
auto is_compound = raw._is_compound;
auto is_compact_table = is_dense || !is_compound;
if (is_compact_table) {
auto count_kind = [&raw](column_kind kind) {
return std::count_if(raw._columns.begin(), raw._columns.end(), [kind](const column_definition& c) {
return c.kind == kind;
});
};
default_names names(raw);
if (is_dense) {
auto regular_cols = count_kind(column_kind::regular_column);
// In Origin, dense CFs always have at least one regular column
if (regular_cols == 0) {
raw._columns.emplace_back(to_bytes(names.compact_value_name()),
empty_type,
column_kind::regular_column, 0);
} else if (regular_cols > 1) {
throw exceptions::configuration_exception(
sprint(
"Expecting exactly one regular column. Found %d",
regular_cols));
}
}
}
}
schema_builder& schema_builder::with_view_info(utils::UUID base_id, sstring base_name, bool include_all_columns, sstring where_clause) {
_view_info = raw_view_info(std::move(base_id), std::move(base_name), include_all_columns, std::move(where_clause));
return *this;
}
schema_builder& schema_builder::with_index(const index_metadata& im) {
_raw._indices_by_name.emplace(im.name(), im);
return *this;
}
schema_builder& schema_builder::without_index(const sstring& name) {
const auto& it = _raw._indices_by_name.find(name);
if (it != _raw._indices_by_name.end()) {
_raw._indices_by_name.erase(name);
}
return *this;
}
schema_builder& schema_builder::without_indexes() {
_raw._indices_by_name.clear();
return *this;
}
schema_ptr schema_builder::build() {
schema::raw_schema new_raw = _raw; // Copy so that build() remains idempotent.
if (_version) {
new_raw._version = *_version;
} else {
new_raw._version = utils::UUID_gen::get_time_UUID();
}
if (new_raw._is_counter) {
new_raw._default_validation_class = counter_type;
}
if (_compact_storage) {
// Dense means that no part of the comparator stores a CQL column name. This means
// COMPACT STORAGE with at least one columnAliases (otherwise it's a thrift "static" CF).
auto clustering_key_size = std::count_if(new_raw._columns.begin(), new_raw._columns.end(), [](auto&& col) {
return col.kind == column_kind::clustering_key;
});
new_raw._is_dense = (*_compact_storage == compact_storage::yes) && (clustering_key_size > 0);
if (clustering_key_size == 0) {
if (*_compact_storage == compact_storage::yes) {
new_raw._is_compound = false;
} else {
new_raw._is_compound = true;
}
} else {
if ((*_compact_storage == compact_storage::yes) && clustering_key_size == 1) {
new_raw._is_compound = false;
} else {
new_raw._is_compound = true;
}
}
}
prepare_dense_schema(new_raw);
return make_lw_shared<schema>(schema(new_raw, _view_info));
}
schema_ptr schema_builder::build(compact_storage cp) {
return with(cp).build();
}
// Useful functions to manipulate the schema's comparator field
namespace cell_comparator {
static constexpr auto _composite_str = "org.apache.cassandra.db.marshal.CompositeType";
static constexpr auto _collection_str = "org.apache.cassandra.db.marshal.ColumnToCollectionType";
static sstring compound_name(const schema& s) {
sstring compound(_composite_str);
compound += "(";
if (s.clustering_key_size()) {
for (auto &t : s.clustering_key_columns()) {
compound += t.type->name() + ",";
}
}
if (!s.is_dense()) {
compound += s.regular_column_name_type()->name() + ",";
}
if (!s.collections().empty()) {
compound += _collection_str;
compound += "(";
for (auto& c : s.collections()) {
auto ct = static_pointer_cast<const collection_type_impl>(c.second);
compound += sprint("%s:%s,", to_hex(c.first), ct->name());
}
compound.back() = ')';
compound += ",";
}
// last one will be a ',', just replace it.
compound.back() = ')';
return compound;
}
sstring to_sstring(const schema& s) {
if (s.is_compound()) {
return compound_name(s);
} else if (s.clustering_key_size() == 1) {
assert(s.is_dense() || s.is_static_compact_table());
return s.clustering_key_columns().front().type->name();
} else {
return s.regular_column_name_type()->name();
}
}
bool check_compound(sstring comparator) {
static sstring compound(_composite_str);
return comparator.compare(0, compound.size(), compound) == 0;
}
void read_collections(schema_builder& builder, sstring comparator)
{
// The format of collection entries in the comparator is:
// org.apache.cassandra.db.marshal.ColumnToCollectionType(<name1>:<type1>, ...)
auto find_closing_parenthesis = [] (sstring_view str, size_t start) {
auto pos = start;
auto nest_level = 0;
do {
pos = str.find_first_of("()", pos);
if (pos == sstring::npos) {
throw marshal_exception("read_collections - can't find any parentheses");
}
if (str[pos] == ')') {
nest_level--;
} else if (str[pos] == '(') {
nest_level++;
}
pos++;
} while (nest_level > 0);
return pos - 1;
};
auto collection_str_length = strlen(_collection_str);
auto pos = comparator.find(_collection_str);
if (pos == sstring::npos) {