-
Notifications
You must be signed in to change notification settings - Fork 3.9k
/
Copy pathshow_test.go
1135 lines (1043 loc) · 35 KB
/
show_test.go
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 2016 The Cockroach Authors.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0, included in the file
// licenses/APL.txt.
package sql_test
import (
"context"
gosql "database/sql"
"fmt"
"math"
"net/url"
"strings"
"testing"
"unicode/utf8"
"github.com/cockroachdb/cockroach/pkg/base"
"github.com/cockroachdb/cockroach/pkg/sql"
"github.com/cockroachdb/cockroach/pkg/sql/lexbase"
"github.com/cockroachdb/cockroach/pkg/sql/parser"
"github.com/cockroachdb/cockroach/pkg/sql/sem/catconstants"
"github.com/cockroachdb/cockroach/pkg/sql/sessiondata"
"github.com/cockroachdb/cockroach/pkg/sql/sqltestutils"
"github.com/cockroachdb/cockroach/pkg/sql/tests"
"github.com/cockroachdb/cockroach/pkg/testutils/serverutils"
"github.com/cockroachdb/cockroach/pkg/testutils/skip"
"github.com/cockroachdb/cockroach/pkg/testutils/sqlutils"
"github.com/cockroachdb/cockroach/pkg/util/leaktest"
"github.com/cockroachdb/cockroach/pkg/util/log"
"github.com/cockroachdb/errors"
"github.com/stretchr/testify/require"
)
func TestShowCreateTable(t *testing.T) {
defer leaktest.AfterTest(t)()
defer log.Scope(t).Close(t)
testCases := []sqltestutils.ShowCreateTableTestCase{
{
CreateStatement: `CREATE TABLE %s (
i INT8,
s STRING NULL,
v FLOAT NOT NULL,
t TIMESTAMP DEFAULT now():::TIMESTAMP,
CHECK (i > 0),
FAMILY "primary" (i, v, t, rowid),
FAMILY fam_1_s (s)
)`,
Expect: `CREATE TABLE public.%[1]s (
i INT8 NULL,
s STRING NULL,
v FLOAT8 NOT NULL,
t TIMESTAMP NULL DEFAULT now():::TIMESTAMP,
rowid INT8 NOT VISIBLE NOT NULL DEFAULT unique_rowid(),
CONSTRAINT %[1]s_pkey PRIMARY KEY (rowid ASC),
FAMILY "primary" (i, v, t, rowid),
FAMILY fam_1_s (s),
CONSTRAINT check_i CHECK (i > 0:::INT8)
)`,
},
{
CreateStatement: `CREATE TABLE %s (
i INT8 CHECK (i > 0),
s STRING NULL,
v FLOAT NOT NULL,
t TIMESTAMP DEFAULT now():::TIMESTAMP,
FAMILY "primary" (i, v, t, rowid),
FAMILY fam_1_s (s)
)`,
Expect: `CREATE TABLE public.%[1]s (
i INT8 NULL,
s STRING NULL,
v FLOAT8 NOT NULL,
t TIMESTAMP NULL DEFAULT now():::TIMESTAMP,
rowid INT8 NOT VISIBLE NOT NULL DEFAULT unique_rowid(),
CONSTRAINT %[1]s_pkey PRIMARY KEY (rowid ASC),
FAMILY "primary" (i, v, t, rowid),
FAMILY fam_1_s (s),
CONSTRAINT check_i CHECK (i > 0:::INT8)
)`,
},
{
CreateStatement: `CREATE TABLE %s (
i INT8 NULL,
s STRING NULL,
CONSTRAINT ck CHECK (i > 0),
FAMILY "primary" (i, rowid),
FAMILY fam_1_s (s)
)`,
Expect: `CREATE TABLE public.%[1]s (
i INT8 NULL,
s STRING NULL,
rowid INT8 NOT VISIBLE NOT NULL DEFAULT unique_rowid(),
CONSTRAINT %[1]s_pkey PRIMARY KEY (rowid ASC),
FAMILY "primary" (i, rowid),
FAMILY fam_1_s (s),
CONSTRAINT ck CHECK (i > 0:::INT8)
)`,
},
{
CreateStatement: `CREATE TABLE %s (
i INT8 PRIMARY KEY
)`,
Expect: `CREATE TABLE public.%[1]s (
i INT8 NOT NULL,
CONSTRAINT %[1]s_pkey PRIMARY KEY (i ASC)
)`,
},
{
CreateStatement: `
CREATE TABLE %s (i INT8, f FLOAT, s STRING, d DATE,
FAMILY "primary" (i, f, d, rowid),
FAMILY fam_1_s (s));
CREATE INDEX idx_if on %[1]s (f, i) STORING (s, d);
CREATE UNIQUE INDEX on %[1]s (d);
`,
Expect: `CREATE TABLE public.%[1]s (
i INT8 NULL,
f FLOAT8 NULL,
s STRING NULL,
d DATE NULL,
rowid INT8 NOT VISIBLE NOT NULL DEFAULT unique_rowid(),
CONSTRAINT %[1]s_pkey PRIMARY KEY (rowid ASC),
INDEX idx_if (f ASC, i ASC) STORING (s, d),
UNIQUE INDEX %[1]s_d_key (d ASC),
FAMILY "primary" (i, f, d, rowid),
FAMILY fam_1_s (s)
)`,
},
{
CreateStatement: `CREATE TABLE %s (
"te""st" INT8 NOT NULL,
CONSTRAINT "pri""mary" PRIMARY KEY ("te""st" ASC)
)`,
Expect: `CREATE TABLE public.%[1]s (
"te""st" INT8 NOT NULL,
CONSTRAINT "pri""mary" PRIMARY KEY ("te""st" ASC)
)`,
},
{
CreateStatement: `CREATE TABLE %s (
a int8,
b int8,
index c(a asc, b desc)
)`,
Expect: `CREATE TABLE public.%[1]s (
a INT8 NULL,
b INT8 NULL,
rowid INT8 NOT VISIBLE NOT NULL DEFAULT unique_rowid(),
CONSTRAINT %[1]s_pkey PRIMARY KEY (rowid ASC),
INDEX c (a ASC, b DESC)
)`,
},
{
CreateStatement: `CREATE TABLE %s (
pk int8 PRIMARY KEY
) WITH (ttl_expire_after = '10 minutes')`,
Expect: `CREATE TABLE public.%[1]s (
pk INT8 NOT NULL,
crdb_internal_expiration TIMESTAMPTZ NOT VISIBLE NOT NULL DEFAULT current_timestamp():::TIMESTAMPTZ + '00:10:00':::INTERVAL ON UPDATE current_timestamp():::TIMESTAMPTZ + '00:10:00':::INTERVAL,
CONSTRAINT %[1]s_pkey PRIMARY KEY (pk ASC)
) WITH (ttl = 'on', ttl_expire_after = '00:10:00':::INTERVAL, ttl_job_cron = '@hourly')`,
},
// Check that FK dependencies inside the current database
// have their db name omitted.
{
CreateStatement: `CREATE TABLE %s (
i int8,
j int8,
FOREIGN KEY (i, j) REFERENCES items (a, b),
k int REFERENCES items (c)
)`,
Expect: `CREATE TABLE public.%[1]s (
i INT8 NULL,
j INT8 NULL,
k INT8 NULL,
rowid INT8 NOT VISIBLE NOT NULL DEFAULT unique_rowid(),
CONSTRAINT %[1]s_pkey PRIMARY KEY (rowid ASC),
CONSTRAINT %[1]s_i_j_fkey FOREIGN KEY (i, j) REFERENCES public.items(a, b),
CONSTRAINT %[1]s_k_fkey FOREIGN KEY (k) REFERENCES public.items(c)
)`,
},
// Check that FK dependencies using MATCH FULL on a non-composite key still
// show
{
CreateStatement: `CREATE TABLE %s (
i int8,
j int8,
k int REFERENCES items (c) MATCH FULL,
FOREIGN KEY (i, j) REFERENCES items (a, b) MATCH FULL
)`,
Expect: `CREATE TABLE public.%[1]s (
i INT8 NULL,
j INT8 NULL,
k INT8 NULL,
rowid INT8 NOT VISIBLE NOT NULL DEFAULT unique_rowid(),
CONSTRAINT %[1]s_pkey PRIMARY KEY (rowid ASC),
CONSTRAINT %[1]s_i_j_fkey FOREIGN KEY (i, j) REFERENCES public.items(a, b) MATCH FULL,
CONSTRAINT %[1]s_k_fkey FOREIGN KEY (k) REFERENCES public.items(c) MATCH FULL
)`,
},
// Check that FK dependencies outside of the current database
// have their db name prefixed.
{
CreateStatement: `CREATE TABLE %s (
x INT8,
CONSTRAINT fk_ref FOREIGN KEY (x) REFERENCES o.foo (x)
)`,
Expect: `CREATE TABLE public.%[1]s (
x INT8 NULL,
rowid INT8 NOT VISIBLE NOT NULL DEFAULT unique_rowid(),
CONSTRAINT %[1]s_pkey PRIMARY KEY (rowid ASC),
CONSTRAINT fk_ref FOREIGN KEY (x) REFERENCES o.public.foo(x)
)`,
},
// Check that FK dependencies using SET NULL or SET DEFAULT
// are pretty-printed properly. Regression test for #32529.
{
CreateStatement: `CREATE TABLE %s (
i int8 DEFAULT 123,
j int8 DEFAULT 123,
FOREIGN KEY (i, j) REFERENCES items (a, b) ON DELETE SET DEFAULT,
k int8 REFERENCES items (c) ON DELETE SET NULL
)`,
Expect: `CREATE TABLE public.%[1]s (
i INT8 NULL DEFAULT 123:::INT8,
j INT8 NULL DEFAULT 123:::INT8,
k INT8 NULL,
rowid INT8 NOT VISIBLE NOT NULL DEFAULT unique_rowid(),
CONSTRAINT %[1]s_pkey PRIMARY KEY (rowid ASC),
CONSTRAINT %[1]s_i_j_fkey FOREIGN KEY (i, j) REFERENCES public.items(a, b) ON DELETE SET DEFAULT,
CONSTRAINT %[1]s_k_fkey FOREIGN KEY (k) REFERENCES public.items(c) ON DELETE SET NULL
)`,
},
// Check that FK dependencies using MATCH FULL and MATCH SIMPLE are both
// pretty-printed properly.
{
CreateStatement: `CREATE TABLE %s (
i int DEFAULT 1,
j int DEFAULT 2,
k int DEFAULT 3,
l int DEFAULT 4,
FOREIGN KEY (i, j) REFERENCES items (a, b) MATCH SIMPLE ON DELETE SET DEFAULT,
FOREIGN KEY (k, l) REFERENCES items (a, b) MATCH FULL ON UPDATE CASCADE
)`,
Expect: `CREATE TABLE public.%[1]s (
i INT8 NULL DEFAULT 1:::INT8,
j INT8 NULL DEFAULT 2:::INT8,
k INT8 NULL DEFAULT 3:::INT8,
l INT8 NULL DEFAULT 4:::INT8,
rowid INT8 NOT VISIBLE NOT NULL DEFAULT unique_rowid(),
CONSTRAINT %[1]s_pkey PRIMARY KEY (rowid ASC),
CONSTRAINT %[1]s_i_j_fkey FOREIGN KEY (i, j) REFERENCES public.items(a, b) ON DELETE SET DEFAULT,
CONSTRAINT %[1]s_k_l_fkey FOREIGN KEY (k, l) REFERENCES public.items(a, b) MATCH FULL ON UPDATE CASCADE
)`,
},
// Check hash sharded indexes are round trippable.
{
CreateStatement: `CREATE TABLE %s (
a INT,
INDEX (a) USING HASH WITH (bucket_count=8)
)`,
Expect: `CREATE TABLE public.%[1]s (
a INT8 NULL,
crdb_internal_a_shard_8 INT8 NOT VISIBLE NOT NULL AS (mod(fnv32(crdb_internal.datums_to_bytes(a)), 8:::INT8)) VIRTUAL,
rowid INT8 NOT VISIBLE NOT NULL DEFAULT unique_rowid(),
CONSTRAINT %[1]s_pkey PRIMARY KEY (rowid ASC),
INDEX %[1]s_a_idx (a ASC) USING HASH WITH (bucket_count=8)
)`,
},
// Check trigram inverted indexes.
{
CreateStatement: `CREATE TABLE %s (
id INT PRIMARY KEY,
a TEXT,
INVERTED INDEX (a gin_trgm_ops)
)`,
Expect: `CREATE TABLE public.%[1]s (
id INT8 NOT NULL,
a STRING NULL,
CONSTRAINT %[1]s_pkey PRIMARY KEY (id ASC),
INVERTED INDEX %[1]s_a_idx (a gin_trgm_ops)
)`,
},
}
sqltestutils.ShowCreateTableTest(t, "" /* extraQuerySetup */, testCases)
}
func TestShowCreateView(t *testing.T) {
defer leaktest.AfterTest(t)()
defer log.Scope(t).Close(t)
params, _ := tests.CreateTestServerParams()
s, sqlDB, _ := serverutils.StartServer(t, params)
defer s.Stopper().Stop(context.Background())
if _, err := sqlDB.Exec(`
CREATE DATABASE d;
SET DATABASE = d;
CREATE TABLE t (i INT, s STRING NULL, v FLOAT NOT NULL, t TIMESTAMP DEFAULT now());
`); err != nil {
t.Fatal(err)
}
tests := []struct {
create string
expected string
}{
{
`CREATE VIEW %s AS SELECT i, s, v, t FROM t`,
"CREATE VIEW public.%s (\n\ti,\n\ts,\n\tv,\n\tt\n) AS SELECT i, s, v, t FROM d.public.t",
},
{
`CREATE VIEW %s AS SELECT i, s, t FROM t`,
"CREATE VIEW public.%s (\n\ti,\n\ts,\n\tt\n) AS SELECT i, s, t FROM d.public.t",
},
{
`CREATE VIEW %s AS SELECT t.i, t.s, t.t FROM t`,
"CREATE VIEW public.%s (\n\ti,\n\ts,\n\tt\n) AS SELECT t.i, t.s, t.t FROM d.public.t",
},
{
`CREATE VIEW %s AS SELECT foo.i, foo.s, foo.t FROM t AS foo WHERE foo.i > 3`,
"CREATE VIEW public.%s (\n\ti,\n\ts,\n\tt\n) AS " +
"SELECT foo.i, foo.s, foo.t FROM d.public.t AS foo WHERE foo.i > 3",
},
{
`CREATE VIEW %s AS SELECT count(*) FROM t`,
"CREATE VIEW public.%s (\n\tcount\n) AS SELECT count(*) FROM d.public.t",
},
{
`CREATE VIEW %s AS SELECT s, count(*) FROM t GROUP BY s HAVING count(*) > 3:::INT8`,
"CREATE VIEW public.%s (\n\ts,\n\tcount\n) AS " +
"SELECT s, count(*) FROM d.public.t GROUP BY s HAVING count(*) > 3:::INT8",
},
{
`CREATE VIEW %s (a, b, c, d) AS SELECT i, s, v, t FROM t`,
"CREATE VIEW public.%s (\n\ta,\n\tb,\n\tc,\n\td\n) AS SELECT i, s, v, t FROM d.public.t",
},
{
`CREATE VIEW %s (a, b) AS SELECT i, v FROM t`,
"CREATE VIEW public.%s (\n\ta,\n\tb\n) AS SELECT i, v FROM d.public.t",
},
}
for i, test := range tests {
t.Run(fmt.Sprint(i), func(t *testing.T) {
name := fmt.Sprintf("t%d", i)
stmt := fmt.Sprintf(test.create, name)
expect := fmt.Sprintf(test.expected, name)
if _, err := sqlDB.Exec(stmt); err != nil {
t.Fatal(err)
}
row := sqlDB.QueryRow(fmt.Sprintf("SHOW CREATE VIEW %s", name))
var scanName, create string
if err := row.Scan(&scanName, &create); err != nil {
t.Fatal(err)
}
if scanName != name {
t.Fatalf("expected view name %s, got %s", name, scanName)
}
if create != expect {
t.Fatalf("statement: %s\ngot: %s\nexpected: %s", stmt, create, expect)
}
if _, err := sqlDB.Exec(fmt.Sprintf("DROP VIEW %s", name)); err != nil {
t.Fatal(err)
}
// Re-insert to make sure it's round-trippable.
name += "_2"
expect = fmt.Sprintf(test.expected, name)
if _, err := sqlDB.Exec(expect); err != nil {
t.Fatalf("reinsert failure: %s: %s", expect, err)
}
row = sqlDB.QueryRow(fmt.Sprintf("SHOW CREATE VIEW %s", name))
if err := row.Scan(&scanName, &create); err != nil {
t.Fatal(err)
}
if create != expect {
t.Fatalf("round trip statement: %s\ngot: %s", expect, create)
}
if _, err := sqlDB.Exec(fmt.Sprintf("DROP VIEW %s", name)); err != nil {
t.Fatal(err)
}
})
}
}
func TestShowCreateSequence(t *testing.T) {
defer leaktest.AfterTest(t)()
defer log.Scope(t).Close(t)
params, _ := tests.CreateTestServerParams()
s, sqlDB, _ := serverutils.StartServer(t, params)
defer s.Stopper().Stop(context.Background())
if _, err := sqlDB.Exec(`
CREATE DATABASE d;
SET DATABASE = d;
`); err != nil {
t.Fatal(err)
}
tests := []struct {
create string
expected string
}{
{
`CREATE SEQUENCE %s`,
`CREATE SEQUENCE public.%s MINVALUE 1 MAXVALUE 9223372036854775807 INCREMENT 1 START 1`,
},
{
`CREATE SEQUENCE %s INCREMENT BY 5`,
`CREATE SEQUENCE public.%s MINVALUE 1 MAXVALUE 9223372036854775807 INCREMENT 5 START 1`,
},
{
`CREATE SEQUENCE %s START WITH 5`,
`CREATE SEQUENCE public.%s MINVALUE 1 MAXVALUE 9223372036854775807 INCREMENT 1 START 5`,
},
{
`CREATE SEQUENCE %s INCREMENT 5 MAXVALUE 10000 START 10 MINVALUE 0`,
`CREATE SEQUENCE public.%s MINVALUE 0 MAXVALUE 10000 INCREMENT 5 START 10`,
},
{
`CREATE SEQUENCE %s INCREMENT 5 MAXVALUE 10000 START 10 MINVALUE 0 CACHE 1`,
`CREATE SEQUENCE public.%s MINVALUE 0 MAXVALUE 10000 INCREMENT 5 START 10`,
},
{
`CREATE SEQUENCE %s INCREMENT 5 MAXVALUE 10000 START 10 MINVALUE 0 CACHE 10`,
`CREATE SEQUENCE public.%s MINVALUE 0 MAXVALUE 10000 INCREMENT 5 START 10 CACHE 10`,
},
{
`CREATE SEQUENCE %s AS smallint`,
`CREATE SEQUENCE public.%s AS INT2 MINVALUE 1 MAXVALUE 32767 INCREMENT 1 START 1`,
},
{
`CREATE SEQUENCE %s AS int2`,
`CREATE SEQUENCE public.%s AS INT2 MINVALUE 1 MAXVALUE 32767 INCREMENT 1 START 1`,
},
// Int type is determined by `default_int_size` in cluster settings. Default is int8.
{
`CREATE SEQUENCE %s AS int`,
`CREATE SEQUENCE public.%s AS INT8 MINVALUE 1 MAXVALUE 9223372036854775807 INCREMENT 1 START 1`,
},
{
`CREATE SEQUENCE %s AS bigint`,
`CREATE SEQUENCE public.%s AS INT8 MINVALUE 1 MAXVALUE 9223372036854775807 INCREMENT 1 START 1`,
},
// Override int/bigint's max value with user configured max value.
{
`CREATE SEQUENCE %s AS integer MINVALUE -5 MAXVALUE 9001`,
`CREATE SEQUENCE public.%s AS INT8 MINVALUE -5 MAXVALUE 9001 INCREMENT 1 START -5`,
},
{
`
CREATE SEQUENCE %s AS integer
START WITH -20000
INCREMENT BY -1
MINVALUE -20000
MAXVALUE 0
CACHE 1;`,
`CREATE SEQUENCE public.%s AS INT8 MINVALUE -20000 MAXVALUE 0 INCREMENT -1 START -20000`,
},
}
for i, test := range tests {
t.Run(fmt.Sprint(i), func(t *testing.T) {
name := fmt.Sprintf("t%d", i)
stmt := fmt.Sprintf(test.create, name)
expect := fmt.Sprintf(test.expected, name)
if _, err := sqlDB.Exec(stmt); err != nil {
t.Fatal(err)
}
row := sqlDB.QueryRow(fmt.Sprintf("SHOW CREATE SEQUENCE %s", name))
var scanName, create string
if err := row.Scan(&scanName, &create); err != nil {
t.Fatal(err)
}
if scanName != name {
t.Fatalf("expected view name %s, got %s", name, scanName)
}
if create != expect {
t.Fatalf("statement: %s\ngot: %s\nexpected: %s", stmt, create, expect)
}
if _, err := sqlDB.Exec(fmt.Sprintf("DROP SEQUENCE %s", name)); err != nil {
t.Fatal(err)
}
// Re-insert to make sure it's round-trippable.
name += "_2"
expect = fmt.Sprintf(test.expected, name)
if _, err := sqlDB.Exec(expect); err != nil {
t.Fatalf("reinsert failure: %s: %s", expect, err)
}
row = sqlDB.QueryRow(fmt.Sprintf("SHOW CREATE SEQUENCE %s", name))
if err := row.Scan(&scanName, &create); err != nil {
t.Fatal(err)
}
if create != expect {
t.Fatalf("round trip statement: %s\ngot: %s", expect, create)
}
if _, err := sqlDB.Exec(fmt.Sprintf("DROP SEQUENCE %s", name)); err != nil {
t.Fatal(err)
}
})
}
}
func TestShowQueries(t *testing.T) {
defer leaktest.AfterTest(t)()
defer log.Scope(t).Close(t)
const multiByte = "💩"
const selectBase = "SELECT * FROM "
maxLen := sql.MaxSQLBytes - utf8.RuneLen('…')
// Craft a statement that would naively be truncated mid-rune.
tableName := strings.Repeat("a", maxLen-len(selectBase)-(len(multiByte)-1)) + multiByte
// Push the total length over the truncation threshold.
tableName += strings.Repeat("a", sql.MaxSQLBytes-len(tableName)+1)
selectStmt := selectBase + tableName
if r, _ := utf8.DecodeLastRuneInString(selectStmt[:maxLen]); r != utf8.RuneError {
t.Fatalf("expected naive truncation to produce invalid utf8, got %c", r)
}
expectedSelectStmt := selectStmt
for i := range expectedSelectStmt {
if i > maxLen {
_, prevLen := utf8.DecodeLastRuneInString(expectedSelectStmt[:i])
expectedSelectStmt = expectedSelectStmt[:i-prevLen]
break
}
}
expectedSelectStmt = expectedSelectStmt + "…"
var conn1 *gosql.DB
var conn2 *gosql.DB
execKnobs := &sql.ExecutorTestingKnobs{}
found := false
var failure error
execKnobs.StatementFilter = func(ctx context.Context, _ *sessiondata.SessionData, stmt string, err error) {
if stmt == selectStmt {
found = true
const showQuery = "SELECT node_id, (now() - start)::FLOAT8, query FROM [SHOW CLUSTER QUERIES]"
rows, err := conn1.Query(showQuery)
if err != nil {
t.Fatal(err)
}
defer rows.Close()
var stmts []string
for rows.Next() {
var nodeID int
var stmt string
var delta float64
if err := rows.Scan(&nodeID, &delta, &stmt); err != nil {
failure = err
return
}
stmts = append(stmts, stmt)
if nodeID < 1 || nodeID > 2 {
failure = fmt.Errorf("invalid node ID: %d", nodeID)
return
}
// The delta measures how long ago or in the future (in
// seconds) the start time is. It must be
// "close to now", otherwise we have a problem with the time
// accounting.
if math.Abs(delta) > 10 {
failure = fmt.Errorf("start time too far in the past or the future: expected <10s, got %.3fs", delta)
return
}
}
if err := rows.Err(); err != nil {
failure = err
return
}
foundSelect := false
for _, stmt := range stmts {
if stmt == expectedSelectStmt {
foundSelect = true
}
}
if !foundSelect {
failure = fmt.Errorf("original query not found in SHOW QUERIES. expected: %s\nactual: %v", selectStmt, stmts)
}
}
}
tc := serverutils.StartNewTestCluster(t, 2, /* numNodes */
base.TestClusterArgs{
ReplicationMode: base.ReplicationManual,
ServerArgs: base.TestServerArgs{
UseDatabase: "test",
Knobs: base.TestingKnobs{
SQLExecutor: execKnobs,
},
},
})
defer tc.Stopper().Stop(context.Background())
conn1 = tc.ServerConn(0)
conn2 = tc.ServerConn(1)
sqlutils.CreateTable(t, conn1, tableName, "num INT", 0, nil)
if _, err := conn2.Exec(selectStmt); err != nil {
t.Fatal(err)
}
if failure != nil {
t.Fatal(failure)
}
if !found {
t.Fatalf("knob did not activate in test")
}
// Now check the behavior on error.
tc.StopServer(1)
rows, err := conn1.Query(`SELECT node_id, query FROM [SHOW ALL CLUSTER QUERIES]`)
if err != nil {
t.Fatal(err)
}
defer rows.Close()
count := 0
errcount := 0
for rows.Next() {
count++
var nodeID int
var sql string
if err := rows.Scan(&nodeID, &sql); err != nil {
t.Fatal(err)
}
t.Log(sql)
if strings.HasPrefix(sql, "-- failed") || strings.HasPrefix(sql, "-- error") {
errcount++
}
}
if err := rows.Err(); err != nil {
t.Fatal(err)
}
if errcount != 1 {
t.Fatalf("expected 1 error row, got %d", errcount)
}
}
func TestShowQueriesFillsInValuesForPlaceholders(t *testing.T) {
defer leaktest.AfterTest(t)()
defer log.Scope(t).Close(t)
const applicationName = "application"
var applicationConnection *gosql.DB
var operatorConnection *gosql.DB
recordedQueries := make(map[string]string)
testServerArgs := base.TestServerArgs{
Knobs: base.TestingKnobs{
SQLExecutor: &sql.ExecutorTestingKnobs{
// Record the results of SHOW QUERIES for each statement run on the applicationConnection,
// so that we can make assertions on them below.
StatementFilter: func(ctx context.Context, session *sessiondata.SessionData, stmt string, err error) {
// Only observe queries when we're in an application session,
// to limit concurrent access to the recordedQueries map.
if session.ApplicationName == applicationName {
// Only select queries run by the test application itself,
// so that we filter out the SELECT query FROM [SHOW QUERIES] statement.
// (It's the "grep shows up in `ps | grep foo`" problem.)
// And we can assume that there will be only one result row because we do not run
// the below test cases in parallel.
row := operatorConnection.QueryRow(
"SELECT query FROM [SHOW QUERIES] WHERE application_name = $1", applicationName,
)
var query string
err := row.Scan(&query)
if err != nil {
t.Fatal(err)
}
recordedQueries[stmt] = query
}
},
},
},
}
tc := serverutils.StartNewTestCluster(t, 3,
base.TestClusterArgs{
ReplicationMode: base.ReplicationManual,
ServerArgs: testServerArgs,
},
)
defer tc.Stopper().Stop(context.Background())
applicationConnection = tc.ServerConn(0)
operatorConnection = tc.ServerConn(1)
// Mark all queries on this connection as coming from the application,
// so we can identify them in our filter above.
_, err := applicationConnection.Exec("SET application_name TO $1", applicationName)
if err != nil {
t.Fatal(err)
}
// For a given statement-with-placeholders and its arguments, how should it look in SHOW QUERIES?
testCases := []struct {
statement string
args []interface{}
expected string
}{
{
"SELECT upper($1)",
[]interface{}{"hello"},
"SELECT upper('hello')",
},
{
"SELECT /* test */ upper($1)",
[]interface{}{"hello"},
"SELECT upper('hello') /* test */",
},
{
"SELECT /* test */ 'hi'::string",
[]interface{}{},
"SELECT 'hi'::STRING /* test */",
},
}
// Perform both as a simple execution and as a prepared statement,
// to make sure we're exercising both code paths.
queryExecutionMethods := []struct {
label string
exec func(*gosql.DB, string, ...interface{}) (gosql.Result, error)
}{
{
"Exec",
func(conn *gosql.DB, statement string, args ...interface{}) (gosql.Result, error) {
return conn.Exec(statement, args...)
},
}, {
"PrepareAndExec",
func(conn *gosql.DB, statement string, args ...interface{}) (gosql.Result, error) {
stmt, err := conn.Prepare(statement)
if err != nil {
return nil, err
}
defer stmt.Close()
return stmt.Exec(args...)
},
},
}
for _, method := range queryExecutionMethods {
for _, test := range testCases {
t.Run(fmt.Sprintf("%v/%v", method.label, test.statement), func(t *testing.T) {
_, err := method.exec(applicationConnection, test.statement, test.args...)
if err != nil {
t.Fatal(err)
}
// parse and stringify the statement so that it matches the key in the
// recordedQueries map.
stmt, err := parser.ParseOne(test.statement)
if err != nil {
t.Fatal(err)
}
sql := stmt.AST.String()
require.Equal(t, test.expected, recordedQueries[sql])
})
}
}
}
func TestShowSessions(t *testing.T) {
defer leaktest.AfterTest(t)()
defer log.Scope(t).Close(t)
var conn *gosql.DB
tc := serverutils.StartNewTestCluster(t, 2 /* numNodes */, base.TestClusterArgs{})
defer tc.Stopper().Stop(context.Background())
conn = tc.ServerConn(0)
sqlutils.CreateTable(t, conn, "t", "num INT", 0, nil)
// We'll skip "internal" sessions, as those are unpredictable.
var showSessions = fmt.Sprintf(`
select node_id, (now() - session_start)::float from
[show cluster sessions] where application_name not like '%s%%'
`, catconstants.InternalAppNamePrefix)
rows, err := conn.Query(showSessions)
if err != nil {
t.Fatal(err)
}
defer rows.Close()
count := 0
for rows.Next() {
count++
var nodeID int
var delta float64
if err := rows.Scan(&nodeID, &delta); err != nil {
t.Fatal(err)
}
if nodeID < 1 || nodeID > 2 {
t.Fatalf("invalid node ID: %d", nodeID)
}
// The delta measures how long ago or in the future (in seconds) the start
// time is. It must be "close to now", otherwise we have a problem with the
// time accounting.
if math.Abs(delta) > 10 {
t.Fatalf("start time too far in the past or the future: expected <10s, got %.3fs", delta)
}
}
if err := rows.Err(); err != nil {
t.Fatal(err)
}
if expectedCount := 1; count != expectedCount {
// Print the sessions to aid debugging.
report, err := func() (string, error) {
result := "Active sessions (results might have changed since the test checked):\n"
rows, err = conn.Query(`
select active_queries, last_active_query, application_name
from [show cluster sessions]`)
if err != nil {
return "", err
}
var q, lq, name string
for rows.Next() {
if err := rows.Scan(&q, &lq, &name); err != nil {
return "", err
}
result += fmt.Sprintf("app: %q, query: %q, last query: %s",
name, q, lq)
}
if err := rows.Close(); err != nil {
return "", err
}
return result, nil
}()
if err != nil {
report = fmt.Sprintf("failed to generate report: %s", err)
}
t.Fatalf("unexpected number of running sessions: %d, expected %d.\n%s",
count, expectedCount, report)
}
// Now check the behavior on error.
tc.StopServer(1)
rows, err = conn.Query(`SELECT node_id, active_queries FROM [SHOW ALL CLUSTER SESSIONS]`)
if err != nil {
t.Fatal(err)
}
defer rows.Close()
count = 0
errcount := 0
for rows.Next() {
count++
var nodeID int
var sql string
if err := rows.Scan(&nodeID, &sql); err != nil {
t.Fatal(err)
}
t.Log(sql)
if strings.HasPrefix(sql, "-- failed") || strings.HasPrefix(sql, "-- error") {
errcount++
}
}
if err := rows.Err(); err != nil {
t.Fatal(err)
}
if errcount != 1 {
t.Fatalf("expected 1 error row, got %d", errcount)
}
}
func TestShowSessionPrivileges(t *testing.T) {
defer leaktest.AfterTest(t)()
defer log.Scope(t).Close(t)
params, _ := tests.CreateTestServerParams()
params.Insecure = true
s, rawSQLDBroot, _ := serverutils.StartServer(t, params)
sqlDBroot := sqlutils.MakeSQLRunner(rawSQLDBroot)
defer s.Stopper().Stop(context.Background())
// Create four users: one with no special permissions, one with the
// VIEWACTIVITY role option, one with VIEWACTIVITYREDACTED option,
// and one admin. We'll check that the VIEWACTIVITY, VIEWACTIVITYREDACTED
// users and the admin can see all sessions and the unpermissioned user can
// only see their own session.
_ = sqlDBroot.Exec(t, `CREATE USER noperms`)
_ = sqlDBroot.Exec(t, `CREATE USER viewactivity VIEWACTIVITY`)
_ = sqlDBroot.Exec(t, `CREATE USER viewactivityredacted VIEWACTIVITYREDACTED`)
_ = sqlDBroot.Exec(t, `CREATE USER adminuser`)
_ = sqlDBroot.Exec(t, `GRANT admin TO adminuser`)
type user struct {
username string
canViewOtherSessions bool
sqlRunner *sqlutils.SQLRunner
}
users := []user{
{"noperms", false, nil},
{"viewactivity", true, nil},
{"viewactivityredacted", true, nil},
{"adminuser", true, nil},
}
for i, tc := range users {
pgURL := url.URL{
Scheme: "postgres",
User: url.User(tc.username),
Host: s.ServingSQLAddr(),
RawQuery: "sslmode=disable",
}
db, err := gosql.Open("postgres", pgURL.String())
if err != nil {
t.Fatal(err)
}
defer db.Close()
users[i].sqlRunner = sqlutils.MakeSQLRunner(db)
// Ensure the session is open.
users[i].sqlRunner.Exec(t, `SELECT version()`)
}
for _, u := range users {
t.Run(u.username, func(t *testing.T) {
rows := u.sqlRunner.Query(t, `SELECT user_name FROM [SHOW CLUSTER SESSIONS]`)
defer rows.Close()
counts := map[string]int{}
for rows.Next() {
var userName string
if err := rows.Scan(&userName); err != nil {
t.Fatal(err)
}
counts[userName]++
}
if err := rows.Err(); err != nil {
t.Fatal(err)
}
for _, u2 := range users {
if u.canViewOtherSessions || u.username == u2.username {
if counts[u2.username] == 0 {
t.Fatalf(
"%s session is unable to see %s session: %+v", u.username, u2.username, counts)
}
} else if counts[u2.username] > 0 {
t.Fatalf(
"%s session should not be able to see %s session: %+v", u.username, u2.username, counts)
}
}
})
}
}
func TestLintClusterSettingNames(t *testing.T) {
defer leaktest.AfterTest(t)()
defer log.Scope(t).Close(t)
skip.UnderRace(t, "lint only test")
skip.UnderDeadlock(t, "lint only test")
skip.UnderStress(t, "lint only test")
params, _ := tests.CreateTestServerParams()
s, sqlDB, _ := serverutils.StartServer(t, params)
defer s.Stopper().Stop(context.Background())
rows, err := sqlDB.Query(`SELECT variable, setting_type, description FROM [SHOW ALL CLUSTER SETTINGS]`)
if err != nil {
t.Fatal(err)
}
defer rows.Close()
for rows.Next() {
var varName, sType, desc string
if err := rows.Scan(&varName, &sType, &desc); err != nil {