-
Notifications
You must be signed in to change notification settings - Fork 26
Expand file tree
/
Copy pathsystem_mysql.go
More file actions
780 lines (706 loc) · 21.1 KB
/
Copy pathsystem_mysql.go
File metadata and controls
780 lines (706 loc) · 21.1 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
package main
import (
"database/sql"
"errors"
"fmt"
"strings"
"time"
"github.com/go-sql-driver/mysql"
)
type Mysql struct {
Name string
Connection *sql.DB
}
func (system Mysql) getSystemName() (name string) {
return system.Name
}
func newMysql(connectionInfo ConnectionInfo) (mysql Mysql, err error) {
db, err := openConnectionPool(connectionInfo.Name, connectionInfo.ConnectionString, DriverMySQL)
if err != nil {
return mysql, fmt.Errorf("error opening mysql db :: %v", err)
}
mysql.Connection = db
mysql.Name = connectionInfo.Name
return mysql, nil
}
func (system Mysql) closeConnectionPool(printError bool) (err error) {
err = system.Connection.Close()
if err != nil && printError {
errorLog.Printf("error closing %v connection pool :: %v", system.Name, err)
}
return err
}
func (system Mysql) query(query string) (rows *sql.Rows, err error) {
rows, err = system.Connection.Query(query)
if err != nil {
return nil, fmt.Errorf("error running dql on %v :: %v :: %v", system.Name, query, err)
}
return rows, nil
}
func (system Mysql) queryRow(query string) (row *sql.Row) {
row = system.Connection.QueryRow(query)
return row
}
func (system Mysql) exec(query string) (err error) {
_, err = system.Connection.Exec(query)
if err != nil {
return fmt.Errorf("error running ddl/dml on %v :: %v :: %v", system.Name, query, err)
}
return nil
}
func (system Mysql) dropTableIfExistsOverride(schema, table string) (overridden bool, err error) {
return false, nil
}
func (system Mysql) createTableIfNotExistsOverride(schema, table string, columnInfos []ColumnInfo, incremental bool) (overridden bool, err error) {
return false, nil
}
func (system Mysql) driverTypeToPipeType(
columnType *sql.ColumnType,
databaseTypeName string,
) (
pipeType string,
err error,
) {
switch databaseTypeName {
case "VARCHAR":
return "nvarchar", nil
case "CHAR":
return "nvarchar", nil
case "TEXT":
return "ntext", nil
case "UNSIGNED BIGINT":
return "int64", nil
case "BIGINT":
return "int64", nil
case "UNSIGNED INT":
return "int64", nil
case "INT":
return "int32", nil
case "MEDIUMINT":
return "int32", nil
case "UNSIGNED SMALLINT":
return "int32", nil
case "YEAR":
return "int16", nil
case "SMALLINT":
return "int16", nil
case "UNSIGNED TINYINT":
return "int16", nil
case "TINYINT":
return "int16", nil
case "DOUBLE":
return "float64", nil
case "FLOAT":
return "float32", nil
case "DECIMAL":
return "decimal", nil
case "DATETIME":
return "datetime", nil
case "TIMESTAMP":
return "datetimetz", nil
case "DATE":
return "date", nil
case "TIME":
return "time", nil
case "BINARY":
return "blob", nil
case "VARBINARY":
return "blob", nil
case "BLOB":
return "blob", nil
case "JSON":
return "json", nil
case "BIT":
return "varbit", nil
case "GEOMETRY":
return "blob", nil
default:
return "", fmt.Errorf("unsupported database type for mysql: %v", databaseTypeName)
}
}
func (system Mysql) pipeTypeToCreateType(columnInfo ColumnInfo) (createType string, err error) {
switch columnInfo.PipeType {
case "nvarchar":
return "longtext", nil
case "varchar":
return "longtext", nil
case "ntext":
return "longtext", nil
case "text":
return "longtext", nil
case "int64":
return "bigint", nil
case "int32":
return "integer", nil
case "int16":
return "smallint", nil
case "float64":
return "double", nil
case "float32":
return "float", nil
case "decimal":
scaleOk := false
precisionOk := false
if columnInfo.DecimalOk {
if columnInfo.Scale > 0 && columnInfo.Scale <= 65 {
scaleOk = true
}
if columnInfo.Precision > 0 &&
columnInfo.Precision <= 65 &&
columnInfo.Precision > columnInfo.Scale {
precisionOk = true
}
}
if scaleOk && precisionOk {
return fmt.Sprintf("decimal(%v,%v)", columnInfo.Precision, columnInfo.Scale), nil
} else {
return "double", nil
}
case "money":
if columnInfo.DecimalOk {
if columnInfo.Precision > 65 {
return "", fmt.Errorf("precision on column %v is greater than 65", columnInfo.Name)
}
if columnInfo.Scale > 30 {
return "", fmt.Errorf("scale on column %v is greater than 30", columnInfo.Name)
}
return fmt.Sprintf("decimal(%v,%v)", columnInfo.Precision, columnInfo.Scale), nil
}
return "float", nil
case "datetime":
return "datetime", nil
case "datetimetz":
return "datetime", nil
case "date":
return "date", nil
case "time":
return "time", nil
case "varbinary":
return "blob", nil
case "blob":
return "blob", nil
case "uuid":
return "binary(16)", nil
case "bool":
return "tinyint(1)", nil
case "json":
return "json", nil
case "xml":
return "longtext", nil
case "varbit":
return "longtext", nil
default:
return "", fmt.Errorf("unsupported pipeType for mysql: %v", columnInfo.PipeType)
}
}
func (system Mysql) createPipeFilesOverride(pipeFileChannelIn chan PipeFileInfo, columnInfo []ColumnInfo, transfer Transfer, rows *sql.Rows,
) (pipeFileInfoChannel chan PipeFileInfo, overridden bool) {
return pipeFileChannelIn, false
}
func (system Mysql) getPipeFileFormatters() (
pipeFileFormatters map[string]func(interface{}) (pipeFileValue string, err error),
) {
pipeFileFormatters = map[string]func(interface{}) (pipeFileValue string, err error){
"nvarchar": func(v interface{}) (pipeFileValue string, err error) {
return fmt.Sprintf("%s", v), nil
},
"varchar": func(v interface{}) (pipeFileValue string, err error) {
return fmt.Sprintf("%s", v), nil
},
"ntext": func(v interface{}) (pipeFileValue string, err error) {
return fmt.Sprintf("%s", v), nil
},
"text": func(v interface{}) (pipeFileValue string, err error) {
return fmt.Sprintf("%s", v), nil
},
"int64": func(v interface{}) (pipeFileValue string, err error) {
valBytes, ok := v.([]byte)
if !ok {
return "", errors.New("non []uint8 value passed to int64 mysqlPipeFileFormatter")
}
return string(valBytes), nil
},
"int32": func(v interface{}) (pipeFileValue string, err error) {
valBytes, ok := v.([]byte)
if !ok {
return "", errors.New("non []uint8 value passed to int32 mysqlPipeFileFormatter")
}
return string(valBytes), nil
},
"int16": func(v interface{}) (pipeFileValue string, err error) {
valBytes, ok := v.([]byte)
if !ok {
return "", errors.New("non []uint8 value passed to int16 mysqlPipeFileFormatter")
}
return string(valBytes), nil
},
"float64": func(v interface{}) (pipeFileValue string, err error) {
valBytes, ok := v.([]byte)
if !ok {
return "", errors.New("non []uint8 value passed to float64 mysqlPipeFileFormatter")
}
return string(valBytes), nil
},
"float32": func(v interface{}) (pipeFileValue string, err error) {
valBytes, ok := v.([]byte)
if !ok {
return "", errors.New("non []uint8 value passed to float32 mysqlPipeFileFormatter")
}
return string(valBytes), nil
},
"decimal": func(v interface{}) (pipeFileValue string, err error) {
return fmt.Sprintf("%s", v), nil
},
"money": func(v interface{}) (pipeFileValue string, err error) {
return fmt.Sprintf("%s", v), nil
},
"datetime": func(v interface{}) (pipeFileValue string, err error) {
valTime, ok := v.(time.Time)
if !ok {
return "", errors.New(
"non time.Time value passed to datetime mysqlPipeFileFormatters")
}
return valTime.Format(time.RFC3339Nano), nil
},
"datetimetz": func(v interface{}) (pipeFileValue string, err error) {
valTime, ok := v.(time.Time)
if !ok {
return "", errors.New(
"non time.Time value passed to datetime mysqlPipeFileFormatters")
}
return valTime.UTC().Format(time.RFC3339Nano), nil
},
"date": func(v interface{}) (pipeFileValue string, err error) {
valTime, ok := v.(time.Time)
if !ok {
return "", errors.New(
"non time.Time value passed to datetime mysqlPipeFileFormatters")
}
return valTime.Format(time.RFC3339Nano), nil
},
"time": func(v interface{}) (pipeFileValue string, err error) {
valBytes, ok := v.([]byte)
if !ok {
return "", errors.New("non []uint8 value passed to time mysqlPipeFileFormatter")
}
valTime, err := time.Parse("15:04:05.999999", string(valBytes))
if err != nil {
return "", fmt.Errorf(
"error parsing time value in mysqlPipeFileFormatter :: %v", err)
}
return valTime.Format(time.RFC3339Nano), nil
},
"varbinary": func(v interface{}) (pipeFileValue string, err error) {
return fmt.Sprintf("%x", v), nil
},
"blob": func(v interface{}) (pipeFileValue string, err error) {
return fmt.Sprintf("%x", v), nil
},
"uuid": func(v interface{}) (pipeFileValue string, err error) {
return fmt.Sprintf("%s", v), nil
},
"bool": func(v interface{}) (pipeFileValue string, err error) {
return fmt.Sprintf("%t", v), nil
},
"json": func(v interface{}) (pipeFileValue string, err error) {
return fmt.Sprintf("%s", v), nil
},
"xml": func(v interface{}) (pipeFileValue string, err error) {
return fmt.Sprintf("%s", v), nil
},
"varbit": func(v interface{}) (pipeFileValue string, err error) {
varbitBuilder := strings.Builder{}
valBytes, ok := v.([]byte)
if !ok {
return "", errors.New("non []uint8 value passed to varbit mysqlPipeFileFormatter")
}
for _, b := range valBytes {
varbitBuilder.WriteString(fmt.Sprintf("%b", b))
}
return strings.TrimLeft(varbitBuilder.String(), "0"), nil
},
}
return pipeFileFormatters
}
func (system Mysql) insertPipeFilesOverride(columnInfo []ColumnInfo, transfer Transfer, pipeFileInfoChannel <-chan PipeFileInfo, vacuumTable string) (overridden bool, err error) {
return false, nil
}
func (system Mysql) convertPipeFilesOverride(pipeFilePath <-chan PipeFileInfo, finalCsvInfoChannelIn chan FinalCsvInfo, transfer Transfer, columnInfos []ColumnInfo,
) (finalCsvInfoChannel chan FinalCsvInfo, overridden bool) {
return finalCsvInfoChannelIn, false
}
func (system Mysql) getFinalCsvFormatters() (
finalCsvFormatters map[string]func(string) (finalCsvValue string, err error)) {
return map[string]func(string) (finalCsvValue string, err error){
"nvarchar": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"varchar": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"ntext": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"text": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"int64": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"int32": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"int16": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"float64": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"float32": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"decimal": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"money": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"datetime": func(v string) (finalCsvValue string, err error) {
valTime, err := time.Parse(time.RFC3339Nano, v)
if err != nil {
return "", fmt.Errorf(
"error parsing datetimetz value in mysql datetime mysql formatter :: %v", err)
}
return valTime.Format("2006-01-02 15:04:05.999999"), nil
},
"datetimetz": func(v string) (finalCsvValue string, err error) {
valTime, err := time.Parse(time.RFC3339Nano, v)
if err != nil {
return "", fmt.Errorf(
"error parsing datetimetz value in mysql datetimetz mysql formatter :: %v",
err)
}
return valTime.Format("2006-01-02 15:04:05.999999"), nil
},
"date": func(v string) (finalCsvValue string, err error) {
valTime, err := time.Parse(time.RFC3339Nano, v)
if err != nil {
return "", fmt.Errorf("error writing date value to mysql csv :: %v", err)
}
return valTime.Format("2006-01-02"), nil
},
"time": func(v string) (finalCsvValue string, err error) {
valTime, err := time.Parse(time.RFC3339Nano, v)
if err != nil {
return "", fmt.Errorf("error writing time value to mysql csv :: %v", err)
}
return valTime.Format("15:04:05.999999"), nil
},
"varbinary": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"blob": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"uuid": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"bool": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"json": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"xml": func(v string) (finalCsvValue string, err error) {
return v, nil
},
"varbit": func(v string) (finalCsvValue string, err error) {
return v, nil
},
}
}
func (system Mysql) insertFinalCsvsOverride(transfer Transfer) (overridden bool, err error) {
return false, nil
}
func (system Mysql) runInsertCmd(
finalCsvInfo FinalCsvInfo,
transfer Transfer,
schema, table string,
) (
err error,
) {
mysql.RegisterLocalFile(finalCsvInfo.FilePath)
defer mysql.DeregisterLocalFile(finalCsvInfo.FilePath)
escapedTable := system.escape(table)
copyQuery := fmt.Sprintf(
`load data local infile '%v' into table %v fields escaped by '' terminated by ','
optionally enclosed by '"' lines terminated by '\n';`, finalCsvInfo.FilePath, escapedTable)
err = system.exec(copyQuery)
if err != nil {
return fmt.Errorf("error inserting csv into mysql :: %v", err)
}
return nil
}
func (system Mysql) escape(objectName string) (escaped string) {
return fmt.Sprintf("`%v`", objectName)
}
func (system Mysql) isReservedKeyword(objectName string) bool {
return false
}
func (system Mysql) schemaRequired() bool {
return false
}
// func (system Mysql) getPkQuery(table Table) (query string) {
// return fmt.Sprintf(`
// SELECT
// COLUMN_NAME AS column_name
// FROM
// INFORMATION_SCHEMA.KEY_COLUMN_USAGE
// WHERE
// CONSTRAINT_NAME = 'PRIMARY'
// AND TABLE_SCHEMA = '%v'
// AND TABLE_NAME = '%v'
// ORDER BY
// ORDINAL_POSITION ASC;
// `, table.UnescapedSourceSchema, table.EscapedName)
// }
func (system Mysql) createSchemaIfNotExistsOverride(schema string) (overridden bool, err error) {
err = system.exec(fmt.Sprintf("create database if not exists %v", schema))
if err != nil {
return false, fmt.Errorf("error creating schema :: %v", err)
}
return true, nil
}
// func (system Mysql) getColumnNamesQuery(schema, table string) string {
// return fmt.Sprintf(`
// SELECT
// COLUMN_NAME
// FROM
// INFORMATION_SCHEMA.COLUMNS
// WHERE
// TABLE_SCHEMA = '%v'
// AND TABLE_NAME = '%v'
// ORDER BY
// ORDINAL_POSITION;
// `, table.UnescapedSourceSchema, table.EscapedName)
// }
func (system Mysql) dbTypeToPipeType(
databaseTypeName string,
) (
pipeType string,
err error,
) {
switch databaseTypeName {
case "bigint":
return "int64", nil
case "char":
return "nvarchar", nil
case "varchar":
return "nvarchar", nil
case "longtext":
return "ntext", nil
case "mediumtext":
return "ntext", nil
case "text":
return "ntext", nil
case "tinytext":
return "ntext", nil
case "enum":
return "nvarchar", nil
case "int":
return "int32", nil
case "mediumint":
return "int32", nil
case "smallint":
return "int16", nil
case "tinyint":
return "int16", nil
case "double":
return "float64", nil
case "float":
return "float32", nil
case "decimal":
return "decimal", nil
case "datetime":
return "datetime", nil
case "timestamp":
return "datetime", nil
case "date":
return "date", nil
case "time":
return "time", nil
case "year":
return "varchar", nil
case "binary":
return "varbinary", nil
case "varbinary":
return "varbinary", nil
case "longblob":
return "blob", nil
case "mediumblob":
return "blob", nil
case "blob":
return "blob", nil
case "tinyblob":
return "blob", nil
case "geometry":
return "blob", nil
case "bit":
return "varbit", nil
case "json":
return "json", nil
case "set":
return "nvarchar", nil
default:
return "", fmt.Errorf("unsupported database type for mysql: %v", databaseTypeName)
}
}
func (system Mysql) IsTableNotFoundError(err error) bool {
return strings.Contains(err.Error(), "doesn't exist")
}
func (system Mysql) getIncrementalTimeOverride(schema, table, incrementalColumn string, initialLoad bool) (time.Time, bool, bool, error) {
return time.Time{}, false, initialLoad, nil
}
func (system Mysql) getPrimaryKeysRows(schema, table string) (rows *sql.Rows, err error) {
unescapedSchemaPeriodTable := getSchemaPeriodTable(schema, table, system, false)
query := fmt.Sprintf(`
SELECT
COLUMN_NAME
FROM
information_schema.KEY_COLUMN_USAGE
WHERE lower(TABLE_NAME) = lower('%v')
AND CONSTRAINT_NAME = 'PRIMARY';
`,
unescapedSchemaPeriodTable)
rows, err = system.query(query)
if err != nil {
return nil, fmt.Errorf("error getting primary keys rows :: %v", err)
}
return rows, nil
}
var mysqlDatetimeFormat = "2006-01-02 15:04:05.999999"
var mysqlDateFormat = "2006-01-02"
var mysqlTimeFormat = "15:04:05.999999"
func (system Mysql) getSqlFormatters() (
pipeFileFormatters map[string]func(string) (pipeFileValue string, err error),
) {
return map[string]func(string) (pipeFileValue string, err error){
"nvarchar": func(v string) (pipeFileValue string, err error) {
return fmt.Sprintf("'%v'", singleQuoteReplacer.Replace(v)), nil
},
"varchar": func(v string) (pipeFileValue string, err error) {
return fmt.Sprintf("'%v'", singleQuoteReplacer.Replace(v)), nil
},
"ntext": func(v string) (pipeFileValue string, err error) {
return fmt.Sprintf("'%v'", singleQuoteReplacer.Replace(v)), nil
},
"text": func(v string) (pipeFileValue string, err error) {
return fmt.Sprintf("'%v'", singleQuoteReplacer.Replace(v)), nil
},
"int64": func(v string) (pipeFileValue string, err error) {
return v, nil
},
"int32": func(v string) (pipeFileValue string, err error) {
return v, nil
},
"int16": func(v string) (pipeFileValue string, err error) {
return v, nil
},
"float64": func(v string) (pipeFileValue string, err error) {
return v, nil
},
"float32": func(v string) (pipeFileValue string, err error) {
return v, nil
},
"decimal": func(v string) (pipeFileValue string, err error) {
return v, nil
},
"money": func(v string) (pipeFileValue string, err error) {
return v, nil
},
"datetime": func(v string) (pipeFileValue string, err error) {
valTime, err := time.Parse(time.RFC3339Nano, v)
if err != nil {
return "", fmt.Errorf("error writing date value to mysql csv :: %v", err)
}
return fmt.Sprintf("'%v'", valTime.Format(mysqlDatetimeFormat)), nil
},
"datetimetz": func(v string) (pipeFileValue string, err error) {
valTime, err := time.Parse(time.RFC3339Nano, v)
if err != nil {
return "", fmt.Errorf("error writing date value to mysql csv :: %v", err)
}
return fmt.Sprintf("'%v'", valTime.Format(mysqlDatetimeFormat)), nil
},
"date": func(v string) (pipeFileValue string, err error) {
valTime, err := time.Parse(time.RFC3339Nano, v)
if err != nil {
return "", fmt.Errorf("error writing date value to mysql csv :: %v", err)
}
return fmt.Sprintf("'%v'", valTime.Format(mysqlDateFormat)), nil
},
"time": func(v string) (pipeFileValue string, err error) {
valTime, err := time.Parse(time.RFC3339Nano, v)
if err != nil {
return "", fmt.Errorf("error writing date value to mysql csv :: %v", err)
}
return fmt.Sprintf("'%v'", valTime.Format(mysqlTimeFormat)), nil
},
"varbinary": func(v string) (pipeFileValue string, err error) {
return fmt.Sprintf(`UNHEX('%s')`, v), nil
},
"blob": func(v string) (pipeFileValue string, err error) {
return fmt.Sprintf(`UNHEX('%s'`, v), nil
},
"uuid": func(v string) (pipeFileValue string, err error) {
return v, nil
},
"bool": func(v string) (pipeFileValue string, err error) {
return v, nil
},
"json": func(v string) (pipeFileValue string, err error) {
return fmt.Sprintf("'%v'", singleQuoteReplacer.Replace(v)), nil
},
"xml": func(v string) (pipeFileValue string, err error) {
return fmt.Sprintf("'%v'", singleQuoteReplacer.Replace(v)), nil
},
"varbit": func(v string) (pipeFileValue string, err error) {
return v, nil
},
}
}
func (system Mysql) getTableColumnInfosRows(schema, table string) (rows *sql.Rows, err error) {
query := fmt.Sprintf(`
WITH PrimaryKeys AS (
SELECT
kcu.COLUMN_NAME
FROM
information_schema.KEY_COLUMN_USAGE AS kcu
JOIN information_schema.TABLE_CONSTRAINTS AS tc
ON kcu.CONSTRAINT_NAME = tc.CONSTRAINT_NAME
AND kcu.TABLE_NAME = tc.TABLE_NAME
WHERE
tc.CONSTRAINT_TYPE = 'PRIMARY KEY'
AND kcu.TABLE_NAME = '%v'
)
SELECT
columns.COLUMN_NAME AS col_name,
columns.DATA_TYPE AS col_type,
COALESCE(columns.NUMERIC_PRECISION, -1) AS col_precision,
COALESCE(columns.NUMERIC_SCALE, -1) AS col_scale,
COALESCE(columns.CHARACTER_MAXIMUM_LENGTH, -1) AS col_length,
CASE WHEN pk.COLUMN_NAME IS NOT NULL THEN true ELSE false END AS col_is_primary
FROM
information_schema.COLUMNS AS columns
LEFT JOIN PrimaryKeys pk ON columns.COLUMN_NAME = pk.COLUMN_NAME
WHERE
columns.TABLE_NAME = '%v'
ORDER BY
columns.ORDINAL_POSITION;
`, table, table)
rows, err = system.query(query)
if err != nil {
return nil, fmt.Errorf("error getting table column infos rows :: %v", err)
}
return rows, nil
}