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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
|
//------------------------------------------------------------------------------
// <copyright file="SqlMetaData.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
// <owner current="true" primary="false">Microsoft</owner>
// <owner current="true" primary="false">Microsoft</owner>
//------------------------------------------------------------------------------
namespace Microsoft.SqlServer.Server {
using System;
using System.Data;
using System.Data.Common;
using System.Diagnostics;
using System.Globalization;
using System.Data.SqlTypes;
using System.Data.SqlClient;
// class SqlMetaData
// Simple immutable implementation of the a metadata-holding class. Only
// complexities are:
// 1) enforcing immutability.
// 2) Inferring type from a value.
// 3) Adjusting a value to match the metadata.
public sealed class SqlMetaData
{
private string m_strName;
private long m_lMaxLength;
private SqlDbType m_sqlDbType;
private byte m_bPrecision;
private byte m_bScale;
private long m_lLocale;
private SqlCompareOptions m_eCompareOptions;
private string m_XmlSchemaCollectionDatabase;
private string m_XmlSchemaCollectionOwningSchema;
private string m_XmlSchemaCollectionName;
private string m_serverTypeName;
private bool m_bPartialLength;
private Type m_udttype;
private bool m_useServerDefault;
private bool m_isUniqueKey;
private SortOrder m_columnSortOrder;
private int m_sortOrdinal;
// unlimited (except by implementation) max-length.
private const long x_lMax = -1;
private const long x_lServerMaxUnicode = 4000;
private const long x_lServerMaxANSI = 8000;
private const long x_lServerMaxBinary = 8000;
private const bool x_defaultUseServerDefault = false;
private const bool x_defaultIsUniqueKey = false;
private const SortOrder x_defaultColumnSortOrder = SortOrder.Unspecified;
private const int x_defaultSortOrdinal = -1;
private const SqlCompareOptions x_eDefaultStringCompareOptions = SqlCompareOptions.IgnoreCase
| SqlCompareOptions.IgnoreKanaType | SqlCompareOptions.IgnoreWidth;
// scalar types constructor without tvp extended properties
public SqlMetaData(String name, SqlDbType dbType) {
Construct(name, dbType, x_defaultUseServerDefault,
x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal);
}
// scalar types constructor
public SqlMetaData(String name, SqlDbType dbType, bool useServerDefault,
bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) {
Construct(name, dbType, useServerDefault,
isUniqueKey, columnSortOrder, sortOrdinal);
}
// binary or string constructor with only max length
// (for string types, locale and compare options will be picked up from the thread.
public SqlMetaData(String name, SqlDbType dbType, long maxLength) {
Construct(name, dbType, maxLength, x_defaultUseServerDefault,
x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal);
}
// binary or string constructor with only max length and tvp extended properties
// (for string types, locale and compare options will be picked up from the thread.
public SqlMetaData(String name, SqlDbType dbType, long maxLength, bool useServerDefault,
bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) {
Construct(name, dbType, maxLength, useServerDefault,
isUniqueKey, columnSortOrder, sortOrdinal);
}
// udt ctor without tvp extended properties
public SqlMetaData(String name, SqlDbType dbType, Type userDefinedType) {
Construct(name, dbType, userDefinedType, null, x_defaultUseServerDefault,
x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal);
}
// udt ctor without tvp extended properties
public SqlMetaData(String name, SqlDbType dbType, Type userDefinedType, string serverTypeName) {
Construct(name, dbType, userDefinedType, serverTypeName, x_defaultUseServerDefault,
x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal);
}
// udt ctor
public SqlMetaData(String name, SqlDbType dbType, Type userDefinedType, string serverTypeName,
bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) {
Construct(name, dbType, userDefinedType, serverTypeName, useServerDefault,
isUniqueKey, columnSortOrder, sortOrdinal);
}
// decimal ctor without tvp extended properties
public SqlMetaData(String name, SqlDbType dbType, byte precision, byte scale) {
Construct(name, dbType, precision, scale, x_defaultUseServerDefault,
x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal);
}
// decimal ctor
public SqlMetaData(string name, SqlDbType dbType, byte precision, byte scale, bool useServerDefault,
bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) {
Construct(name, dbType, precision, scale, useServerDefault,
isUniqueKey, columnSortOrder, sortOrdinal);
}
// string type constructor with locale and compare options, no tvp extended properties
public SqlMetaData(String name, SqlDbType dbType, long maxLength, long locale,
SqlCompareOptions compareOptions) {
Construct(name, dbType, maxLength, locale, compareOptions, x_defaultUseServerDefault,
x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal);
}
// string type constructor with locale and compare options
public SqlMetaData(String name, SqlDbType dbType, long maxLength, long locale,
SqlCompareOptions compareOptions, bool useServerDefault,
bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) {
Construct(name, dbType, maxLength, locale, compareOptions, useServerDefault,
isUniqueKey, columnSortOrder, sortOrdinal);
}
// typed xml ctor
public SqlMetaData(String name, SqlDbType dbType, string database, string owningSchema,
string objectName, bool useServerDefault, bool isUniqueKey,
SortOrder columnSortOrder, int sortOrdinal) {
Construct(name, dbType, database, owningSchema, objectName, useServerDefault,
isUniqueKey, columnSortOrder, sortOrdinal);
}
// everything except xml schema and tvp properties ctor
public SqlMetaData(String name, SqlDbType dbType, long maxLength, byte precision,
byte scale, long locale, SqlCompareOptions compareOptions,
Type userDefinedType) :
this(name, dbType, maxLength, precision, scale, locale, compareOptions,
userDefinedType, x_defaultUseServerDefault, x_defaultIsUniqueKey,
x_defaultColumnSortOrder, x_defaultSortOrdinal) {
}
// everything except xml schema ctor
public SqlMetaData(String name, SqlDbType dbType, long maxLength, byte precision,
byte scale, long localeId, SqlCompareOptions compareOptions,
Type userDefinedType, bool useServerDefault,
bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) {
switch (dbType) {
case SqlDbType.BigInt:
case SqlDbType.Image:
case SqlDbType.Timestamp:
case SqlDbType.Bit:
case SqlDbType.DateTime:
case SqlDbType.SmallDateTime:
case SqlDbType.Real:
case SqlDbType.Int:
case SqlDbType.Money:
case SqlDbType.SmallMoney:
case SqlDbType.Float:
case SqlDbType.UniqueIdentifier:
case SqlDbType.SmallInt:
case SqlDbType.TinyInt:
case SqlDbType.Xml:
case SqlDbType.Date:
Construct(name, dbType, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal);
break;
case SqlDbType.Binary:
case SqlDbType.VarBinary:
Construct(name, dbType, maxLength, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal);
break;
case SqlDbType.Char:
case SqlDbType.NChar:
case SqlDbType.NVarChar:
case SqlDbType.VarChar:
Construct(name, dbType, maxLength, localeId, compareOptions, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal);
break;
case SqlDbType.NText:
case SqlDbType.Text:
// SQLBU # : We should ignore user's max length and use Max instead to avoid exception
Construct(name, dbType, Max, localeId, compareOptions, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal);
break;
case SqlDbType.Decimal:
case SqlDbType.Time:
case SqlDbType.DateTime2:
case SqlDbType.DateTimeOffset:
Construct(name, dbType, precision, scale, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal);
break;
case SqlDbType.Variant:
Construct(name, dbType, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal);
break;
case SqlDbType.Udt:
Construct(name, dbType, userDefinedType, "", useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal);
break;
default:
SQL.InvalidSqlDbTypeForConstructor(dbType);
break;
}
}
public SqlMetaData(String name, SqlDbType dbType, string database, string owningSchema, string objectName) {
Construct(name, dbType, database, owningSchema, objectName, x_defaultUseServerDefault, x_defaultIsUniqueKey,
x_defaultColumnSortOrder, x_defaultSortOrdinal);
}
// Most general constructor, should be able to intialize all SqlMetaData fields.(Used by SqlParameter)
internal SqlMetaData (String name,
SqlDbType sqlDBType,
long maxLength,
byte precision,
byte scale,
long localeId,
SqlCompareOptions compareOptions,
string xmlSchemaCollectionDatabase,
string xmlSchemaCollectionOwningSchema,
string xmlSchemaCollectionName,
bool partialLength,
Type udtType) {
AssertNameIsValid(name);
m_strName = name;
m_sqlDbType = sqlDBType;
m_lMaxLength = maxLength;
m_bPrecision = precision;
m_bScale = scale;
m_lLocale = localeId;
m_eCompareOptions = compareOptions;
m_XmlSchemaCollectionDatabase = xmlSchemaCollectionDatabase;
m_XmlSchemaCollectionOwningSchema = xmlSchemaCollectionOwningSchema;
m_XmlSchemaCollectionName = xmlSchemaCollectionName;
m_bPartialLength = partialLength;
m_udttype = udtType;
}
// Private constructor used to initialize default instance array elements.
// DO NOT EXPOSE OUTSIDE THIS CLASS! It performs no validation.
private SqlMetaData (String name,
SqlDbType sqlDbType,
long maxLength,
byte precision,
byte scale,
long localeId,
SqlCompareOptions compareOptions,
bool partialLength) {
AssertNameIsValid(name);
m_strName = name;
m_sqlDbType = sqlDbType;
m_lMaxLength = maxLength;
m_bPrecision = precision;
m_bScale = scale;
m_lLocale = localeId;
m_eCompareOptions = compareOptions;
m_bPartialLength = partialLength;
m_udttype = null;
}
public SqlCompareOptions CompareOptions {
get {
return m_eCompareOptions;
}
}
public DbType DbType {
get {
return sxm_rgSqlDbTypeToDbType[(int)m_sqlDbType];
}
}
public bool IsUniqueKey {
get {
return m_isUniqueKey;
}
}
public long LocaleId {
get{
return m_lLocale;
}
}
public static long Max {
get {
return x_lMax;
}
}
public long MaxLength {
get {
return m_lMaxLength;
}
}
public string Name {
get {
return m_strName;
}
}
public byte Precision {
get {
return m_bPrecision;
}
}
public byte Scale {
get {
return m_bScale;
}
}
public SortOrder SortOrder {
get {
return m_columnSortOrder;
}
}
public int SortOrdinal {
get {
return m_sortOrdinal;
}
}
public SqlDbType SqlDbType {
get {
return m_sqlDbType;
}
}
public Type Type {
get {
return m_udttype;
}
}
public string TypeName {
get {
if (m_serverTypeName != null) {
return m_serverTypeName;
}
else if (SqlDbType == SqlDbType.Udt) {
return UdtTypeName;
}
else {
return sxm_rgDefaults[(int)SqlDbType].Name;
}
}
}
internal string ServerTypeName {
get {
return m_serverTypeName;
}
}
public bool UseServerDefault {
get {
return m_useServerDefault;
}
}
public string XmlSchemaCollectionDatabase {
get {
return m_XmlSchemaCollectionDatabase;
}
}
public string XmlSchemaCollectionName {
get {
return m_XmlSchemaCollectionName;
}
}
public string XmlSchemaCollectionOwningSchema {
get {
return m_XmlSchemaCollectionOwningSchema;
}
}
internal bool IsPartialLength {
get {
return m_bPartialLength;
}
}
internal string UdtTypeName {
get{
if(SqlDbType != SqlDbType.Udt) {
return null;
}
else if (m_udttype == null) {
return null;
}
else {
return m_udttype.FullName;
}
}
}
// Construction for all types that do not have variable attributes
private void Construct(String name, SqlDbType dbType, bool useServerDefault,
bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) {
AssertNameIsValid(name);
ValidateSortOrder(columnSortOrder, sortOrdinal);
// Check for absense of explicitly-allowed types to avoid unexpected additions when new types are added
if (!( SqlDbType.BigInt == dbType ||
SqlDbType.Bit == dbType ||
SqlDbType.DateTime == dbType ||
SqlDbType.Date == dbType ||
SqlDbType.DateTime2 == dbType ||
SqlDbType.DateTimeOffset == dbType ||
SqlDbType.Decimal == dbType ||
SqlDbType.Float == dbType ||
SqlDbType.Image == dbType ||
SqlDbType.Int == dbType ||
SqlDbType.Money == dbType ||
SqlDbType.NText == dbType ||
SqlDbType.Real == dbType ||
SqlDbType.SmallDateTime == dbType ||
SqlDbType.SmallInt == dbType ||
SqlDbType.SmallMoney == dbType ||
SqlDbType.Text == dbType ||
SqlDbType.Time == dbType ||
SqlDbType.Timestamp == dbType ||
SqlDbType.TinyInt == dbType ||
SqlDbType.UniqueIdentifier == dbType ||
SqlDbType.Variant == dbType ||
SqlDbType.Xml == dbType) )
throw SQL.InvalidSqlDbTypeForConstructor(dbType);
SetDefaultsForType( dbType );
if (SqlDbType.NText == dbType || SqlDbType.Text == dbType) {
m_lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID;
}
m_strName = name;
m_useServerDefault = useServerDefault;
m_isUniqueKey = isUniqueKey;
m_columnSortOrder = columnSortOrder;
m_sortOrdinal = sortOrdinal;
}
// Construction for all types that vary by user-specified length (not Udts)
private void Construct(String name, SqlDbType dbType, long maxLength, bool useServerDefault,
bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) {
AssertNameIsValid(name);
ValidateSortOrder(columnSortOrder, sortOrdinal);
long lLocale = 0;
if (SqlDbType.Char == dbType) {
if (maxLength > x_lServerMaxANSI || maxLength < 0)
throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength");
lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID;
}
else if (SqlDbType.VarChar == dbType) {
if ((maxLength > x_lServerMaxANSI || maxLength < 0) && maxLength != Max)
throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength");
lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID;
}
else if (SqlDbType.NChar == dbType) {
if (maxLength > x_lServerMaxUnicode || maxLength < 0)
throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength");
lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID;
}
else if (SqlDbType.NVarChar == dbType) {
if ((maxLength > x_lServerMaxUnicode || maxLength < 0) && maxLength != Max)
throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength");
lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID;
}
else if (SqlDbType.NText == dbType || SqlDbType.Text == dbType) {
// old-style lobs only allowed with Max length
if (SqlMetaData.Max != maxLength)
throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength");
lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID;
}
else if (SqlDbType.Binary == dbType) {
if (maxLength > x_lServerMaxBinary || maxLength < 0)
throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength");
}
else if (SqlDbType.VarBinary == dbType) {
if ((maxLength > x_lServerMaxBinary || maxLength < 0) && maxLength != Max)
throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength");
}
else if (SqlDbType.Image == dbType) {
// old-style lobs only allowed with Max length
if (SqlMetaData.Max != maxLength)
throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength");
}
else
throw SQL.InvalidSqlDbTypeForConstructor(dbType);
SetDefaultsForType( dbType );
m_strName = name;
m_lMaxLength = maxLength;
m_lLocale = lLocale;
m_useServerDefault = useServerDefault;
m_isUniqueKey = isUniqueKey;
m_columnSortOrder = columnSortOrder;
m_sortOrdinal = sortOrdinal;
}
// Construction for string types with specified locale/compare options
private void Construct(String name,
SqlDbType dbType,
long maxLength,
long locale,
SqlCompareOptions compareOptions,
bool useServerDefault,
bool isUniqueKey,
SortOrder columnSortOrder,
int sortOrdinal) {
AssertNameIsValid(name);
ValidateSortOrder(columnSortOrder, sortOrdinal);
// Validate type and max length.
if (SqlDbType.Char == dbType)
{
if (maxLength > x_lServerMaxANSI || maxLength < 0)
throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength");
}
else if (SqlDbType.VarChar == dbType)
{
if ((maxLength > x_lServerMaxANSI || maxLength < 0) && maxLength != Max)
throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength");
}
else if (SqlDbType.NChar == dbType)
{
if (maxLength > x_lServerMaxUnicode || maxLength < 0)
throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength");
}
else if (SqlDbType.NVarChar == dbType)
{
if ((maxLength > x_lServerMaxUnicode || maxLength < 0) && maxLength != Max)
throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength");
}
else if (SqlDbType.NText == dbType || SqlDbType.Text == dbType)
{
// old-style lobs only allowed with Max length
if (SqlMetaData.Max != maxLength)
throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength");
}
else
throw SQL.InvalidSqlDbTypeForConstructor(dbType);
// Validate locale?
// Validate compare options
// Binary sort must be by itself.
// Nothing else but the Ignore bits is allowed.
if (SqlCompareOptions.BinarySort != compareOptions &&
0 != (~((int)SqlCompareOptions.IgnoreCase | (int)SqlCompareOptions.IgnoreNonSpace |
(int)SqlCompareOptions.IgnoreKanaType | (int)SqlCompareOptions.IgnoreWidth) &
(int)compareOptions))
throw ADP.InvalidEnumerationValue(typeof(SqlCompareOptions), (int)compareOptions);
SetDefaultsForType( dbType );
m_strName = name;
m_lMaxLength = maxLength;
m_lLocale = locale;
m_eCompareOptions = compareOptions;
m_useServerDefault = useServerDefault;
m_isUniqueKey = isUniqueKey;
m_columnSortOrder = columnSortOrder;
m_sortOrdinal = sortOrdinal;
}
private static byte[] __maxLenFromPrecision = new byte[] {5,5,5,5,5,5,5,5,5,9,9,9,9,9,
9,9,9,9,9,13,13,13,13,13,13,13,13,13,17,17,17,17,17,17,17,17,17,17};
private const byte MaxTimeScale = 7;
private static byte[] __maxVarTimeLenOffsetFromScale = new byte[] { 2, 2, 2, 1, 1, 0, 0, 0 };
// Construction for Decimal type and new Katmai Date/Time types
private void Construct( String name, SqlDbType dbType, byte precision, byte scale, bool useServerDefault,
bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal ) {
AssertNameIsValid(name);
ValidateSortOrder(columnSortOrder, sortOrdinal);
if (SqlDbType.Decimal == dbType) {
if (precision > SqlDecimal.MaxPrecision || scale > precision)
throw SQL.PrecisionValueOutOfRange(precision);
if (scale > SqlDecimal.MaxScale)
throw SQL.ScaleValueOutOfRange(scale);
} else if (SqlDbType.Time == dbType || SqlDbType.DateTime2 == dbType || SqlDbType.DateTimeOffset == dbType) {
if (scale > MaxTimeScale) {
throw SQL.TimeScaleValueOutOfRange(scale);
}
} else {
throw SQL.InvalidSqlDbTypeForConstructor(dbType);
}
SetDefaultsForType(dbType);
m_strName = name;
m_bPrecision = precision;
m_bScale = scale;
if (SqlDbType.Decimal == dbType) {
m_lMaxLength = __maxLenFromPrecision[precision - 1];
} else {
m_lMaxLength -= __maxVarTimeLenOffsetFromScale[scale];
}
m_useServerDefault = useServerDefault;
m_isUniqueKey = isUniqueKey;
m_columnSortOrder = columnSortOrder;
m_sortOrdinal = sortOrdinal;
}
// Construction for Udt type
private void Construct(String name, SqlDbType dbType, Type userDefinedType, string serverTypeName, bool useServerDefault,
bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) {
AssertNameIsValid(name);
ValidateSortOrder(columnSortOrder, sortOrdinal);
if (SqlDbType.Udt != dbType)
throw SQL.InvalidSqlDbTypeForConstructor(dbType);
if (null == userDefinedType)
throw ADP.ArgumentNull("userDefinedType");
SetDefaultsForType(SqlDbType.Udt);
m_strName = name;
m_lMaxLength = SerializationHelperSql9.GetUdtMaxLength( userDefinedType );
m_udttype = userDefinedType;
m_serverTypeName = serverTypeName;
m_useServerDefault = useServerDefault;
m_isUniqueKey = isUniqueKey;
m_columnSortOrder = columnSortOrder;
m_sortOrdinal = sortOrdinal;
}
// Construction for Xml type
private void Construct(String name, SqlDbType dbType, string database, string owningSchema,
string objectName, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder,
int sortOrdinal) {
AssertNameIsValid(name);
ValidateSortOrder(columnSortOrder, sortOrdinal);
if (SqlDbType.Xml != dbType)
throw SQL.InvalidSqlDbTypeForConstructor(dbType);
if (null != database || null != owningSchema) {
if (null == objectName) {
throw ADP.ArgumentNull("objectName");
}
}
SetDefaultsForType(SqlDbType.Xml);
m_strName = name;
m_XmlSchemaCollectionDatabase = database;
m_XmlSchemaCollectionOwningSchema = owningSchema;
m_XmlSchemaCollectionName = objectName;
m_useServerDefault = useServerDefault;
m_isUniqueKey = isUniqueKey;
m_columnSortOrder = columnSortOrder;
m_sortOrdinal = sortOrdinal;
}
private void AssertNameIsValid(string name) {
if (null == name)
throw ADP.ArgumentNull("name");
if (Microsoft.SqlServer.Server.SmiMetaData.MaxNameLength < name.Length)
throw SQL.NameTooLong("name");
}
private void ValidateSortOrder(SortOrder columnSortOrder, int sortOrdinal) {
// Check that sort order is valid enum value.
if (SortOrder.Unspecified != columnSortOrder &&
SortOrder.Ascending != columnSortOrder &&
SortOrder.Descending != columnSortOrder) {
throw SQL.InvalidSortOrder(columnSortOrder);
}
// Must specify both sort order and ordinal, or neither
if ( (SortOrder.Unspecified == columnSortOrder) != (x_defaultSortOrdinal == sortOrdinal)) {
throw SQL.MustSpecifyBothSortOrderAndOrdinal(columnSortOrder, sortOrdinal);
}
}
public Int16 Adjust(Int16 value) {
if (SqlDbType.SmallInt != SqlDbType)
ThrowInvalidType();
return value;
}
public Int32 Adjust(Int32 value) {
if (SqlDbType.Int != SqlDbType)
ThrowInvalidType();
return value;
}
public Int64 Adjust(Int64 value) {
if (SqlDbType.BigInt != SqlDbType)
ThrowInvalidType();
return value;
}
public float Adjust(float value) {
if (SqlDbType.Real != SqlDbType)
ThrowInvalidType();
return value;
}
public double Adjust(double value) {
if (SqlDbType.Float != SqlDbType)
ThrowInvalidType();
return value;
}
public string Adjust(string value) {
if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType) {
//DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(string): Fixed-length type with Max length!");
// Don't pad null values
if (null != value) {
// Pad if necessary
if (value.Length < MaxLength)
value = value.PadRight((int)MaxLength);
}
}
else if (SqlDbType.VarChar != SqlDbType &&
SqlDbType.NVarChar != SqlDbType &&
SqlDbType.Text != SqlDbType &&
SqlDbType.NText != SqlDbType) {
ThrowInvalidType();
}
// Handle null values after type check
if (null == value) {
return null;
}
if (value.Length > MaxLength && Max != MaxLength)
value = value.Remove((int)MaxLength, (int)(value.Length - MaxLength));
return value;
}
public decimal Adjust(decimal value) {
if (SqlDbType.Decimal != SqlDbType &&
SqlDbType.Money != SqlDbType &&
SqlDbType.SmallMoney != SqlDbType) {
ThrowInvalidType();
}
if (SqlDbType.Decimal != SqlDbType) {
VerifyMoneyRange(new SqlMoney(value));
return value;
}
else {
SqlDecimal sdValue = InternalAdjustSqlDecimal(new SqlDecimal(value));
return sdValue.Value;
}
}
public DateTime Adjust(DateTime value) {
if (SqlDbType.DateTime == SqlDbType || SqlDbType.SmallDateTime == SqlDbType) {
VerifyDateTimeRange(value);
} else if (SqlDbType.DateTime2 == SqlDbType) {
return new DateTime(InternalAdjustTimeTicks(value.Ticks));
} else if (SqlDbType.Date == SqlDbType) {
return value.Date;
} else {
ThrowInvalidType();
}
return value;
}
public Guid Adjust(Guid value) {
if (SqlDbType.UniqueIdentifier != SqlDbType)
ThrowInvalidType();
return value;
}
public SqlBoolean Adjust(SqlBoolean value) {
if (SqlDbType.Bit != SqlDbType)
ThrowInvalidType();
return value;
}
public SqlByte Adjust(SqlByte value) {
if (SqlDbType.TinyInt != SqlDbType)
ThrowInvalidType();
return value;
}
public SqlInt16 Adjust(SqlInt16 value) {
if (SqlDbType.SmallInt != SqlDbType)
ThrowInvalidType();
return value;
}
public SqlInt32 Adjust(SqlInt32 value) {
if (SqlDbType.Int != SqlDbType)
ThrowInvalidType();
return value;
}
public SqlInt64 Adjust(SqlInt64 value) {
if (SqlDbType.BigInt != SqlDbType)
ThrowInvalidType();
return value;
}
public SqlSingle Adjust(SqlSingle value) {
if (SqlDbType.Real != SqlDbType)
ThrowInvalidType();
return value;
}
public SqlDouble Adjust(SqlDouble value) {
if (SqlDbType.Float != SqlDbType)
ThrowInvalidType();
return value;
}
public SqlMoney Adjust(SqlMoney value) {
if (SqlDbType.Money != SqlDbType &&
SqlDbType.SmallMoney != SqlDbType)
ThrowInvalidType();
if (!value.IsNull)
VerifyMoneyRange(value);
return value;
}
public SqlDateTime Adjust(SqlDateTime value) {
if (SqlDbType.DateTime != SqlDbType &&
SqlDbType.SmallDateTime != SqlDbType)
ThrowInvalidType();
if (!value.IsNull)
VerifyDateTimeRange(value.Value);
return value;
}
public SqlDecimal Adjust(SqlDecimal value) {
if (SqlDbType.Decimal != SqlDbType)
ThrowInvalidType();
return InternalAdjustSqlDecimal(value);
}
public SqlString Adjust(SqlString value) {
if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType)
{
//DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(SqlString): Fixed-length type with Max length!");
// Don't pad null values
if (!value.IsNull)
{
// Pad fixed-length types
if (value.Value.Length < MaxLength)
return new SqlString(value.Value.PadRight((int)MaxLength));
}
}
else if (SqlDbType.VarChar != SqlDbType && SqlDbType.NVarChar != SqlDbType &&
SqlDbType.Text != SqlDbType && SqlDbType.NText != SqlDbType)
ThrowInvalidType();
// Handle null values after type check
if (value.IsNull)
{
return value;
}
// trim all types
if (value.Value.Length > MaxLength && Max != MaxLength)
value = new SqlString(value.Value.Remove((int)MaxLength, (int)(value.Value.Length - MaxLength)));
return value;
}
public SqlBinary Adjust(SqlBinary value) {
if (SqlDbType.Binary == SqlDbType ||
SqlDbType.Timestamp == SqlDbType) {
if (!value.IsNull) {
// Pad fixed-length types
if (value.Length < MaxLength) {
byte[] rgbValue = value.Value;
byte[] rgbNewValue = new byte[ MaxLength ];
Array.Copy(rgbValue, rgbNewValue, rgbValue.Length);
Array.Clear(rgbNewValue, rgbValue.Length, rgbNewValue.Length - rgbValue.Length);
return new SqlBinary(rgbNewValue);
}
}
}
else if (SqlDbType.VarBinary != SqlDbType &&
SqlDbType.Image != SqlDbType)
ThrowInvalidType();
// Handle null values
if (value.IsNull) {
return value;
}
// trim all types
if (value.Length > MaxLength && Max != MaxLength) {
byte[] rgbValue = value.Value;
byte[] rgbNewValue = new byte[ MaxLength ];
Array.Copy(rgbValue, rgbNewValue, (int)MaxLength);
value = new SqlBinary(rgbNewValue);
}
return value;
}
public SqlGuid Adjust(SqlGuid value) {
if (SqlDbType.UniqueIdentifier != SqlDbType)
ThrowInvalidType();
return value;
}
public SqlChars Adjust(SqlChars value) {
if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType) {
//DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(SqlChars): Fixed-length type with Max length!");
// Don't pad null values
if (null != value && !value.IsNull) {
// Pad fixed-length types
long oldLength = value.Length;
if (oldLength < MaxLength) {
// Make sure buffer is long enough
if (value.MaxLength < MaxLength) {
char[] rgchNew = new char[ (int)MaxLength ];
Array.Copy(value.Buffer, rgchNew, (int)oldLength);
value = new SqlChars(rgchNew);
}
// pad extra space
char[] rgchTemp = value.Buffer;
for(long i=oldLength; i<MaxLength; i++)
rgchTemp[i] = ' ';
value.SetLength(MaxLength);
return value;
}
}
}
else if ( SqlDbType.VarChar != SqlDbType && SqlDbType.NVarChar != SqlDbType &&
SqlDbType.Text != SqlDbType && SqlDbType.NText != SqlDbType)
ThrowInvalidType();
// Handle null values after type check.
if (null == value || value.IsNull) {
return value;
}
// trim all types
if (value.Length > MaxLength && Max != MaxLength)
value.SetLength(MaxLength);
return value;
}
public SqlBytes Adjust(SqlBytes value) {
if (SqlDbType.Binary == SqlDbType || SqlDbType.Timestamp == SqlDbType) {
//DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(SqlBytes): Fixed-length type with Max length!");
// Don't pad null values
if (null != value && !value.IsNull)
{
// Pad fixed-length types
int oldLength = (int) value.Length;
if (oldLength < MaxLength)
{
// Make sure buffer is long enough
if (value.MaxLength < MaxLength)
{
byte[] rgbNew = new byte[ MaxLength ];
Array.Copy(value.Buffer, rgbNew, (int)oldLength);
value = new SqlBytes(rgbNew);
}
// pad extra space
byte[] rgbTemp = value.Buffer;
Array.Clear(rgbTemp, oldLength, rgbTemp.Length - oldLength);
value.SetLength(MaxLength);
return value;
}
}
}
else if (SqlDbType.VarBinary != SqlDbType &&
SqlDbType.Image != SqlDbType)
ThrowInvalidType();
// Handle null values after type check.
if (null == value || value.IsNull) {
return value;
}
// trim all types
if (value.Length > MaxLength && Max != MaxLength)
value.SetLength(MaxLength);
return value;
}
public SqlXml Adjust(SqlXml value) {
if (SqlDbType.Xml != SqlDbType)
ThrowInvalidType();
return value;
}
public TimeSpan Adjust(TimeSpan value) {
if (SqlDbType.Time != SqlDbType)
ThrowInvalidType();
VerifyTimeRange(value);
return new TimeSpan(InternalAdjustTimeTicks(value.Ticks));
}
public DateTimeOffset Adjust(DateTimeOffset value) {
if (SqlDbType.DateTimeOffset != SqlDbType)
ThrowInvalidType();
return new DateTimeOffset(InternalAdjustTimeTicks(value.Ticks), value.Offset);
}
public object Adjust(object value) {
// Pass null references through
if (null == value)
return null;
Type dataType = value.GetType();
switch (Type.GetTypeCode(dataType)) {
case TypeCode.Boolean: value = this.Adjust((Boolean)value); break;
case TypeCode.Byte: value = this.Adjust((Byte)value); break;
case TypeCode.Char: value = this.Adjust((Char)value); break;
case TypeCode.DateTime: value = this.Adjust((DateTime)value); break;
case TypeCode.DBNull: /* DBNull passes through as is for all types */ break;
case TypeCode.Decimal: value = this.Adjust((Decimal)value); break;
case TypeCode.Double: value = this.Adjust((Double)value); break;
case TypeCode.Empty: throw ADP.InvalidDataType(TypeCode.Empty);
case TypeCode.Int16: value = this.Adjust((Int16)value); break;
case TypeCode.Int32: value = this.Adjust((Int32)value); break;
case TypeCode.Int64: value = this.Adjust((Int64)value); break;
case TypeCode.SByte: throw ADP.InvalidDataType(TypeCode.SByte);
case TypeCode.Single: value = this.Adjust((Single)value); break;
case TypeCode.String: value = this.Adjust((String)value); break;
case TypeCode.UInt16: throw ADP.InvalidDataType(TypeCode.UInt16);
case TypeCode.UInt32: throw ADP.InvalidDataType(TypeCode.UInt32);
case TypeCode.UInt64: throw ADP.InvalidDataType(TypeCode.UInt64);
case TypeCode.Object:
if (dataType == typeof(System.Byte[]))
value = this.Adjust((System.Byte[])value);
else if (dataType == typeof(System.Char[]))
value = this.Adjust((System.Char[])value);
else if (dataType == typeof(System.Guid))
value = this.Adjust((System.Guid)value);
else if (dataType == typeof(System.Object)) {
//
throw ADP.InvalidDataType(TypeCode.UInt64);
}
else if (dataType == typeof(SqlBinary))
value = this.Adjust((SqlBinary)value);
else if (dataType == typeof(SqlBoolean))
value = this.Adjust((SqlBoolean)value);
else if (dataType == typeof(SqlByte))
value = this.Adjust((SqlByte)value);
else if (dataType == typeof(SqlDateTime))
value = this.Adjust((SqlDateTime)value);
else if (dataType == typeof(SqlDouble))
value = this.Adjust((SqlDouble)value);
else if (dataType == typeof(SqlGuid))
value = this.Adjust((SqlGuid)value);
else if (dataType == typeof(SqlInt16))
value = this.Adjust((SqlInt16)value);
else if (dataType == typeof(SqlInt32))
value = this.Adjust((SqlInt32)value);
else if (dataType == typeof(SqlInt64))
value = this.Adjust((SqlInt64)value);
else if (dataType == typeof(SqlMoney))
value = this.Adjust((SqlMoney)value);
else if (dataType == typeof(SqlDecimal))
value = this.Adjust((SqlDecimal)value);
else if (dataType == typeof(SqlSingle))
value = this.Adjust((SqlSingle)value);
else if (dataType == typeof(SqlString))
value = this.Adjust((SqlString)value);
else if (dataType == typeof(SqlChars))
value = this.Adjust((SqlChars)value);
else if (dataType == typeof(SqlBytes))
value = this.Adjust((SqlBytes)value);
else if (dataType == typeof(SqlXml))
value = this.Adjust((SqlXml)value);
else if (dataType == typeof(TimeSpan))
value = this.Adjust((TimeSpan)value);
else if (dataType == typeof(DateTimeOffset))
value = this.Adjust((DateTimeOffset)value);
else {
// Handle UDTs?
throw ADP.UnknownDataType(dataType);
}
break;
default: throw ADP.UnknownDataTypeCode(dataType, Type.GetTypeCode(dataType));
}
return value;
}
public static SqlMetaData InferFromValue(object value, String name) {
if (value == null)
throw ADP.ArgumentNull("value");
SqlMetaData smd = null;
Type dataType = value.GetType();
switch (Type.GetTypeCode(dataType))
{
case TypeCode.Boolean: smd = new SqlMetaData(name, SqlDbType.Bit); break;
case TypeCode.Byte: smd = new SqlMetaData(name, SqlDbType.TinyInt); break;
case TypeCode.Char: smd = new SqlMetaData(name, SqlDbType.NVarChar, 1 ); break;
case TypeCode.DateTime: smd = new SqlMetaData(name, SqlDbType.DateTime); break;
case TypeCode.DBNull: throw ADP.InvalidDataType(TypeCode.DBNull);
case TypeCode.Decimal:
{ // Add brackets in order to contain scope declare local variable "sd"
// use logic inside SqlDecimal to infer precision and scale.
SqlDecimal sd = new SqlDecimal((Decimal)value);
smd = new SqlMetaData(name, SqlDbType.Decimal, sd.Precision, sd.Scale);
}
break;
case TypeCode.Double: smd = new SqlMetaData(name, SqlDbType.Float); break;
case TypeCode.Empty: throw ADP.InvalidDataType(TypeCode.Empty);
case TypeCode.Int16: smd = new SqlMetaData(name, SqlDbType.SmallInt); break;
case TypeCode.Int32: smd = new SqlMetaData(name, SqlDbType.Int); break;
case TypeCode.Int64: smd = new SqlMetaData(name, SqlDbType.BigInt); break;
case TypeCode.SByte: throw ADP.InvalidDataType(TypeCode.SByte);
case TypeCode.Single: smd = new SqlMetaData(name, SqlDbType.Real); break;
case TypeCode.String:
{
long maxLen = ((String)value).Length;
if (maxLen < 1) maxLen = 1;
if (x_lServerMaxUnicode < maxLen)
maxLen = Max;
smd = new SqlMetaData(name, SqlDbType.NVarChar, maxLen);
}
break;
case TypeCode.UInt16: throw ADP.InvalidDataType(TypeCode.UInt16);
case TypeCode.UInt32: throw ADP.InvalidDataType(TypeCode.UInt32);
case TypeCode.UInt64: throw ADP.InvalidDataType(TypeCode.UInt64);
case TypeCode.Object:
if (dataType == typeof(System.Byte[]))
{
long maxLen = ((System.Byte[])value).Length;
if (maxLen < 1) maxLen = 1;
if (x_lServerMaxBinary < maxLen)
maxLen = Max;
smd = new SqlMetaData(name, SqlDbType.VarBinary, maxLen);
}
else if (dataType == typeof(System.Char[]))
{
long maxLen = ((System.Char[])value).Length;
if (maxLen < 1) maxLen = 1;
if (x_lServerMaxUnicode < maxLen)
maxLen = Max;
smd = new SqlMetaData(name, SqlDbType.NVarChar, maxLen);
}
else if (dataType == typeof(System.Guid))
smd = new SqlMetaData(name, SqlDbType.UniqueIdentifier);
else if (dataType == typeof(System.Object))
smd = new SqlMetaData(name, SqlDbType.Variant);
else if (dataType == typeof(SqlBinary))
{
long maxLen;
SqlBinary sb = ((SqlBinary) value);
if (!sb.IsNull)
{
maxLen = sb.Length;
if (maxLen < 1) maxLen = 1;
if (x_lServerMaxBinary < maxLen)
maxLen = Max;
}
else
maxLen = sxm_rgDefaults[(int)SqlDbType.VarBinary].MaxLength;
smd = new SqlMetaData(name, SqlDbType.VarBinary, maxLen);
}
else if (dataType == typeof(SqlBoolean))
smd = new SqlMetaData(name, SqlDbType.Bit);
else if (dataType == typeof(SqlByte))
smd = new SqlMetaData(name, SqlDbType.TinyInt);
else if (dataType == typeof(SqlDateTime))
smd = new SqlMetaData(name, SqlDbType.DateTime);
else if (dataType == typeof(SqlDouble))
smd = new SqlMetaData(name, SqlDbType.Float);
else if (dataType == typeof(SqlGuid))
smd = new SqlMetaData(name, SqlDbType.UniqueIdentifier);
else if (dataType == typeof(SqlInt16))
smd = new SqlMetaData(name, SqlDbType.SmallInt);
else if (dataType == typeof(SqlInt32))
smd = new SqlMetaData(name, SqlDbType.Int);
else if (dataType == typeof(SqlInt64))
smd = new SqlMetaData(name, SqlDbType.BigInt);
else if (dataType == typeof(SqlMoney))
smd = new SqlMetaData(name, SqlDbType.Money);
else if (dataType == typeof(SqlDecimal))
{
byte bPrec;
byte scale;
SqlDecimal sd = (SqlDecimal) value;
if (!sd.IsNull)
{
bPrec = sd.Precision;
scale = sd.Scale;
}
else
{
bPrec = sxm_rgDefaults[(int)SqlDbType.Decimal].Precision;
scale = sxm_rgDefaults[(int)SqlDbType.Decimal].Scale;
}
smd = new SqlMetaData(name, SqlDbType.Decimal, bPrec, scale);
}
else if (dataType == typeof(SqlSingle))
smd = new SqlMetaData(name, SqlDbType.Real);
else if (dataType == typeof(SqlString))
{
SqlString ss = (SqlString)value;
if (!ss.IsNull)
{
long maxLen = ss.Value.Length;
if (maxLen < 1) maxLen = 1;
if (maxLen > x_lServerMaxUnicode)
maxLen = Max;
smd = new SqlMetaData(name, SqlDbType.NVarChar, maxLen, ss.LCID, ss.SqlCompareOptions);
}
else
{
smd = new SqlMetaData(name, SqlDbType.NVarChar, sxm_rgDefaults[(int)SqlDbType.NVarChar].MaxLength);
}
}
else if (dataType == typeof(SqlChars))
{
long maxLen;
SqlChars sch = (SqlChars)value;
if (!sch.IsNull)
{
maxLen = sch.Length;
if (maxLen < 1) maxLen = 1;
if (maxLen > x_lServerMaxUnicode)
maxLen = Max;
}
else
maxLen = sxm_rgDefaults[(int)SqlDbType.NVarChar].MaxLength;
smd = new SqlMetaData(name, SqlDbType.NVarChar, maxLen);
}
else if (dataType == typeof(SqlBytes))
{
long maxLen;
SqlBytes sb = (SqlBytes)value;
if (!sb.IsNull)
{
maxLen = sb.Length;
if (maxLen < 1) maxLen = 1;
else if (x_lServerMaxBinary < maxLen) maxLen = Max;
}
else
maxLen = sxm_rgDefaults[(int)SqlDbType.VarBinary].MaxLength;
smd = new SqlMetaData(name, SqlDbType.VarBinary, maxLen);
}
else if (dataType == typeof(SqlXml))
smd = new SqlMetaData(name, SqlDbType.Xml);
else if (dataType == typeof(TimeSpan))
smd = new SqlMetaData(name, SqlDbType.Time, 0, InferScaleFromTimeTicks(((TimeSpan)value).Ticks));
else if (dataType == typeof(DateTimeOffset))
smd = new SqlMetaData(name, SqlDbType.DateTimeOffset, 0, InferScaleFromTimeTicks(((DateTimeOffset)value).Ticks));
else
throw ADP.UnknownDataType(dataType);
break;
default: throw ADP.UnknownDataTypeCode(dataType, Type.GetTypeCode(dataType));
}
return smd;
}
public bool Adjust(bool value) {
if (SqlDbType.Bit != SqlDbType)
ThrowInvalidType();
return value;
}
public byte Adjust(byte value) {
if (SqlDbType.TinyInt != SqlDbType)
ThrowInvalidType();
return value;
}
public byte[] Adjust(byte[] value) {
if (SqlDbType.Binary == SqlDbType || SqlDbType.Timestamp == SqlDbType)
{
//DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(byte[]): Fixed-length type with Max length!");
// Don't pad null values
if (null != value)
{
// Pad fixed-length types
if (value.Length < MaxLength)
{
byte[] rgbNewValue = new byte[ MaxLength ];
Array.Copy(value, rgbNewValue, value.Length);
Array.Clear(rgbNewValue, value.Length, (int) rgbNewValue.Length - value.Length);
return rgbNewValue;
}
}
}
else if (SqlDbType.VarBinary != SqlDbType &&
SqlDbType.Image != SqlDbType)
ThrowInvalidType();
// Handle null values after type check
if (null == value)
{
return null;
}
// trim all types
if (value.Length > MaxLength && Max != MaxLength)
{
byte[] rgbNewValue = new byte[ MaxLength];
Array.Copy(value, rgbNewValue, (int)MaxLength);
value = rgbNewValue;
}
return value;
}
public char Adjust(char value)
{
if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType)
{
if (1 != MaxLength)
ThrowInvalidType();
}
else if ( (1 > MaxLength) || // char must have max length of at least 1
(SqlDbType.VarChar != SqlDbType && SqlDbType.NVarChar != SqlDbType &&
SqlDbType.Text != SqlDbType && SqlDbType.NText != SqlDbType)
)
ThrowInvalidType();
return value;
}
public char[] Adjust(char[] value)
{
if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType)
{
//DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(byte[]): Fixed-length type with Max length!");
// Don't pad null values
if (null != value)
{
// Pad fixed-length types
long oldLength = value.Length;
if (oldLength < MaxLength)
{
char[] rgchNew = new char[ (int)MaxLength ];
Array.Copy(value, rgchNew, (int)oldLength);
// pad extra space
for(long i=oldLength; i<rgchNew.Length; i++)
rgchNew[i] = ' ';
return rgchNew;
}
}
}
else if ( SqlDbType.VarChar != SqlDbType && SqlDbType.NVarChar != SqlDbType &&
SqlDbType.Text != SqlDbType && SqlDbType.NText != SqlDbType)
ThrowInvalidType();
// Handle null values after type check
if (null == value)
{
return null;
}
// trim all types
if (value.Length > MaxLength && Max != MaxLength)
{
char[] rgchNewValue = new char[ MaxLength ];
Array.Copy(value, rgchNewValue, (int)MaxLength);
value = rgchNewValue;
}
return value;
}
internal static SqlMetaData GetPartialLengthMetaData(SqlMetaData md) {
if (md.IsPartialLength == true) {
return md;
}
if (md.SqlDbType == SqlDbType.Xml)
ThrowInvalidType(); //Xml should always have IsPartialLength = true
if (md.SqlDbType == SqlDbType.NVarChar || md.SqlDbType == SqlDbType.VarChar ||
md.SqlDbType == SqlDbType.VarBinary) {
SqlMetaData mdnew = new SqlMetaData(md.Name, md.SqlDbType, SqlMetaData.Max, 0, 0, md.LocaleId,
md.CompareOptions, null, null, null, true, md.Type);
return mdnew;
}
else
return md;
}
private static void ThrowInvalidType() {
throw ADP.InvalidMetaDataValue();
}
// Hard coding smalldatetime limits...
private static readonly DateTime x_dtSmallMax = new DateTime(2079, 06, 06, 23, 59, 29, 998);
private static readonly DateTime x_dtSmallMin = new DateTime(1899, 12, 31, 23, 59, 29, 999);
void VerifyDateTimeRange(DateTime value)
{
if (SqlDbType.SmallDateTime == SqlDbType && (x_dtSmallMax < value || x_dtSmallMin > value))
ThrowInvalidType();
}
private static readonly SqlMoney x_smSmallMax = new SqlMoney(((Decimal)Int32.MaxValue)/10000);
private static readonly SqlMoney x_smSmallMin = new SqlMoney(((Decimal)Int32.MinValue)/10000);
void VerifyMoneyRange(SqlMoney value)
{
if (SqlDbType.SmallMoney == SqlDbType && ((x_smSmallMax < value).Value || (x_smSmallMin > value).Value))
ThrowInvalidType();
}
private SqlDecimal InternalAdjustSqlDecimal(SqlDecimal value)
{
if (!value.IsNull && (value.Precision != Precision || value.Scale != Scale))
{
// SQLBU 402377 Force truncation if target scale is smaller than actual scale.
if (value.Scale != Scale)
{
value = SqlDecimal.AdjustScale(value, Scale - value.Scale, false /* Don't round, truncate. */);
}
return SqlDecimal.ConvertToPrecScale(value, Precision, Scale);
}
return value;
}
private static readonly TimeSpan x_timeMin = TimeSpan.Zero;
private static readonly TimeSpan x_timeMax = new TimeSpan(TimeSpan.TicksPerDay - 1);
private void VerifyTimeRange(TimeSpan value) {
if (SqlDbType.Time == SqlDbType && (x_timeMin > value || value > x_timeMax)) {
ThrowInvalidType();
}
}
private static readonly Int64[] __unitTicksFromScale = {
10000000,
1000000,
100000,
10000,
1000,
100,
10,
1,
};
private Int64 InternalAdjustTimeTicks(Int64 ticks) {
return (ticks / __unitTicksFromScale[Scale] * __unitTicksFromScale[Scale]);
}
private static byte InferScaleFromTimeTicks(Int64 ticks) {
for (byte scale = 0; scale < MaxTimeScale; ++scale) {
if ((ticks / __unitTicksFromScale[scale] * __unitTicksFromScale[scale]) == ticks) {
return scale;
}
}
return MaxTimeScale;
}
private static DbType[] sxm_rgSqlDbTypeToDbType = {
DbType.Int64, // SqlDbType.BigInt
DbType.Binary, // SqlDbType.Binary
DbType.Boolean, // SqlDbType.Bit
DbType.AnsiString, // SqlDbType.Char
DbType.DateTime, // SqlDbType.DateTime
DbType.Decimal, // SqlDbType.Decimal
DbType.Double, // SqlDbType.Float
DbType.Binary, // SqlDbType.Image
DbType.Int32, // SqlDbType.Int
DbType.Currency, // SqlDbType.Money
DbType.String, // SqlDbType.NChar
DbType.String, // SqlDbType.NText
DbType.String, // SqlDbType.NVarChar
DbType.Single, // SqlDbType.Real
DbType.Guid, // SqlDbType.UniqueIdentifier
DbType.DateTime, // SqlDbType.SmallDateTime
DbType.Int16, // SqlDbType.SmallInt
DbType.Currency, // SqlDbType.SmallMoney
DbType.AnsiString, // SqlDbType.Text
DbType.Binary, // SqlDbType.Timestamp
DbType.Byte, // SqlDbType.TinyInt
DbType.Binary, // SqlDbType.VarBinary
DbType.AnsiString, // SqlDbType.VarChar
DbType.Object, // SqlDbType.Variant
DbType.Object, // SqlDbType.Row
DbType.Xml, // SqlDbType.Xml
DbType.String, // SqlDbType.NVarChar, place holder
DbType.String, // SqlDbType.NVarChar, place holder
DbType.String, // SqlDbType.NVarChar, place holder
DbType.Object, // SqlDbType.Udt
DbType.Object, // SqlDbType.Structured
DbType.Date, // SqlDbType.Date
DbType.Time, // SqlDbType.Time
DbType.DateTime2, // SqlDbType.DateTime2
DbType.DateTimeOffset // SqlDbType.DateTimeOffset
};
private void SetDefaultsForType( SqlDbType dbType )
{
if ( SqlDbType.BigInt <= dbType && SqlDbType.DateTimeOffset >= dbType )
{
SqlMetaData smdDflt = sxm_rgDefaults[(int)dbType];
m_sqlDbType = dbType;
m_lMaxLength = smdDflt.MaxLength;
m_bPrecision = smdDflt.Precision;
m_bScale = smdDflt.Scale;
m_lLocale = smdDflt.LocaleId;
m_eCompareOptions = smdDflt.CompareOptions;
}
}
// Array of default-valued metadata ordered by corresponding SqlDbType.
internal static SqlMetaData[] sxm_rgDefaults =
{
// new SqlMetaData(name, DbType, SqlDbType, MaxLen, Prec, Scale, Locale, DatabaseName, SchemaName, isPartialLength)
new SqlMetaData("bigint", SqlDbType.BigInt,
8, 19, 0, 0, SqlCompareOptions.None, false), // SqlDbType.BigInt
new SqlMetaData("binary", SqlDbType.Binary,
1, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Binary
new SqlMetaData("bit", SqlDbType.Bit,
1, 1, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Bit
new SqlMetaData("char", SqlDbType.Char,
1, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.Char
new SqlMetaData("datetime", SqlDbType.DateTime,
8, 23, 3, 0, SqlCompareOptions.None, false), // SqlDbType.DateTime
new SqlMetaData("decimal", SqlDbType.Decimal,
9, 18, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Decimal
new SqlMetaData("float", SqlDbType.Float,
8, 53, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Float
new SqlMetaData("image", SqlDbType.Image,
x_lMax, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Image
new SqlMetaData("int", SqlDbType.Int,
4, 10, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Int
new SqlMetaData("money", SqlDbType.Money,
8, 19, 4, 0, SqlCompareOptions.None, false), // SqlDbType.Money
new SqlMetaData("nchar", SqlDbType.NChar,
1, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.NChar
new SqlMetaData("ntext", SqlDbType.NText,
x_lMax, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.NText
new SqlMetaData("nvarchar", SqlDbType.NVarChar,
x_lServerMaxUnicode, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.NVarChar
new SqlMetaData("real", SqlDbType.Real,
4, 24, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Real
new SqlMetaData("uniqueidentifier", SqlDbType.UniqueIdentifier,
16, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.UniqueIdentifier
new SqlMetaData("smalldatetime", SqlDbType.SmallDateTime,
4, 16, 0, 0, SqlCompareOptions.None, false), // SqlDbType.SmallDateTime
new SqlMetaData("smallint", SqlDbType.SmallInt,
2, 5, 0, 0, SqlCompareOptions.None, false), // SqlDbType.SmallInt
new SqlMetaData("smallmoney", SqlDbType.SmallMoney,
4, 10, 4, 0, SqlCompareOptions.None, false), // SqlDbType.SmallMoney
new SqlMetaData("text", SqlDbType.Text,
x_lMax, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.Text
new SqlMetaData("timestamp", SqlDbType.Timestamp,
8, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Timestamp
new SqlMetaData("tinyint", SqlDbType.TinyInt,
1, 3, 0, 0, SqlCompareOptions.None, false), // SqlDbType.TinyInt
new SqlMetaData("varbinary", SqlDbType.VarBinary,
x_lServerMaxBinary, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.VarBinary
new SqlMetaData("varchar", SqlDbType.VarChar,
x_lServerMaxANSI, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.VarChar
new SqlMetaData("sql_variant", SqlDbType.Variant,
8016, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Variant
new SqlMetaData("nvarchar", SqlDbType.NVarChar,
1, 0, 0, 0, x_eDefaultStringCompareOptions, false), // Placeholder for value 24
new SqlMetaData("xml", SqlDbType.Xml,
x_lMax, 0, 0, 0, x_eDefaultStringCompareOptions, true), // SqlDbType.Xml
new SqlMetaData("nvarchar", SqlDbType.NVarChar,
1, 0, 0, 0, x_eDefaultStringCompareOptions, false), // Placeholder for value 26
new SqlMetaData("nvarchar", SqlDbType.NVarChar,
x_lServerMaxUnicode, 0, 0, 0, x_eDefaultStringCompareOptions, false), // Placeholder for value 27
new SqlMetaData("nvarchar", SqlDbType.NVarChar,
x_lServerMaxUnicode, 0, 0, 0, x_eDefaultStringCompareOptions, false), // Placeholder for value 28
new SqlMetaData("udt", SqlDbType.Udt,
0, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Udt = 29
new SqlMetaData("table", SqlDbType.Structured,
0, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Structured
new SqlMetaData("date", SqlDbType.Date,
3, 10,0, 0, SqlCompareOptions.None, false), // SqlDbType.Date
new SqlMetaData("time", SqlDbType.Time,
5, 0, 7, 0, SqlCompareOptions.None, false), // SqlDbType.Time
new SqlMetaData("datetime2", SqlDbType.DateTime2,
8, 0, 7, 0, SqlCompareOptions.None, false), // SqlDbType.DateTime2
new SqlMetaData("datetimeoffset", SqlDbType.DateTimeOffset,
10, 0, 7, 0, SqlCompareOptions.None, false), // SqlDbType.DateTimeOffset
};
}
}
|