2 // System.Data.Common.TdsDataColumn.cs
5 // Tim Coleman (tim@timcoleman.com)
7 // Copyright (C) Tim Coleman, 2002
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 using System.Collections;
34 namespace Mono.Data.Tds.Protocol {
35 public class TdsDataColumn
39 public TdsDataColumn ()
42 IsAutoIncrement = false;
48 object bool_false = false;
50 this ["IsAutoIncrement"] = bool_false;
51 this ["IsIdentity"] = bool_false;
52 this ["IsRowVersion"] = bool_false;
53 this ["IsUnique"] = bool_false;
54 this ["IsHidden"] = bool_false;
60 public TdsColumnType? ColumnType {
65 public string ColumnName {
70 public int? ColumnSize {
75 public int? ColumnOrdinal {
80 public bool? IsAutoIncrement {
85 public bool? IsIdentity {
90 public bool? IsRowVersion {
95 public bool? IsUnique {
100 public bool? IsHidden {
110 public bool? IsAliased {
115 public bool? IsExpression {
120 public bool? IsReadOnly {
125 public short? NumericPrecision {
130 public short? NumericScale {
135 public string BaseServerName {
140 public string BaseCatalogName {
145 public string BaseColumnName {
150 public string BaseSchemaName {
155 public string BaseTableName {
160 public bool? AllowDBNull {
170 public int? SortOrder {
175 public string DataTypeName {
181 // This allows the storage of arbitrary properties in addition to the predefined ones
182 public object this [string key] {
184 if (properties == null)
186 return properties [key];
189 if (properties == null)
190 properties = new Hashtable ();
191 properties [key] = value;