forked from ThatRendle/Simple.Data
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathDataRecordExtensions.cs
More file actions
69 lines (59 loc) · 2.6 KB
/
DataRecordExtensions.cs
File metadata and controls
69 lines (59 loc) · 2.6 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
using System;
using System.Collections.Generic;
using System.Linq;
using System.Data;
using Simple.Data.Extensions;
namespace Simple.Data.Ado
{
public static class DataRecordExtensions
{
public static dynamic ToDynamicRecord(this IDataRecord dataRecord)
{
return ToDynamicRecord(dataRecord, null, null);
}
public static dynamic ToDynamicRecord(this IDataRecord dataRecord, IDictionary<string,int> index)
{
return ToDynamicRecord(dataRecord, index, null, null);
}
public static dynamic ToDynamicRecord(this IDataRecord dataRecord, string tableName, Database database)
{
return new SimpleRecord(dataRecord.ToDictionary(), tableName, database);
}
public static dynamic ToDynamicRecord(this IDataRecord dataRecord, IDictionary<string,int> index, string tableName, Database database)
{
return new SimpleRecord(dataRecord.ToDictionary(index), tableName, database);
}
public static IDictionary<string, object> ToDictionary(this IDataRecord dataRecord)
{
return dataRecord.ToDictionary(dataRecord.CreateDictionaryIndex());
// return dataRecord.GetFieldNames().ToDictionary(fieldName => fieldName.Homogenize(), fieldName => DBNullToClrNull(dataRecord[fieldName]));
}
public static IDictionary<string, object> ToDictionary(this IDataRecord dataRecord, IDictionary<string,int> index)
{
return OptimizedDictionary.Create(index,dataRecord.GetValues());
}
public static Dictionary<string, int> CreateDictionaryIndex(this IDataRecord reader)
{
var keys =
reader.GetFieldNames().Select((s, i) => new KeyValuePair<string, int>(s, i)).ToDictionary();
return new Dictionary<string, int>(keys, HomogenizedEqualityComparer.DefaultInstance);
}
public static IEnumerable<string> GetFieldNames(this IDataRecord dataRecord)
{
for (int i = 0; i < dataRecord.FieldCount; i++)
{
yield return dataRecord.GetName(i);
}
}
public static IEnumerable<object> GetValues(this IDataRecord dataRecord)
{
var values = new object[dataRecord.FieldCount];
dataRecord.GetValues(values);
return values.Replace(DBNull.Value, null);
}
private static object DBNullToClrNull(object value)
{
return value == DBNull.Value ? null : value;
}
}
}