forked from npgsql/npgsql
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathNpgsqlCopyFormat.cs
More file actions
75 lines (68 loc) · 2.43 KB
/
NpgsqlCopyFormat.cs
File metadata and controls
75 lines (68 loc) · 2.43 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
// Npgsql.NpgsqlCopyFormat.cs
//
// Author:
// Kalle Hallivuori <kato@iki.fi>
//
// Copyright (C) 2007 The Npgsql Development Team
// npgsql-general@gborg.postgresql.org
// http://gborg.postgresql.org/project/npgsql/projdisplay.php
//
// Copyright (c) 2002-2007, The Npgsql Development Team
//
// Permission to use, copy, modify, and distribute this software and its
// documentation for any purpose, without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph and the following two paragraphs appear in all copies.
//
// IN NO EVENT SHALL THE NPGSQL DEVELOPMENT TEAM BE LIABLE TO ANY PARTY
// FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
// INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
// DOCUMENTATION, EVEN IF THE NPGSQL DEVELOPMENT TEAM HAS BEEN ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
//
// THE NPGSQL DEVELOPMENT TEAM SPECIFICALLY DISCLAIMS ANY WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
// ON AN "AS IS" BASIS, AND THE NPGSQL DEVELOPMENT TEAM HAS NO OBLIGATIONS
// TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
using System;
namespace Npgsql
{
/// <summary>
/// Represents information about COPY operation data transfer format as returned by server.
/// </summary>
public sealed class NpgsqlCopyFormat
{
private readonly byte _copyFormat;
private readonly Int16[] _copyFieldFormats;
/// <summary>
/// Only created when a CopyInResponse or CopyOutResponse is received by NpgsqlState.ProcessBackendResponses()
/// </summary>
internal NpgsqlCopyFormat(byte copyFormat, Int16[] fieldFormats)
{
_copyFormat = copyFormat;
_copyFieldFormats = fieldFormats;
}
/// <summary>
/// Returns true if this operation is currently active and in binary format.
/// </summary>
public bool IsBinary
{
get { return _copyFormat != 0; }
}
/// <summary>
/// Returns true if this operation is currently active and field at given location is in binary format.
/// </summary>
public bool FieldIsBinary(int fieldNumber)
{
return _copyFieldFormats[fieldNumber] != 0;
}
/// <summary>
/// Returns number of fields if this operation is currently active, otherwise -1
/// </summary>
public int FieldCount
{
get { return _copyFieldFormats.Length; }
}
}
}