opensim – Blame information for rev 1

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1 eva 1 /*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27  
28 using Npgsql;
29 using System;
30 using System.Data;
31 using System.Data.Common;
32 using System.Reflection;
33  
34 namespace OpenSim.Data.PGSQL
35 {
36 public class PGSQLMigration : Migration
37 {
38 public PGSQLMigration(NpgsqlConnection conn, Assembly assem, string type)
39 : base(conn, assem, type)
40 {
41 }
42  
43 public PGSQLMigration(NpgsqlConnection conn, Assembly assem, string subtype, string type)
44 : base(conn, assem, subtype, type)
45 {
46 }
47  
48 protected override int FindVersion(DbConnection conn, string type)
49 {
50 int version = 0;
51 NpgsqlConnection lcConn = (NpgsqlConnection)conn;
52  
53 using (NpgsqlCommand cmd = lcConn.CreateCommand())
54 {
55 try
56 {
57 cmd.CommandText = "select version from migrations where name = '" + type + "' " +
58 " order by version desc limit 1"; //Must be
59 using (NpgsqlDataReader reader = cmd.ExecuteReader())
60 {
61 if (reader.Read())
62 {
63 version = Convert.ToInt32(reader["version"]);
64 }
65 reader.Close();
66 }
67 }
68 catch
69 {
70 // Return -1 to indicate table does not exist
71 return -1;
72 }
73 }
74 return version;
75 }
76  
77 protected override void ExecuteScript(DbConnection conn, string[] script)
78 {
79 if (!(conn is NpgsqlConnection))
80 {
81 base.ExecuteScript(conn, script);
82 return;
83 }
84  
85 foreach (string sql in script)
86 {
87 try
88 {
89 using (NpgsqlCommand cmd = new NpgsqlCommand(sql, (NpgsqlConnection)conn))
90 {
91 cmd.ExecuteNonQuery();
92 }
93 }
94 catch (Exception)
95 {
96 throw new Exception(sql);
97  
98 }
99 }
100 }
101 }
102 }