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