opensim-development – 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 System; |
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29 | using System.Collections.Generic; |
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30 | using System.Data; |
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31 | using System.IO; |
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32 | using System.Reflection; |
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33 | using OpenSim.Framework; |
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34 | using log4net; |
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35 | using OpenMetaverse; |
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36 | using Npgsql; |
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37 | using NpgsqlTypes; |
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38 | |||
39 | namespace OpenSim.Data.PGSQL |
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40 | { |
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41 | /// <summary> |
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42 | /// A management class for the MS SQL Storage Engine |
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43 | /// </summary> |
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44 | public class PGSQLManager |
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45 | { |
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46 | // private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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47 | |||
48 | /// <summary> |
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49 | /// Connection string for ADO.net |
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50 | /// </summary> |
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51 | private readonly string connectionString; |
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52 | |||
53 | /// <summary> |
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54 | /// Initialize the manager and set the connectionstring |
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55 | /// </summary> |
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56 | /// <param name="connection"></param> |
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57 | public PGSQLManager(string connection) |
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58 | { |
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59 | connectionString = connection; |
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60 | InitializeMonoSecurity(); |
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61 | } |
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62 | |||
63 | public void InitializeMonoSecurity() |
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64 | { |
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65 | if (!Util.IsPlatformMono) |
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66 | { |
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67 | if (AppDomain.CurrentDomain.GetData("MonoSecurityPostgresAdded") == null) |
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68 | { |
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69 | AppDomain.CurrentDomain.SetData("MonoSecurityPostgresAdded", "true"); |
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70 | |||
71 | AppDomain currentDomain = AppDomain.CurrentDomain; |
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72 | currentDomain.AssemblyResolve += new ResolveEventHandler(ResolveEventHandlerMonoSec); |
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73 | } |
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74 | } |
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75 | } |
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76 | |||
77 | private System.Reflection.Assembly ResolveEventHandlerMonoSec(object sender, ResolveEventArgs args) |
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78 | { |
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79 | Assembly MyAssembly = null; |
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80 | |||
81 | if (args.Name.Substring(0, args.Name.IndexOf(",")) == "Mono.Security") |
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82 | { |
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83 | MyAssembly = Assembly.LoadFrom("lib/NET/Mono.Security.dll"); |
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84 | } |
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85 | |||
86 | //Return the loaded assembly. |
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87 | return MyAssembly; |
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88 | } |
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89 | |||
90 | /// <summary> |
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91 | /// Type conversion to a SQLDbType functions |
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92 | /// </summary> |
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93 | /// <param name="type"></param> |
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94 | /// <returns></returns> |
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95 | internal NpgsqlDbType DbtypeFromType(Type type) |
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96 | { |
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97 | if (type == typeof(string)) |
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98 | { |
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99 | return NpgsqlDbType.Varchar; |
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100 | } |
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101 | if (type == typeof(double)) |
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102 | { |
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103 | return NpgsqlDbType.Double; |
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104 | } |
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105 | if (type == typeof(Single)) |
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106 | { |
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107 | return NpgsqlDbType.Double; |
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108 | } |
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109 | if (type == typeof(int)) |
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110 | { |
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111 | return NpgsqlDbType.Integer; |
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112 | } |
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113 | if (type == typeof(bool)) |
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114 | { |
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115 | return NpgsqlDbType.Boolean; |
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116 | } |
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117 | if (type == typeof(UUID)) |
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118 | { |
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119 | return NpgsqlDbType.Uuid; |
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120 | } |
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121 | if (type == typeof(byte)) |
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122 | { |
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123 | return NpgsqlDbType.Smallint; |
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124 | } |
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125 | if (type == typeof(sbyte)) |
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126 | { |
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127 | return NpgsqlDbType.Integer; |
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128 | } |
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129 | if (type == typeof(Byte[])) |
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130 | { |
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131 | return NpgsqlDbType.Bytea; |
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132 | } |
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133 | if (type == typeof(uint) || type == typeof(ushort)) |
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134 | { |
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135 | return NpgsqlDbType.Integer; |
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136 | } |
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137 | if (type == typeof(ulong)) |
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138 | { |
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139 | return NpgsqlDbType.Bigint; |
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140 | } |
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141 | if (type == typeof(DateTime)) |
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142 | { |
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143 | return NpgsqlDbType.Timestamp; |
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144 | } |
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145 | |||
146 | return NpgsqlDbType.Varchar; |
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147 | } |
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148 | |||
149 | internal NpgsqlDbType DbtypeFromString(Type type, string PGFieldType) |
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150 | { |
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151 | if (PGFieldType == "") |
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152 | { |
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153 | return DbtypeFromType(type); |
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154 | } |
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155 | |||
156 | if (PGFieldType == "character varying") |
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157 | { |
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158 | return NpgsqlDbType.Varchar; |
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159 | } |
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160 | if (PGFieldType == "double precision") |
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161 | { |
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162 | return NpgsqlDbType.Double; |
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163 | } |
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164 | if (PGFieldType == "integer") |
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165 | { |
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166 | return NpgsqlDbType.Integer; |
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167 | } |
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168 | if (PGFieldType == "smallint") |
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169 | { |
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170 | return NpgsqlDbType.Smallint; |
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171 | } |
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172 | if (PGFieldType == "boolean") |
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173 | { |
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174 | return NpgsqlDbType.Boolean; |
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175 | } |
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176 | if (PGFieldType == "uuid") |
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177 | { |
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178 | return NpgsqlDbType.Uuid; |
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179 | } |
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180 | if (PGFieldType == "bytea") |
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181 | { |
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182 | return NpgsqlDbType.Bytea; |
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183 | } |
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184 | |||
185 | return DbtypeFromType(type); |
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186 | } |
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187 | |||
188 | /// <summary> |
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189 | /// Creates value for parameter. |
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190 | /// </summary> |
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191 | /// <param name="value">The value.</param> |
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192 | /// <returns></returns> |
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193 | private static object CreateParameterValue(object value) |
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194 | { |
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195 | Type valueType = value.GetType(); |
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196 | |||
197 | if (valueType == typeof(UUID)) //TODO check if this works |
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198 | { |
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199 | return ((UUID) value).Guid; |
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200 | } |
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201 | if (valueType == typeof(UUID)) |
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202 | { |
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203 | return ((UUID)value).Guid; |
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204 | } |
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205 | if (valueType == typeof(bool)) |
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206 | { |
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207 | return (bool)value; |
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208 | } |
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209 | if (valueType == typeof(Byte[])) |
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210 | { |
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211 | return value; |
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212 | } |
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213 | if (valueType == typeof(int)) |
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214 | { |
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215 | return value; |
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216 | } |
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217 | return value; |
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218 | } |
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219 | |||
220 | /// <summary> |
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221 | /// Create value for parameter based on PGSQL Schema |
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222 | /// </summary> |
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223 | /// <param name="value"></param> |
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224 | /// <param name="PGFieldType"></param> |
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225 | /// <returns></returns> |
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226 | internal static object CreateParameterValue(object value, string PGFieldType) |
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227 | { |
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228 | if (PGFieldType == "uuid") |
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229 | { |
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230 | UUID uidout; |
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231 | UUID.TryParse(value.ToString(), out uidout); |
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232 | return uidout; |
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233 | } |
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234 | if (PGFieldType == "integer") |
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235 | { |
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236 | int intout; |
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237 | int.TryParse(value.ToString(), out intout); |
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238 | return intout; |
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239 | } |
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240 | if (PGFieldType == "boolean") |
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241 | { |
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242 | return (value.ToString() == "true"); |
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243 | } |
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244 | if (PGFieldType == "timestamp with time zone") |
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245 | { |
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246 | return (DateTime)value; |
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247 | } |
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248 | if (PGFieldType == "timestamp without time zone") |
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249 | { |
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250 | return (DateTime)value; |
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251 | } |
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252 | return CreateParameterValue(value); |
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253 | } |
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254 | |||
255 | /// <summary> |
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256 | /// Create a parameter for a command |
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257 | /// </summary> |
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258 | /// <param name="parameterName">Name of the parameter.</param> |
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259 | /// <param name="parameterObject">parameter object.</param> |
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260 | /// <returns></returns> |
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261 | internal NpgsqlParameter CreateParameter(string parameterName, object parameterObject) |
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262 | { |
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263 | return CreateParameter(parameterName, parameterObject, false); |
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264 | } |
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265 | |||
266 | /// <summary> |
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267 | /// Creates the parameter for a command. |
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268 | /// </summary> |
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269 | /// <param name="parameterName">Name of the parameter.</param> |
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270 | /// <param name="parameterObject">parameter object.</param> |
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271 | /// <param name="parameterOut">if set to <c>true</c> parameter is a output parameter</param> |
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272 | /// <returns></returns> |
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273 | internal NpgsqlParameter CreateParameter(string parameterName, object parameterObject, bool parameterOut) |
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274 | { |
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275 | //Tweak so we dont always have to add : sign |
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276 | if (parameterName.StartsWith(":")) parameterName = parameterName.Replace(":",""); |
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277 | |||
278 | //HACK if object is null, it is turned into a string, there are no nullable type till now |
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279 | if (parameterObject == null) parameterObject = ""; |
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280 | |||
281 | NpgsqlParameter parameter = new NpgsqlParameter(parameterName, DbtypeFromType(parameterObject.GetType())); |
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282 | |||
283 | if (parameterOut) |
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284 | { |
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285 | parameter.Direction = ParameterDirection.Output; |
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286 | } |
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287 | else |
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288 | { |
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289 | parameter.Direction = ParameterDirection.Input; |
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290 | parameter.Value = CreateParameterValue(parameterObject); |
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291 | } |
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292 | |||
293 | return parameter; |
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294 | } |
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295 | |||
296 | /// <summary> |
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297 | /// Create a parameter with PGSQL schema type |
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298 | /// </summary> |
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299 | /// <param name="parameterName"></param> |
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300 | /// <param name="parameterObject"></param> |
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301 | /// <param name="PGFieldType"></param> |
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302 | /// <returns></returns> |
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303 | internal NpgsqlParameter CreateParameter(string parameterName, object parameterObject, string PGFieldType) |
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304 | { |
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305 | //Tweak so we dont always have to add : sign |
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306 | if (parameterName.StartsWith(":")) parameterName = parameterName.Replace(":", ""); |
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307 | |||
308 | //HACK if object is null, it is turned into a string, there are no nullable type till now |
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309 | if (parameterObject == null) parameterObject = ""; |
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310 | |||
311 | NpgsqlParameter parameter = new NpgsqlParameter(parameterName, DbtypeFromString(parameterObject.GetType(), PGFieldType)); |
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312 | |||
313 | parameter.Direction = ParameterDirection.Input; |
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314 | parameter.Value = CreateParameterValue(parameterObject, PGFieldType); |
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315 | |||
316 | return parameter; |
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317 | } |
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318 | |||
319 | /// <summary> |
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320 | /// Checks if we need to do some migrations to the database |
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321 | /// </summary> |
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322 | /// <param name="migrationStore">migrationStore.</param> |
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323 | public void CheckMigration(string migrationStore) |
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324 | { |
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325 | using (NpgsqlConnection connection = new NpgsqlConnection(connectionString)) |
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326 | { |
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327 | connection.Open(); |
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328 | Assembly assem = GetType().Assembly; |
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329 | PGSQLMigration migration = new PGSQLMigration(connection, assem, migrationStore); |
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330 | |||
331 | migration.Update(); |
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332 | } |
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333 | } |
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334 | |||
335 | /// <summary> |
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336 | /// Returns the version of this DB provider |
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337 | /// </summary> |
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338 | /// <returns>A string containing the DB provider</returns> |
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339 | public string getVersion() |
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340 | { |
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341 | Module module = GetType().Module; |
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342 | // string dllName = module.Assembly.ManifestModule.Name; |
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343 | Version dllVersion = module.Assembly.GetName().Version; |
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344 | |||
345 | return |
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346 | string.Format("{0}.{1}.{2}.{3}", dllVersion.Major, dllVersion.Minor, dllVersion.Build, |
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347 | dllVersion.Revision); |
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348 | } |
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349 | } |
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350 | } |