2 // System.Data.OleDb.OleDbConvert
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5 // Konstantin Triger <kostat@mainsoft.com>
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6 // Boris Kirzner <borisk@mainsoft.com>
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8 // (C) 2005 Mainsoft Corporation (http://www.mainsoft.com)
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12 // Permission is hereby granted, free of charge, to any person obtaining
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13 // a copy of this software and associated documentation files (the
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14 // "Software"), to deal in the Software without restriction, including
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15 // without limitation the rights to use, copy, modify, merge, publish,
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16 // distribute, sublicense, and/or sell copies of the Software, and to
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17 // permit persons to whom the Software is furnished to do so, subject to
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18 // the following conditions:
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20 // The above copyright notice and this permission notice shall be
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21 // included in all copies or substantial portions of the Software.
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23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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34 using System.Collections;
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35 using System.Data.Common;
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36 using System.Data.ProviderBase;
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40 namespace System.Data.OleDb
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42 internal sealed class OleDbConvert : DbConvert
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46 private static Hashtable _typeNamesMap;
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48 #endregion // Fields
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50 #region Constructors
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52 static OleDbConvert()
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54 _typeNamesMap = new Hashtable(30,CaseInsensitiveHashCodeProvider.DefaultInvariant, CaseInsensitiveComparer.DefaultInvariant);
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56 // SqlServer types mapping
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57 // _typeNamesMap.Add("numeric(3, 0)1","DBTYPE_I1");
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58 _typeNamesMap.Add("smallint","DBTYPE_I2");
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59 _typeNamesMap.Add("Int","DBTYPE_I4");
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60 _typeNamesMap.Add("bigint","DBTYPE_I8");
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61 _typeNamesMap.Add("tinyint","DBTYPE_UI1");
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62 // _typeNamesMap.Add("numeric(5,0)","DBTYPE_UI2");
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63 // _typeNamesMap.Add("numeric(10,0)","DBTYPE_UI4");
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64 // _typeNamesMap.Add("numeric(20,0)","DBTYPE_UI8");
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65 _typeNamesMap.Add("Float","DBTYPE_R8");
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66 _typeNamesMap.Add("Real","DBTYPE_R4");
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67 _typeNamesMap.Add("numeric","DBTYPE_NUMERIC");
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68 _typeNamesMap.Add("decimal","DBTYPE_NUMERIC");
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69 _typeNamesMap.Add("money","DBTYPE_CY");
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70 _typeNamesMap.Add("smallmoney","DBTYPE_CY");
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71 _typeNamesMap.Add("ntext","DBTYPE_WLONGVARCHAR");
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72 _typeNamesMap.Add("nchar","DBTYPE_WCHAR");
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73 _typeNamesMap.Add("nvarchar","DBTYPE_WVARCHAR");
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74 _typeNamesMap.Add("Bit","DBTYPE_BOOL");
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75 // _typeNamesMap.Add("nvarchar(4000)","DBTYPE_VARIANT");
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76 _typeNamesMap.Add("sql_variant","DBTYPE_VARIANT");
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77 _typeNamesMap.Add("uniqueidentifier","DBTYPE_GUID");
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78 _typeNamesMap.Add("image","DBTYPE_LONGVARBINARY");
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79 _typeNamesMap.Add("timestamp","DBTYPE_BINARY");
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80 _typeNamesMap.Add("binary","DBTYPE_BINARY");
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81 _typeNamesMap.Add("varbinary","DBTYPE_VARBINARY");
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82 _typeNamesMap.Add("char","DBTYPE_CHAR");
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83 _typeNamesMap.Add("varchar","DBTYPE_VARCHAR");
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84 _typeNamesMap.Add("text","DBTYPE_LONGVARCHAR");
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85 // _typeNamesMap.Add("nchar","DBTYPE_WSTR");
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86 // _typeNamesMap.Add("nvarchar","DBTYPE_WSTR");
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87 // _typeNamesMap.Add("ntext","DBTYPE_WSTR");
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88 // _typeNamesMap.Add("datetime","DBTYPE_DATE");
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89 _typeNamesMap.Add("datetime","DBTYPE_DBTIMESTAMP");
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90 _typeNamesMap.Add("smalldatetime","DBTYPE_DBTIMESTAMP");
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91 _typeNamesMap.Add("Ignored","DBTYPE_BYREF");
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94 #endregion //Constructors
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98 internal static String JdbcTypeNameToDbTypeName(string jdbcTypeName)
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100 jdbcTypeName = jdbcTypeName.Trim();
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101 string dbTypeName = (string)_typeNamesMap[jdbcTypeName];
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103 return (dbTypeName != null) ? dbTypeName : jdbcTypeName;
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106 internal static OleDbType JdbcTypeToOleDbType(int jdbcType)
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108 switch ((JavaSqlTypes)jdbcType) {
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109 case JavaSqlTypes.ARRAY: return OleDbType.Binary;
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110 case JavaSqlTypes.BIGINT: return OleDbType.BigInt;
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111 case JavaSqlTypes.BINARY: return OleDbType.Binary;
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112 case JavaSqlTypes.BIT: return OleDbType.Boolean;
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113 case JavaSqlTypes.BLOB: return OleDbType.Binary;
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114 case JavaSqlTypes.BOOLEAN: return OleDbType.Boolean;
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115 case JavaSqlTypes.CHAR: return OleDbType.Char;
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116 case JavaSqlTypes.CLOB: return OleDbType.LongVarWChar;
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117 case JavaSqlTypes.DATALINK: return OleDbType.IUnknown;
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118 case JavaSqlTypes.DATE: return OleDbType.DBDate;
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119 case JavaSqlTypes.DECIMAL: return OleDbType.Decimal;
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120 case JavaSqlTypes.DISTINCT: return OleDbType.IUnknown;
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121 case JavaSqlTypes.DOUBLE: return OleDbType.Double;
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122 case JavaSqlTypes.FLOAT: return OleDbType.Double;
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123 case JavaSqlTypes.INTEGER: return OleDbType.Integer;
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124 case JavaSqlTypes.JAVA_OBJECT: return OleDbType.IUnknown;
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125 case JavaSqlTypes.LONGVARBINARY: return OleDbType.LongVarBinary;
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126 case JavaSqlTypes.LONGVARCHAR: return OleDbType.LongVarWChar;
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127 case JavaSqlTypes.NULL: return OleDbType.Empty;
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128 case JavaSqlTypes.NUMERIC: return OleDbType.Numeric;
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130 case JavaSqlTypes.OTHER: return OleDbType.IUnknown;
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131 case JavaSqlTypes.REAL: return OleDbType.Single;
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132 case JavaSqlTypes.REF: return OleDbType.IUnknown;
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133 case JavaSqlTypes.SMALLINT: return OleDbType.SmallInt;
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134 case JavaSqlTypes.STRUCT: return OleDbType.IUnknown;
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135 case JavaSqlTypes.TIME: return OleDbType.DBTime;
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136 case JavaSqlTypes.TIMESTAMP: return OleDbType.DBTimeStamp;
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137 case JavaSqlTypes.TINYINT: return OleDbType.TinyInt;
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138 case JavaSqlTypes.VARBINARY: return OleDbType.VarBinary;
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139 case JavaSqlTypes.VARCHAR: return OleDbType.VarChar;
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143 internal static OleDbType ValueTypeToOleDbType(Type type)
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145 switch (Type.GetTypeCode(type)) {
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146 case TypeCode.Boolean: return OleDbType.Boolean;
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147 case TypeCode.Byte: return OleDbType.UnsignedTinyInt;
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148 case TypeCode.Char: return OleDbType.Char;
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149 case TypeCode.DateTime: return OleDbType.Date;
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150 case TypeCode.DBNull: return OleDbType.Empty;
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151 case TypeCode.Decimal: return OleDbType.Decimal;
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152 case TypeCode.Double: return OleDbType.Double;
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153 case TypeCode.Empty: return OleDbType.Empty;
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154 case TypeCode.Int16: return OleDbType.SmallInt;
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155 case TypeCode.Int32: return OleDbType.Integer;
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156 case TypeCode.Int64: return OleDbType.BigInt;
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158 case TypeCode.Object: {
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159 if (type.Equals(DbTypes.TypeOfByteArray)) return OleDbType.Binary;
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160 if (type.Equals(DbTypes.TypeOfTimespan)) return OleDbType.DBTime;
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161 if (type.Equals(DbTypes.TypeOfGuid)) return OleDbType.Guid;
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164 return ValueTypeToOleDbType (Enum.GetUnderlyingType (type));
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166 return OleDbType.IUnknown;
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168 case TypeCode.SByte: return OleDbType.TinyInt;
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169 case TypeCode.Single: return OleDbType.Single;
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170 case TypeCode.String: return OleDbType.VarWChar;
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171 case TypeCode.UInt16: return OleDbType.UnsignedSmallInt;
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172 case TypeCode.UInt32: return OleDbType.UnsignedInt;
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173 case TypeCode.UInt64: return OleDbType.UnsignedBigInt;
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177 internal static Type OleDbTypeToValueType(OleDbType oleDbType)
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179 switch (oleDbType) {
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180 case OleDbType.BigInt : return DbTypes.TypeOfInt64;// typeof(long);
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181 case OleDbType.Binary : return DbTypes.TypeOfByteArray;
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182 case OleDbType.Boolean : return DbTypes.TypeOfBoolean;
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183 case OleDbType.BSTR : return DbTypes.TypeOfString;
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184 case OleDbType.Char : return DbTypes.TypeOfString;
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185 case OleDbType.Currency : return DbTypes.TypeOfDecimal;
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186 case OleDbType.Date : return DbTypes.TypeOfDateTime;
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187 case OleDbType.DBDate : return DbTypes.TypeOfDateTime;
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188 case OleDbType.DBTime : return DbTypes.TypeOfTimespan;
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189 case OleDbType.DBTimeStamp : return DbTypes.TypeOfDateTime;
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190 case OleDbType.Decimal : return DbTypes.TypeOfDecimal;
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191 case OleDbType.Double : return DbTypes.TypeOfDouble;
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192 case OleDbType.Empty : return null; //typeof(DBNull);
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193 case OleDbType.Error : return typeof(Exception);
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194 case OleDbType.Filetime : return DbTypes.TypeOfDateTime;
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195 case OleDbType.Guid : return DbTypes.TypeOfGuid;
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196 case OleDbType.IDispatch : return DbTypes.TypeOfObject;
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197 case OleDbType.Integer : return DbTypes.TypeOfInt32;
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198 case OleDbType.IUnknown : return DbTypes.TypeOfObject;
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199 case OleDbType.LongVarBinary : return DbTypes.TypeOfByteArray;
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200 case OleDbType.LongVarChar : return DbTypes.TypeOfString;
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201 case OleDbType.LongVarWChar : return DbTypes.TypeOfString;
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202 case OleDbType.Numeric : return DbTypes.TypeOfDecimal;
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203 case OleDbType.PropVariant : return DbTypes.TypeOfObject;
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204 case OleDbType.Single : return DbTypes.TypeOfFloat;
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205 case OleDbType.SmallInt : return DbTypes.TypeOfInt16;
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206 case OleDbType.TinyInt : return DbTypes.TypeOfSByte;
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207 case OleDbType.UnsignedBigInt : return DbTypes.TypeOfUInt64;
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208 case OleDbType.UnsignedInt : return DbTypes.TypeOfUInt32;
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209 case OleDbType.UnsignedSmallInt : return DbTypes.TypeOfUInt16;
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210 case OleDbType.UnsignedTinyInt : return DbTypes.TypeOfByte;
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211 case OleDbType.VarBinary : return DbTypes.TypeOfByteArray;
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212 case OleDbType.VarChar : return DbTypes.TypeOfString;
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213 case OleDbType.Variant : return DbTypes.TypeOfObject;
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214 case OleDbType.VarNumeric : return DbTypes.TypeOfDecimal;
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215 case OleDbType.VarWChar : return DbTypes.TypeOfString;
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216 case OleDbType.WChar : return DbTypes.TypeOfString;
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217 default : return DbTypes.TypeOfObject;
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221 internal static OleDbType DbTypeToOleDbType(DbType dbType)
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224 case DbType.AnsiString : return OleDbType.VarChar;
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225 case DbType.Binary : return OleDbType.VarBinary;
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226 case DbType.Byte : return OleDbType.UnsignedTinyInt;
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227 case DbType.Boolean : return OleDbType.Boolean;
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228 case DbType.Currency : return OleDbType.Currency;
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229 case DbType.Date : return OleDbType.DBDate;
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230 case DbType.DateTime : return OleDbType.DBTimeStamp;
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231 case DbType.Decimal : return OleDbType.Decimal;
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232 case DbType.Double : return OleDbType.Double;
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233 case DbType.Guid : return OleDbType.Guid;
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234 case DbType.Int16 : return OleDbType.SmallInt;
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235 case DbType.Int32 : return OleDbType.Integer;
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236 case DbType.Int64 : return OleDbType.BigInt;
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237 case DbType.Object : return OleDbType.Variant;
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238 case DbType.SByte : return OleDbType.TinyInt;
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239 case DbType.Single : return OleDbType.Single;
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240 case DbType.String : return OleDbType.VarWChar;
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241 case DbType.Time : return OleDbType.DBTime;
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242 case DbType.UInt16 : return OleDbType.UnsignedSmallInt;
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243 case DbType.UInt32 : return OleDbType.UnsignedInt;
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244 case DbType.UInt64 : return OleDbType.UnsignedBigInt;
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245 case DbType.VarNumeric : return OleDbType.VarNumeric;
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246 case DbType.AnsiStringFixedLength : return OleDbType.Char;
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247 case DbType.StringFixedLength : return OleDbType.WChar;
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248 default : throw ExceptionHelper.InvalidDbType((int)dbType);
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252 internal static DbType OleDbTypeToDbType(OleDbType oleDbType)
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254 switch (oleDbType) {
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255 case OleDbType.Empty : return DbType.Object;
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256 case OleDbType.SmallInt : return DbType.Int16;
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257 case OleDbType.Integer : return DbType.Int32;
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258 case OleDbType.Single : return DbType.Single;
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259 case OleDbType.Double : return DbType.Double;
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260 case OleDbType.Currency : return DbType.Currency;
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261 case OleDbType.Date : return DbType.DateTime;
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262 case OleDbType.BSTR : return DbType.String;
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263 case OleDbType.IDispatch : return DbType.Object;
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264 case OleDbType.Error : return DbType.Object;
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265 case OleDbType.Boolean : return DbType.Boolean;
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266 case OleDbType.Variant : return DbType.Object;
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267 case OleDbType.IUnknown : return DbType.Object;
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268 case OleDbType.Decimal : return DbType.Decimal;
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269 case OleDbType.TinyInt : return DbType.SByte;
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270 case OleDbType.UnsignedTinyInt : return DbType.Byte;
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271 case OleDbType.UnsignedSmallInt : return DbType.UInt16;
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272 case OleDbType.UnsignedInt : return DbType.UInt32;
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273 case OleDbType.BigInt : return DbType.Int64;
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274 case OleDbType.UnsignedBigInt : return DbType.UInt64;
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275 case OleDbType.Filetime : return DbType.DateTime;
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276 case OleDbType.Guid : return DbType.Guid;
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277 case OleDbType.Binary : return DbType.Binary;
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278 case OleDbType.Char : return DbType.AnsiStringFixedLength;
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279 case OleDbType.WChar : return DbType.StringFixedLength;
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280 case OleDbType.Numeric : return DbType.Decimal;
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281 case OleDbType.DBDate : return DbType.Date;
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282 case OleDbType.DBTime : return DbType.Time;
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283 case OleDbType.DBTimeStamp : return DbType.DateTime;
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284 case OleDbType.PropVariant : return DbType.Object;
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285 case OleDbType.VarNumeric : return DbType.VarNumeric;
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286 case OleDbType.VarChar : return DbType.AnsiString;
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287 case OleDbType.LongVarChar : return DbType.AnsiString;
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288 case OleDbType.VarWChar : return DbType.String;
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289 case OleDbType.LongVarWChar : return DbType.String;
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290 case OleDbType.VarBinary : return DbType.Binary;
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291 case OleDbType.LongVarBinary : return DbType.Binary;
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292 default : throw ExceptionHelper.InvalidOleDbType((int)oleDbType);
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296 internal static int OleDbTypeToJdbcType(OleDbType oleDbType)
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298 switch(oleDbType) {
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299 case OleDbType.BigInt : return Types.BIGINT;
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300 case OleDbType.Binary : return Types.BINARY;
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301 case OleDbType.Boolean : return Types.BIT;
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302 case OleDbType.BSTR : return Types.VARCHAR;
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303 case OleDbType.Char : return Types.CHAR;
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304 case OleDbType.Currency : return Types.DECIMAL;
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305 case OleDbType.Date : return Types.TIMESTAMP;
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306 case OleDbType.DBDate : return Types.DATE;
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307 case OleDbType.DBTime : return Types.TIME;
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308 case OleDbType.DBTimeStamp : return Types.TIMESTAMP;
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309 case OleDbType.Decimal : return Types.DECIMAL;
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310 case OleDbType.Double : return Types.DOUBLE;
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311 case OleDbType.Empty : return Types.NULL;
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312 case OleDbType.Error : return Types.OTHER;
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313 case OleDbType.Filetime : return Types.TIMESTAMP;
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314 case OleDbType.Guid : return Types.CHAR;
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315 case OleDbType.IDispatch : return Types.OTHER; //throw new ArgumentException("The " + oleDbType + " OleDbType value is not supported.");
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316 case OleDbType.Integer : return Types.INTEGER;
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317 case OleDbType.IUnknown : return Types.OTHER; //throw new ArgumentException("The " + oleDbType + " OleDbType value is not supported.");
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318 case OleDbType.LongVarBinary : return Types.LONGVARBINARY;
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319 case OleDbType.LongVarChar : return Types.LONGVARCHAR;
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320 case OleDbType.LongVarWChar : return Types.LONGVARCHAR;
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321 case OleDbType.Numeric : return Types.NUMERIC;
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322 case OleDbType.PropVariant : return Types.OTHER;
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323 case OleDbType.Single : return Types.FLOAT;
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324 case OleDbType.SmallInt : return Types.SMALLINT;
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325 case OleDbType.TinyInt : return Types.TINYINT;
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326 case OleDbType.UnsignedBigInt : return Types.BIGINT;
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327 case OleDbType.UnsignedInt : return Types.INTEGER;
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328 case OleDbType.UnsignedSmallInt : return Types.SMALLINT;
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329 case OleDbType.UnsignedTinyInt : return Types.TINYINT;
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330 case OleDbType.VarBinary : return Types.VARBINARY;
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331 case OleDbType.VarChar : return Types.VARCHAR;
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332 case OleDbType.Variant : return Types.VARCHAR;
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333 case OleDbType.VarNumeric : return Types.DECIMAL;
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334 case OleDbType.VarWChar : return Types.VARCHAR;
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335 case OleDbType.WChar : return Types.VARCHAR;
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336 default : throw ExceptionHelper.InvalidOleDbType((int)oleDbType);
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339 #endregion // Methods
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projects / mono.git / blob