SqlConvert.cs 11 KB

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  1. //
  2. // System.Data.SqlClient.SqlConvert
  3. //
  4. //
  5. // Authors:
  6. // Konstantin Triger <[email protected]>
  7. // Boris Kirzner <[email protected]>
  8. //
  9. // (C) 2005 Mainsoft Corporation (http://www.mainsoft.com)
  10. //
  11. //
  12. // Permission is hereby granted, free of charge, to any person obtaining
  13. // a copy of this software and associated documentation files (the
  14. // "Software"), to deal in the Software without restriction, including
  15. // without limitation the rights to use, copy, modify, merge, publish,
  16. // distribute, sublicense, and/or sell copies of the Software, and to
  17. // permit persons to whom the Software is furnished to do so, subject to
  18. // the following conditions:
  19. //
  20. // The above copyright notice and this permission notice shall be
  21. // included in all copies or substantial portions of the Software.
  22. //
  23. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24. // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25. // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26. // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27. // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28. // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29. // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30. //
  31. using System;
  32. using System.Data.Common;
  33. using java.sql;
  34. namespace System.Data.SqlClient
  35. {
  36. internal sealed class SqlConvert : DbConvert
  37. {
  38. #region Methods
  39. internal static String JdbcTypeNameToDbTypeName(string jdbcTypeName)
  40. {
  41. return jdbcTypeName.Trim();
  42. }
  43. internal static SqlDbType JdbcTypeToSqlDbType(int jdbcType)
  44. {
  45. // FIXME : other java.sql.Type
  46. // Types.ARRAY
  47. if(Types.BIGINT == jdbcType) return SqlDbType.BigInt;
  48. if(Types.BINARY == jdbcType) return SqlDbType.Binary;
  49. if(Types.BIT == jdbcType) return SqlDbType.Bit;
  50. if(Types.BLOB == jdbcType) return SqlDbType.Binary;
  51. // Types.BOOLEAN
  52. if(Types.CHAR == jdbcType) return SqlDbType.Char;
  53. if(Types.CLOB == jdbcType) return SqlDbType.Binary;
  54. if(Types.DATE == jdbcType) return SqlDbType.DateTime;
  55. if(Types.DECIMAL == jdbcType) return SqlDbType.Decimal;
  56. // Types.DISTINCT
  57. if(Types.DOUBLE == jdbcType) return SqlDbType.Float;
  58. if(Types.FLOAT == jdbcType) return SqlDbType.Float;
  59. if(Types.INTEGER == jdbcType) return SqlDbType.Int;
  60. // Types.JAVA_OBJECT
  61. if(Types.LONGVARBINARY == jdbcType) return SqlDbType.Image;
  62. if(Types.LONGVARCHAR == jdbcType) return SqlDbType.Text;
  63. // Types.NULL
  64. if(Types.NUMERIC == jdbcType) return SqlDbType.Decimal;
  65. if(Types.REAL == jdbcType) return SqlDbType.Real;
  66. // Types.REF
  67. if(Types.SMALLINT == jdbcType) return SqlDbType.SmallInt;
  68. // Types.STRUCT
  69. if(Types.TIME == jdbcType) return SqlDbType.Timestamp;
  70. if(Types.TIMESTAMP == jdbcType) return SqlDbType.Timestamp;
  71. if(Types.TINYINT == jdbcType) return SqlDbType.TinyInt;
  72. if(Types.VARBINARY == jdbcType) return SqlDbType.VarBinary;
  73. if(Types.VARCHAR == jdbcType) return SqlDbType.VarChar;
  74. return SqlDbType.Variant;
  75. }
  76. internal static SqlDbType ValueTypeToSqlDbType(Type type)
  77. {
  78. if (type.Equals(typeof(byte[]))) return SqlDbType.VarBinary;
  79. if (type.Equals(typeof(bool))) return SqlDbType.Bit;
  80. // if (type.Equals(typeof(string))) return OleDbType.BSTR;
  81. // if (type.Equals(typeof(string))) return OleDbType.Char;
  82. // if (type.Equals(typeof(decimal))) return OleDbType.Currency;
  83. if (type.Equals(typeof(DateTime))) return SqlDbType.DateTime;
  84. // if (type.Equals(typeof(DateTime))) return OleDbType.DBDate;
  85. // if (type.Equals(typeof(TimeSpan))) return OleDbType.DBTime;
  86. // if (type.Equals(typeof(DateTime))) return OleDbType.DBTimeStamp;
  87. if (type.Equals(typeof(decimal))) return SqlDbType.Decimal;
  88. // if (type.Equals(typeof(int))) return OleDbType.Error;
  89. // if (type.Equals(typeof(DateTime))) return OleDbType.Filetime;
  90. if (type.Equals(typeof(Guid))) return SqlDbType.UniqueIdentifier;
  91. // if (type.Equals(typeof(short))) return OleDbType.TinyInt;
  92. if (type.Equals(typeof(short))) return SqlDbType.SmallInt;
  93. if (type.Equals(typeof(int))) return SqlDbType.Int;
  94. if (type.Equals(typeof(long))) return SqlDbType.BigInt;
  95. // if (type.Equals(typeof(object))) return OleDbType.IDispatch;
  96. // if (type.Equals(typeof(object))) return OleDbType.IUnknown;
  97. // if (type.Equals(typeof(byte[]))) return OleDbType.LongVarBinary;
  98. // if (type.Equals(typeof(string))) return OleDbType.LongVarChar;
  99. // if (type.Equals(typeof(decimal))) return OleDbType.Numeric;
  100. // if (type.Equals(typeof(object))) return OleDbType.PropVariant;
  101. if (type.Equals(typeof(float))) return SqlDbType.Float;
  102. if (type.Equals(typeof(double))) return SqlDbType.Float;
  103. if (type.Equals(typeof(byte))) return SqlDbType.TinyInt;
  104. // if (type.Equals(typeof(int))) return OleDbType.UnsignedSmallInt;
  105. // if (type.Equals(typeof(long))) return OleDbType.UnsignedInt;
  106. // if (type.Equals(typeof(decimal))) return OleDbType.UnsignedBigInt;
  107. // if (type.Equals(typeof(byte[]))) return OleDbType.VarBinary;
  108. if (type.Equals(typeof(string))) return SqlDbType.VarChar;
  109. if (type.Equals(typeof(object))) return SqlDbType.Variant;
  110. // if (type.Equals(typeof(decimal))) return OleDbType.VarNumeric;
  111. // if (type.Equals(typeof(string))) return OleDbType.WChar;
  112. // if (type.Equals(typeof(string))) return OleDbType.VarWChar;
  113. // if (type.Equals(typeof(string))) return OleDbType.LongVarWChar;
  114. return SqlDbType.Variant;
  115. }
  116. internal static Type SqlDbTypeToValueType(SqlDbType sqlDbType)
  117. {
  118. switch (sqlDbType) {
  119. case SqlDbType.BigInt : return typeof(long);
  120. case SqlDbType.Binary : return typeof(byte[]);
  121. case SqlDbType.Bit : return typeof(bool);
  122. case SqlDbType.Char : return typeof(string);
  123. case SqlDbType.DateTime : return typeof(DateTime);
  124. case SqlDbType.Decimal : return typeof(decimal);
  125. case SqlDbType.Float : return typeof(double);
  126. case SqlDbType.Image : return typeof(byte[]);
  127. case SqlDbType.Int : return typeof(int);
  128. case SqlDbType.Money : return typeof(decimal);
  129. case SqlDbType.NChar : return typeof(string);
  130. case SqlDbType.NText : return typeof(string);
  131. case SqlDbType.NVarChar : return typeof(string);
  132. case SqlDbType.Real : return typeof(Single);
  133. case SqlDbType.UniqueIdentifier : return typeof(Guid);
  134. case SqlDbType.SmallDateTime : return typeof(DateTime);
  135. case SqlDbType.SmallInt : return typeof(Int16);
  136. case SqlDbType.SmallMoney : return typeof(decimal);
  137. case SqlDbType.Text : return typeof(string);
  138. case SqlDbType.Timestamp : return typeof(byte[]);
  139. case SqlDbType.TinyInt : return typeof(byte);
  140. case SqlDbType.VarBinary : return typeof(byte[]);
  141. case SqlDbType.VarChar : return typeof(string);
  142. case SqlDbType.Variant : return typeof(object);
  143. default : throw ExceptionHelper.InvalidSqlDbType((int)sqlDbType);
  144. }
  145. }
  146. internal static SqlDbType DbTypeToSqlDbType(DbType dbType)
  147. {
  148. switch (dbType) {
  149. case DbType.AnsiString : return SqlDbType.VarChar;
  150. case DbType.Binary : return SqlDbType.VarBinary;
  151. case DbType.Byte : return SqlDbType.TinyInt;
  152. case DbType.Boolean : return SqlDbType.Bit;
  153. case DbType.Currency : return SqlDbType.Money;
  154. case DbType.DateTime : return SqlDbType.DateTime;
  155. case DbType.Decimal : return SqlDbType.Decimal;
  156. case DbType.Double : return SqlDbType.Float;
  157. case DbType.Guid : return SqlDbType.UniqueIdentifier;
  158. case DbType.Int16 : return SqlDbType.SmallInt;
  159. case DbType.Int32 : return SqlDbType.Int;
  160. case DbType.Int64 : return SqlDbType.BigInt;
  161. case DbType.Object : return SqlDbType.Variant;
  162. case DbType.SByte : throw ExceptionHelper.UnknownDataType(dbType.ToString(),"SqlDbType");
  163. case DbType.Single : return SqlDbType.Real;
  164. case DbType.String : return SqlDbType.NVarChar;
  165. case DbType.UInt16 : throw ExceptionHelper.UnknownDataType(dbType.ToString(),"SqlDbType");
  166. case DbType.UInt32 : throw ExceptionHelper.UnknownDataType(dbType.ToString(),"SqlDbType");
  167. case DbType.UInt64 : throw ExceptionHelper.UnknownDataType(dbType.ToString(),"SqlDbType");
  168. case DbType.VarNumeric : throw ExceptionHelper.UnknownDataType(dbType.ToString(),"SqlDbType");
  169. case DbType.AnsiStringFixedLength : return SqlDbType.Char;
  170. case DbType.StringFixedLength : return SqlDbType.NChar;
  171. default : throw ExceptionHelper.InvalidDbType((int)dbType);
  172. }
  173. }
  174. internal static DbType SqlDbTypeToDbType(SqlDbType sqlDbType)
  175. {
  176. switch (sqlDbType) {
  177. case SqlDbType.BigInt : return DbType.Int64;
  178. case SqlDbType.Binary : return DbType.Binary;
  179. case SqlDbType.Bit : return DbType.Boolean;
  180. case SqlDbType.Char : return DbType.AnsiStringFixedLength;
  181. case SqlDbType.DateTime : return DbType.DateTime;
  182. case SqlDbType.Decimal : return DbType.Decimal;
  183. case SqlDbType.Float : return DbType.Double;
  184. case SqlDbType.Image : return DbType.Binary;
  185. case SqlDbType.Int : return DbType.Int32;
  186. case SqlDbType.Money : return DbType.Currency;
  187. case SqlDbType.NChar : return DbType.StringFixedLength;
  188. case SqlDbType.NText : return DbType.String;
  189. case SqlDbType.NVarChar : return DbType.String;
  190. case SqlDbType.Real : return DbType.Single;
  191. case SqlDbType.UniqueIdentifier : return DbType.Guid;
  192. case SqlDbType.SmallDateTime : return DbType.DateTime;
  193. case SqlDbType.SmallInt : return DbType.Int16;
  194. case SqlDbType.SmallMoney : return DbType.Currency;
  195. case SqlDbType.Text : return DbType.AnsiString;
  196. case SqlDbType.Timestamp : return DbType.Binary;
  197. case SqlDbType.TinyInt : return DbType.Byte;
  198. case SqlDbType.VarBinary : return DbType.Binary;
  199. case SqlDbType.VarChar : return DbType.AnsiString;
  200. case SqlDbType.Variant : return DbType.Object;
  201. default : throw ExceptionHelper.InvalidSqlDbType((int)sqlDbType);
  202. }
  203. }
  204. internal static int SqlDbTypeToJdbcType(SqlDbType sqlDbType)
  205. {
  206. switch(sqlDbType) {
  207. case SqlDbType.BigInt : return Types.BIGINT;
  208. case SqlDbType.Binary : return Types.BINARY;
  209. case SqlDbType.Bit : return Types.BIT;
  210. case SqlDbType.Char : return Types.CHAR;
  211. case SqlDbType.DateTime : return Types.DATE;
  212. case SqlDbType.Decimal : return Types.DECIMAL;
  213. case SqlDbType.Float : return Types.FLOAT;
  214. case SqlDbType.Image : return Types.LONGVARBINARY;
  215. case SqlDbType.Int : return Types.INTEGER;
  216. case SqlDbType.Money : return Types.DECIMAL;
  217. case SqlDbType.NChar : return Types.CHAR;
  218. case SqlDbType.NText : return Types.LONGVARCHAR;
  219. case SqlDbType.NVarChar : return Types.VARCHAR;
  220. case SqlDbType.Real : return Types.REAL;
  221. case SqlDbType.UniqueIdentifier : return Types.CHAR;
  222. case SqlDbType.SmallDateTime : return Types.DATE;
  223. case SqlDbType.SmallInt : return Types.SMALLINT;
  224. case SqlDbType.SmallMoney : return Types.DECIMAL;
  225. case SqlDbType.Text : return Types.LONGVARCHAR;
  226. case SqlDbType.Timestamp : return Types.TIMESTAMP;
  227. case SqlDbType.TinyInt : return Types.TINYINT;
  228. case SqlDbType.VarBinary : return Types.VARBINARY;
  229. case SqlDbType.VarChar : return Types.VARCHAR;
  230. case SqlDbType.Variant : return Types.VARCHAR; // note : ms jdbc driver recognize this sqlserver as varchar
  231. default : throw ExceptionHelper.InvalidSqlDbType((int)sqlDbType);
  232. }
  233. }
  234. #endregion // Methods
  235. }
  236. }