// Tim Coleman (tim@timcoleman.com)
// Diego Caravana (diego@toth.it)
// Umadevi S (sumadevi@novell.com)
+// Amit Biswas (amit@amitbiswas.com)
//
// (C) Ximian, Inc. 2002
// Copyright (C) Tim Coleman, 2002
DbType dbType;
ParameterDirection direction = ParameterDirection.Input;
bool isNullable;
- bool isVariableSizeType = false;
bool isTypeSet = false;
int offset;
SqlDbType sqlDbType;
string sourceColumn;
DataRowVersion sourceVersion;
SqlCompareOptions compareInfo;
+ int localeId;
+ Object sqlValue;
+ string udtTypeName;
+#if NET_2_0
+ bool sourceColumnNullMapping;
+ string xmlSchemaCollectionDatabase = String.Empty;
+ string xmlSchemaCollectionOwningSchema = String.Empty;
+ string xmlSchemaCollectionName = String.Empty;
+#endif
#endregion // Fields
public SqlParameter (string parameterName, object value)
{
- metaParameter = new TdsMetaParameter (parameterName, SqlTypeToFrameworkType (value));
+ metaParameter = new TdsMetaParameter (parameterName, value);
+ InferSqlType (value);
+ metaParameter.Value = SqlTypeToFrameworkType(value);
this.sourceVersion = DataRowVersion.Current;
- InferSqlType (value);
}
public SqlParameter (string parameterName, SqlDbType dbType)
metaParameter = new TdsMetaParameter (parameterName, size,
isNullable, precision,
scale,
- SqlTypeToFrameworkType (value));
- SqlDbType = dbType;
+ value);
+ if (dbType != SqlDbType.Variant)
+ SqlDbType = dbType;
+ metaParameter.Value = SqlTypeToFrameworkType (value);
Direction = direction;
SourceColumn = sourceColumn;
SourceVersion = sourceVersion;
}
+#if NET_2_0
+ public SqlParameter (string parameterName, SqlDbType dbType, int size, ParameterDirection direction, byte precision, byte scale, string sourceColumn, DataRowVersion sourceVersion, bool sourceColumnNullMapping, Object value, string xmlSchemaCollectionDatabase, string xmlSchemaCollectionOwningSchema, string xmlSchemaCollectionName)
+ : this (parameterName, dbType, size, direction, false, precision, scale, sourceColumn, sourceVersion, value)
+ {
+ XmlSchemaCollectionDatabase = xmlSchemaCollectionDatabase;
+ XmlSchemaCollectionOwningSchema = xmlSchemaCollectionOwningSchema;
+ XmlSchemaCollectionName = xmlSchemaCollectionName;
+ SourceColumnNullMapping = sourceColumnNullMapping;
+ }
+#endif
+
// This constructor is used internally to construct a
// SqlParameter. The value array comes from sp_procedure_params_rowset.
// This is in SqlCommand.DeriveParameters.
if (!isTypeSet)
throw new Exception ("all parameters to have an explicity set type");
- if (isVariableSizeType) {
+ if (MetaParameter.IsVariableSizeType) {
if (SqlDbType == SqlDbType.Decimal && Precision == 0)
throw new Exception ("Parameter of type 'Decimal' have an explicitly set Precision and Scale");
else if (Size == 0)
[DataSysDescription ("The parameter generic type.")]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
[RefreshProperties (RefreshProperties.All)]
-#endif
[DataCategory ("Data")]
+#endif
public
#if NET_2_0
override
}
}
- [DataCategory ("Data")]
#if ONLY_1_0 || ONLY_1_1
+ [DataCategory ("Data")]
[DataSysDescription ("Input, output, or bidirectional parameter.")]
[DefaultValue (ParameterDirection.Input)]
#endif
}
[Browsable (false)]
- [DataCategory ("Data")]
#if ONLY_1_0 || ONLY_1_1
+ [DataCategory ("Data")]
[DataSysDescription ("Offset in variable length data types.")]
[DefaultValue (0)]
#endif
set { metaParameter.ParameterName = value; }
}
- [DataCategory ("Data")]
[DefaultValue (0)]
#if ONLY_1_0 || ONLY_1_1
+ [DataCategory ("Data")]
[DataSysDescription ("For decimal, numeric, varnumeric DBTypes.")]
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
set { metaParameter.Precision = value; }
}
- [DataCategory ("Data")]
[DefaultValue (0)]
#if ONLY_1_0 || ONLY_1_1
+ [DataCategory ("Data")]
[DataSysDescription ("For decimal, numeric, varnumeric DBTypes.")]
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
set { metaParameter.Scale = value; }
}
- [DataCategory ("Data")]
#if ONLY_1_0 || ONLY_1_1
+ [DataCategory ("Data")]
[DataSysDescription ("Size of variable length data types (string & arrays).")]
[DefaultValue (0)]
#endif
set { metaParameter.Size = value; }
}
- [DataCategory ("Data")]
#if ONLY_1_0 || ONLY_1_1
+ [DataCategory ("Data")]
[DataSysDescription ("When used by a DataAdapter.Update, the source column name that is used to find the DataSetColumn name in the ColumnMappings. This is to copy a value between the parameter and a datarow.")]
[DefaultValue ("")]
#endif
set { sourceColumn = value; }
}
- [DataCategory ("Data")]
#if ONLY_1_0 || ONLY_1_1
+ [DataCategory ("Data")]
[DataSysDescription ("When used by a DataAdapter.Update (UpdateCommand only), the version of the DataRow value that is used to update the data source.")]
[DefaultValue (DataRowVersion.Current)]
#endif
set { sourceVersion = value; }
}
- [DataCategory ("Data")]
#if ONLY_1_0 || ONLY_1_1
+ [DataCategory ("Data")]
[DataSysDescription ("The parameter native type.")]
[DefaultValue (SqlDbType.NVarChar)]
#endif
}
}
- [DataCategory ("Data")]
+ [TypeConverterAttribute (typeof (StringConverter))]
#if ONLY_1_0 || ONLY_1_1
+ [DataCategory ("Data")]
[DataSysDescription ("Value of the parameter.")]
[DefaultValue (null)]
-#endif
- [TypeConverterAttribute (typeof (StringConverter))]
-#if NET_2_0
+#else
[RefreshProperties (RefreshProperties.All)]
#endif
public
}
#if NET_2_0
- public SqlCompareOptions CompareInfo {
+ [Browsable (false)]
+ public SqlCompareOptions CompareInfo{
get{ return compareInfo; }
- set{
- compareInfo = value;
- }
+ set{ compareInfo = value; }
}
-#endif
-#if NET_2_0
+ [Browsable (false)]
+ public int LocaleId {
+ get { return localeId; }
+ set { localeId = value; }
+ }
+
+ [Browsable (false)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+ public Object SqlValue {
+ get { return sqlValue; }
+ set { sqlValue = value; }
+ }
+
public override bool SourceColumnNullMapping {
- get { return false ; }
- set { }
+ get { return sourceColumnNullMapping; }
+ set { sourceColumnNullMapping = value; }
+ }
+
+ public string XmlSchemaCollectionDatabase {
+ get { return xmlSchemaCollectionDatabase; }
+ set { xmlSchemaCollectionDatabase = (value == null ? String.Empty : value); }
+ }
+
+ public string XmlSchemaCollectionName {
+ get { return xmlSchemaCollectionName; }
+ set {
+ xmlSchemaCollectionName = (value == null ? String.Empty : value);
+ }
}
-#endif
+ public string XmlSchemaCollectionOwningSchema {
+ get { return xmlSchemaCollectionOwningSchema; }
+ set {
+ xmlSchemaCollectionOwningSchema = (value == null ? String.Empty : value);
+ }
+ }
+#endif
#endregion // Properties
#region Methods
// infer type information.
private void InferSqlType (object value)
{
- if (value == null || value == DBNull.Value)
+ if (value == null || value == DBNull.Value) {
+ SetSqlDbType (SqlDbType.NVarChar);
return;
+ }
Type type = value.GetType ();
-
string exception = String.Format ("The parameter data type of {0} is invalid.", type.Name);
switch (type.FullName) {
case DbType.AnsiString:
MetaParameter.TypeName = "varchar";
sqlDbType = SqlDbType.VarChar;
- isVariableSizeType = true;
+ MetaParameter.IsVariableSizeType = true;
break;
case DbType.AnsiStringFixedLength:
MetaParameter.TypeName = "char";
sqlDbType = SqlDbType.Char;
- isVariableSizeType = true;
+ MetaParameter.IsVariableSizeType = true;
break;
case DbType.Binary:
MetaParameter.TypeName = "varbinary";
sqlDbType = SqlDbType.VarBinary;
- isVariableSizeType = true;
+ MetaParameter.IsVariableSizeType = true;
break;
case DbType.Boolean:
MetaParameter.TypeName = "bit";
case DbType.String:
MetaParameter.TypeName = "nvarchar";
sqlDbType = SqlDbType.NVarChar;
- isVariableSizeType = true;
+ MetaParameter.IsVariableSizeType = true;
break;
case DbType.StringFixedLength:
MetaParameter.TypeName = "nchar";
sqlDbType = SqlDbType.NChar;
- isVariableSizeType = true;
+ MetaParameter.IsVariableSizeType = true;
break;
case DbType.Time:
MetaParameter.TypeName = "datetime";
case "varchar":
SqlDbType = SqlDbType.VarChar;
break;
+ case "sql_variant":
+ SqlDbType = SqlDbType.Variant;
+ break;
default:
SqlDbType = SqlDbType.Variant;
break;
case SqlDbType.Binary:
MetaParameter.TypeName = "binary";
dbType = DbType.Binary;
- isVariableSizeType = true;
+ MetaParameter.IsVariableSizeType = true;
break;
case SqlDbType.Timestamp:
MetaParameter.TypeName = "timestamp";
case SqlDbType.VarBinary:
MetaParameter.TypeName = "varbinary";
dbType = DbType.Binary;
- isVariableSizeType = true;
+ MetaParameter.IsVariableSizeType = true;
break;
case SqlDbType.Bit:
MetaParameter.TypeName = "bit";
case SqlDbType.Char:
MetaParameter.TypeName = "char";
dbType = DbType.AnsiStringFixedLength;
- isVariableSizeType = true;
+ MetaParameter.IsVariableSizeType = true;
break;
case SqlDbType.DateTime:
MetaParameter.TypeName = "datetime";
case SqlDbType.Image:
MetaParameter.TypeName = "image";
dbType = DbType.Binary;
- isVariableSizeType = true;
+ MetaParameter.IsVariableSizeType = true;
break;
case SqlDbType.Int:
MetaParameter.TypeName = "int";
case SqlDbType.NChar:
MetaParameter.TypeName = "nchar";
dbType = DbType.StringFixedLength;
- isVariableSizeType = true;
+ MetaParameter.IsVariableSizeType = true;
break;
case SqlDbType.NText:
MetaParameter.TypeName = "ntext";
dbType = DbType.String;
- isVariableSizeType = true;
+ MetaParameter.IsVariableSizeType = true;
break;
case SqlDbType.NVarChar:
MetaParameter.TypeName = "nvarchar";
dbType = DbType.String;
- isVariableSizeType = true;
+ MetaParameter.IsVariableSizeType = true;
break;
case SqlDbType.Real:
MetaParameter.TypeName = "real";
case SqlDbType.Text:
MetaParameter.TypeName = "text";
dbType = DbType.AnsiString;
- isVariableSizeType = true;
+ MetaParameter.IsVariableSizeType = true;
break;
case SqlDbType.VarChar:
MetaParameter.TypeName = "varchar";
dbType = DbType.AnsiString;
- isVariableSizeType = true;
+ MetaParameter.IsVariableSizeType = true;
break;
case SqlDbType.TinyInt:
MetaParameter.TypeName = "tinyint";
private object SqlTypeToFrameworkType (object value)
{
if (! (value is INullable)) // if the value is not SqlType
- return value;
+ return ConvertToFrameworkType (value);
// Map to .net type, as Mono TDS respects only types from .net
switch (value.GetType ().FullName) {
return value;
}
+ private object ConvertToFrameworkType (object value)
+ {
+ if (value == null || value == DBNull.Value)
+ return value;
+ switch (sqlDbType) {
+ case SqlDbType.BigInt :
+ return Convert.ChangeType (value, typeof (Int64));
+ case SqlDbType.Binary:
+ case SqlDbType.VarBinary:
+ if (value is byte[])
+ return value;
+ break;
+ case SqlDbType.Bit:
+ return Convert.ChangeType (value, typeof (bool));
+ case SqlDbType.Int:
+ return Convert.ChangeType (value, typeof (Int32));
+ case SqlDbType.SmallInt :
+ return Convert.ChangeType (value, typeof (Int16));
+ case SqlDbType.TinyInt :
+ return Convert.ChangeType (value, typeof (byte));
+ case SqlDbType.Float:
+ return Convert.ChangeType (value, typeof (Double));
+ case SqlDbType.Real:
+ return Convert.ChangeType (value, typeof (Single));
+ case SqlDbType.Decimal:
+ return Convert.ChangeType (value, typeof (Decimal));
+ case SqlDbType.Money:
+ case SqlDbType.SmallMoney:
+ {
+ Decimal val = (Decimal)Convert.ChangeType (value, typeof (Decimal));
+ return Decimal.Round(val, 4);
+ }
+ case SqlDbType.DateTime:
+ case SqlDbType.SmallDateTime:
+ return Convert.ChangeType (value, typeof (DateTime));
+ case SqlDbType.VarChar:
+ case SqlDbType.NVarChar:
+ case SqlDbType.Char:
+ case SqlDbType.NChar:
+ case SqlDbType.Text:
+ case SqlDbType.NText:
+ return Convert.ChangeType (value, typeof (string));
+ case SqlDbType.UniqueIdentifier:
+ return Convert.ChangeType (value, typeof (Guid));
+ case SqlDbType.Variant:
+ return metaParameter.Value;
+ }
+ throw new NotImplementedException ("Type Not Supported : " + sqlDbType.ToString());
+ }
+
#if NET_2_0
- [MonoTODO ("Not implemented")]
+
public override void ResetDbType ()
{
- throw new NotImplementedException ();
+ InferSqlType (metaParameter.Value);
}
+
+ public void ResetSqlDbType ()
+ {
+ InferSqlType (metaParameter.Value);
+ }
#endif // NET_2_0
#endregion // Methods
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