Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Data / System / Data / Sql / SqlMetaData.cs / 1305376 / SqlMetaData.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //[....] //----------------------------------------------------------------------------- namespace Microsoft.SqlServer.Server { using System; using System.Data; using System.Data.Common; using System.Diagnostics; using System.Globalization; using System.Data.SqlTypes; using System.Data.SqlClient; // class SqlMetaData // Simple immutable implementation of the a metadata-holding class. Only // complexities are: // 1) enforcing immutability. // 2) Inferring type from a value. // 3) Adjusting a value to match the metadata. public sealed class SqlMetaData { private string m_strName; private long m_lMaxLength; private SqlDbType m_sqlDbType; private byte m_bPrecision; private byte m_bScale; private long m_lLocale; private SqlCompareOptions m_eCompareOptions; private string m_XmlSchemaCollectionDatabase; private string m_XmlSchemaCollectionOwningSchema; private string m_XmlSchemaCollectionName; private string m_serverTypeName; private bool m_bPartialLength; private Type m_udttype; private bool m_useServerDefault; private bool m_isUniqueKey; private SortOrder m_columnSortOrder; private int m_sortOrdinal; // unlimited (except by implementation) max-length. private const long x_lMax = -1; private const long x_lServerMaxUnicode = 4000; private const long x_lServerMaxANSI = 8000; private const long x_lServerMaxBinary = 8000; private const bool x_defaultUseServerDefault = false; private const bool x_defaultIsUniqueKey = false; private const SortOrder x_defaultColumnSortOrder = SortOrder.Unspecified; private const int x_defaultSortOrdinal = -1; private const SqlCompareOptions x_eDefaultStringCompareOptions = SqlCompareOptions.IgnoreCase | SqlCompareOptions.IgnoreKanaType | SqlCompareOptions.IgnoreWidth; // scalar types constructor without tvp extended properties public SqlMetaData(String name, SqlDbType dbType) { Construct(name, dbType, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal); } // scalar types constructor public SqlMetaData(String name, SqlDbType dbType, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { Construct(name, dbType, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); } // binary or string constructor with only max length // (for string types, locale and compare options will be picked up from the thread. public SqlMetaData(String name, SqlDbType dbType, long maxLength) { Construct(name, dbType, maxLength, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal); } // binary or string constructor with only max length and tvp extended properties // (for string types, locale and compare options will be picked up from the thread. public SqlMetaData(String name, SqlDbType dbType, long maxLength, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { Construct(name, dbType, maxLength, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); } // udt ctor without tvp extended properties public SqlMetaData(String name, SqlDbType dbType, Type userDefinedType) { Construct(name, dbType, userDefinedType, null, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal); } // udt ctor without tvp extended properties public SqlMetaData(String name, SqlDbType dbType, Type userDefinedType, string serverTypeName) { Construct(name, dbType, userDefinedType, serverTypeName, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal); } // udt ctor public SqlMetaData(String name, SqlDbType dbType, Type userDefinedType, string serverTypeName, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { Construct(name, dbType, userDefinedType, serverTypeName, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); } // decimal ctor without tvp extended properties public SqlMetaData(String name, SqlDbType dbType, byte precision, byte scale) { Construct(name, dbType, precision, scale, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal); } // decimal ctor public SqlMetaData(string name, SqlDbType dbType, byte precision, byte scale, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { Construct(name, dbType, precision, scale, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); } // string type constructor with locale and compare options, no tvp extended properties public SqlMetaData(String name, SqlDbType dbType, long maxLength, long locale, SqlCompareOptions compareOptions) { Construct(name, dbType, maxLength, locale, compareOptions, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal); } // string type constructor with locale and compare options public SqlMetaData(String name, SqlDbType dbType, long maxLength, long locale, SqlCompareOptions compareOptions, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { Construct(name, dbType, maxLength, locale, compareOptions, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); } // typed xml ctor public SqlMetaData(String name, SqlDbType dbType, string database, string owningSchema, string objectName, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { Construct(name, dbType, database, owningSchema, objectName, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); } // everything except xml schema and tvp properties ctor public SqlMetaData(String name, SqlDbType dbType, long maxLength, byte precision, byte scale, long locale, SqlCompareOptions compareOptions, Type userDefinedType) : this(name, dbType, maxLength, precision, scale, locale, compareOptions, userDefinedType, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal) { } // everything except xml schema ctor public SqlMetaData(String name, SqlDbType dbType, long maxLength, byte precision, byte scale, long localeId, SqlCompareOptions compareOptions, Type userDefinedType, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { switch (dbType) { case SqlDbType.BigInt: case SqlDbType.Image: case SqlDbType.Timestamp: case SqlDbType.Bit: case SqlDbType.DateTime: case SqlDbType.SmallDateTime: case SqlDbType.Real: case SqlDbType.Int: case SqlDbType.Money: case SqlDbType.SmallMoney: case SqlDbType.Float: case SqlDbType.UniqueIdentifier: case SqlDbType.SmallInt: case SqlDbType.TinyInt: case SqlDbType.Xml: case SqlDbType.Date: Construct(name, dbType, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); break; case SqlDbType.Binary: case SqlDbType.VarBinary: Construct(name, dbType, maxLength, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); break; case SqlDbType.Char: case SqlDbType.NChar: case SqlDbType.NVarChar: case SqlDbType.VarChar: Construct(name, dbType, maxLength, localeId, compareOptions, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); break; case SqlDbType.NText: case SqlDbType.Text: // SQLBU # : We should ignore user's max length and use Max instead to avoid exception Construct(name, dbType, Max, localeId, compareOptions, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); break; case SqlDbType.Decimal: case SqlDbType.Time: case SqlDbType.DateTime2: case SqlDbType.DateTimeOffset: Construct(name, dbType, precision, scale, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); break; case SqlDbType.Variant: Construct(name, dbType, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); break; case SqlDbType.Udt: Construct(name, dbType, userDefinedType, "", useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); break; default: SQL.InvalidSqlDbTypeForConstructor(dbType); break; } } public SqlMetaData(String name, SqlDbType dbType, string database, string owningSchema, string objectName) { Construct(name, dbType, database, owningSchema, objectName, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal); } // Most general constructor, should be able to intialize all SqlMetaData fields.(Used by SqlParameter) internal SqlMetaData (String name, SqlDbType sqlDBType, long maxLength, byte precision, byte scale, long localeId, SqlCompareOptions compareOptions, string xmlSchemaCollectionDatabase, string xmlSchemaCollectionOwningSchema, string xmlSchemaCollectionName, bool partialLength, Type udtType) { AssertNameIsValid(name); m_strName = name; m_sqlDbType = sqlDBType; m_lMaxLength = maxLength; m_bPrecision = precision; m_bScale = scale; m_lLocale = localeId; m_eCompareOptions = compareOptions; m_XmlSchemaCollectionDatabase = xmlSchemaCollectionDatabase; m_XmlSchemaCollectionOwningSchema = xmlSchemaCollectionOwningSchema; m_XmlSchemaCollectionName = xmlSchemaCollectionName; m_bPartialLength = partialLength; m_udttype = udtType; } // Private constructor used to initialize default instance array elements. // DO NOT EXPOSE OUTSIDE THIS CLASS! It performs no validation. private SqlMetaData (String name, SqlDbType sqlDbType, long maxLength, byte precision, byte scale, long localeId, SqlCompareOptions compareOptions, bool partialLength) { AssertNameIsValid(name); m_strName = name; m_sqlDbType = sqlDbType; m_lMaxLength = maxLength; m_bPrecision = precision; m_bScale = scale; m_lLocale = localeId; m_eCompareOptions = compareOptions; m_bPartialLength = partialLength; m_udttype = null; } public SqlCompareOptions CompareOptions { get { return m_eCompareOptions; } } public DbType DbType { get { return sxm_rgSqlDbTypeToDbType[(int)m_sqlDbType]; } } public bool IsUniqueKey { get { return m_isUniqueKey; } } public long LocaleId { get{ return m_lLocale; } } public static long Max { get { return x_lMax; } } public long MaxLength { get { return m_lMaxLength; } } public string Name { get { return m_strName; } } public byte Precision { get { return m_bPrecision; } } public byte Scale { get { return m_bScale; } } public SortOrder SortOrder { get { return m_columnSortOrder; } } public int SortOrdinal { get { return m_sortOrdinal; } } public SqlDbType SqlDbType { get { return m_sqlDbType; } } public Type Type { get { return m_udttype; } } public string TypeName { get { if (m_serverTypeName != null) { return m_serverTypeName; } else if (SqlDbType == SqlDbType.Udt) { return UdtTypeName; } else { return sxm_rgDefaults[(int)SqlDbType].Name; } } } internal string ServerTypeName { get { return m_serverTypeName; } } public bool UseServerDefault { get { return m_useServerDefault; } } public string XmlSchemaCollectionDatabase { get { return m_XmlSchemaCollectionDatabase; } } public string XmlSchemaCollectionName { get { return m_XmlSchemaCollectionName; } } public string XmlSchemaCollectionOwningSchema { get { return m_XmlSchemaCollectionOwningSchema; } } internal bool IsPartialLength { get { return m_bPartialLength; } } internal string UdtTypeName { get{ if(SqlDbType != SqlDbType.Udt) { return null; } else if (m_udttype == null) { return null; } else { return m_udttype.FullName; } } } // Construction for all types that do not have variable attributes private void Construct(String name, SqlDbType dbType, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { AssertNameIsValid(name); ValidateSortOrder(columnSortOrder, sortOrdinal); // Check for absense of explicitly-allowed types to avoid unexpected additions when new types are added if (!( SqlDbType.BigInt == dbType || SqlDbType.Bit == dbType || SqlDbType.DateTime == dbType || SqlDbType.Date == dbType || SqlDbType.DateTime2 == dbType || SqlDbType.DateTimeOffset == dbType || SqlDbType.Decimal == dbType || SqlDbType.Float == dbType || SqlDbType.Image == dbType || SqlDbType.Int == dbType || SqlDbType.Money == dbType || SqlDbType.NText == dbType || SqlDbType.Real == dbType || SqlDbType.SmallDateTime == dbType || SqlDbType.SmallInt == dbType || SqlDbType.SmallMoney == dbType || SqlDbType.Text == dbType || SqlDbType.Time == dbType || SqlDbType.Timestamp == dbType || SqlDbType.TinyInt == dbType || SqlDbType.UniqueIdentifier == dbType || SqlDbType.Variant == dbType || SqlDbType.Xml == dbType) ) throw SQL.InvalidSqlDbTypeForConstructor(dbType); SetDefaultsForType( dbType ); if (SqlDbType.NText == dbType || SqlDbType.Text == dbType) { m_lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID; } m_strName = name; m_useServerDefault = useServerDefault; m_isUniqueKey = isUniqueKey; m_columnSortOrder = columnSortOrder; m_sortOrdinal = sortOrdinal; } // Construction for all types that vary by user-specified length (not Udts) private void Construct(String name, SqlDbType dbType, long maxLength, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { AssertNameIsValid(name); ValidateSortOrder(columnSortOrder, sortOrdinal); long lLocale = 0; if (SqlDbType.Char == dbType) { if (maxLength > x_lServerMaxANSI || maxLength < 0) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID; } else if (SqlDbType.VarChar == dbType) { if ((maxLength > x_lServerMaxANSI || maxLength < 0) && maxLength != Max) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID; } else if (SqlDbType.NChar == dbType) { if (maxLength > x_lServerMaxUnicode || maxLength < 0) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID; } else if (SqlDbType.NVarChar == dbType) { if ((maxLength > x_lServerMaxUnicode || maxLength < 0) && maxLength != Max) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID; } else if (SqlDbType.NText == dbType || SqlDbType.Text == dbType) { // old-style lobs only allowed with Max length if (SqlMetaData.Max != maxLength) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID; } else if (SqlDbType.Binary == dbType) { if (maxLength > x_lServerMaxBinary || maxLength < 0) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else if (SqlDbType.VarBinary == dbType) { if ((maxLength > x_lServerMaxBinary || maxLength < 0) && maxLength != Max) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else if (SqlDbType.Image == dbType) { // old-style lobs only allowed with Max length if (SqlMetaData.Max != maxLength) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else throw SQL.InvalidSqlDbTypeForConstructor(dbType); SetDefaultsForType( dbType ); m_strName = name; m_lMaxLength = maxLength; m_lLocale = lLocale; m_useServerDefault = useServerDefault; m_isUniqueKey = isUniqueKey; m_columnSortOrder = columnSortOrder; m_sortOrdinal = sortOrdinal; } // Construction for string types with specified locale/compare options private void Construct(String name, SqlDbType dbType, long maxLength, long locale, SqlCompareOptions compareOptions, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { AssertNameIsValid(name); ValidateSortOrder(columnSortOrder, sortOrdinal); // Validate type and max length. if (SqlDbType.Char == dbType) { if (maxLength > x_lServerMaxANSI || maxLength < 0) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else if (SqlDbType.VarChar == dbType) { if ((maxLength > x_lServerMaxANSI || maxLength < 0) && maxLength != Max) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else if (SqlDbType.NChar == dbType) { if (maxLength > x_lServerMaxUnicode || maxLength < 0) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else if (SqlDbType.NVarChar == dbType) { if ((maxLength > x_lServerMaxUnicode || maxLength < 0) && maxLength != Max) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else if (SqlDbType.NText == dbType || SqlDbType.Text == dbType) { // old-style lobs only allowed with Max length if (SqlMetaData.Max != maxLength) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else throw SQL.InvalidSqlDbTypeForConstructor(dbType); // Validate locale? // Validate compare options // Binary sort must be by itself. // Nothing else but the Ignore bits is allowed. if (SqlCompareOptions.BinarySort != compareOptions && 0 != (~((int)SqlCompareOptions.IgnoreCase | (int)SqlCompareOptions.IgnoreNonSpace | (int)SqlCompareOptions.IgnoreKanaType | (int)SqlCompareOptions.IgnoreWidth) & (int)compareOptions)) throw ADP.InvalidEnumerationValue(typeof(SqlCompareOptions), (int)compareOptions); SetDefaultsForType( dbType ); m_strName = name; m_lMaxLength = maxLength; m_lLocale = locale; m_eCompareOptions = compareOptions; m_useServerDefault = useServerDefault; m_isUniqueKey = isUniqueKey; m_columnSortOrder = columnSortOrder; m_sortOrdinal = sortOrdinal; } private static byte[] __maxLenFromPrecision = new byte[] {5,5,5,5,5,5,5,5,5,9,9,9,9,9, 9,9,9,9,9,13,13,13,13,13,13,13,13,13,17,17,17,17,17,17,17,17,17,17}; private const byte MaxTimeScale = 7; private static byte[] __maxVarTimeLenOffsetFromScale = new byte[] { 2, 2, 2, 1, 1, 0, 0, 0 }; // Construction for Decimal type and new Katmai Date/Time types private void Construct( String name, SqlDbType dbType, byte precision, byte scale, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal ) { AssertNameIsValid(name); ValidateSortOrder(columnSortOrder, sortOrdinal); if (SqlDbType.Decimal == dbType) { if (precision > SqlDecimal.MaxPrecision || scale > precision) throw SQL.PrecisionValueOutOfRange(precision); if (scale > SqlDecimal.MaxScale) throw SQL.ScaleValueOutOfRange(scale); } else if (SqlDbType.Time == dbType || SqlDbType.DateTime2 == dbType || SqlDbType.DateTimeOffset == dbType) { if (scale > MaxTimeScale) { throw SQL.TimeScaleValueOutOfRange(scale); } } else { throw SQL.InvalidSqlDbTypeForConstructor(dbType); } SetDefaultsForType(dbType); m_strName = name; m_bPrecision = precision; m_bScale = scale; if (SqlDbType.Decimal == dbType) { m_lMaxLength = __maxLenFromPrecision[precision - 1]; } else { m_lMaxLength -= __maxVarTimeLenOffsetFromScale[scale]; } m_useServerDefault = useServerDefault; m_isUniqueKey = isUniqueKey; m_columnSortOrder = columnSortOrder; m_sortOrdinal = sortOrdinal; } // Construction for Udt type private void Construct(String name, SqlDbType dbType, Type userDefinedType, string serverTypeName, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { AssertNameIsValid(name); ValidateSortOrder(columnSortOrder, sortOrdinal); if (SqlDbType.Udt != dbType) throw SQL.InvalidSqlDbTypeForConstructor(dbType); if (null == userDefinedType) throw ADP.ArgumentNull("userDefinedType"); SetDefaultsForType(SqlDbType.Udt); m_strName = name; m_lMaxLength = SerializationHelperSql9.GetUdtMaxLength( userDefinedType ); m_udttype = userDefinedType; m_serverTypeName = serverTypeName; m_useServerDefault = useServerDefault; m_isUniqueKey = isUniqueKey; m_columnSortOrder = columnSortOrder; m_sortOrdinal = sortOrdinal; } // Construction for Xml type private void Construct(String name, SqlDbType dbType, string database, string owningSchema, string objectName, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { AssertNameIsValid(name); ValidateSortOrder(columnSortOrder, sortOrdinal); if (SqlDbType.Xml != dbType) throw SQL.InvalidSqlDbTypeForConstructor(dbType); if (null != database || null != owningSchema) { if (null == objectName) { throw ADP.ArgumentNull("objectName"); } } SetDefaultsForType(SqlDbType.Xml); m_strName = name; m_XmlSchemaCollectionDatabase = database; m_XmlSchemaCollectionOwningSchema = owningSchema; m_XmlSchemaCollectionName = objectName; m_useServerDefault = useServerDefault; m_isUniqueKey = isUniqueKey; m_columnSortOrder = columnSortOrder; m_sortOrdinal = sortOrdinal; } private void AssertNameIsValid(string name) { if (null == name) throw ADP.ArgumentNull("name"); if (Microsoft.SqlServer.Server.SmiMetaData.MaxNameLength < name.Length) throw SQL.NameTooLong("name"); } private void ValidateSortOrder(SortOrder columnSortOrder, int sortOrdinal) { // Check that sort order is valid enum value. if (SortOrder.Unspecified != columnSortOrder && SortOrder.Ascending != columnSortOrder && SortOrder.Descending != columnSortOrder) { throw SQL.InvalidSortOrder(columnSortOrder); } // Must specify both sort order and ordinal, or neither if ( (SortOrder.Unspecified == columnSortOrder) != (x_defaultSortOrdinal == sortOrdinal)) { throw SQL.MustSpecifyBothSortOrderAndOrdinal(columnSortOrder, sortOrdinal); } } public Int16 Adjust(Int16 value) { if (SqlDbType.SmallInt != SqlDbType) ThrowInvalidType(); return value; } public Int32 Adjust(Int32 value) { if (SqlDbType.Int != SqlDbType) ThrowInvalidType(); return value; } public Int64 Adjust(Int64 value) { if (SqlDbType.BigInt != SqlDbType) ThrowInvalidType(); return value; } public float Adjust(float value) { if (SqlDbType.Real != SqlDbType) ThrowInvalidType(); return value; } public double Adjust(double value) { if (SqlDbType.Float != SqlDbType) ThrowInvalidType(); return value; } public string Adjust(string value) { if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType) { //DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(string): Fixed-length type with Max length!"); // Don't pad null values if (null != value) { // Pad if necessary if (value.Length < MaxLength) value = value.PadRight((int)MaxLength); } } else if (SqlDbType.VarChar != SqlDbType && SqlDbType.NVarChar != SqlDbType && SqlDbType.Text != SqlDbType && SqlDbType.NText != SqlDbType) { ThrowInvalidType(); } // Handle null values after type check if (null == value) { return null; } if (value.Length > MaxLength && Max != MaxLength) value = value.Remove((int)MaxLength, (int)(value.Length - MaxLength)); return value; } public decimal Adjust(decimal value) { if (SqlDbType.Decimal != SqlDbType && SqlDbType.Money != SqlDbType && SqlDbType.SmallMoney != SqlDbType) { ThrowInvalidType(); } if (SqlDbType.Decimal != SqlDbType) { VerifyMoneyRange(new SqlMoney(value)); return value; } else { SqlDecimal sdValue = InternalAdjustSqlDecimal(new SqlDecimal(value)); return sdValue.Value; } } public DateTime Adjust(DateTime value) { if (SqlDbType.DateTime == SqlDbType || SqlDbType.SmallDateTime == SqlDbType) { VerifyDateTimeRange(value); } else if (SqlDbType.DateTime2 == SqlDbType) { return new DateTime(InternalAdjustTimeTicks(value.Ticks)); } else if (SqlDbType.Date == SqlDbType) { return value.Date; } else { ThrowInvalidType(); } return value; } public Guid Adjust(Guid value) { if (SqlDbType.UniqueIdentifier != SqlDbType) ThrowInvalidType(); return value; } public SqlBoolean Adjust(SqlBoolean value) { if (SqlDbType.Bit != SqlDbType) ThrowInvalidType(); return value; } public SqlByte Adjust(SqlByte value) { if (SqlDbType.TinyInt != SqlDbType) ThrowInvalidType(); return value; } public SqlInt16 Adjust(SqlInt16 value) { if (SqlDbType.SmallInt != SqlDbType) ThrowInvalidType(); return value; } public SqlInt32 Adjust(SqlInt32 value) { if (SqlDbType.Int != SqlDbType) ThrowInvalidType(); return value; } public SqlInt64 Adjust(SqlInt64 value) { if (SqlDbType.BigInt != SqlDbType) ThrowInvalidType(); return value; } public SqlSingle Adjust(SqlSingle value) { if (SqlDbType.Real != SqlDbType) ThrowInvalidType(); return value; } public SqlDouble Adjust(SqlDouble value) { if (SqlDbType.Float != SqlDbType) ThrowInvalidType(); return value; } public SqlMoney Adjust(SqlMoney value) { if (SqlDbType.Money != SqlDbType && SqlDbType.SmallMoney != SqlDbType) ThrowInvalidType(); if (!value.IsNull) VerifyMoneyRange(value); return value; } public SqlDateTime Adjust(SqlDateTime value) { if (SqlDbType.DateTime != SqlDbType && SqlDbType.SmallDateTime != SqlDbType) ThrowInvalidType(); if (!value.IsNull) VerifyDateTimeRange(value.Value); return value; } public SqlDecimal Adjust(SqlDecimal value) { if (SqlDbType.Decimal != SqlDbType) ThrowInvalidType(); return InternalAdjustSqlDecimal(value); } public SqlString Adjust(SqlString value) { if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType) { //DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(SqlString): Fixed-length type with Max length!"); // Don't pad null values if (!value.IsNull) { // Pad fixed-length types if (value.Value.Length < MaxLength) return new SqlString(value.Value.PadRight((int)MaxLength)); } } else if (SqlDbType.VarChar != SqlDbType && SqlDbType.NVarChar != SqlDbType && SqlDbType.Text != SqlDbType && SqlDbType.NText != SqlDbType) ThrowInvalidType(); // Handle null values after type check if (value.IsNull) { return value; } // trim all types if (value.Value.Length > MaxLength && Max != MaxLength) value = new SqlString(value.Value.Remove((int)MaxLength, (int)(value.Value.Length - MaxLength))); return value; } public SqlBinary Adjust(SqlBinary value) { if (SqlDbType.Binary == SqlDbType || SqlDbType.Timestamp == SqlDbType) { if (!value.IsNull) { // Pad fixed-length types if (value.Length < MaxLength) { byte[] rgbValue = value.Value; byte[] rgbNewValue = new byte[ MaxLength ]; Array.Copy(rgbValue, rgbNewValue, rgbValue.Length); Array.Clear(rgbNewValue, rgbValue.Length, rgbNewValue.Length - rgbValue.Length); return new SqlBinary(rgbNewValue); } } } else if (SqlDbType.VarBinary != SqlDbType && SqlDbType.Image != SqlDbType) ThrowInvalidType(); // Handle null values if (value.IsNull) { return value; } // trim all types if (value.Length > MaxLength && Max != MaxLength) { byte[] rgbValue = value.Value; byte[] rgbNewValue = new byte[ MaxLength ]; Array.Copy(rgbValue, rgbNewValue, (int)MaxLength); value = new SqlBinary(rgbNewValue); } return value; } public SqlGuid Adjust(SqlGuid value) { if (SqlDbType.UniqueIdentifier != SqlDbType) ThrowInvalidType(); return value; } public SqlChars Adjust(SqlChars value) { if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType) { //DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(SqlChars): Fixed-length type with Max length!"); // Don't pad null values if (null != value && !value.IsNull) { // Pad fixed-length types long oldLength = value.Length; if (oldLength < MaxLength) { // Make sure buffer is long enough if (value.MaxLength < MaxLength) { char[] rgchNew = new char[ (int)MaxLength ]; Array.Copy(value.Buffer, rgchNew, (int)oldLength); value = new SqlChars(rgchNew); } // pad extra space char[] rgchTemp = value.Buffer; for(long i=oldLength; iMaxLength && Max != MaxLength) value.SetLength(MaxLength); return value; } public SqlBytes Adjust(SqlBytes value) { if (SqlDbType.Binary == SqlDbType || SqlDbType.Timestamp == SqlDbType) { //DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(SqlBytes): Fixed-length type with Max length!"); // Don't pad null values if (null != value && !value.IsNull) { // Pad fixed-length types int oldLength = (int) value.Length; if (oldLength < MaxLength) { // Make sure buffer is long enough if (value.MaxLength < MaxLength) { byte[] rgbNew = new byte[ MaxLength ]; Array.Copy(value.Buffer, rgbNew, (int)oldLength); value = new SqlBytes(rgbNew); } // pad extra space byte[] rgbTemp = value.Buffer; Array.Clear(rgbTemp, oldLength, rgbTemp.Length - oldLength); value.SetLength(MaxLength); return value; } } } else if (SqlDbType.VarBinary != SqlDbType && SqlDbType.Image != SqlDbType) ThrowInvalidType(); // Handle null values after type check. if (null == value || value.IsNull) { return value; } // trim all types if (value.Length > MaxLength && Max != MaxLength) value.SetLength(MaxLength); return value; } public SqlXml Adjust(SqlXml value) { if (SqlDbType.Xml != SqlDbType) ThrowInvalidType(); return value; } public TimeSpan Adjust(TimeSpan value) { if (SqlDbType.Time != SqlDbType) ThrowInvalidType(); VerifyTimeRange(value); return new TimeSpan(InternalAdjustTimeTicks(value.Ticks)); } public DateTimeOffset Adjust(DateTimeOffset value) { if (SqlDbType.DateTimeOffset != SqlDbType) ThrowInvalidType(); return new DateTimeOffset(InternalAdjustTimeTicks(value.Ticks), value.Offset); } public object Adjust(object value) { // Pass null references through if (null == value) return null; Type dataType = value.GetType(); switch (Type.GetTypeCode(dataType)) { case TypeCode.Boolean: value = this.Adjust((Boolean)value); break; case TypeCode.Byte: value = this.Adjust((Byte)value); break; case TypeCode.Char: value = this.Adjust((Char)value); break; case TypeCode.DateTime: value = this.Adjust((DateTime)value); break; case TypeCode.DBNull: /* DBNull passes through as is for all types */ break; case TypeCode.Decimal: value = this.Adjust((Decimal)value); break; case TypeCode.Double: value = this.Adjust((Double)value); break; case TypeCode.Empty: throw ADP.InvalidDataType(TypeCode.Empty); case TypeCode.Int16: value = this.Adjust((Int16)value); break; case TypeCode.Int32: value = this.Adjust((Int32)value); break; case TypeCode.Int64: value = this.Adjust((Int64)value); break; case TypeCode.SByte: throw ADP.InvalidDataType(TypeCode.SByte); case TypeCode.Single: value = this.Adjust((Single)value); break; case TypeCode.String: value = this.Adjust((String)value); break; case TypeCode.UInt16: throw ADP.InvalidDataType(TypeCode.UInt16); case TypeCode.UInt32: throw ADP.InvalidDataType(TypeCode.UInt32); case TypeCode.UInt64: throw ADP.InvalidDataType(TypeCode.UInt64); case TypeCode.Object: if (dataType == typeof(System.Byte[])) value = this.Adjust((System.Byte[])value); else if (dataType == typeof(System.Char[])) value = this.Adjust((System.Char[])value); else if (dataType == typeof(System.Guid)) value = this.Adjust((System.Guid)value); else if (dataType == typeof(System.Object)) { // throw ADP.InvalidDataType(TypeCode.UInt64); } else if (dataType == typeof(SqlBinary)) value = this.Adjust((SqlBinary)value); else if (dataType == typeof(SqlBoolean)) value = this.Adjust((SqlBoolean)value); else if (dataType == typeof(SqlByte)) value = this.Adjust((SqlByte)value); else if (dataType == typeof(SqlDateTime)) value = this.Adjust((SqlDateTime)value); else if (dataType == typeof(SqlDouble)) value = this.Adjust((SqlDouble)value); else if (dataType == typeof(SqlGuid)) value = this.Adjust((SqlGuid)value); else if (dataType == typeof(SqlInt16)) value = this.Adjust((SqlInt16)value); else if (dataType == typeof(SqlInt32)) value = this.Adjust((SqlInt32)value); else if (dataType == typeof(SqlInt64)) value = this.Adjust((SqlInt64)value); else if (dataType == typeof(SqlMoney)) value = this.Adjust((SqlMoney)value); else if (dataType == typeof(SqlDecimal)) value = this.Adjust((SqlDecimal)value); else if (dataType == typeof(SqlSingle)) value = this.Adjust((SqlSingle)value); else if (dataType == typeof(SqlString)) value = this.Adjust((SqlString)value); else if (dataType == typeof(SqlChars)) value = this.Adjust((SqlChars)value); else if (dataType == typeof(SqlBytes)) value = this.Adjust((SqlBytes)value); else if (dataType == typeof(SqlXml)) value = this.Adjust((SqlXml)value); else if (dataType == typeof(TimeSpan)) value = this.Adjust((TimeSpan)value); else if (dataType == typeof(DateTimeOffset)) value = this.Adjust((DateTimeOffset)value); else { // Handle UDTs? throw ADP.UnknownDataType(dataType); } break; default: throw ADP.UnknownDataTypeCode(dataType, Type.GetTypeCode(dataType)); } return value; } // Used for converting from the old _SqlMetaData to the new SqlMetaData static internal SqlMetaData GetNewSqlMetaDataFromOld(_SqlMetaData sqlMetaData, string name) { SqlCompareOptions compEnum; long lcid; long maxlen; SqlMetaData smdt; byte precision; byte scale; if (TdsEnums.UNKNOWN_PRECISION_SCALE != sqlMetaData.precision) { precision = sqlMetaData.precision; } else if (TdsEnums.UNKNOWN_PRECISION_SCALE != sqlMetaData.metaType.Precision) { precision = sqlMetaData.metaType.Precision; } else { precision = 0; } if (TdsEnums.UNKNOWN_PRECISION_SCALE != sqlMetaData.scale) { scale = sqlMetaData.scale; } else if (TdsEnums.UNKNOWN_PRECISION_SCALE != sqlMetaData.metaType.Scale) { scale = sqlMetaData.metaType.Scale; } else { scale = 0; } // Fix Bug 308062 percision and value constants taken from sxm_rgDefaults table at bottom of the file. if (sqlMetaData.metaType.SqlDbType == SqlDbType.TinyInt) { sqlMetaData.precision = 3; sqlMetaData.scale = 0; } else if (sqlMetaData.metaType.SqlDbType == SqlDbType.SmallInt) { sqlMetaData.precision = 5; sqlMetaData.scale = 0; } else if (sqlMetaData.metaType.SqlDbType == SqlDbType.Int) { sqlMetaData.precision = 10; sqlMetaData.scale = 0; } else if (sqlMetaData.metaType.SqlDbType == SqlDbType.BigInt) { sqlMetaData.precision = 19; sqlMetaData.scale = 0; } // SqlMetaData.MaxLength is number of chars if character datatype, number of // bytes otherwise if (SqlDbType.Variant == sqlMetaData.metaType.SqlDbType) { maxlen = sqlMetaData.length; // Bug: 302695 } else if (sqlMetaData.metaType.IsPlp) { maxlen = -1; // Bug: 302696 } else if (sqlMetaData.metaType.IsFixed) { maxlen = sqlMetaData.metaType.FixedLength; } else { maxlen = sqlMetaData.length; } // maxlen = -1 when the metaType.IsPlp - NVarChar(max) See Bug 302696 if (maxlen > 0 && (sqlMetaData.metaType.SqlDbType == SqlDbType.NChar || sqlMetaData.metaType.SqlDbType == SqlDbType.NVarChar || sqlMetaData.metaType.SqlDbType == SqlDbType.NText)) maxlen /= 2; if (sqlMetaData.collation != null) { lcid = (long) sqlMetaData.collation.LCID; compEnum = sqlMetaData.collation.SqlCompareOptions; } else { lcid = 0; compEnum = SqlCompareOptions.None; } if(sqlMetaData.metaType.SqlDbType == SqlDbType.Udt) { SqlConnection.CheckGetExtendedUDTInfo(sqlMetaData, true); smdt = new SqlMetaData(name, SqlDbType.Udt, sqlMetaData.udtType); } else { smdt = new SqlMetaData( name, sqlMetaData.metaType.SqlDbType, maxlen, precision, scale, lcid, compEnum, sqlMetaData.xmlSchemaCollectionDatabase, sqlMetaData.xmlSchemaCollectionOwningSchema, sqlMetaData.xmlSchemaCollectionName, sqlMetaData.metaType.IsPlp, null); } return smdt; } public static SqlMetaData InferFromValue(object value, String name) { if (value == null) throw ADP.ArgumentNull("value"); SqlMetaData smd = null; Type dataType = value.GetType(); switch (Type.GetTypeCode(dataType)) { case TypeCode.Boolean: smd = new SqlMetaData(name, SqlDbType.Bit); break; case TypeCode.Byte: smd = new SqlMetaData(name, SqlDbType.TinyInt); break; case TypeCode.Char: smd = new SqlMetaData(name, SqlDbType.NVarChar, 1 ); break; case TypeCode.DateTime: smd = new SqlMetaData(name, SqlDbType.DateTime); break; case TypeCode.DBNull: throw ADP.InvalidDataType(TypeCode.DBNull); case TypeCode.Decimal: { // Add brackets in order to contain scope declare local variable "sd" // use logic inside SqlDecimal to infer precision and scale. SqlDecimal sd = new SqlDecimal((Decimal)value); smd = new SqlMetaData(name, SqlDbType.Decimal, sd.Precision, sd.Scale); } break; case TypeCode.Double: smd = new SqlMetaData(name, SqlDbType.Float); break; case TypeCode.Empty: throw ADP.InvalidDataType(TypeCode.Empty); case TypeCode.Int16: smd = new SqlMetaData(name, SqlDbType.SmallInt); break; case TypeCode.Int32: smd = new SqlMetaData(name, SqlDbType.Int); break; case TypeCode.Int64: smd = new SqlMetaData(name, SqlDbType.BigInt); break; case TypeCode.SByte: throw ADP.InvalidDataType(TypeCode.SByte); case TypeCode.Single: smd = new SqlMetaData(name, SqlDbType.Real); break; case TypeCode.String: { long maxLen = ((String)value).Length; if (maxLen < 1) maxLen = 1; if (x_lServerMaxUnicode < maxLen) maxLen = Max; smd = new SqlMetaData(name, SqlDbType.NVarChar, maxLen); } break; case TypeCode.UInt16: throw ADP.InvalidDataType(TypeCode.UInt16); case TypeCode.UInt32: throw ADP.InvalidDataType(TypeCode.UInt32); case TypeCode.UInt64: throw ADP.InvalidDataType(TypeCode.UInt64); case TypeCode.Object: if (dataType == typeof(System.Byte[])) { long maxLen = ((System.Byte[])value).Length; if (maxLen < 1) maxLen = 1; if (x_lServerMaxBinary < maxLen) maxLen = Max; smd = new SqlMetaData(name, SqlDbType.VarBinary, maxLen); } else if (dataType == typeof(System.Char[])) { long maxLen = ((System.Char[])value).Length; if (maxLen < 1) maxLen = 1; if (x_lServerMaxUnicode < maxLen) maxLen = Max; smd = new SqlMetaData(name, SqlDbType.NVarChar, maxLen); } else if (dataType == typeof(System.Guid)) smd = new SqlMetaData(name, SqlDbType.UniqueIdentifier); else if (dataType == typeof(System.Object)) smd = new SqlMetaData(name, SqlDbType.Variant); else if (dataType == typeof(SqlBinary)) { long maxLen; SqlBinary sb = ((SqlBinary) value); if (!sb.IsNull) { maxLen = sb.Length; if (maxLen < 1) maxLen = 1; if (x_lServerMaxBinary < maxLen) maxLen = Max; } else maxLen = sxm_rgDefaults[(int)SqlDbType.VarBinary].MaxLength; smd = new SqlMetaData(name, SqlDbType.VarBinary, maxLen); } else if (dataType == typeof(SqlBoolean)) smd = new SqlMetaData(name, SqlDbType.Bit); else if (dataType == typeof(SqlByte)) smd = new SqlMetaData(name, SqlDbType.TinyInt); else if (dataType == typeof(SqlDateTime)) smd = new SqlMetaData(name, SqlDbType.DateTime); else if (dataType == typeof(SqlDouble)) smd = new SqlMetaData(name, SqlDbType.Float); else if (dataType == typeof(SqlGuid)) smd = new SqlMetaData(name, SqlDbType.UniqueIdentifier); else if (dataType == typeof(SqlInt16)) smd = new SqlMetaData(name, SqlDbType.SmallInt); else if (dataType == typeof(SqlInt32)) smd = new SqlMetaData(name, SqlDbType.Int); else if (dataType == typeof(SqlInt64)) smd = new SqlMetaData(name, SqlDbType.BigInt); else if (dataType == typeof(SqlMoney)) smd = new SqlMetaData(name, SqlDbType.Money); else if (dataType == typeof(SqlDecimal)) { byte bPrec; byte scale; SqlDecimal sd = (SqlDecimal) value; if (!sd.IsNull) { bPrec = sd.Precision; scale = sd.Scale; } else { bPrec = sxm_rgDefaults[(int)SqlDbType.Decimal].Precision; scale = sxm_rgDefaults[(int)SqlDbType.Decimal].Scale; } smd = new SqlMetaData(name, SqlDbType.Decimal, bPrec, scale); } else if (dataType == typeof(SqlSingle)) smd = new SqlMetaData(name, SqlDbType.Real); else if (dataType == typeof(SqlString)) { SqlString ss = (SqlString)value; if (!ss.IsNull) { long maxLen = ss.Value.Length; if (maxLen < 1) maxLen = 1; if (maxLen > x_lServerMaxUnicode) maxLen = Max; smd = new SqlMetaData(name, SqlDbType.NVarChar, maxLen, ss.LCID, ss.SqlCompareOptions); } else { smd = new SqlMetaData(name, SqlDbType.NVarChar, sxm_rgDefaults[(int)SqlDbType.NVarChar].MaxLength); } } else if (dataType == typeof(SqlChars)) { long maxLen; SqlChars sch = (SqlChars)value; if (!sch.IsNull) { maxLen = sch.Length; if (maxLen < 1) maxLen = 1; if (maxLen > x_lServerMaxUnicode) maxLen = Max; } else maxLen = sxm_rgDefaults[(int)SqlDbType.NVarChar].MaxLength; smd = new SqlMetaData(name, SqlDbType.NVarChar, maxLen); } else if (dataType == typeof(SqlBytes)) { long maxLen; SqlBytes sb = (SqlBytes)value; if (!sb.IsNull) { maxLen = sb.Length; if (maxLen < 1) maxLen = 1; else if (x_lServerMaxBinary < maxLen) maxLen = Max; } else maxLen = sxm_rgDefaults[(int)SqlDbType.VarBinary].MaxLength; smd = new SqlMetaData(name, SqlDbType.VarBinary, maxLen); } else if (dataType == typeof(SqlXml)) smd = new SqlMetaData(name, SqlDbType.Xml); else if (dataType == typeof(TimeSpan)) smd = new SqlMetaData(name, SqlDbType.Time, 0, InferScaleFromTimeTicks(((TimeSpan)value).Ticks)); else if (dataType == typeof(DateTimeOffset)) smd = new SqlMetaData(name, SqlDbType.DateTimeOffset, 0, InferScaleFromTimeTicks(((DateTimeOffset)value).Ticks)); else throw ADP.UnknownDataType(dataType); break; default: throw ADP.UnknownDataTypeCode(dataType, Type.GetTypeCode(dataType)); } return smd; } public bool Adjust(bool value) { if (SqlDbType.Bit != SqlDbType) ThrowInvalidType(); return value; } public byte Adjust(byte value) { if (SqlDbType.TinyInt != SqlDbType) ThrowInvalidType(); return value; } public byte[] Adjust(byte[] value) { if (SqlDbType.Binary == SqlDbType || SqlDbType.Timestamp == SqlDbType) { //DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(byte[]): Fixed-length type with Max length!"); // Don't pad null values if (null != value) { // Pad fixed-length types if (value.Length < MaxLength) { byte[] rgbNewValue = new byte[ MaxLength ]; Array.Copy(value, rgbNewValue, value.Length); Array.Clear(rgbNewValue, value.Length, (int) rgbNewValue.Length - value.Length); return rgbNewValue; } } } else if (SqlDbType.VarBinary != SqlDbType && SqlDbType.Image != SqlDbType) ThrowInvalidType(); // Handle null values after type check if (null == value) { return null; } // trim all types if (value.Length > MaxLength && Max != MaxLength) { byte[] rgbNewValue = new byte[ MaxLength]; Array.Copy(value, rgbNewValue, (int)MaxLength); value = rgbNewValue; } return value; } public char Adjust(char value) { if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType) { if (1 != MaxLength) ThrowInvalidType(); } else if ( (1 > MaxLength) || // char must have max length of at least 1 (SqlDbType.VarChar != SqlDbType && SqlDbType.NVarChar != SqlDbType && SqlDbType.Text != SqlDbType && SqlDbType.NText != SqlDbType) ) ThrowInvalidType(); return value; } public char[] Adjust(char[] value) { if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType) { //DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(byte[]): Fixed-length type with Max length!"); // Don't pad null values if (null != value) { // Pad fixed-length types long oldLength = value.Length; if (oldLength < MaxLength) { char[] rgchNew = new char[ (int)MaxLength ]; Array.Copy(value, rgchNew, (int)oldLength); // pad extra space for(long i=oldLength; i MaxLength && Max != MaxLength) { char[] rgchNewValue = new char[ MaxLength ]; Array.Copy(value, rgchNewValue, (int)MaxLength); value = rgchNewValue; } return value; } internal static SqlMetaData GetPartialLengthMetaData(SqlMetaData md) { if (md.IsPartialLength == true) { return md; } if (md.SqlDbType == SqlDbType.Xml) ThrowInvalidType(); //Xml should always have IsPartialLength = true if (md.SqlDbType == SqlDbType.NVarChar || md.SqlDbType == SqlDbType.VarChar || md.SqlDbType == SqlDbType.VarBinary) { SqlMetaData mdnew = new SqlMetaData(md.Name, md.SqlDbType, SqlMetaData.Max, 0, 0, md.LocaleId, md.CompareOptions, null, null, null, true, md.Type); return mdnew; } else return md; } private static void ThrowInvalidType() { throw ADP.InvalidMetaDataValue(); } // Hard coding smalldatetime limits... private static readonly DateTime x_dtSmallMax = new DateTime(2079, 06, 06, 23, 59, 29, 998); private static readonly DateTime x_dtSmallMin = new DateTime(1899, 12, 31, 23, 59, 29, 999); void VerifyDateTimeRange(DateTime value) { if (SqlDbType.SmallDateTime == SqlDbType && (x_dtSmallMax < value || x_dtSmallMin > value)) ThrowInvalidType(); } private static readonly SqlMoney x_smSmallMax = new SqlMoney(((Decimal)Int32.MaxValue)/10000); private static readonly SqlMoney x_smSmallMin = new SqlMoney(((Decimal)Int32.MinValue)/10000); void VerifyMoneyRange(SqlMoney value) { if (SqlDbType.SmallMoney == SqlDbType && ((x_smSmallMax < value).Value || (x_smSmallMin > value).Value)) ThrowInvalidType(); } private SqlDecimal InternalAdjustSqlDecimal(SqlDecimal value) { if (!value.IsNull && (value.Precision != Precision || value.Scale != Scale)) { // SQLBU 402377 Force truncation if target scale is smaller than actual scale. if (value.Scale != Scale) { value = SqlDecimal.AdjustScale(value, Scale - value.Scale, false /* Don't round, truncate. */); } return SqlDecimal.ConvertToPrecScale(value, Precision, Scale); } return value; } private static readonly TimeSpan x_timeMin = TimeSpan.Zero; private static readonly TimeSpan x_timeMax = new TimeSpan(TimeSpan.TicksPerDay - 1); private void VerifyTimeRange(TimeSpan value) { if (SqlDbType.Time == SqlDbType && (x_timeMin > value || value > x_timeMax)) { ThrowInvalidType(); } } private static readonly Int64[] __unitTicksFromScale = { 10000000, 1000000, 100000, 10000, 1000, 100, 10, 1, }; private Int64 InternalAdjustTimeTicks(Int64 ticks) { return (ticks / __unitTicksFromScale[Scale] * __unitTicksFromScale[Scale]); } private static byte InferScaleFromTimeTicks(Int64 ticks) { for (byte scale = 0; scale < MaxTimeScale; ++scale) { if ((ticks / __unitTicksFromScale[scale] * __unitTicksFromScale[scale]) == ticks) { return scale; } } return MaxTimeScale; } private static DbType[] sxm_rgSqlDbTypeToDbType = { DbType.Int64, // SqlDbType.BigInt DbType.Binary, // SqlDbType.Binary DbType.Boolean, // SqlDbType.Bit DbType.AnsiString, // SqlDbType.Char DbType.DateTime, // SqlDbType.DateTime DbType.Decimal, // SqlDbType.Decimal DbType.Double, // SqlDbType.Float DbType.Binary, // SqlDbType.Image DbType.Int32, // SqlDbType.Int DbType.Currency, // SqlDbType.Money DbType.String, // SqlDbType.NChar DbType.String, // SqlDbType.NText DbType.String, // SqlDbType.NVarChar DbType.Single, // SqlDbType.Real DbType.Guid, // SqlDbType.UniqueIdentifier DbType.DateTime, // SqlDbType.SmallDateTime DbType.Int16, // SqlDbType.SmallInt DbType.Currency, // SqlDbType.SmallMoney DbType.AnsiString, // SqlDbType.Text DbType.Binary, // SqlDbType.Timestamp DbType.Byte, // SqlDbType.TinyInt DbType.Binary, // SqlDbType.VarBinary DbType.AnsiString, // SqlDbType.VarChar DbType.Object, // SqlDbType.Variant DbType.Object, // SqlDbType.Row DbType.Xml, // SqlDbType.Xml DbType.String, // SqlDbType.NVarChar, place holder DbType.String, // SqlDbType.NVarChar, place holder DbType.String, // SqlDbType.NVarChar, place holder DbType.Object, // SqlDbType.Udt DbType.Object, // SqlDbType.Structured DbType.Date, // SqlDbType.Date DbType.Time, // SqlDbType.Time DbType.DateTime2, // SqlDbType.DateTime2 DbType.DateTimeOffset // SqlDbType.DateTimeOffset }; private void SetDefaultsForType( SqlDbType dbType ) { if ( SqlDbType.BigInt <= dbType && SqlDbType.DateTimeOffset >= dbType ) { SqlMetaData smdDflt = sxm_rgDefaults[(int)dbType]; m_sqlDbType = dbType; m_lMaxLength = smdDflt.MaxLength; m_bPrecision = smdDflt.Precision; m_bScale = smdDflt.Scale; m_lLocale = smdDflt.LocaleId; m_eCompareOptions = smdDflt.CompareOptions; } } // Array of default-valued metadata ordered by corresponding SqlDbType. internal static SqlMetaData[] sxm_rgDefaults = { // new SqlMetaData(name, DbType, SqlDbType, MaxLen, Prec, Scale, Locale, DatabaseName, SchemaName, isPartialLength) new SqlMetaData("bigint", SqlDbType.BigInt, 8, 19, 0, 0, SqlCompareOptions.None, false), // SqlDbType.BigInt new SqlMetaData("binary", SqlDbType.Binary, 1, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Binary new SqlMetaData("bit", SqlDbType.Bit, 1, 1, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Bit new SqlMetaData("char", SqlDbType.Char, 1, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.Char new SqlMetaData("datetime", SqlDbType.DateTime, 8, 23, 3, 0, SqlCompareOptions.None, false), // SqlDbType.DateTime new SqlMetaData("decimal", SqlDbType.Decimal, 9, 18, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Decimal new SqlMetaData("float", SqlDbType.Float, 8, 53, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Float new SqlMetaData("image", SqlDbType.Image, x_lMax, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Image new SqlMetaData("int", SqlDbType.Int, 4, 10, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Int new SqlMetaData("money", SqlDbType.Money, 8, 19, 4, 0, SqlCompareOptions.None, false), // SqlDbType.Money new SqlMetaData("nchar", SqlDbType.NChar, 1, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.NChar new SqlMetaData("ntext", SqlDbType.NText, x_lMax, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.NText new SqlMetaData("nvarchar", SqlDbType.NVarChar, x_lServerMaxUnicode, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.NVarChar new SqlMetaData("real", SqlDbType.Real, 4, 24, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Real new SqlMetaData("uniqueidentifier", SqlDbType.UniqueIdentifier, 16, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.UniqueIdentifier new SqlMetaData("smalldatetime", SqlDbType.SmallDateTime, 4, 16, 0, 0, SqlCompareOptions.None, false), // SqlDbType.SmallDateTime new SqlMetaData("smallint", SqlDbType.SmallInt, 2, 5, 0, 0, SqlCompareOptions.None, false), // SqlDbType.SmallInt new SqlMetaData("smallmoney", SqlDbType.SmallMoney, 4, 10, 4, 0, SqlCompareOptions.None, false), // SqlDbType.SmallMoney new SqlMetaData("text", SqlDbType.Text, x_lMax, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.Text new SqlMetaData("timestamp", SqlDbType.Timestamp, 8, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Timestamp new SqlMetaData("tinyint", SqlDbType.TinyInt, 1, 3, 0, 0, SqlCompareOptions.None, false), // SqlDbType.TinyInt new SqlMetaData("varbinary", SqlDbType.VarBinary, x_lServerMaxBinary, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.VarBinary new SqlMetaData("varchar", SqlDbType.VarChar, x_lServerMaxANSI, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.VarChar new SqlMetaData("sql_variant", SqlDbType.Variant, 8016, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Variant new SqlMetaData("nvarchar", SqlDbType.NVarChar, 1, 0, 0, 0, x_eDefaultStringCompareOptions, false), // Placeholder for value 24 new SqlMetaData("xml", SqlDbType.Xml, x_lMax, 0, 0, 0, x_eDefaultStringCompareOptions, true), // SqlDbType.Xml new SqlMetaData("nvarchar", SqlDbType.NVarChar, 1, 0, 0, 0, x_eDefaultStringCompareOptions, false), // Placeholder for value 26 new SqlMetaData("nvarchar", SqlDbType.NVarChar, x_lServerMaxUnicode, 0, 0, 0, x_eDefaultStringCompareOptions, false), // Placeholder for value 27 new SqlMetaData("nvarchar", SqlDbType.NVarChar, x_lServerMaxUnicode, 0, 0, 0, x_eDefaultStringCompareOptions, false), // Placeholder for value 28 new SqlMetaData("udt", SqlDbType.Udt, 0, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Udt = 29 Bug Fix: 302698 new SqlMetaData("table", SqlDbType.Structured, 0, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Structured new SqlMetaData("date", SqlDbType.Date, 3, 10,0, 0, SqlCompareOptions.None, false), // SqlDbType.Date new SqlMetaData("time", SqlDbType.Time, 5, 0, 7, 0, SqlCompareOptions.None, false), // SqlDbType.Time new SqlMetaData("datetime2", SqlDbType.DateTime2, 8, 0, 7, 0, SqlCompareOptions.None, false), // SqlDbType.DateTime2 new SqlMetaData("datetimeoffset", SqlDbType.DateTimeOffset, 10, 0, 7, 0, SqlCompareOptions.None, false), // SqlDbType.DateTimeOffset }; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ // // Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //[....] //----------------------------------------------------------------------------- namespace Microsoft.SqlServer.Server { using System; using System.Data; using System.Data.Common; using System.Diagnostics; using System.Globalization; using System.Data.SqlTypes; using System.Data.SqlClient; // class SqlMetaData // Simple immutable implementation of the a metadata-holding class. Only // complexities are: // 1) enforcing immutability. // 2) Inferring type from a value. // 3) Adjusting a value to match the metadata. public sealed class SqlMetaData { private string m_strName; private long m_lMaxLength; private SqlDbType m_sqlDbType; private byte m_bPrecision; private byte m_bScale; private long m_lLocale; private SqlCompareOptions m_eCompareOptions; private string m_XmlSchemaCollectionDatabase; private string m_XmlSchemaCollectionOwningSchema; private string m_XmlSchemaCollectionName; private string m_serverTypeName; private bool m_bPartialLength; private Type m_udttype; private bool m_useServerDefault; private bool m_isUniqueKey; private SortOrder m_columnSortOrder; private int m_sortOrdinal; // unlimited (except by implementation) max-length. private const long x_lMax = -1; private const long x_lServerMaxUnicode = 4000; private const long x_lServerMaxANSI = 8000; private const long x_lServerMaxBinary = 8000; private const bool x_defaultUseServerDefault = false; private const bool x_defaultIsUniqueKey = false; private const SortOrder x_defaultColumnSortOrder = SortOrder.Unspecified; private const int x_defaultSortOrdinal = -1; private const SqlCompareOptions x_eDefaultStringCompareOptions = SqlCompareOptions.IgnoreCase | SqlCompareOptions.IgnoreKanaType | SqlCompareOptions.IgnoreWidth; // scalar types constructor without tvp extended properties public SqlMetaData(String name, SqlDbType dbType) { Construct(name, dbType, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal); } // scalar types constructor public SqlMetaData(String name, SqlDbType dbType, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { Construct(name, dbType, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); } // binary or string constructor with only max length // (for string types, locale and compare options will be picked up from the thread. public SqlMetaData(String name, SqlDbType dbType, long maxLength) { Construct(name, dbType, maxLength, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal); } // binary or string constructor with only max length and tvp extended properties // (for string types, locale and compare options will be picked up from the thread. public SqlMetaData(String name, SqlDbType dbType, long maxLength, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { Construct(name, dbType, maxLength, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); } // udt ctor without tvp extended properties public SqlMetaData(String name, SqlDbType dbType, Type userDefinedType) { Construct(name, dbType, userDefinedType, null, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal); } // udt ctor without tvp extended properties public SqlMetaData(String name, SqlDbType dbType, Type userDefinedType, string serverTypeName) { Construct(name, dbType, userDefinedType, serverTypeName, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal); } // udt ctor public SqlMetaData(String name, SqlDbType dbType, Type userDefinedType, string serverTypeName, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { Construct(name, dbType, userDefinedType, serverTypeName, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); } // decimal ctor without tvp extended properties public SqlMetaData(String name, SqlDbType dbType, byte precision, byte scale) { Construct(name, dbType, precision, scale, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal); } // decimal ctor public SqlMetaData(string name, SqlDbType dbType, byte precision, byte scale, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { Construct(name, dbType, precision, scale, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); } // string type constructor with locale and compare options, no tvp extended properties public SqlMetaData(String name, SqlDbType dbType, long maxLength, long locale, SqlCompareOptions compareOptions) { Construct(name, dbType, maxLength, locale, compareOptions, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal); } // string type constructor with locale and compare options public SqlMetaData(String name, SqlDbType dbType, long maxLength, long locale, SqlCompareOptions compareOptions, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { Construct(name, dbType, maxLength, locale, compareOptions, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); } // typed xml ctor public SqlMetaData(String name, SqlDbType dbType, string database, string owningSchema, string objectName, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { Construct(name, dbType, database, owningSchema, objectName, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); } // everything except xml schema and tvp properties ctor public SqlMetaData(String name, SqlDbType dbType, long maxLength, byte precision, byte scale, long locale, SqlCompareOptions compareOptions, Type userDefinedType) : this(name, dbType, maxLength, precision, scale, locale, compareOptions, userDefinedType, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal) { } // everything except xml schema ctor public SqlMetaData(String name, SqlDbType dbType, long maxLength, byte precision, byte scale, long localeId, SqlCompareOptions compareOptions, Type userDefinedType, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { switch (dbType) { case SqlDbType.BigInt: case SqlDbType.Image: case SqlDbType.Timestamp: case SqlDbType.Bit: case SqlDbType.DateTime: case SqlDbType.SmallDateTime: case SqlDbType.Real: case SqlDbType.Int: case SqlDbType.Money: case SqlDbType.SmallMoney: case SqlDbType.Float: case SqlDbType.UniqueIdentifier: case SqlDbType.SmallInt: case SqlDbType.TinyInt: case SqlDbType.Xml: case SqlDbType.Date: Construct(name, dbType, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); break; case SqlDbType.Binary: case SqlDbType.VarBinary: Construct(name, dbType, maxLength, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); break; case SqlDbType.Char: case SqlDbType.NChar: case SqlDbType.NVarChar: case SqlDbType.VarChar: Construct(name, dbType, maxLength, localeId, compareOptions, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); break; case SqlDbType.NText: case SqlDbType.Text: // SQLBU # : We should ignore user's max length and use Max instead to avoid exception Construct(name, dbType, Max, localeId, compareOptions, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); break; case SqlDbType.Decimal: case SqlDbType.Time: case SqlDbType.DateTime2: case SqlDbType.DateTimeOffset: Construct(name, dbType, precision, scale, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); break; case SqlDbType.Variant: Construct(name, dbType, useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); break; case SqlDbType.Udt: Construct(name, dbType, userDefinedType, "", useServerDefault, isUniqueKey, columnSortOrder, sortOrdinal); break; default: SQL.InvalidSqlDbTypeForConstructor(dbType); break; } } public SqlMetaData(String name, SqlDbType dbType, string database, string owningSchema, string objectName) { Construct(name, dbType, database, owningSchema, objectName, x_defaultUseServerDefault, x_defaultIsUniqueKey, x_defaultColumnSortOrder, x_defaultSortOrdinal); } // Most general constructor, should be able to intialize all SqlMetaData fields.(Used by SqlParameter) internal SqlMetaData (String name, SqlDbType sqlDBType, long maxLength, byte precision, byte scale, long localeId, SqlCompareOptions compareOptions, string xmlSchemaCollectionDatabase, string xmlSchemaCollectionOwningSchema, string xmlSchemaCollectionName, bool partialLength, Type udtType) { AssertNameIsValid(name); m_strName = name; m_sqlDbType = sqlDBType; m_lMaxLength = maxLength; m_bPrecision = precision; m_bScale = scale; m_lLocale = localeId; m_eCompareOptions = compareOptions; m_XmlSchemaCollectionDatabase = xmlSchemaCollectionDatabase; m_XmlSchemaCollectionOwningSchema = xmlSchemaCollectionOwningSchema; m_XmlSchemaCollectionName = xmlSchemaCollectionName; m_bPartialLength = partialLength; m_udttype = udtType; } // Private constructor used to initialize default instance array elements. // DO NOT EXPOSE OUTSIDE THIS CLASS! It performs no validation. private SqlMetaData (String name, SqlDbType sqlDbType, long maxLength, byte precision, byte scale, long localeId, SqlCompareOptions compareOptions, bool partialLength) { AssertNameIsValid(name); m_strName = name; m_sqlDbType = sqlDbType; m_lMaxLength = maxLength; m_bPrecision = precision; m_bScale = scale; m_lLocale = localeId; m_eCompareOptions = compareOptions; m_bPartialLength = partialLength; m_udttype = null; } public SqlCompareOptions CompareOptions { get { return m_eCompareOptions; } } public DbType DbType { get { return sxm_rgSqlDbTypeToDbType[(int)m_sqlDbType]; } } public bool IsUniqueKey { get { return m_isUniqueKey; } } public long LocaleId { get{ return m_lLocale; } } public static long Max { get { return x_lMax; } } public long MaxLength { get { return m_lMaxLength; } } public string Name { get { return m_strName; } } public byte Precision { get { return m_bPrecision; } } public byte Scale { get { return m_bScale; } } public SortOrder SortOrder { get { return m_columnSortOrder; } } public int SortOrdinal { get { return m_sortOrdinal; } } public SqlDbType SqlDbType { get { return m_sqlDbType; } } public Type Type { get { return m_udttype; } } public string TypeName { get { if (m_serverTypeName != null) { return m_serverTypeName; } else if (SqlDbType == SqlDbType.Udt) { return UdtTypeName; } else { return sxm_rgDefaults[(int)SqlDbType].Name; } } } internal string ServerTypeName { get { return m_serverTypeName; } } public bool UseServerDefault { get { return m_useServerDefault; } } public string XmlSchemaCollectionDatabase { get { return m_XmlSchemaCollectionDatabase; } } public string XmlSchemaCollectionName { get { return m_XmlSchemaCollectionName; } } public string XmlSchemaCollectionOwningSchema { get { return m_XmlSchemaCollectionOwningSchema; } } internal bool IsPartialLength { get { return m_bPartialLength; } } internal string UdtTypeName { get{ if(SqlDbType != SqlDbType.Udt) { return null; } else if (m_udttype == null) { return null; } else { return m_udttype.FullName; } } } // Construction for all types that do not have variable attributes private void Construct(String name, SqlDbType dbType, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { AssertNameIsValid(name); ValidateSortOrder(columnSortOrder, sortOrdinal); // Check for absense of explicitly-allowed types to avoid unexpected additions when new types are added if (!( SqlDbType.BigInt == dbType || SqlDbType.Bit == dbType || SqlDbType.DateTime == dbType || SqlDbType.Date == dbType || SqlDbType.DateTime2 == dbType || SqlDbType.DateTimeOffset == dbType || SqlDbType.Decimal == dbType || SqlDbType.Float == dbType || SqlDbType.Image == dbType || SqlDbType.Int == dbType || SqlDbType.Money == dbType || SqlDbType.NText == dbType || SqlDbType.Real == dbType || SqlDbType.SmallDateTime == dbType || SqlDbType.SmallInt == dbType || SqlDbType.SmallMoney == dbType || SqlDbType.Text == dbType || SqlDbType.Time == dbType || SqlDbType.Timestamp == dbType || SqlDbType.TinyInt == dbType || SqlDbType.UniqueIdentifier == dbType || SqlDbType.Variant == dbType || SqlDbType.Xml == dbType) ) throw SQL.InvalidSqlDbTypeForConstructor(dbType); SetDefaultsForType( dbType ); if (SqlDbType.NText == dbType || SqlDbType.Text == dbType) { m_lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID; } m_strName = name; m_useServerDefault = useServerDefault; m_isUniqueKey = isUniqueKey; m_columnSortOrder = columnSortOrder; m_sortOrdinal = sortOrdinal; } // Construction for all types that vary by user-specified length (not Udts) private void Construct(String name, SqlDbType dbType, long maxLength, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { AssertNameIsValid(name); ValidateSortOrder(columnSortOrder, sortOrdinal); long lLocale = 0; if (SqlDbType.Char == dbType) { if (maxLength > x_lServerMaxANSI || maxLength < 0) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID; } else if (SqlDbType.VarChar == dbType) { if ((maxLength > x_lServerMaxANSI || maxLength < 0) && maxLength != Max) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID; } else if (SqlDbType.NChar == dbType) { if (maxLength > x_lServerMaxUnicode || maxLength < 0) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID; } else if (SqlDbType.NVarChar == dbType) { if ((maxLength > x_lServerMaxUnicode || maxLength < 0) && maxLength != Max) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID; } else if (SqlDbType.NText == dbType || SqlDbType.Text == dbType) { // old-style lobs only allowed with Max length if (SqlMetaData.Max != maxLength) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); lLocale = System.Globalization.CultureInfo.CurrentCulture.LCID; } else if (SqlDbType.Binary == dbType) { if (maxLength > x_lServerMaxBinary || maxLength < 0) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else if (SqlDbType.VarBinary == dbType) { if ((maxLength > x_lServerMaxBinary || maxLength < 0) && maxLength != Max) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else if (SqlDbType.Image == dbType) { // old-style lobs only allowed with Max length if (SqlMetaData.Max != maxLength) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else throw SQL.InvalidSqlDbTypeForConstructor(dbType); SetDefaultsForType( dbType ); m_strName = name; m_lMaxLength = maxLength; m_lLocale = lLocale; m_useServerDefault = useServerDefault; m_isUniqueKey = isUniqueKey; m_columnSortOrder = columnSortOrder; m_sortOrdinal = sortOrdinal; } // Construction for string types with specified locale/compare options private void Construct(String name, SqlDbType dbType, long maxLength, long locale, SqlCompareOptions compareOptions, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { AssertNameIsValid(name); ValidateSortOrder(columnSortOrder, sortOrdinal); // Validate type and max length. if (SqlDbType.Char == dbType) { if (maxLength > x_lServerMaxANSI || maxLength < 0) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else if (SqlDbType.VarChar == dbType) { if ((maxLength > x_lServerMaxANSI || maxLength < 0) && maxLength != Max) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else if (SqlDbType.NChar == dbType) { if (maxLength > x_lServerMaxUnicode || maxLength < 0) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else if (SqlDbType.NVarChar == dbType) { if ((maxLength > x_lServerMaxUnicode || maxLength < 0) && maxLength != Max) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else if (SqlDbType.NText == dbType || SqlDbType.Text == dbType) { // old-style lobs only allowed with Max length if (SqlMetaData.Max != maxLength) throw ADP.Argument(Res.GetString(Res.ADP_InvalidDataLength2, maxLength.ToString(CultureInfo.InvariantCulture)), "maxLength"); } else throw SQL.InvalidSqlDbTypeForConstructor(dbType); // Validate locale? // Validate compare options // Binary sort must be by itself. // Nothing else but the Ignore bits is allowed. if (SqlCompareOptions.BinarySort != compareOptions && 0 != (~((int)SqlCompareOptions.IgnoreCase | (int)SqlCompareOptions.IgnoreNonSpace | (int)SqlCompareOptions.IgnoreKanaType | (int)SqlCompareOptions.IgnoreWidth) & (int)compareOptions)) throw ADP.InvalidEnumerationValue(typeof(SqlCompareOptions), (int)compareOptions); SetDefaultsForType( dbType ); m_strName = name; m_lMaxLength = maxLength; m_lLocale = locale; m_eCompareOptions = compareOptions; m_useServerDefault = useServerDefault; m_isUniqueKey = isUniqueKey; m_columnSortOrder = columnSortOrder; m_sortOrdinal = sortOrdinal; } private static byte[] __maxLenFromPrecision = new byte[] {5,5,5,5,5,5,5,5,5,9,9,9,9,9, 9,9,9,9,9,13,13,13,13,13,13,13,13,13,17,17,17,17,17,17,17,17,17,17}; private const byte MaxTimeScale = 7; private static byte[] __maxVarTimeLenOffsetFromScale = new byte[] { 2, 2, 2, 1, 1, 0, 0, 0 }; // Construction for Decimal type and new Katmai Date/Time types private void Construct( String name, SqlDbType dbType, byte precision, byte scale, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal ) { AssertNameIsValid(name); ValidateSortOrder(columnSortOrder, sortOrdinal); if (SqlDbType.Decimal == dbType) { if (precision > SqlDecimal.MaxPrecision || scale > precision) throw SQL.PrecisionValueOutOfRange(precision); if (scale > SqlDecimal.MaxScale) throw SQL.ScaleValueOutOfRange(scale); } else if (SqlDbType.Time == dbType || SqlDbType.DateTime2 == dbType || SqlDbType.DateTimeOffset == dbType) { if (scale > MaxTimeScale) { throw SQL.TimeScaleValueOutOfRange(scale); } } else { throw SQL.InvalidSqlDbTypeForConstructor(dbType); } SetDefaultsForType(dbType); m_strName = name; m_bPrecision = precision; m_bScale = scale; if (SqlDbType.Decimal == dbType) { m_lMaxLength = __maxLenFromPrecision[precision - 1]; } else { m_lMaxLength -= __maxVarTimeLenOffsetFromScale[scale]; } m_useServerDefault = useServerDefault; m_isUniqueKey = isUniqueKey; m_columnSortOrder = columnSortOrder; m_sortOrdinal = sortOrdinal; } // Construction for Udt type private void Construct(String name, SqlDbType dbType, Type userDefinedType, string serverTypeName, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { AssertNameIsValid(name); ValidateSortOrder(columnSortOrder, sortOrdinal); if (SqlDbType.Udt != dbType) throw SQL.InvalidSqlDbTypeForConstructor(dbType); if (null == userDefinedType) throw ADP.ArgumentNull("userDefinedType"); SetDefaultsForType(SqlDbType.Udt); m_strName = name; m_lMaxLength = SerializationHelperSql9.GetUdtMaxLength( userDefinedType ); m_udttype = userDefinedType; m_serverTypeName = serverTypeName; m_useServerDefault = useServerDefault; m_isUniqueKey = isUniqueKey; m_columnSortOrder = columnSortOrder; m_sortOrdinal = sortOrdinal; } // Construction for Xml type private void Construct(String name, SqlDbType dbType, string database, string owningSchema, string objectName, bool useServerDefault, bool isUniqueKey, SortOrder columnSortOrder, int sortOrdinal) { AssertNameIsValid(name); ValidateSortOrder(columnSortOrder, sortOrdinal); if (SqlDbType.Xml != dbType) throw SQL.InvalidSqlDbTypeForConstructor(dbType); if (null != database || null != owningSchema) { if (null == objectName) { throw ADP.ArgumentNull("objectName"); } } SetDefaultsForType(SqlDbType.Xml); m_strName = name; m_XmlSchemaCollectionDatabase = database; m_XmlSchemaCollectionOwningSchema = owningSchema; m_XmlSchemaCollectionName = objectName; m_useServerDefault = useServerDefault; m_isUniqueKey = isUniqueKey; m_columnSortOrder = columnSortOrder; m_sortOrdinal = sortOrdinal; } private void AssertNameIsValid(string name) { if (null == name) throw ADP.ArgumentNull("name"); if (Microsoft.SqlServer.Server.SmiMetaData.MaxNameLength < name.Length) throw SQL.NameTooLong("name"); } private void ValidateSortOrder(SortOrder columnSortOrder, int sortOrdinal) { // Check that sort order is valid enum value. if (SortOrder.Unspecified != columnSortOrder && SortOrder.Ascending != columnSortOrder && SortOrder.Descending != columnSortOrder) { throw SQL.InvalidSortOrder(columnSortOrder); } // Must specify both sort order and ordinal, or neither if ( (SortOrder.Unspecified == columnSortOrder) != (x_defaultSortOrdinal == sortOrdinal)) { throw SQL.MustSpecifyBothSortOrderAndOrdinal(columnSortOrder, sortOrdinal); } } public Int16 Adjust(Int16 value) { if (SqlDbType.SmallInt != SqlDbType) ThrowInvalidType(); return value; } public Int32 Adjust(Int32 value) { if (SqlDbType.Int != SqlDbType) ThrowInvalidType(); return value; } public Int64 Adjust(Int64 value) { if (SqlDbType.BigInt != SqlDbType) ThrowInvalidType(); return value; } public float Adjust(float value) { if (SqlDbType.Real != SqlDbType) ThrowInvalidType(); return value; } public double Adjust(double value) { if (SqlDbType.Float != SqlDbType) ThrowInvalidType(); return value; } public string Adjust(string value) { if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType) { //DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(string): Fixed-length type with Max length!"); // Don't pad null values if (null != value) { // Pad if necessary if (value.Length < MaxLength) value = value.PadRight((int)MaxLength); } } else if (SqlDbType.VarChar != SqlDbType && SqlDbType.NVarChar != SqlDbType && SqlDbType.Text != SqlDbType && SqlDbType.NText != SqlDbType) { ThrowInvalidType(); } // Handle null values after type check if (null == value) { return null; } if (value.Length > MaxLength && Max != MaxLength) value = value.Remove((int)MaxLength, (int)(value.Length - MaxLength)); return value; } public decimal Adjust(decimal value) { if (SqlDbType.Decimal != SqlDbType && SqlDbType.Money != SqlDbType && SqlDbType.SmallMoney != SqlDbType) { ThrowInvalidType(); } if (SqlDbType.Decimal != SqlDbType) { VerifyMoneyRange(new SqlMoney(value)); return value; } else { SqlDecimal sdValue = InternalAdjustSqlDecimal(new SqlDecimal(value)); return sdValue.Value; } } public DateTime Adjust(DateTime value) { if (SqlDbType.DateTime == SqlDbType || SqlDbType.SmallDateTime == SqlDbType) { VerifyDateTimeRange(value); } else if (SqlDbType.DateTime2 == SqlDbType) { return new DateTime(InternalAdjustTimeTicks(value.Ticks)); } else if (SqlDbType.Date == SqlDbType) { return value.Date; } else { ThrowInvalidType(); } return value; } public Guid Adjust(Guid value) { if (SqlDbType.UniqueIdentifier != SqlDbType) ThrowInvalidType(); return value; } public SqlBoolean Adjust(SqlBoolean value) { if (SqlDbType.Bit != SqlDbType) ThrowInvalidType(); return value; } public SqlByte Adjust(SqlByte value) { if (SqlDbType.TinyInt != SqlDbType) ThrowInvalidType(); return value; } public SqlInt16 Adjust(SqlInt16 value) { if (SqlDbType.SmallInt != SqlDbType) ThrowInvalidType(); return value; } public SqlInt32 Adjust(SqlInt32 value) { if (SqlDbType.Int != SqlDbType) ThrowInvalidType(); return value; } public SqlInt64 Adjust(SqlInt64 value) { if (SqlDbType.BigInt != SqlDbType) ThrowInvalidType(); return value; } public SqlSingle Adjust(SqlSingle value) { if (SqlDbType.Real != SqlDbType) ThrowInvalidType(); return value; } public SqlDouble Adjust(SqlDouble value) { if (SqlDbType.Float != SqlDbType) ThrowInvalidType(); return value; } public SqlMoney Adjust(SqlMoney value) { if (SqlDbType.Money != SqlDbType && SqlDbType.SmallMoney != SqlDbType) ThrowInvalidType(); if (!value.IsNull) VerifyMoneyRange(value); return value; } public SqlDateTime Adjust(SqlDateTime value) { if (SqlDbType.DateTime != SqlDbType && SqlDbType.SmallDateTime != SqlDbType) ThrowInvalidType(); if (!value.IsNull) VerifyDateTimeRange(value.Value); return value; } public SqlDecimal Adjust(SqlDecimal value) { if (SqlDbType.Decimal != SqlDbType) ThrowInvalidType(); return InternalAdjustSqlDecimal(value); } public SqlString Adjust(SqlString value) { if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType) { //DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(SqlString): Fixed-length type with Max length!"); // Don't pad null values if (!value.IsNull) { // Pad fixed-length types if (value.Value.Length < MaxLength) return new SqlString(value.Value.PadRight((int)MaxLength)); } } else if (SqlDbType.VarChar != SqlDbType && SqlDbType.NVarChar != SqlDbType && SqlDbType.Text != SqlDbType && SqlDbType.NText != SqlDbType) ThrowInvalidType(); // Handle null values after type check if (value.IsNull) { return value; } // trim all types if (value.Value.Length > MaxLength && Max != MaxLength) value = new SqlString(value.Value.Remove((int)MaxLength, (int)(value.Value.Length - MaxLength))); return value; } public SqlBinary Adjust(SqlBinary value) { if (SqlDbType.Binary == SqlDbType || SqlDbType.Timestamp == SqlDbType) { if (!value.IsNull) { // Pad fixed-length types if (value.Length < MaxLength) { byte[] rgbValue = value.Value; byte[] rgbNewValue = new byte[ MaxLength ]; Array.Copy(rgbValue, rgbNewValue, rgbValue.Length); Array.Clear(rgbNewValue, rgbValue.Length, rgbNewValue.Length - rgbValue.Length); return new SqlBinary(rgbNewValue); } } } else if (SqlDbType.VarBinary != SqlDbType && SqlDbType.Image != SqlDbType) ThrowInvalidType(); // Handle null values if (value.IsNull) { return value; } // trim all types if (value.Length > MaxLength && Max != MaxLength) { byte[] rgbValue = value.Value; byte[] rgbNewValue = new byte[ MaxLength ]; Array.Copy(rgbValue, rgbNewValue, (int)MaxLength); value = new SqlBinary(rgbNewValue); } return value; } public SqlGuid Adjust(SqlGuid value) { if (SqlDbType.UniqueIdentifier != SqlDbType) ThrowInvalidType(); return value; } public SqlChars Adjust(SqlChars value) { if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType) { //DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(SqlChars): Fixed-length type with Max length!"); // Don't pad null values if (null != value && !value.IsNull) { // Pad fixed-length types long oldLength = value.Length; if (oldLength < MaxLength) { // Make sure buffer is long enough if (value.MaxLength < MaxLength) { char[] rgchNew = new char[ (int)MaxLength ]; Array.Copy(value.Buffer, rgchNew, (int)oldLength); value = new SqlChars(rgchNew); } // pad extra space char[] rgchTemp = value.Buffer; for(long i=oldLength; iMaxLength && Max != MaxLength) value.SetLength(MaxLength); return value; } public SqlBytes Adjust(SqlBytes value) { if (SqlDbType.Binary == SqlDbType || SqlDbType.Timestamp == SqlDbType) { //DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(SqlBytes): Fixed-length type with Max length!"); // Don't pad null values if (null != value && !value.IsNull) { // Pad fixed-length types int oldLength = (int) value.Length; if (oldLength < MaxLength) { // Make sure buffer is long enough if (value.MaxLength < MaxLength) { byte[] rgbNew = new byte[ MaxLength ]; Array.Copy(value.Buffer, rgbNew, (int)oldLength); value = new SqlBytes(rgbNew); } // pad extra space byte[] rgbTemp = value.Buffer; Array.Clear(rgbTemp, oldLength, rgbTemp.Length - oldLength); value.SetLength(MaxLength); return value; } } } else if (SqlDbType.VarBinary != SqlDbType && SqlDbType.Image != SqlDbType) ThrowInvalidType(); // Handle null values after type check. if (null == value || value.IsNull) { return value; } // trim all types if (value.Length > MaxLength && Max != MaxLength) value.SetLength(MaxLength); return value; } public SqlXml Adjust(SqlXml value) { if (SqlDbType.Xml != SqlDbType) ThrowInvalidType(); return value; } public TimeSpan Adjust(TimeSpan value) { if (SqlDbType.Time != SqlDbType) ThrowInvalidType(); VerifyTimeRange(value); return new TimeSpan(InternalAdjustTimeTicks(value.Ticks)); } public DateTimeOffset Adjust(DateTimeOffset value) { if (SqlDbType.DateTimeOffset != SqlDbType) ThrowInvalidType(); return new DateTimeOffset(InternalAdjustTimeTicks(value.Ticks), value.Offset); } public object Adjust(object value) { // Pass null references through if (null == value) return null; Type dataType = value.GetType(); switch (Type.GetTypeCode(dataType)) { case TypeCode.Boolean: value = this.Adjust((Boolean)value); break; case TypeCode.Byte: value = this.Adjust((Byte)value); break; case TypeCode.Char: value = this.Adjust((Char)value); break; case TypeCode.DateTime: value = this.Adjust((DateTime)value); break; case TypeCode.DBNull: /* DBNull passes through as is for all types */ break; case TypeCode.Decimal: value = this.Adjust((Decimal)value); break; case TypeCode.Double: value = this.Adjust((Double)value); break; case TypeCode.Empty: throw ADP.InvalidDataType(TypeCode.Empty); case TypeCode.Int16: value = this.Adjust((Int16)value); break; case TypeCode.Int32: value = this.Adjust((Int32)value); break; case TypeCode.Int64: value = this.Adjust((Int64)value); break; case TypeCode.SByte: throw ADP.InvalidDataType(TypeCode.SByte); case TypeCode.Single: value = this.Adjust((Single)value); break; case TypeCode.String: value = this.Adjust((String)value); break; case TypeCode.UInt16: throw ADP.InvalidDataType(TypeCode.UInt16); case TypeCode.UInt32: throw ADP.InvalidDataType(TypeCode.UInt32); case TypeCode.UInt64: throw ADP.InvalidDataType(TypeCode.UInt64); case TypeCode.Object: if (dataType == typeof(System.Byte[])) value = this.Adjust((System.Byte[])value); else if (dataType == typeof(System.Char[])) value = this.Adjust((System.Char[])value); else if (dataType == typeof(System.Guid)) value = this.Adjust((System.Guid)value); else if (dataType == typeof(System.Object)) { // throw ADP.InvalidDataType(TypeCode.UInt64); } else if (dataType == typeof(SqlBinary)) value = this.Adjust((SqlBinary)value); else if (dataType == typeof(SqlBoolean)) value = this.Adjust((SqlBoolean)value); else if (dataType == typeof(SqlByte)) value = this.Adjust((SqlByte)value); else if (dataType == typeof(SqlDateTime)) value = this.Adjust((SqlDateTime)value); else if (dataType == typeof(SqlDouble)) value = this.Adjust((SqlDouble)value); else if (dataType == typeof(SqlGuid)) value = this.Adjust((SqlGuid)value); else if (dataType == typeof(SqlInt16)) value = this.Adjust((SqlInt16)value); else if (dataType == typeof(SqlInt32)) value = this.Adjust((SqlInt32)value); else if (dataType == typeof(SqlInt64)) value = this.Adjust((SqlInt64)value); else if (dataType == typeof(SqlMoney)) value = this.Adjust((SqlMoney)value); else if (dataType == typeof(SqlDecimal)) value = this.Adjust((SqlDecimal)value); else if (dataType == typeof(SqlSingle)) value = this.Adjust((SqlSingle)value); else if (dataType == typeof(SqlString)) value = this.Adjust((SqlString)value); else if (dataType == typeof(SqlChars)) value = this.Adjust((SqlChars)value); else if (dataType == typeof(SqlBytes)) value = this.Adjust((SqlBytes)value); else if (dataType == typeof(SqlXml)) value = this.Adjust((SqlXml)value); else if (dataType == typeof(TimeSpan)) value = this.Adjust((TimeSpan)value); else if (dataType == typeof(DateTimeOffset)) value = this.Adjust((DateTimeOffset)value); else { // Handle UDTs? throw ADP.UnknownDataType(dataType); } break; default: throw ADP.UnknownDataTypeCode(dataType, Type.GetTypeCode(dataType)); } return value; } // Used for converting from the old _SqlMetaData to the new SqlMetaData static internal SqlMetaData GetNewSqlMetaDataFromOld(_SqlMetaData sqlMetaData, string name) { SqlCompareOptions compEnum; long lcid; long maxlen; SqlMetaData smdt; byte precision; byte scale; if (TdsEnums.UNKNOWN_PRECISION_SCALE != sqlMetaData.precision) { precision = sqlMetaData.precision; } else if (TdsEnums.UNKNOWN_PRECISION_SCALE != sqlMetaData.metaType.Precision) { precision = sqlMetaData.metaType.Precision; } else { precision = 0; } if (TdsEnums.UNKNOWN_PRECISION_SCALE != sqlMetaData.scale) { scale = sqlMetaData.scale; } else if (TdsEnums.UNKNOWN_PRECISION_SCALE != sqlMetaData.metaType.Scale) { scale = sqlMetaData.metaType.Scale; } else { scale = 0; } // Fix Bug 308062 percision and value constants taken from sxm_rgDefaults table at bottom of the file. if (sqlMetaData.metaType.SqlDbType == SqlDbType.TinyInt) { sqlMetaData.precision = 3; sqlMetaData.scale = 0; } else if (sqlMetaData.metaType.SqlDbType == SqlDbType.SmallInt) { sqlMetaData.precision = 5; sqlMetaData.scale = 0; } else if (sqlMetaData.metaType.SqlDbType == SqlDbType.Int) { sqlMetaData.precision = 10; sqlMetaData.scale = 0; } else if (sqlMetaData.metaType.SqlDbType == SqlDbType.BigInt) { sqlMetaData.precision = 19; sqlMetaData.scale = 0; } // SqlMetaData.MaxLength is number of chars if character datatype, number of // bytes otherwise if (SqlDbType.Variant == sqlMetaData.metaType.SqlDbType) { maxlen = sqlMetaData.length; // Bug: 302695 } else if (sqlMetaData.metaType.IsPlp) { maxlen = -1; // Bug: 302696 } else if (sqlMetaData.metaType.IsFixed) { maxlen = sqlMetaData.metaType.FixedLength; } else { maxlen = sqlMetaData.length; } // maxlen = -1 when the metaType.IsPlp - NVarChar(max) See Bug 302696 if (maxlen > 0 && (sqlMetaData.metaType.SqlDbType == SqlDbType.NChar || sqlMetaData.metaType.SqlDbType == SqlDbType.NVarChar || sqlMetaData.metaType.SqlDbType == SqlDbType.NText)) maxlen /= 2; if (sqlMetaData.collation != null) { lcid = (long) sqlMetaData.collation.LCID; compEnum = sqlMetaData.collation.SqlCompareOptions; } else { lcid = 0; compEnum = SqlCompareOptions.None; } if(sqlMetaData.metaType.SqlDbType == SqlDbType.Udt) { SqlConnection.CheckGetExtendedUDTInfo(sqlMetaData, true); smdt = new SqlMetaData(name, SqlDbType.Udt, sqlMetaData.udtType); } else { smdt = new SqlMetaData( name, sqlMetaData.metaType.SqlDbType, maxlen, precision, scale, lcid, compEnum, sqlMetaData.xmlSchemaCollectionDatabase, sqlMetaData.xmlSchemaCollectionOwningSchema, sqlMetaData.xmlSchemaCollectionName, sqlMetaData.metaType.IsPlp, null); } return smdt; } public static SqlMetaData InferFromValue(object value, String name) { if (value == null) throw ADP.ArgumentNull("value"); SqlMetaData smd = null; Type dataType = value.GetType(); switch (Type.GetTypeCode(dataType)) { case TypeCode.Boolean: smd = new SqlMetaData(name, SqlDbType.Bit); break; case TypeCode.Byte: smd = new SqlMetaData(name, SqlDbType.TinyInt); break; case TypeCode.Char: smd = new SqlMetaData(name, SqlDbType.NVarChar, 1 ); break; case TypeCode.DateTime: smd = new SqlMetaData(name, SqlDbType.DateTime); break; case TypeCode.DBNull: throw ADP.InvalidDataType(TypeCode.DBNull); case TypeCode.Decimal: { // Add brackets in order to contain scope declare local variable "sd" // use logic inside SqlDecimal to infer precision and scale. SqlDecimal sd = new SqlDecimal((Decimal)value); smd = new SqlMetaData(name, SqlDbType.Decimal, sd.Precision, sd.Scale); } break; case TypeCode.Double: smd = new SqlMetaData(name, SqlDbType.Float); break; case TypeCode.Empty: throw ADP.InvalidDataType(TypeCode.Empty); case TypeCode.Int16: smd = new SqlMetaData(name, SqlDbType.SmallInt); break; case TypeCode.Int32: smd = new SqlMetaData(name, SqlDbType.Int); break; case TypeCode.Int64: smd = new SqlMetaData(name, SqlDbType.BigInt); break; case TypeCode.SByte: throw ADP.InvalidDataType(TypeCode.SByte); case TypeCode.Single: smd = new SqlMetaData(name, SqlDbType.Real); break; case TypeCode.String: { long maxLen = ((String)value).Length; if (maxLen < 1) maxLen = 1; if (x_lServerMaxUnicode < maxLen) maxLen = Max; smd = new SqlMetaData(name, SqlDbType.NVarChar, maxLen); } break; case TypeCode.UInt16: throw ADP.InvalidDataType(TypeCode.UInt16); case TypeCode.UInt32: throw ADP.InvalidDataType(TypeCode.UInt32); case TypeCode.UInt64: throw ADP.InvalidDataType(TypeCode.UInt64); case TypeCode.Object: if (dataType == typeof(System.Byte[])) { long maxLen = ((System.Byte[])value).Length; if (maxLen < 1) maxLen = 1; if (x_lServerMaxBinary < maxLen) maxLen = Max; smd = new SqlMetaData(name, SqlDbType.VarBinary, maxLen); } else if (dataType == typeof(System.Char[])) { long maxLen = ((System.Char[])value).Length; if (maxLen < 1) maxLen = 1; if (x_lServerMaxUnicode < maxLen) maxLen = Max; smd = new SqlMetaData(name, SqlDbType.NVarChar, maxLen); } else if (dataType == typeof(System.Guid)) smd = new SqlMetaData(name, SqlDbType.UniqueIdentifier); else if (dataType == typeof(System.Object)) smd = new SqlMetaData(name, SqlDbType.Variant); else if (dataType == typeof(SqlBinary)) { long maxLen; SqlBinary sb = ((SqlBinary) value); if (!sb.IsNull) { maxLen = sb.Length; if (maxLen < 1) maxLen = 1; if (x_lServerMaxBinary < maxLen) maxLen = Max; } else maxLen = sxm_rgDefaults[(int)SqlDbType.VarBinary].MaxLength; smd = new SqlMetaData(name, SqlDbType.VarBinary, maxLen); } else if (dataType == typeof(SqlBoolean)) smd = new SqlMetaData(name, SqlDbType.Bit); else if (dataType == typeof(SqlByte)) smd = new SqlMetaData(name, SqlDbType.TinyInt); else if (dataType == typeof(SqlDateTime)) smd = new SqlMetaData(name, SqlDbType.DateTime); else if (dataType == typeof(SqlDouble)) smd = new SqlMetaData(name, SqlDbType.Float); else if (dataType == typeof(SqlGuid)) smd = new SqlMetaData(name, SqlDbType.UniqueIdentifier); else if (dataType == typeof(SqlInt16)) smd = new SqlMetaData(name, SqlDbType.SmallInt); else if (dataType == typeof(SqlInt32)) smd = new SqlMetaData(name, SqlDbType.Int); else if (dataType == typeof(SqlInt64)) smd = new SqlMetaData(name, SqlDbType.BigInt); else if (dataType == typeof(SqlMoney)) smd = new SqlMetaData(name, SqlDbType.Money); else if (dataType == typeof(SqlDecimal)) { byte bPrec; byte scale; SqlDecimal sd = (SqlDecimal) value; if (!sd.IsNull) { bPrec = sd.Precision; scale = sd.Scale; } else { bPrec = sxm_rgDefaults[(int)SqlDbType.Decimal].Precision; scale = sxm_rgDefaults[(int)SqlDbType.Decimal].Scale; } smd = new SqlMetaData(name, SqlDbType.Decimal, bPrec, scale); } else if (dataType == typeof(SqlSingle)) smd = new SqlMetaData(name, SqlDbType.Real); else if (dataType == typeof(SqlString)) { SqlString ss = (SqlString)value; if (!ss.IsNull) { long maxLen = ss.Value.Length; if (maxLen < 1) maxLen = 1; if (maxLen > x_lServerMaxUnicode) maxLen = Max; smd = new SqlMetaData(name, SqlDbType.NVarChar, maxLen, ss.LCID, ss.SqlCompareOptions); } else { smd = new SqlMetaData(name, SqlDbType.NVarChar, sxm_rgDefaults[(int)SqlDbType.NVarChar].MaxLength); } } else if (dataType == typeof(SqlChars)) { long maxLen; SqlChars sch = (SqlChars)value; if (!sch.IsNull) { maxLen = sch.Length; if (maxLen < 1) maxLen = 1; if (maxLen > x_lServerMaxUnicode) maxLen = Max; } else maxLen = sxm_rgDefaults[(int)SqlDbType.NVarChar].MaxLength; smd = new SqlMetaData(name, SqlDbType.NVarChar, maxLen); } else if (dataType == typeof(SqlBytes)) { long maxLen; SqlBytes sb = (SqlBytes)value; if (!sb.IsNull) { maxLen = sb.Length; if (maxLen < 1) maxLen = 1; else if (x_lServerMaxBinary < maxLen) maxLen = Max; } else maxLen = sxm_rgDefaults[(int)SqlDbType.VarBinary].MaxLength; smd = new SqlMetaData(name, SqlDbType.VarBinary, maxLen); } else if (dataType == typeof(SqlXml)) smd = new SqlMetaData(name, SqlDbType.Xml); else if (dataType == typeof(TimeSpan)) smd = new SqlMetaData(name, SqlDbType.Time, 0, InferScaleFromTimeTicks(((TimeSpan)value).Ticks)); else if (dataType == typeof(DateTimeOffset)) smd = new SqlMetaData(name, SqlDbType.DateTimeOffset, 0, InferScaleFromTimeTicks(((DateTimeOffset)value).Ticks)); else throw ADP.UnknownDataType(dataType); break; default: throw ADP.UnknownDataTypeCode(dataType, Type.GetTypeCode(dataType)); } return smd; } public bool Adjust(bool value) { if (SqlDbType.Bit != SqlDbType) ThrowInvalidType(); return value; } public byte Adjust(byte value) { if (SqlDbType.TinyInt != SqlDbType) ThrowInvalidType(); return value; } public byte[] Adjust(byte[] value) { if (SqlDbType.Binary == SqlDbType || SqlDbType.Timestamp == SqlDbType) { //DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(byte[]): Fixed-length type with Max length!"); // Don't pad null values if (null != value) { // Pad fixed-length types if (value.Length < MaxLength) { byte[] rgbNewValue = new byte[ MaxLength ]; Array.Copy(value, rgbNewValue, value.Length); Array.Clear(rgbNewValue, value.Length, (int) rgbNewValue.Length - value.Length); return rgbNewValue; } } } else if (SqlDbType.VarBinary != SqlDbType && SqlDbType.Image != SqlDbType) ThrowInvalidType(); // Handle null values after type check if (null == value) { return null; } // trim all types if (value.Length > MaxLength && Max != MaxLength) { byte[] rgbNewValue = new byte[ MaxLength]; Array.Copy(value, rgbNewValue, (int)MaxLength); value = rgbNewValue; } return value; } public char Adjust(char value) { if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType) { if (1 != MaxLength) ThrowInvalidType(); } else if ( (1 > MaxLength) || // char must have max length of at least 1 (SqlDbType.VarChar != SqlDbType && SqlDbType.NVarChar != SqlDbType && SqlDbType.Text != SqlDbType && SqlDbType.NText != SqlDbType) ) ThrowInvalidType(); return value; } public char[] Adjust(char[] value) { if (SqlDbType.Char == SqlDbType || SqlDbType.NChar == SqlDbType) { //DBG.Assert(Max!=MaxLength, "SqlMetaData.Adjust(byte[]): Fixed-length type with Max length!"); // Don't pad null values if (null != value) { // Pad fixed-length types long oldLength = value.Length; if (oldLength < MaxLength) { char[] rgchNew = new char[ (int)MaxLength ]; Array.Copy(value, rgchNew, (int)oldLength); // pad extra space for(long i=oldLength; i MaxLength && Max != MaxLength) { char[] rgchNewValue = new char[ MaxLength ]; Array.Copy(value, rgchNewValue, (int)MaxLength); value = rgchNewValue; } return value; } internal static SqlMetaData GetPartialLengthMetaData(SqlMetaData md) { if (md.IsPartialLength == true) { return md; } if (md.SqlDbType == SqlDbType.Xml) ThrowInvalidType(); //Xml should always have IsPartialLength = true if (md.SqlDbType == SqlDbType.NVarChar || md.SqlDbType == SqlDbType.VarChar || md.SqlDbType == SqlDbType.VarBinary) { SqlMetaData mdnew = new SqlMetaData(md.Name, md.SqlDbType, SqlMetaData.Max, 0, 0, md.LocaleId, md.CompareOptions, null, null, null, true, md.Type); return mdnew; } else return md; } private static void ThrowInvalidType() { throw ADP.InvalidMetaDataValue(); } // Hard coding smalldatetime limits... private static readonly DateTime x_dtSmallMax = new DateTime(2079, 06, 06, 23, 59, 29, 998); private static readonly DateTime x_dtSmallMin = new DateTime(1899, 12, 31, 23, 59, 29, 999); void VerifyDateTimeRange(DateTime value) { if (SqlDbType.SmallDateTime == SqlDbType && (x_dtSmallMax < value || x_dtSmallMin > value)) ThrowInvalidType(); } private static readonly SqlMoney x_smSmallMax = new SqlMoney(((Decimal)Int32.MaxValue)/10000); private static readonly SqlMoney x_smSmallMin = new SqlMoney(((Decimal)Int32.MinValue)/10000); void VerifyMoneyRange(SqlMoney value) { if (SqlDbType.SmallMoney == SqlDbType && ((x_smSmallMax < value).Value || (x_smSmallMin > value).Value)) ThrowInvalidType(); } private SqlDecimal InternalAdjustSqlDecimal(SqlDecimal value) { if (!value.IsNull && (value.Precision != Precision || value.Scale != Scale)) { // SQLBU 402377 Force truncation if target scale is smaller than actual scale. if (value.Scale != Scale) { value = SqlDecimal.AdjustScale(value, Scale - value.Scale, false /* Don't round, truncate. */); } return SqlDecimal.ConvertToPrecScale(value, Precision, Scale); } return value; } private static readonly TimeSpan x_timeMin = TimeSpan.Zero; private static readonly TimeSpan x_timeMax = new TimeSpan(TimeSpan.TicksPerDay - 1); private void VerifyTimeRange(TimeSpan value) { if (SqlDbType.Time == SqlDbType && (x_timeMin > value || value > x_timeMax)) { ThrowInvalidType(); } } private static readonly Int64[] __unitTicksFromScale = { 10000000, 1000000, 100000, 10000, 1000, 100, 10, 1, }; private Int64 InternalAdjustTimeTicks(Int64 ticks) { return (ticks / __unitTicksFromScale[Scale] * __unitTicksFromScale[Scale]); } private static byte InferScaleFromTimeTicks(Int64 ticks) { for (byte scale = 0; scale < MaxTimeScale; ++scale) { if ((ticks / __unitTicksFromScale[scale] * __unitTicksFromScale[scale]) == ticks) { return scale; } } return MaxTimeScale; } private static DbType[] sxm_rgSqlDbTypeToDbType = { DbType.Int64, // SqlDbType.BigInt DbType.Binary, // SqlDbType.Binary DbType.Boolean, // SqlDbType.Bit DbType.AnsiString, // SqlDbType.Char DbType.DateTime, // SqlDbType.DateTime DbType.Decimal, // SqlDbType.Decimal DbType.Double, // SqlDbType.Float DbType.Binary, // SqlDbType.Image DbType.Int32, // SqlDbType.Int DbType.Currency, // SqlDbType.Money DbType.String, // SqlDbType.NChar DbType.String, // SqlDbType.NText DbType.String, // SqlDbType.NVarChar DbType.Single, // SqlDbType.Real DbType.Guid, // SqlDbType.UniqueIdentifier DbType.DateTime, // SqlDbType.SmallDateTime DbType.Int16, // SqlDbType.SmallInt DbType.Currency, // SqlDbType.SmallMoney DbType.AnsiString, // SqlDbType.Text DbType.Binary, // SqlDbType.Timestamp DbType.Byte, // SqlDbType.TinyInt DbType.Binary, // SqlDbType.VarBinary DbType.AnsiString, // SqlDbType.VarChar DbType.Object, // SqlDbType.Variant DbType.Object, // SqlDbType.Row DbType.Xml, // SqlDbType.Xml DbType.String, // SqlDbType.NVarChar, place holder DbType.String, // SqlDbType.NVarChar, place holder DbType.String, // SqlDbType.NVarChar, place holder DbType.Object, // SqlDbType.Udt DbType.Object, // SqlDbType.Structured DbType.Date, // SqlDbType.Date DbType.Time, // SqlDbType.Time DbType.DateTime2, // SqlDbType.DateTime2 DbType.DateTimeOffset // SqlDbType.DateTimeOffset }; private void SetDefaultsForType( SqlDbType dbType ) { if ( SqlDbType.BigInt <= dbType && SqlDbType.DateTimeOffset >= dbType ) { SqlMetaData smdDflt = sxm_rgDefaults[(int)dbType]; m_sqlDbType = dbType; m_lMaxLength = smdDflt.MaxLength; m_bPrecision = smdDflt.Precision; m_bScale = smdDflt.Scale; m_lLocale = smdDflt.LocaleId; m_eCompareOptions = smdDflt.CompareOptions; } } // Array of default-valued metadata ordered by corresponding SqlDbType. internal static SqlMetaData[] sxm_rgDefaults = { // new SqlMetaData(name, DbType, SqlDbType, MaxLen, Prec, Scale, Locale, DatabaseName, SchemaName, isPartialLength) new SqlMetaData("bigint", SqlDbType.BigInt, 8, 19, 0, 0, SqlCompareOptions.None, false), // SqlDbType.BigInt new SqlMetaData("binary", SqlDbType.Binary, 1, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Binary new SqlMetaData("bit", SqlDbType.Bit, 1, 1, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Bit new SqlMetaData("char", SqlDbType.Char, 1, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.Char new SqlMetaData("datetime", SqlDbType.DateTime, 8, 23, 3, 0, SqlCompareOptions.None, false), // SqlDbType.DateTime new SqlMetaData("decimal", SqlDbType.Decimal, 9, 18, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Decimal new SqlMetaData("float", SqlDbType.Float, 8, 53, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Float new SqlMetaData("image", SqlDbType.Image, x_lMax, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Image new SqlMetaData("int", SqlDbType.Int, 4, 10, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Int new SqlMetaData("money", SqlDbType.Money, 8, 19, 4, 0, SqlCompareOptions.None, false), // SqlDbType.Money new SqlMetaData("nchar", SqlDbType.NChar, 1, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.NChar new SqlMetaData("ntext", SqlDbType.NText, x_lMax, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.NText new SqlMetaData("nvarchar", SqlDbType.NVarChar, x_lServerMaxUnicode, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.NVarChar new SqlMetaData("real", SqlDbType.Real, 4, 24, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Real new SqlMetaData("uniqueidentifier", SqlDbType.UniqueIdentifier, 16, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.UniqueIdentifier new SqlMetaData("smalldatetime", SqlDbType.SmallDateTime, 4, 16, 0, 0, SqlCompareOptions.None, false), // SqlDbType.SmallDateTime new SqlMetaData("smallint", SqlDbType.SmallInt, 2, 5, 0, 0, SqlCompareOptions.None, false), // SqlDbType.SmallInt new SqlMetaData("smallmoney", SqlDbType.SmallMoney, 4, 10, 4, 0, SqlCompareOptions.None, false), // SqlDbType.SmallMoney new SqlMetaData("text", SqlDbType.Text, x_lMax, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.Text new SqlMetaData("timestamp", SqlDbType.Timestamp, 8, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Timestamp new SqlMetaData("tinyint", SqlDbType.TinyInt, 1, 3, 0, 0, SqlCompareOptions.None, false), // SqlDbType.TinyInt new SqlMetaData("varbinary", SqlDbType.VarBinary, x_lServerMaxBinary, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.VarBinary new SqlMetaData("varchar", SqlDbType.VarChar, x_lServerMaxANSI, 0, 0, 0, x_eDefaultStringCompareOptions, false), // SqlDbType.VarChar new SqlMetaData("sql_variant", SqlDbType.Variant, 8016, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Variant new SqlMetaData("nvarchar", SqlDbType.NVarChar, 1, 0, 0, 0, x_eDefaultStringCompareOptions, false), // Placeholder for value 24 new SqlMetaData("xml", SqlDbType.Xml, x_lMax, 0, 0, 0, x_eDefaultStringCompareOptions, true), // SqlDbType.Xml new SqlMetaData("nvarchar", SqlDbType.NVarChar, 1, 0, 0, 0, x_eDefaultStringCompareOptions, false), // Placeholder for value 26 new SqlMetaData("nvarchar", SqlDbType.NVarChar, x_lServerMaxUnicode, 0, 0, 0, x_eDefaultStringCompareOptions, false), // Placeholder for value 27 new SqlMetaData("nvarchar", SqlDbType.NVarChar, x_lServerMaxUnicode, 0, 0, 0, x_eDefaultStringCompareOptions, false), // Placeholder for value 28 new SqlMetaData("udt", SqlDbType.Udt, 0, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Udt = 29 Bug Fix: 302698 new SqlMetaData("table", SqlDbType.Structured, 0, 0, 0, 0, SqlCompareOptions.None, false), // SqlDbType.Structured new SqlMetaData("date", SqlDbType.Date, 3, 10,0, 0, SqlCompareOptions.None, false), // SqlDbType.Date new SqlMetaData("time", SqlDbType.Time, 5, 0, 7, 0, SqlCompareOptions.None, false), // SqlDbType.Time new SqlMetaData("datetime2", SqlDbType.DateTime2, 8, 0, 7, 0, SqlCompareOptions.None, false), // SqlDbType.DateTime2 new SqlMetaData("datetimeoffset", SqlDbType.DateTimeOffset, 10, 0, 7, 0, SqlCompareOptions.None, false), // SqlDbType.DateTimeOffset }; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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- SqlCacheDependencyDatabase.cs
- CategoryAttribute.cs
- ProcessActivityTreeOptions.cs
- EntityDataSourceState.cs
- Renderer.cs
- ButtonDesigner.cs
- WorkflowView.cs
- HtmlFormWrapper.cs
- ScriptDescriptor.cs
- PropertyItem.cs
- HtmlFormWrapper.cs
- DataMemberFieldConverter.cs
- SafeLibraryHandle.cs
- LineInfo.cs
- PointAnimationClockResource.cs
- CategoryNameCollection.cs
- TextSegment.cs
- ProfileGroupSettingsCollection.cs
- OperandQuery.cs
- Partitioner.cs
- MenuItemStyleCollection.cs
- QilGeneratorEnv.cs
- SponsorHelper.cs
- ServiceParser.cs
- StringConcat.cs
- InternalTypeHelper.cs
- safex509handles.cs
- EditableRegion.cs
- NameValueSectionHandler.cs
- CmsInterop.cs
- _UncName.cs
- SurrogateSelector.cs
- UserControlDesigner.cs
- DataPagerField.cs
- FunctionMappingTranslator.cs
- ReadOnlyDictionary.cs
- ValueTypePropertyReference.cs
- ProcessDesigner.cs
- MarshalByRefObject.cs
- SerializationInfoEnumerator.cs
- ResourceSet.cs
- TypeDependencyAttribute.cs
- XmlUtf8RawTextWriter.cs
- Pen.cs