当前位置: 首页>>代码示例>>C#>>正文


C# SqlBuffer.SetToTime方法代码示例

本文整理汇总了C#中System.Data.SqlClient.SqlBuffer.SetToTime方法的典型用法代码示例。如果您正苦于以下问题:C# SqlBuffer.SetToTime方法的具体用法?C# SqlBuffer.SetToTime怎么用?C# SqlBuffer.SetToTime使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.Data.SqlClient.SqlBuffer的用法示例。


在下文中一共展示了SqlBuffer.SetToTime方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: GetOutputParameterV200Smi

        // UDTs and null variants come back via return value, all else is via targetBuffer.
        //  implements SqlClient 1.1-compatible output parameter semantics
        internal static object GetOutputParameterV200Smi(
            SmiEventSink_Default    sink,                   // event sink for errors
            SmiTypedGetterSetter    getters,                // getters interface to grab value from
            int                     ordinal,                // parameter within getters
            SmiMetaData             metaData,               // Getter's type for this ordinal
            SmiContext              context,                // used to obtain scratch streams
            SqlBuffer               targetBuffer            // destination
            ) {
            object result = null;   // Workaround for UDT hack in non-Smi code paths.
            if ( IsDBNull_Unchecked( sink, getters, ordinal ) ) {
                GetNullOutputParameterSmi(metaData, targetBuffer, ref result);
            }
            else {
                switch(metaData.SqlDbType) {
                    // new types go here
                    case SqlDbType.Variant: // Handle variants specifically for v200, since they could contain v200 types
                        // For variants, recur using the current value's sqldbtype
                        metaData = getters.GetVariantType( sink, ordinal );
                        sink.ProcessMessagesAndThrow();
                        Debug.Assert( SqlDbType.Variant != metaData.SqlDbType, "Variant-within-variant not supposed to be possible!" );
                        GetOutputParameterV200Smi( sink, getters, ordinal, metaData, context, targetBuffer );
                        break;
                    case SqlDbType.Date:
                        targetBuffer.SetToDate(GetDateTime_Unchecked(sink, getters, ordinal));
                        break;
                    case SqlDbType.DateTime2:
                        targetBuffer.SetToDateTime2(GetDateTime_Unchecked(sink, getters, ordinal), metaData.Scale);
                        break;
                    case SqlDbType.Time:
                        targetBuffer.SetToTime(GetTimeSpan_Unchecked(sink, getters, ordinal), metaData.Scale);
                        break;
                    case SqlDbType.DateTimeOffset:
                        targetBuffer.SetToDateTimeOffset(GetDateTimeOffset_Unchecked(sink, getters, ordinal), metaData.Scale);
                        break;
                    default:
                        result = GetOutputParameterV3Smi(sink, getters, ordinal, metaData, context, targetBuffer);
                        break;
                }
            }

            return result;
        }
开发者ID:uQr,项目名称:referencesource,代码行数:44,代码来源:ValueUtilsSmi.cs

示例2: TryReadSqlDateTime

        private bool TryReadSqlDateTime(SqlBuffer value, byte tdsType, int length, byte scale, TdsParserStateObject stateObj)
        {
            byte[] datetimeBuffer = new byte[length];

            if (!stateObj.TryReadByteArray(datetimeBuffer, 0, length))
            {
                return false;
            }

            switch (tdsType)
            {
                case TdsEnums.SQLDATE:
                    Debug.Assert(length == 3, "invalid length for date type!");
                    value.SetToDate(datetimeBuffer);
                    break;

                case TdsEnums.SQLTIME:
                    Debug.Assert(3 <= length && length <= 5, "invalid length for time type!");
                    value.SetToTime(datetimeBuffer, length, scale);
                    break;

                case TdsEnums.SQLDATETIME2:
                    Debug.Assert(6 <= length && length <= 8, "invalid length for datetime2 type!");
                    value.SetToDateTime2(datetimeBuffer, length, scale);
                    break;

                case TdsEnums.SQLDATETIMEOFFSET:
                    Debug.Assert(8 <= length && length <= 10, "invalid length for datetimeoffset type!");
                    value.SetToDateTimeOffset(datetimeBuffer, length, scale);
                    break;

                default:
                    Debug.Assert(false, "ReadSqlDateTime is called with the wrong tdsType");
                    break;
            }

            return true;
        }
开发者ID:nnyamhon,项目名称:corefx,代码行数:38,代码来源:TdsParser.cs

示例3: DeserializeUnencryptedValue


//.........这里部分代码省略.........
                    break;
                }

                case TdsEnums.SQLDECIMALN:
                case TdsEnums.SQLNUMERICN:
                    // Check the sign from the first byte.
                    int index = 0;
                    byteValue = unencryptedBytes[index++];
                    bool fPositive = (1 == byteValue);

                    // Now read the 4 next integers which contain the actual value.
                    length = checked((int)length-1);
                    int[] bits = new int[4];
                    int decLength = length>>2;
                    for (int i = 0; i < decLength; i++) {
                        // up to 16 bytes of data following the sign byte
                        bits[i] = BitConverter.ToInt32(unencryptedBytes, index);
                        index += 4;
                    }
                    value.SetToDecimal (md.baseTI.precision, md.baseTI.scale, fPositive, bits);
                    break;

                case TdsEnums.SQLCHAR:
                case TdsEnums.SQLBIGCHAR:
                case TdsEnums.SQLVARCHAR:
                case TdsEnums.SQLBIGVARCHAR:
                case TdsEnums.SQLTEXT:
                    {
                        System.Text.Encoding encoding = md.baseTI.encoding;

                        if (null == encoding) {
                            encoding = _defaultEncoding;
                        }

                        if (null == encoding) {
                            ThrowUnsupportedCollationEncountered(stateObj);
                        }

                        string strValue = encoding.GetString(unencryptedBytes, 0, length);

                        // If this is a fixed length type, pad with spaces to get to the fixed length size.
                        if (tdsType == TdsEnums.SQLCHAR || tdsType == TdsEnums.SQLBIGCHAR) {
                            strValue = strValue.PadRight(md.baseTI.length);
                        }

                        value.SetToString(strValue);
                        break;
                    }

                case TdsEnums.SQLNCHAR:
                case TdsEnums.SQLNVARCHAR:
                case TdsEnums.SQLNTEXT:
                    {
                        string strValue = System.Text.Encoding.Unicode.GetString(unencryptedBytes, 0, length);

                        // If this is a fixed length type, pad with spaces to get to the fixed length size.
                        if (tdsType == TdsEnums.SQLNCHAR) {
                            strValue = strValue.PadRight(md.baseTI.length / ADP.CharSize);
                        }

                        value.SetToString(strValue);
                        break;
                    }

                case TdsEnums.SQLDATE:
                    Debug.Assert(length == 3, "invalid length for date type!");
                    value.SetToDate(unencryptedBytes);
                    break;

                case TdsEnums.SQLTIME:
                    // We normalize to maximum precision to allow conversion across different precisions.
                    Debug.Assert(length == 5, "invalid length for time type!");
                    value.SetToTime(unencryptedBytes, length, TdsEnums.MAX_TIME_SCALE, denormalizedScale);
                    break;

                case TdsEnums.SQLDATETIME2:
                    // We normalize to maximum precision to allow conversion across different precisions.
                    Debug.Assert(length == 8, "invalid length for datetime2 type!");
                    value.SetToDateTime2(unencryptedBytes, length, TdsEnums.MAX_TIME_SCALE, denormalizedScale);
                    break;

                case TdsEnums.SQLDATETIMEOFFSET:
                    // We normalize to maximum precision to allow conversion across different precisions.
                    Debug.Assert(length == 10, "invalid length for datetimeoffset type!");
                    value.SetToDateTimeOffset(unencryptedBytes, length, TdsEnums.MAX_TIME_SCALE, denormalizedScale);
                    break;

                default:
                    MetaType metaType = md.baseTI.metaType;

                    // If we don't have a metatype already, construct one to get the proper type name.
                    if (metaType == null) {
                        metaType = MetaType.GetSqlDataType(tdsType, userType:0, length:length);
                    }

                    throw SQL.UnsupportedDatatypeEncryption(metaType.TypeName);
            }

            return true;
        }
开发者ID:iskiselev,项目名称:JSIL.NetFramework,代码行数:101,代码来源:TdsParser.cs

示例4: GetOutputParameterV200Smi

        internal static object GetOutputParameterV200Smi(SmiEventSink_Default sink, SmiTypedGetterSetter getters, int ordinal, SmiMetaData metaData, SmiContext context, SqlBuffer targetBuffer)
        {
            object result = null;
            if (IsDBNull_Unchecked(sink, getters, ordinal))
            {
                GetNullOutputParameterSmi(metaData, targetBuffer, ref result);
                return result;
            }
            switch (metaData.SqlDbType)
            {
                case SqlDbType.Date:
                    targetBuffer.SetToDate(GetDateTime_Unchecked(sink, getters, ordinal));
                    return result;

                case SqlDbType.Time:
                    targetBuffer.SetToTime(GetTimeSpan_Unchecked(sink, getters, ordinal), metaData.Scale);
                    return result;

                case SqlDbType.DateTime2:
                    targetBuffer.SetToDateTime2(GetDateTime_Unchecked(sink, getters, ordinal), metaData.Scale);
                    return result;

                case SqlDbType.DateTimeOffset:
                    targetBuffer.SetToDateTimeOffset(GetDateTimeOffset_Unchecked(sink, getters, ordinal), metaData.Scale);
                    return result;

                case SqlDbType.Variant:
                    metaData = getters.GetVariantType(sink, ordinal);
                    sink.ProcessMessagesAndThrow();
                    GetOutputParameterV200Smi(sink, getters, ordinal, metaData, context, targetBuffer);
                    return result;
            }
            return GetOutputParameterV3Smi(sink, getters, ordinal, metaData, context, targetBuffer);
        }
开发者ID:pritesh-mandowara-sp,项目名称:DecompliedDotNetLibraries,代码行数:34,代码来源:ValueUtilsSmi.cs

示例5: ReadSqlDateTime

        private void ReadSqlDateTime(SqlBuffer value, byte tdsType, int length, byte scale, TdsParserStateObject stateObj)
        {
            stateObj.ReadByteArray(this.datetimeBuffer, 0, length);
            switch (tdsType)
            {
                case 40:
                    value.SetToDate(this.datetimeBuffer);
                    return;

                case 0x29:
                    value.SetToTime(this.datetimeBuffer, length, scale);
                    return;

                case 0x2a:
                    value.SetToDateTime2(this.datetimeBuffer, length, scale);
                    return;

                case 0x2b:
                    value.SetToDateTimeOffset(this.datetimeBuffer, length, scale);
                    return;
            }
        }
开发者ID:pritesh-mandowara-sp,项目名称:DecompliedDotNetLibraries,代码行数:22,代码来源:TdsParser.cs


注:本文中的System.Data.SqlClient.SqlBuffer.SetToTime方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。