C# MySqlDataReader.GetUInt64方法代码示例

 private static ArchiveMedia _readArchiveMedia(MySqlDataReader dataReader, ArchiveDirectory dir)
 {
     byte typVideo = dataReader.IsDBNull(dataReader.GetOrdinal("typVideo")) ? (byte)0 : dataReader.GetByte("typVideo");
     ArchiveMedia media = new ArchiveMedia()
         {
             idPersistentMedia = dataReader.GetUInt64("idArchiveMedia"),
             Directory = dir,
         };
     _mediaReadFields(dataReader, media);
     ThreadPool.QueueUserWorkItem(o => media.Verify());
     return media;
 }

 private static void _mediaReadFields(MySqlDataReader dataReader, PersistentMedia media)
 {
     uint flags = dataReader.IsDBNull(dataReader.GetOrdinal("flags")) ? (uint)0 : dataReader.GetUInt32("flags");
     byte typVideo = dataReader.IsDBNull(dataReader.GetOrdinal("typVideo")) ? (byte)0 : dataReader.GetByte("typVideo");
     media._mediaName = dataReader.IsDBNull(dataReader.GetOrdinal("MediaName")) ? string.Empty : dataReader.GetString("MediaName");
     media._duration = dataReader.IsDBNull(dataReader.GetOrdinal("Duration")) ? default(TimeSpan) : dataReader.GetTimeSpan("Duration");
     media._durationPlay = dataReader.IsDBNull(dataReader.GetOrdinal("DurationPlay")) ? default(TimeSpan) : dataReader.GetTimeSpan("DurationPlay");
     media._folder = dataReader.IsDBNull(dataReader.GetOrdinal("Folder")) ? string.Empty : dataReader.GetString("Folder");
     media._fileName = dataReader.IsDBNull(dataReader.GetOrdinal("FileName")) ? string.Empty : dataReader.GetString("FileName");
     media._fileSize = dataReader.IsDBNull(dataReader.GetOrdinal("FileSize")) ? 0 : dataReader.GetUInt64("FileSize");
     media.idFormat = dataReader.IsDBNull(dataReader.GetOrdinal("idFormat")) ? 0 : dataReader.GetUInt64("idFormat");
     media._lastUpdated = _readDateTimeField(dataReader, "LastUpdated");
     media._mediaStatus = (TMediaStatus)(dataReader.IsDBNull(dataReader.GetOrdinal("statusMedia")) ? 0 : dataReader.GetInt32("statusMedia"));
     media._mediaType = (TMediaType)(dataReader.IsDBNull(dataReader.GetOrdinal("typMedia")) ? 0 : dataReader.GetInt32("typMedia"));
     media._tCStart = dataReader.IsDBNull(dataReader.GetOrdinal("TCStart")) ? default(TimeSpan) : dataReader.GetTimeSpan("TCStart");
     media._tCPlay = dataReader.IsDBNull(dataReader.GetOrdinal("TCPlay")) ? default(TimeSpan) : dataReader.GetTimeSpan("TCPlay");
     media.idProgramme = dataReader.IsDBNull(dataReader.GetOrdinal("idProgramme")) ? 0 : dataReader.GetUInt64("idProgramme");
     media._audioVolume = dataReader.IsDBNull(dataReader.GetOrdinal("AudioVolume")) ? 0 : dataReader.GetDecimal("AudioVolume");
     media._audioLevelIntegrated = dataReader.IsDBNull(dataReader.GetOrdinal("AudioLevelIntegrated")) ? 0 : dataReader.GetDecimal("AudioLevelIntegrated");
     media._audioLevelPeak = dataReader.IsDBNull(dataReader.GetOrdinal("AudioLevelPeak")) ? 0 : dataReader.GetDecimal("AudioLevelPeak");
     media._audioChannelMapping = dataReader.IsDBNull(dataReader.GetOrdinal("typAudio")) ? TAudioChannelMapping.Stereo : (TAudioChannelMapping)dataReader.GetByte("typAudio");
     media.HasExtraLines = (typVideo & (byte)0x80) > 0;
     media._videoFormat = (TVideoFormat)(typVideo & 0x7F);
     media._idAux = dataReader.IsDBNull(dataReader.GetOrdinal("idAux")) ? string.Empty : dataReader.GetString("idAux");
     media._killDate = _readDateTimeField(dataReader, "KillDate");
     media._mediaGuid = dataReader.IsDBNull(dataReader.GetOrdinal("MediaGuid")) ? Guid.Empty : dataReader.GetGuid("MediaGuid");
     media._mediaEmphasis = (TMediaEmphasis)((flags >> 8) & 0xF);
     media._parental = (TParental)((flags >> 12) & 0xF);
     if (media is ServerMedia)
         ((ServerMedia)media)._doNotArchive = (flags & 0x1) != 0;
     media._mediaCategory = (TMediaCategory)((flags >> 4) & 0xF); // bits 4-7 of 1st byte
 }

 // 取 dr 中某字段的数据并返回
 public static object GetValue( DbColumn col, MySqlDataReader r, int idx )
 {
     switch( col.dataType )
     {
     case DbDataTypes.Boolean:
         return r.GetBoolean( idx );
     case DbDataTypes.Int8:
         return r.GetSByte( idx );
     case DbDataTypes.Int16:
         return r.GetInt16( idx );
     case DbDataTypes.Int32:
         return r.GetInt32( idx );
     case DbDataTypes.Int64:
         return r.GetInt64( idx );
     case DbDataTypes.UInt8:
         return r.GetByte( idx );
     case DbDataTypes.UInt16:
         return r.GetUInt16( idx );
     case DbDataTypes.UInt32:
         return r.GetUInt32( idx );
     case DbDataTypes.UInt64:
         return r.GetUInt64( idx );
     case DbDataTypes.Float:
         return r.GetFloat( idx );
     case DbDataTypes.Double:
         return r.GetDouble( idx );
     case DbDataTypes.DateTime:
         return r.GetDateTime( idx );
     case DbDataTypes.String:
         return r.GetString( idx );
     case DbDataTypes.Bytes:
         var len = (int)r.GetBytes( idx, 0, null, 0, 0 );
         var buf = new byte[ len ];
         r.GetBytes( idx, 0, buf, 0, len );
         return buf;
     default:
         throw new Exception( "unsupported DbType" );
     }
 }

 private static Event _EventRead(Engine engine, MySqlDataReader dataReader)
 {
     Event aEvent = new Event(engine);
     uint flags = dataReader.IsDBNull(dataReader.GetOrdinal("flagsEvent")) ? 0 : dataReader.GetUInt32("flagsEvent");
     aEvent._idRundownEvent = dataReader.GetUInt64("idRundownEvent");
     aEvent._layer = (VideoLayer)dataReader.GetSByte("Layer");
     aEvent._eventType = (TEventType)dataReader.GetByte("typEvent");
     aEvent._startType = (TStartType)dataReader.GetByte("typStart");
     aEvent._scheduledTime = _readDateTimeField(dataReader, "ScheduledTime");
     aEvent._duration = dataReader.IsDBNull(dataReader.GetOrdinal("Duration")) ? default(TimeSpan) : aEvent.Engine.AlignTimeSpan(dataReader.GetTimeSpan("Duration"));
     aEvent._scheduledDelay = dataReader.IsDBNull(dataReader.GetOrdinal("ScheduledDelay")) ? default(TimeSpan) : aEvent.Engine.AlignTimeSpan(dataReader.GetTimeSpan("ScheduledDelay"));
     aEvent._scheduledTC = dataReader.IsDBNull(dataReader.GetOrdinal("ScheduledTC")) ? TimeSpan.Zero : dataReader.GetTimeSpan("ScheduledTC");
     aEvent._mediaGuid = (dataReader.IsDBNull(dataReader.GetOrdinal("MediaGuid"))) ? Guid.Empty : dataReader.GetGuid("MediaGuid");
     aEvent._eventName = dataReader.IsDBNull(dataReader.GetOrdinal("EventName")) ? default(string) : dataReader.GetString("EventName");
     var psb = dataReader.GetByte("PlayState");
     aEvent._playState = (TPlayState)psb;
     if (aEvent._playState == TPlayState.Playing || aEvent._playState == TPlayState.Paused)
         aEvent._playState = TPlayState.Aborted;
     if (aEvent._playState == TPlayState.Fading)
         aEvent._playState = TPlayState.Played;
     aEvent._startTime = _readDateTimeField(dataReader, "StartTime");
     aEvent._startTC = dataReader.IsDBNull(dataReader.GetOrdinal("StartTC")) ? TimeSpan.Zero : dataReader.GetTimeSpan("StartTC");
     aEvent._requestedStartTime = dataReader.IsDBNull(dataReader.GetOrdinal("RequestedStartTime")) ? null : (TimeSpan?)dataReader.GetTimeSpan("RequestedStartTime");
     aEvent._transitionTime = dataReader.IsDBNull(dataReader.GetOrdinal("TransitionTime")) ? default(TimeSpan) : dataReader.GetTimeSpan("TransitionTime");
     aEvent._transitionType = (TTransitionType)dataReader.GetByte("typTransition");
     aEvent._audioVolume = dataReader.IsDBNull(dataReader.GetOrdinal("AudioVolume")) ? 0 : dataReader.GetDecimal("AudioVolume");
     aEvent._idProgramme = dataReader.IsDBNull(dataReader.GetOrdinal("idProgramme")) ? 0 : dataReader.GetUInt64("idProgramme");
     aEvent._idAux = dataReader.IsDBNull(dataReader.GetOrdinal("IdAux")) ? default(string) : dataReader.GetString("IdAux");
     aEvent._enabled = (flags & (1 << 0)) != 0;
     aEvent._hold = (flags & (1 << 1)) != 0;
     EventGPI.FromUInt64(ref aEvent._gPI, (flags >> 4) & EventGPI.Mask);
     aEvent._nextLoaded = false;
     return aEvent;
 }

 // 往 dr 填充 r 于 i 索引的值
 public static void FillValue( DbRow dr, MySqlDataReader r, int i )
 {
     switch( dr.parent.columns[ i ].dataType )
     {
     case DbDataTypes.Boolean:
         dr[ i ].Assign( r.GetBoolean( i ) ); break;
     case DbDataTypes.Int8:
         dr[ i ].Assign( r.GetSByte( i ) ); break;
     case DbDataTypes.Int16:
         dr[ i ].Assign( r.GetInt16( i ) ); break;
     case DbDataTypes.Int32:
         dr[ i ].Assign( r.GetInt32( i ) ); break;
     case DbDataTypes.Int64:
         dr[ i ].Assign( r.GetInt64( i ) ); break;
     case DbDataTypes.UInt8:
         dr[ i ].Assign( r.GetByte( i ) ); break;
     case DbDataTypes.UInt16:
         dr[ i ].Assign( r.GetUInt16( i ) ); break;
     case DbDataTypes.UInt32:
         dr[ i ].Assign( r.GetUInt32( i ) ); break;
     case DbDataTypes.UInt64:
         dr[ i ].Assign( r.GetUInt64( i ) ); break;
     case DbDataTypes.Float:
         dr[ i ].Assign( r.GetFloat( i ) ); break;
     case DbDataTypes.Double:
         dr[ i ].Assign( r.GetDouble( i ) ); break;
     case DbDataTypes.DateTime:
         dr[ i ].Assign( r.GetDateTime( i ) ); break;
     case DbDataTypes.String:
         dr[ i ].Assign( r.GetString( i ) ); break;
     case DbDataTypes.Bytes:
         var len = (int)r.GetBytes( i, 0, null, 0, 0 );
         var buf = new byte[ len ];
         r.GetBytes( i, 0, buf, 0, len );
         dr[ i ].Assign( buf );
         break;
     default:
         break;
     }
 }