Clear() private method

private Clear ( ) : void
return void
Example #1
0
        // Used internally by BulkCopy only
        private bool TryProcessRow(_SqlMetaDataSet columns, object[] buffer, int[] map, TdsParserStateObject stateObj)
        {
            SqlBuffer data = new SqlBuffer();

            for (int i = 0; i < columns.Length; i++)
            {
                _SqlMetaData md = columns[i];
                Debug.Assert(md != null, "_SqlMetaData should not be null for column " + i.ToString(CultureInfo.InvariantCulture));

                bool isNull;
                ulong len;
                if (!TryProcessColumnHeader(md, stateObj, i, out isNull, out len))
                {
                    return false;
                }

                if (isNull)
                {
                    GetNullSqlValue(data, md);
                    buffer[map[i]] = data.SqlValue;
                }
                else
                {
                    // We only read up to 2Gb. Throw if data is larger. Very large data
                    // should be read in chunks in sequential read mode
                    // For Plp columns, we may have gotten only the length of the first chunk
                    if (!TryReadSqlValue(data, md, md.metaType.IsPlp ? (Int32.MaxValue) : (int)len, stateObj))
                    {
                        return false;
                    }
                    buffer[map[i]] = data.SqlValue;
                    if (stateObj._longlen != 0)
                    {
                        throw new SqlTruncateException(Res.GetString(Res.SqlMisc_TruncationMaxDataMessage));
                    }
                }
                data.Clear();
            }

            return true;
        }
 private void ProcessRow(_SqlMetaDataSet columns, object[] buffer, int[] map, TdsParserStateObject stateObj)
 {
     SqlBuffer nullVal = new SqlBuffer();
     for (int i = 0; i < columns.Length; i++)
     {
         bool flag;
         _SqlMetaData col = columns[i];
         ulong num2 = this.ProcessColumnHeader(col, stateObj, out flag);
         if (flag)
         {
             this.GetNullSqlValue(nullVal, col);
             buffer[map[i]] = nullVal.SqlValue;
         }
         else
         {
             this.ReadSqlValue(nullVal, col, col.metaType.IsPlp ? 0x7fffffff : ((int) num2), stateObj);
             buffer[map[i]] = nullVal.SqlValue;
             if (stateObj._longlen != 0L)
             {
                 throw new SqlTruncateException(System.Data.Res.GetString("SqlMisc_TruncationMaxDataMessage"));
             }
         }
         nullVal.Clear();
     }
 }