示例#1
0
 public Result GetChars(Session session, long lobId, long offset, int length)
 {
     lock (this)
     {
         Result result2 = this.GetBytes(lobId, offset * 2L, length * 2);
         if (result2.IsError())
         {
             return(result2);
         }
         char[] chars = ArrayUtil.ByteArrayToChars(((ResultLob)result2).GetByteArray());
         return(ResultLob.NewLobGetCharsResponse(lobId, offset, chars));
     }
 }
示例#2
0
 public int CompareText(long aId, long bId)
 {
     lock (this)
     {
         long    num2      = (long)this.GetLobHeader(aId)[1];
         long    num3      = (long)this.GetLobHeader(bId)[1];
         int[][] numArray  = this.GetBlockAddresses(aId, 0, 0x7fffffff);
         int[][] numArray2 = this.GetBlockAddresses(bId, 0, 0x7fffffff);
         int     index     = 0;
         int     num5      = 0;
         int     num6      = 0;
         int     num7      = 0;
         do
         {
             int    blockAddress = numArray[index][0] + num6;
             int    num10        = numArray2[num5][0] + num7;
             byte[] blockBytes   = this._lobStore.GetBlockBytes(num10, 1);
             long   num11        = num2 - (((numArray[index][2] + num6) * this._lobBlockSize) / 2);
             if (num11 > (this._lobBlockSize / 2))
             {
                 num11 = this._lobBlockSize / 2;
             }
             long num12 = num3 - (((numArray2[num5][2] + num7) * this._lobBlockSize) / 2);
             if (num12 > (this._lobBlockSize / 2))
             {
                 num12 = this._lobBlockSize / 2;
             }
             string a    = new string(ArrayUtil.ByteArrayToChars(this._lobStore.GetBlockBytes(blockAddress, 1)), 0, (int)num11);
             string b    = new string(ArrayUtil.ByteArrayToChars(blockBytes), 0, (int)num12);
             int    num8 = this._database.collation.Compare(a, b);
             if (num8 != 0)
             {
                 return(num8);
             }
             num6++;
             num7++;
             if (num6 == numArray[index][1])
             {
                 num6 = 0;
                 index++;
             }
             if (num7 == numArray2[num5][1])
             {
                 num7 = 0;
                 num5++;
             }
         }while (index != numArray.Length);
         return(0);
     }
 }
示例#3
0
 public int Compare(IClobData a, string b)
 {
     lock (this)
     {
         long    num2       = (long)this.GetLobHeader(a.GetId())[1];
         int[][] numArray   = this.GetBlockAddresses(a.GetId(), 0, 0x7fffffff);
         int     index      = 0;
         int     startIndex = 0;
         int     num5       = 0;
         do
         {
             int  blockAddress = numArray[index][0] + num5;
             long num8         = num2 - (((numArray[index][2] + num5) * this._lobBlockSize) / 2);
             if (num8 > (this._lobBlockSize / 2))
             {
                 num8 = this._lobBlockSize / 2;
             }
             string str    = new string(ArrayUtil.ByteArrayToChars(this._lobStore.GetBlockBytes(blockAddress, 1)), 0, (int)num8);
             int    length = b.Length - startIndex;
             if (length > (this._lobBlockSize / 2))
             {
                 length = this._lobBlockSize / 2;
             }
             string str2 = b.Substring(startIndex, length);
             int    num6 = this._database.collation.Compare(str, str2);
             if (num6 != 0)
             {
                 return(num6);
             }
             num5++;
             startIndex += this._lobBlockSize / 2;
             if (num5 == numArray[index][1])
             {
                 num5 = 0;
                 index++;
             }
         }while (index != numArray.Length);
         return(0);
     }
 }