System.Data.SQLite

Check-in [3e063f371f]
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Overview
Comment:Fix for [201128cc88].
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SHA1: 3e063f371f256f0a60fe33a801e0cf5c2f191fad
User & Date: mistachkin 2011-07-05 10:13:18.191
References
2011-07-07
04:30 • Ticket [201128cc88] SQLite3.GetParamValueBytes optimization status still Closed with 2 other changes artifact: b6073f8c6c user: mistachkin
2011-07-05
10:18 • Closed ticket [201128cc88]. artifact: fe6aeb5e69 user: mistachkin
Context
2011-07-05
10:13
Cleanup leaked variables in test case. check-in: 84d5eb1e69 user: mistachkin tags: trunk
10:13
Fix for [201128cc88]. check-in: 3e063f371f user: mistachkin tags: trunk
10:05
First attempt to reproduce the issue in ticket [e1b2e0f769]. check-in: 984585f3ac user: mistachkin tags: trunk
Changes
Unified Diff Ignore Whitespace Patch
Changes to System.Data.SQLite/SQLite3.cs.
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#else
      throw new NotImplementedException();
#endif
    }

    internal override long GetParamValueBytes(IntPtr p, int nDataOffset, byte[] bDest, int nStart, int nLength)
    {
      IntPtr ptr;
      int nlen;
      int nCopied = nLength;

      nlen = UnsafeNativeMethods.sqlite3_value_bytes(p);
      ptr = UnsafeNativeMethods.sqlite3_value_blob(p);

      if (bDest == null) return nlen;




      if (nCopied + nStart > bDest.Length) nCopied = bDest.Length - nStart;
      if (nCopied + nDataOffset > nlen) nCopied = nlen - nDataOffset;

      if (nCopied > 0)
        Marshal.Copy((IntPtr)(ptr.ToInt32() + nDataOffset), bDest, nStart, nCopied);
      else nCopied = 0;








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#else
      throw new NotImplementedException();
#endif
    }

    internal override long GetParamValueBytes(IntPtr p, int nDataOffset, byte[] bDest, int nStart, int nLength)
    {




      int nlen = UnsafeNativeMethods.sqlite3_value_bytes(p);


      if (bDest == null) return nlen;

      IntPtr ptr = UnsafeNativeMethods.sqlite3_value_blob(p);
      int nCopied = nLength;

      if (nCopied + nStart > bDest.Length) nCopied = bDest.Length - nStart;
      if (nCopied + nDataOffset > nlen) nCopied = nlen - nDataOffset;

      if (nCopied > 0)
        Marshal.Copy((IntPtr)(ptr.ToInt32() + nDataOffset), bDest, nStart, nCopied);
      else nCopied = 0;
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