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<DIV><FONT face=Arial size=2>This is what the TBlobField does for size - Note:
this is a protected function...</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>function TBlobField.GetBlobSize:
Integer;<BR>begin<BR> with DataSet.CreateBlobStream(Self, bmRead)
do<BR> try<BR> Result :=
Size;<BR> finally<BR>
Free;<BR> end;<BR>end;<BR></FONT></DIV>
<DIV>Regards<BR>Paul McKenzie<BR>SMSS Ltd.<BR>Wellington<BR>New Zealand</DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=johnc@s4-technology.com href="mailto:johnc@s4-technology.com">JC</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=delphi@ns3.123.co.nz
href="mailto:delphi@ns3.123.co.nz">'NZ Borland Developers Group - Delphi
List'</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, August 20, 2004 2:08
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> RE: [DUG] size of a blob</DIV>
<DIV><BR></DIV>
<DIV><SPAN class=468340302-20082004><FONT face=Arial color=#0000ff size=2>No,
'where image is null' doesn't seem to detect an empty
blob!</FONT></SPAN></DIV>
<DIV><SPAN class=468340302-20082004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=468340302-20082004><FONT face=Arial color=#0000ff size=2>Any
other ideas?</FONT></SPAN></DIV>
<DIV><SPAN class=468340302-20082004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=468340302-20082004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT
face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> <A
href="mailto:delphi-bounces@ns3.123.co.nz">delphi-bounces@ns3.123.co.nz</A>
[mailto:delphi-bounces@ns3.123.co.nz] <B>On Behalf Of </B>Paul
McKenzie<BR><B>Sent:</B> Friday, 20 August 2004 1:08 p.m.<BR><B>To:</B> NZ
Borland Developers Group - Delphi List<BR><B>Subject:</B> Re: [DUG] size of
a blob<BR><BR></FONT></DIV>
<DIV><FONT face=Arial size=2>Can you test for Null...</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT><FONT face=Arial
size=2></FONT> </DIV>
<DIV>Regards<BR>Paul McKenzie<BR>SMSS Ltd.<BR>Wellington<BR>New
Zealand</DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=johnc@s4-technology.com
href="mailto:johnc@s4-technology.com">JC</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=delphi@ns3.123.co.nz
href="mailto:delphi@ns3.123.co.nz">DUG</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, August 20, 2004 12:34
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [DUG] size of a blob</DIV>
<DIV><BR></DIV>
<DIV><SPAN class=076143200-20082004><FONT face=Arial size=2>Hi
all,</FONT></SPAN></DIV>
<DIV><SPAN class=076143200-20082004><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=076143200-20082004><FONT face=Arial size=2>Is there any
way of getting a query result where the size of a blob field ('image' in
this case) is larger then 0?</FONT></SPAN></DIV>
<DIV><SPAN class=076143200-20082004><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=076143200-20082004><FONT face=Arial size=2>Thus something
like:</FONT></SPAN></DIV>
<DIV><SPAN class=076143200-20082004><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=076143200-20082004><FONT face=Arial size=2>select
name<BR>from CONFIG_ITEMS<BR>where size(image) >0</FONT></SPAN></DIV>
<DIV><SPAN class=076143200-20082004><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=076143200-20082004><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=076143200-20082004><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=076143200-20082004><FONT face=Arial
size=2>TIA,</FONT></SPAN></DIV>
<DIV><SPAN class=076143200-20082004><FONT face=Arial
size=2>John</FONT></SPAN></DIV>
<P>
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