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#1: resultset metadata libpq

Posted on 2010-07-27 14:15:03 by Ravi Katkar

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Hi List,

I am using libpq c api to connect postgresql server.

I wanted to retrieve the below metadata information for a column from resul=
tset.

Column name, ( PQfname )
type, (PQftype )
precision, ( ?)
scale, (?)
nullability(?)

Thanks in advance

Regards,
Ravi Katkar

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<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Hi List, <o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>I am using libpq c api to connect
postgresql server. <o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>I wanted to retrieve the below metadat=
a information
for a column from resultset.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Column name, &nbsp;( </span></font><fo=
nt
size=3D2 color=3Dnavy face=3DArial><span style=3D'font-size:10.0pt;font-fam=
ily:Arial;
color:navy'>PQfname ) <o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;type, (</span></font><font size=
=3D2
color=3Dnavy face=3DArial><span style=3D'font-size:10.0pt;font-family:Arial=
;
color:navy'>PQftype ) <o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;precision, ( ?)<o:p></o:p></span=
></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;scale, (?)<o:p></o:p></span></fo=
nt></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>nullability(?)<o:p></o:p></span></font=
></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Thanks in advance <o:p></o:p></span></=
font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Regards,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><st1:place w:st=3D"on"><font size=3D2 color=3Dnavy fac=
e=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Ravi</span></font>=
</st1:place><font
size=3D2 color=3Dnavy face=3DArial><span style=3D'font-size:10.0pt;font-fam=
ily:Arial;
color:navy'> Katkar <o:p></o:p></span></font></p>

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#2: Re: resultset metadata libpq

Posted on 2010-07-27 14:43:58 by Ravi Katkar

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________________________________
From: Ravi Katkar
Sent: Tuesday, July 27, 2010 5:45 PM
To: 'pgsql-general@postgresql.org'; 'pgsql-odbc@postgresql.org'
Subject: resultset metadata libpq

Hi List,

I am using libpq c api to connect postgresql server.

I wanted to retrieve the below metadata information for a column from resul=
tset.

Column name, ( PQfname )
type, (PQftype )
precision, ( ?)
scale, (?)
nullability(?)

Thanks in advance

Regards,
Ravi Katkar

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<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

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<p class=3DMsoNormal><b><font size=3D2 face=3DTahoma><span style=3D'font-si=
ze:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=3D2
face=3DTahoma><span style=3D'font-size:10.0pt;font-family:Tahoma'> Ravi Kat=
kar <br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Tuesday, July 27, 2010=
5:45
PM<br>
<b><span style=3D'font-weight:bold'>To:</span></b>
'pgsql-general@postgresql.org'; 'pgsql-odbc@postgresql.org'<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> resultset metadata =
libpq</span></font><o:p></o:p></p>

</div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span style=3D=
'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Hi List, <o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>I am using libpq c api to connect
postgresql server. <o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>I wanted to retrieve the below metadat=
a
information for a column from resultset.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Column name, &nbsp;( PQfname ) <o:p></=
o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;type, (PQftype ) <o:p></o:p></sp=
an></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;precision, ( ?)<o:p></o:p></span=
></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;scale, (?)<o:p></o:p></span></fo=
nt></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>nullability(?)<o:p></o:p></span></font=
></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Thanks in advance <o:p></o:p></span></=
font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span style=
=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Regards,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><st1:place w:st=3D"on"><font size=3D2 color=3Dnavy fac=
e=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Ravi</span></font>=
</st1:place><font
size=3D2 color=3Dnavy face=3DArial><span style=3D'font-size:10.0pt;font-fam=
ily:Arial;
color:navy'> Katkar <o:p></o:p></span></font></p>

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