ignoring primary key violations in COPY command - Mailing list pgsql-sql

<div class="Section1"><p><font face="Tahoma" size="2"><span style="font-size:10.0pt;font-family:Tahoma">Hi all,
</span></font><p><fontface="Tahoma" size="2"><span style="font-size:10.0pt;font-family:Tahoma">We are importing the
datafrom the CSV file into the database using COPY command.</span></font> <font face="Tahoma" size="2"><span
style="font-size:10.0pt;font-family:Tahoma">Butwhen the</span></font> <font face="Tahoma" size="2"><span
style="font-size:10.0pt;
font-family:Tahoma">‘primary key</span></font> <font face="Tahoma" size="2"><span
style="font-size:10.0pt;font-family:Tahoma">‘violation occurs , it stops </span></font><p><font face="Tahoma"
size="2"><spanstyle="font-size:10.0pt;font-family:Tahoma">Then and there and data is not</span></font> <font
face="Tahoma"size="2"><span style="font-size:10.0pt;font-family:Tahoma">updated into the</span></font> <font
face="Tahoma"size="2"><span style="font-size:10.0pt;font-family:Tahoma">tables.</span></font> <font face="Tahoma"
size="2"><spanstyle="font-size:10.0pt;font-family:Tahoma">Also in the CSV file the number of columns is not fixed , its
varies</span></font><p><font face="Tahoma" size="2"><span style="font-size:10.0pt;font-family:Tahoma">In number , it
canrange anywhere between 1 -22,</span></font> <font face="Tahoma" size="2"><span
style="font-size:10.0pt;font-family:Tahoma">Ineed to figure out a way such that I need to</span></font> <font
face="Tahoma"size="2"><span style="font-size:10.0pt;font-family:Tahoma">update only those columns which are present
</span></font><p><fontface="Tahoma" size="2"><span style="font-size:10.0pt;font-family:Tahoma">In the CSV file . This
ofcourse</span></font>  <font face="Tahoma" size="2"><span style="font-size:10.0pt;font-family:Tahoma">I would like
to</span></font><font face="Tahoma" size="2"><span style="font-size:10.0pt;font-family:Tahoma">accomplish using COPY
command, Please let me know if at all this is possible in postgresql</span></font> <font face="Tahoma" size="2"><span
style="font-size:10.0pt;
font-family:Tahoma">8.1</span></font><p><a name=""><i><font face="Times New Roman" size="3"><span style="font-size:
12.0pt;font-style:italic">Thanks and regards,</span></font></i></a><p><font color="green" face="Times New Roman"
size="2"><spanstyle="font-size:10.0pt; 
color:green">Rajendra Singh</span></font><p><font face="Times New Roman" size="3"><span
style="font-size:12.0pt"> </span></font><p><fontcolor="red" face="Times New Roman" size="2"><span
style="font-size:10.0pt;
color:red">Wipro Technologies</span></font><p><font color="navy" face="Times New Roman" size="2"><span
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