I have been trying to understand this for some time now. The ':' in the strings I was using for time parameters was in fact the problem.
my $stime = '2010-01-01 00:00:00'
my $qstring = qq{select * from mytable where start > $stime
return};
which returned the error "DBD::ODBC does not yet support binding a named parameter more than once". After reading this, I made things work by (abbreviatedj example)...
my $stime = '2010-01-01 00:00:00'
my $qstring = qq{select * from mytable where start > '$stime'
return};
..which made all work just fine. Apparently those ':' create the problem.
Thanks for pointing that out!
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