my $current_month = 11;
my $num_days_of_supp = 120;

my @months_of_support = ( ($current_month-($num_days_of_supp/30)+1) ..
+ $current_month );
my $sql = 'SELECT GREATEST(ROUND((SUM'
  . join( '+', map { sprintf "mth_%02i", $_ } ( 0 .. 12 ) )
  . ") / 365 ) * $num_days_of_supp ), ROUND (SUM ("
  . join('+', map { sprintf "mth_%02i", $_ } @months_of_support)
  . ')))  QTY, b. p_dlrn, b.p_dlrsplrcode '
  . <<EOF;
FROM ...
EOF

[download]

That'll create the output you wanted from the input given (well, fill in the ... )-- but I'm not sure that's really what you want, given what you said. If mth_01 is the current month, why are you looking at mth_08 to mth_11 for the last 11 days?

In reply to Re: Dynamic SQL script by jhourcle
in thread Dynamic SQL script by sasrs99

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