use Table::ParentChild;
use File::Slurp;

my @relationships;
my $i=0;
foreach my $line (read_file("data"))
{
  my ($child, $parent)= split ' ',$line;
  $relationships[$i++]= [$parent, $child];
}

my $table = new Table::ParentChild( \@relationships );

my $child= 1045316419;
while (my @parents = $table->parent_lookup( $child ))
{
  print "Parent of $child is ", $parents[0],"\n";
  $child= $parents[0];
}

[download]

Table::ParentChild is an XS module that you will need to build yourself. It is not available from ActiveState last I checked.

It should work perfectly the first time! - toma

In reply to Re: Correction to Database problem by toma
in thread Correction to Database problem by nasa

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