Try 
my $labels = [];
my $data = [];
while (my $ref = $sth->fetchrow_hashref()) { 
  push @$labels,$ref->{'Labels'}; 
  push @$data,$ref->{'Data'}; 
}

[download]
poj

In reply to Re^3: DBD:Pg getting output in an array by poj
in thread DBD:Pg getting output in an array by terrykhatri

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