#!/usr/bin/perl -w

use strict;
use FS::UID qw(adminsuidsetup dbh);
use FS::Schema qw(dbdef);
use FS::Record; #why is this necessary

adminsuidsetup shift or die "usage: pg-sizer user";

my $verbose = 1;

my %size = ();
my %prettysize = ();

foreach my $table ( dbdef->tables ) {
  warn "sizing $table...\n" if $verbose;
  my $sth = dbh->prepare("SELECT pg_total_relation_size('$table')")
    or die dbh->errstr;
  $sth->execute or die $sth->errstr;
  my $size = $sth->fetchrow_arrayref->[0];
  $size{$table} = $size;

  my $psth = dbh->prepare("SELECT pg_size_pretty( $size )")
    or die dbh->errstr;
  $psth->execute or die $psth->errstr;
  my $prettysize = $psth->fetchrow_arrayref->[0];
  $prettysize{$table} = $prettysize;

  warn "$table: $prettysize{$table}\n" if $verbose;
}

foreach my $table ( reverse sort { $size{$a} <=> $size{$b} } keys %size ) {
  #print "$table: $size{$table}\n";
  print "$table: $prettysize{$table}\n";
}