+get '/table/:table' => sub {
+ my $self = shift;
+
+ my $table = $self->param('table');
+ my $username = $self->param('username');
+ my $limit = $self->param('limit') || 1;
+
+ warn "/table/$table $username $limit";
+
+ my $sql = "select * from $table";
+ $sql .= " where username = '$username'" if $username;
+ $sql .= " limit $limit";
+
+ my $ret;
+ if ( $limit == 1 ) {
+ my $redis = Redis->new;
+ my $json = Mojo::JSON->new->decode( $redis->get( "table.$table.$username" ) );
+ warn "redis hit table.$table.$username";
+
+ # generate result as Store_sql does
+
+ my @c = split(/\s+/, $redis->get("pg.$table"));
+ my ($hash_col) = grep { $c[$_] eq 'h' } 0 .. $#c;
+
+ $ret = {
+ columns => \@c,
+ hash_col => $hash_col,
+ rows => [[ map { $json->{$_} } @c ]],
+ };
+ $ret = Mojo::JSON->new->encode($ret);
+ }
+ if ( ! $ret ) {
+ $ret = $gearman->req( 'SUBMIT_JOB', 'Store_sql', '', $sql );
+ warn "gearman $sql";
+ }
+ warn ">>> $ret";
+ _render_jsonp( $self, $ret );
+};
+
+get '/_g/status' => sub {
+ my $self = shift;
+
+ my $ret = $gearman->req( 'TEXT' => 'status' );
+ warn "# status:\n$ret";
+
+ my @c = qw(function total running available);
+
+ my $status;
+ foreach my $l ( split(/\n/,$ret) ) {
+ my @v = split(/\t/, $l);
+ my $h;
+ $h->{$c[$_]} = $v[$_] foreach 0 .. $#v;
+ push @$status, $h;
+ }
+ warn "## ", dump $status;
+ _render_jsonp( $self, Mojo::JSON->new->encode({ status => $status }) );
+};
+
+sub _gearman_redis {
+ my ( $job, $params, $timeout ) = @_;
+
+ my $key = $params;
+ $key =~ s/\W+/_/gs;
+ $key =~ s/\s+/_/gs;
+ $key = "sql.$key";
+ warn "# _gearman_redis $key [$timeout s]";
+
+ my $redis = Redis->new;
+ my $json;
+
+ if ( $json = $redis->get($key) ) {
+ warn "redis hit $key\n";
+ } else {
+ $gearman->timeout($timeout);
+ $json = $gearman->req( 'SUBMIT_JOB', $job, '', $params );
+ die "no result for $params" unless $json;
+ }
+
+ my $ret = Mojo::JSON->new->decode( $json );
+
+ if ( ! exists $ret->{error} && ref $ret->{columns} ne 'ARRAY' ) {
+ $ret->{error} = 'query run longer than ' . $gearman->timeout . ' s timeout';
+ }
+
+ $redis->set($key => $json);
+ $redis->expire($key => 60); # refresh redis key timeout
+
+ return $ret;
+}
+
+get '/gnuplot' => sub {
+ my $self = shift;
+
+ my $sql = $self->param('sql');
+
+ if ( my $timeout = $self->param('timeout') ) {
+ warn "set timout to $timeout";
+ $gearman->timeout( $timeout );
+ } else {
+ $self->param( timeout => $gearman->timeout );
+ }
+
+ return $self->render('gnuplot', img => '', gnuplot => '') unless $sql;
+
+ # re-format SQL
+ $sql =~ s/\s+(from|where|order|limit|join)/\n$1/gs;
+ $self->param( sql => $sql );
+
+ my $ret = _gearman_redis( 'Store_sql' => $sql, $self->param('timeout') );
+
+ return $self->render('gnuplot', sql => $sql, img => '', gnuplot => $ret->{error} )
+ if exists $ret->{error};
+
+ my $dir = $self->app->home->rel_dir('public');
+
+ my $with = $self->param('with') || 'dots';
+
+ my $name = $sql;
+ $name =~ s/\W+//gs;
+ $name .= $with;
+ $name .= '.png';
+
+warn "# $sql -> $name";
+
+ mkdir "$dir/gnuplot" unless -e "$dir/gnuplot";
+ my $png = "$dir/gnuplot/$name"; # FIXME
+
+ my @c = @{ $ret->{columns} };