+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 $ret;
+
+ if ( $ret = $redis->get($key) ) {
+ warn "redis hit $key\n";
+ } else {
+ $gearman->timeout($timeout);
+ $ret = $gearman->req( 'SUBMIT_JOB', $job, '', $params );
+ die "no result for $params" unless $ret;
+
+ $redis->set($key => $ret);
+ }
+
+ $redis->expire($key => 60); # refresh redis key timeout
+
+ $ret = Mojo::JSON->new->decode( $ret );
+
+ if ( ! exists $ret->{error} && ref $ret->{columns} ne 'ARRAY' ) {
+ $ret->{error} = 'query run longer than ' . $gearman->timeout . ' s timeout';
+ }
+
+ return $ret;
+}
+