gistfile1.txt

add_filter( 'bricks/setup/control_options', function( $control_options ) {
    $control_options['queryTypes']['reviews'] = esc_html__( 'WP Social Ninja Reviews', 'pixite-reviews' );
    return $control_options;
} );

add_filter( 'bricks/query/run', function( $results, $query_obj ) {
    if ( $query_obj->object_type !== 'reviews' ) {
        return $results;
    }
	
    global $wpdb;
    $table_name = $wpdb->prefix . 'wpsr_reviews';
    $data = $wpdb->get_results( "SELECT reviewer_name, reviewer_url, reviewer_text, review_time FROM $table_name WHERE reviewer_text IS NOT NULL AND rating = 5 ORDER BY RAND() LIMIT 6" );

    if (empty($data)) {
        return $results;
    }
	
    $output = [];
    foreach ($data as $d) {
        $review = [
            'reviewer_name' => $d->reviewer_name,
            'reviewer_url' => $d->reviewer_url,
            'reviewer_text' => $d->reviewer_text,
            'review_time' => date('F j, Y', strtotime($d->review_time))
        ];
        $output[] = $review;
    }
    
    return $output;
	
}, 10, 2 );

add_filter( 'bricks/query/loop_object', function( $loop_object, $loop_key, $query_obj ) {
    if ( $query_obj->object_type !== 'reviews' ) {
        return $loop_object;
    }

    /* Usually you'd prepare a WP_Post object or something
     * in here (see official documentation).
     * In this specific case there is nothing to do here.
     */
    
    return $loop_object;
}, 10, 3 );

function get_custom_loop_object_property( $name ) {
    $loop_object = \Bricks\Query::get_loop_object();
    if ( ! $loop_object ) return false;
    if ( ! is_array( $loop_object ) ) return false;
    if ( ! array_key_exists( $name, $loop_object ) ) return false;
    return $loop_object[$name];
}

Use:

Reviewer Name:
{echo:get_custom_loop_object_property(reviewer_name)}

Reviewer URL:
{echo:get_custom_loop_object_property(reviewer_url)}

Reviewer Text:
{echo:get_custom_loop_object_property(reviewer_text)}

Reviewer Time:
{echo:get_custom_loop_object_property(review_time)}