public function get_sql( $sql ) {

		global $wpdb;

		if ( empty( $sql ) ) {
			$sql = $this->sql;
		}

		/**
		 * Allow SQL query to be manipulated.
		 *
		 * @param string   $sql       SQL Query string.
		 * @param PodsData $pods_data PodsData object.
		 *
		 * @since 2.7.0
		 */
		$sql = apply_filters( 'pods_data_get_sql', $sql, $this );

		$sql = str_replace( array( '@wp_users', '@wp_' ), array( $wpdb->users, $wpdb->prefix ), $sql );

		$sql = str_replace( '{prefix}', '@wp_', $sql );
		$sql = str_replace( '{/prefix/}', '{prefix}', $sql );

		return $sql;
	}