Arsse/lib/Db/PDODriver.php

<?php
/** @license MIT
 * Copyright 2017 J. King, Dustin Wilson et al.
 * See LICENSE and AUTHORS files for details */

declare(strict_types=1);

namespace JKingWeb\Arsse\Db;

trait PDODriver {
    use PDOError;

    protected $db;

    public function exec(string $query): bool {
        try {
            $this->db->exec($query);
            return true;
        } catch (\PDOException $e) {
            [$excClass, $excMsg, $excData] = $this->buildPDOException();
            throw new $excClass($excMsg, $excData);
        }
    }

    public function query(string $query): Result {
        try {
            $r = $this->db->query($query);
        } catch (\PDOException $e) {
            [$excClass, $excMsg, $excData] = $this->buildPDOException();
            throw new $excClass($excMsg, $excData);
        }
        return new PDOResult($this->db, $r);
    }

    public function literalString(string $str): string {
        return $this->db->quote($str);
    }
}