<?php declare(strict_types=1);

namespace BitBadger\PDODocument;

/**
 * How multiple fields should be matched
 */
enum FieldMatch
{
    /** Match all provided fields (`AND`) */
    case All;

    /** Match any provided fields (`OR`) */
    case Any;

    /**
     * Get the SQL keyword for this enumeration value
     *
     * @return string The SQL keyword for this enumeration value
     */
    public function toString(): string
    {
        return match ($this) {
            FieldMatch::All => 'AND',
            FieldMatch::Any => 'OR'
        };
    }
}