0 follower

Final Class Yiisoft\Db\Mysql\DQLQueryBuilder

All Classes | Methods
InheritanceYiisoft\Db\Mysql\DQLQueryBuilder » Yiisoft\Db\QueryBuilder\AbstractDQLQueryBuilder

Implements a DQL (Data Query Language) SQL statements for MySQL, MariaDB.

Public Methods

Hide inherited methods

Method Description Defined By
buildLimit() Yiisoft\Db\Mysql\DQLQueryBuilder

Protected Methods

Hide inherited methods

Method Description Defined By
defaultExpressionBuilders() Yiisoft\Db\Mysql\DQLQueryBuilder

Method Details

Hide inherited methods

buildLimit() public method

public buildLimit( \Yiisoft\Db\Expression\ExpressionInterface|integer|null $limit, \Yiisoft\Db\Expression\ExpressionInterface|integer|null $offset ): string
$limit \Yiisoft\Db\Expression\ExpressionInterface|integer|null
$offset \Yiisoft\Db\Expression\ExpressionInterface|integer|null 

                public function buildLimit(ExpressionInterface|int|null $limit, ExpressionInterface|int|null $offset): string
{
    if (!empty($offset)) {
        /**
         * Limit isn't optional in MySQL.
         *
         * @link https://stackoverflow.com/a/271650/1106908
         * @link https://dev.mysql.com/doc/refman/5.0/en/select.html#idm47619502796240
         */
        $limit = $limit instanceof ExpressionInterface
            ? $this->buildExpression($limit)
            : $limit ?? '18446744073709551615'; // 2^64-1
        $offset = $offset instanceof ExpressionInterface
            ? $this->buildExpression($offset)
            : (string) $offset;
        return "LIMIT $limit OFFSET $offset";
    }
    if ($limit !== null) {
        $limit = $limit instanceof ExpressionInterface ? $this->buildExpression($limit) : (string) $limit;
        return "LIMIT $limit";
    }
    return '';
}
defaultExpressionBuilders() protected method

protected defaultExpressionBuilders( ): array

                protected function defaultExpressionBuilders(): array
{
    return [
        ...parent::defaultExpressionBuilders(),
        JsonOverlaps::class => JsonOverlapsBuilder::class,
        Like::class => LikeBuilder::class,
        NotLike::class => LikeBuilder::class,
        ArrayMerge::class => ArrayMergeBuilder::class,
        Longest::class => LongestBuilder::class,
        Shortest::class => ShortestBuilder::class,
    ];
}