Function _render_table has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

    protected function _render_table($add_alias = true): ?string
    {
        // will be joined for output
        $ret = [];

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Method consume has 35 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    protected function consume($expression, string $escapeMode = self::ESCAPE_PARAM)
    {
        if (!is_object($expression)) {
            switch ($escapeMode) {
                case self::ESCAPE_PARAM:

Method connectDbalConnection has 34 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    protected static function connectDbalConnection(array $dsn)
    {
        // for some reasons, the following error:
        // PDOException: SQLSTATE[HY000]: pdo_oci_handle_factory: ORA-12516: TNS:listener could not find available handler with matching protocol stack
        // is shown randomly when a lot of connections are created in tests,

Function _render_field has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

    protected function _render_field($add_alias = true): string
    {
        // will be joined for output
        $ret = [];

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Method order has 29 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public function order($order, $desc = null)
    {
        // Case with comma-separated fields or first argument being an array
        if (is_string($order) && strpos($order, ',') !== false) {
            $order = explode(',', $order);

Method _render_case has 28 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    protected function _render_case(): ?string
    {
        if (!isset($this->args['case_when'])) {
            return null;
        }

Method getUpdateExtendedPropertySQL has 8 arguments (exceeds 4 allowed). Consider refactoring.

Open

                        $name,
                        $value = null,
                        $level0Type = null,
                        $level0Name = null,
                        $level1Type = null,

Method getAddExtendedPropertySQL has 8 arguments (exceeds 4 allowed). Consider refactoring.

Open

                        $name,
                        $value = null,
                        $level0Type = null,
                        $level0Name = null,
                        $level1Type = null,

Function connectDbalConnection has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    protected static function connectDbalConnection(array $dsn)
    {
        if (isset($dsn['pdo'])) {
            $pdo = $dsn['pdo'];
        } else {

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Method getDropExtendedPropertySQL has 7 arguments (exceeds 4 allowed). Consider refactoring.

Open

                        $name,
                        $level0Type = null,
                        $level0Name = null,
                        $level1Type = null,
                        $level1Name = null,

Method where has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

    public function where($field, $cond = null, $value = null, $kind = 'where', $num_args = null)

Function __construct has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

    public function __construct($properties = [], $arguments = null)
    {
        // save template
        if (is_string($properties)) {
            $properties = ['template' => $properties];

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Function set has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

    public function set($field, $value = null)
    {
        if (is_array($value)) {
            throw (new Exception('Array values are not supported by SQL'))
                ->addMoreInfo('field', $field)

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Function field has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

    public function field($field, $alias = null)
    {
        // field is passed as string, may contain commas
        if (is_string($field) && strpos($field, ',') !== false) {
            $field = explode(',', $field);

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Function _render_join has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

    public function _render_join(): ?string
    {
        if (!isset($this->args['join'])) {
            return '';
        }

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Function normalizeDsn has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

    public static function normalizeDsn($dsn, $user = null, $pass = null)
    {
        // Try to dissect DSN into parts
        $parts = is_array($dsn) ? $dsn : parse_url($dsn);

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Avoid too many return statements within this method.

Open

                return '1 = 1'; // always true

Avoid too many return statements within this method.

Open

            return $field . ' ' . $cond . ' ' . $value;

Avoid too many return statements within this method.

Open

            $value = '(' . implode(', ', array_map(function ($v) { return $this->escapeParam($v); }, $value)) . ')';

Avoid too many return statements within this method.

Open

        return $ret;