Jackalope\Transport\DoctrineDBAL\Client::query PHP Method

    public function query(Query $query)
    {
        $this->assertLoggedIn();
        if (!$query instanceof QueryObjectModelInterface) {
            $parser = new Sql2ToQomQueryConverter($this->factory->get('Query\\QOM\\QueryObjectModelFactory'));
            try {
                $qom = $parser->parse($query->getStatement());
                $qom->setLimit($query->getLimit());
                $qom->setOffset($query->getOffset());
            } catch (\Exception $e) {
                throw new InvalidQueryException('Invalid query: ' . $query->getStatement(), null, $e);
            }
        } else {
            $qom = $query;
        }
        $qomWalker = new QOMWalker($this->nodeTypeManager, $this->getConnection(), $this->getNamespaces());
        list($selectors, $selectorAliases, $sql) = $qomWalker->walkQOMQuery($qom);
        $primarySource = reset($selectors);
        $primaryType = $primarySource->getSelectorName() ?: $primarySource->getNodeTypeName();
        $data = $this->getConnection()->fetchAll($sql, array($this->workspaceName));
        $results = $properties = $standardColumns = array();
        foreach ($data as $row) {
            $result = array();
            /** @var SelectorInterface $selector */
            foreach ($selectors as $selector) {
                $selectorName = $selector->getSelectorName() ?: $selector->getNodeTypeName();
                $columnPrefix = isset($selectorAliases[$selectorName]) ? $selectorAliases[$selectorName] . '_' : $selectorAliases[''] . '_';
                if ($primaryType === $selector->getNodeTypeName()) {
                    $result[] = array('dcr:name' => 'jcr:path', 'dcr:value' => $row[$columnPrefix . 'path'], 'dcr:selectorName' => $selectorName);
                }
                $result[] = array('dcr:name' => 'jcr:path', 'dcr:value' => $row[$columnPrefix . 'path'], 'dcr:selectorName' => $selectorName);
                $result[] = array('dcr:name' => 'jcr:score', 'dcr:value' => 0, 'dcr:selectorName' => $selectorName);
                if (0 === count($qom->getColumns())) {
                    $selectorPrefix = null !== $selector->getSelectorName() ? $selectorName . '.' : '';
                    $result[] = array('dcr:name' => $selectorPrefix . 'jcr:primaryType', 'dcr:value' => $primaryType, 'dcr:selectorName' => $selectorName);
                }
                if (isset($row[$columnPrefix . 'props'])) {
                    $propertyNames = array();
                    $columns = $qom->getColumns();
                    // Always populate jcr:created and jcr:createdBy if a wildcard selector is used.
                    // This emulates the behavior of Jackrabbit
                    if (0 === count($columns)) {
                        $propertyNames = array('jcr:created', 'jcr:createdBy');
                    }
                    foreach ($columns as $column) {
                        if (!$column->getSelectorName() || $column->getSelectorName() == $selectorName) {
                            $propertyNames[] = $column->getPropertyName();
                        }
                    }
                    $properties[$selectorName] = (array) $this->xmlToColumns($row[$columnPrefix . 'props'], $propertyNames);
                } else {
                    $properties[$selectorName] = array();
                }
                // TODO: add other default columns that Jackrabbit provides to provide a more consistent behavior
                if (isset($properties[$selectorName]['jcr:createdBy'])) {
                    $standardColumns[$selectorName]['jcr:createdBy'] = $properties[$selectorName]['jcr:createdBy'];
                }
                if (isset($properties[$selectorName]['jcr:created'])) {
                    $standardColumns[$selectorName]['jcr:created'] = $properties[$selectorName]['jcr:created'];
                }
            }
            $reservedNames = array('jcr:path', 'jcr:score');
            foreach ($qom->getColumns() as $column) {
                $selectorName = $column->getSelectorName();
                $columnName = $column->getPropertyName();
                $columnPrefix = isset($selectorAliases[$selectorName]) ? $selectorAliases[$selectorName] . '_' : $selectorAliases[''] . '_';
                if (in_array($column->getColumnName(), $reservedNames)) {
                    throw new InvalidQueryException(sprintf('Cannot reserved name "%s". Reserved names are "%s"', $column->getColumnName(), implode('", "', $reservedNames)));
                }
                $dcrValue = 'jcr:uuid' === $columnName ? $row[$columnPrefix . 'identifier'] : (isset($properties[$selectorName][$columnName]) ? $properties[$selectorName][$columnName] : '');
                if (isset($standardColumns[$selectorName][$columnName])) {
                    unset($standardColumns[$selectorName][$columnName]);
                }
                $result[] = array('dcr:name' => $column->getColumnName() === $columnName && isset($properties[$selectorName][$columnName]) ? $selectorName . '.' . $columnName : $column->getColumnName(), 'dcr:value' => $dcrValue, 'dcr:selectorName' => $selectorName ?: $primaryType);
            }
            foreach ($standardColumns as $selectorName => $columns) {
                foreach ($columns as $columnName => $value) {
                    $result[] = array('dcr:name' => $primaryType . '.' . $columnName, 'dcr:value' => $value, 'dcr:selectorName' => $selectorName);
                }
            }
            $results[] = $result;
        }
        return $results;
    }

 /**
  * {@inheritDoc}
  */
 public function query(Query $query)
 {
     $this->logger->startCall(__FUNCTION__, func_get_args(), array('fetchDepth' => $this->transport->getFetchDepth()));
     $result = $this->transport->query($query);
     $this->logger->stopCall();
     return $result;
 }