Ip\Internal\Grid\Model\Config::getTableFields PHP Method

    protected function getTableFields($tableName, $languageTable)
    {
        $result = array();
        $sql = "SHOW COLUMNS FROM " . $tableName . " " . $this->joinQuery() . " ";
        $fields = ipDb()->fetchColumn($sql);
        foreach ($fields as $fieldName) {
            $result[] = array('label' => $fieldName, 'field' => $fieldName);
        }
        if ($this->isMultilingual()) {
            $sql = "SHOW COLUMNS FROM " . $languageTable . " ";
            $fields = ipDb()->fetchColumn($sql);
            foreach ($fields as $fieldName) {
                if (in_array($fieldName, array($this->languageCodeField(), $this->languageForeignKeyField()))) {
                    continue;
                }
                $result[] = array('label' => $fieldName, 'field' => $fieldName, 'multilingual' => 1);
            }
        }
        return $result;
    }