src/EventListener/DcGeneral/Table/Attribute/PropertyOptionsListener.php
private function getColumnNamesFromTable($tableName, $typeFilter = null)
    {
        if (!$this->connection->getSchemaManager()->tablesExist([$tableName])) {
            return [];
        }

        $result = [];
        foreach ($this->connection->getSchemaManager()->listTableColumns($tableName) as $column) {
            if (($typeFilter === null) || \in_array($column->getType()->getName(), $typeFilter, true)) {
                $result[$column->getName()] = $column->getName();
            }
        }

        if (!empty($result)) {
            \asort($result);

            return $result;
        }

        return $result;
    }
private function getColumnNamesFromTable($tableName, $typeFilter = null)
    {
        if (!$this->connection->getSchemaManager()->tablesExist([$tableName])) {
            return [];
        }

        $result = [];
        foreach ($this->connection->getSchemaManager()->listTableColumns($tableName) as $column) {
            if (($typeFilter === null) || \in_array($column->getType()->getName(), $typeFilter, true)) {
                $result[$column->getName()] = $column->getName();
            }
        }

        if (!empty($result)) {
            \asort($result);

            return $result;
        }

        return $result;
    }
Retrieve all columns from a database table.

@param string     $tableName  The database table name.

@param array|null $typeFilter Optional of types to filter for.

@return string[]