/**
* カラム情報を取得する
*
* @param string $table_name
* @return Column[]
*/
public function getColumns($table_name)
{
$sql = sprintf('SHOW COLUMNS FROM %s', $this->quoteTableName($table_name));
$results = $this->db->build($sql)->fetchAll();
$columns = [];
foreach ($results as $result) {
preg_match('/^.*\\(([0-9]+)\\)/', $result->Type, $matches);
$limit = isset($matches[1]) ? $matches[1] : null;
$column = new Column();
$column->setName($result->Field)->setType($result->Type)->setNull($result->Null === 'YES')->setDefault($result->Default)->setLimit($limit);
if ($result->Extra == 'auto_increment') {
$result->setIdentity(true);
}
$columns[] = $column;
}
return $columns;
}
/**
* カラム情報を変更する
*
* @param string $column_name
* @param string $column_type
* @param array $options
* @return Table
*/
public function changeColumn($column_name, $column_type, $options = [])
{
$column = new Column();
$column->setName($column_name);
$column->setType($column_type);
$column->setOptions($options);
$this->getAdapter()->changeColumn($this->getName(), $column);
return $this;
}