/**
* @throws WrongArgumentException
* @return DBTable
**/
public function addColumn(DBColumn $column)
{
$name = $column->getName();
Assert::isFalse(isset($this->columns[$name]), "column '{$name}' already exist");
$this->order[] = $this->columns[$name] = $column;
$column->setTable($this);
return $this;
}
public function preAutoincrement(DBColumn $column)
{
$column->setDefault(null);
return null;
}
public function getTableInfo($table)
{
static $types = ['tinyint' => DataType::SMALLINT, 'smallint' => DataType::SMALLINT, 'int' => DataType::INTEGER, 'mediumint' => DataType::INTEGER, 'bigint' => DataType::BIGINT, 'double' => DataType::DOUBLE, 'decimal' => DataType::NUMERIC, 'char' => DataType::CHAR, 'varchar' => DataType::VARCHAR, 'text' => DataType::TEXT, 'tinytext' => DataType::TEXT, 'mediumtext' => DataType::TEXT, 'date' => DataType::DATE, 'time' => DataType::TIME, 'timestamp' => DataType::TIMESTAMP, 'datetime' => DataType::TIMESTAMP, 'set' => null, 'enum' => null, 'year' => null];
try {
$result = $this->queryRaw('SHOW COLUMNS FROM ' . $table);
} catch (BaseException $e) {
throw new ObjectNotFoundException("unknown table '{$table}'");
}
$table = new DBTable($table);
while ($row = mysqli_fetch_array($result)) {
$name = strtolower($row['Field']);
$matches = [];
$info = ['type' => null, 'extra' => null];
if (preg_match('~(\\w+)(\\((\\d+?)\\)){0,1}\\s*(\\w*)~', strtolower($row['Type']), $matches)) {
$info['type'] = $matches[1];
$info['size'] = $matches[3];
$info['extra'] = $matches[4];
}
Assert::isTrue(array_key_exists($info['type'], $types), 'unknown type "' . $types[$info['type']] . '" found in column "' . $name . '"');
if (empty($types[$info['type']])) {
continue;
}
$column = DBColumn::create(DataType::create($types[$info['type']])->setUnsigned(strtolower($info['extra']) == 'unsigned')->setNull(strtolower($row['Null']) == 'yes'), $name)->setAutoincrement(strtolower($row['Extra']) == 'auto_increment')->setPrimaryKey(strtolower($row['Key']) == 'pri');
if ($row['Default']) {
$column->setDefault($row['Default']);
}
$table->addColumn($column);
}
return $table;
}
private static function checkColumn(DBColumn $column)
{
Assert::isTrue($column->getTable() !== null && $column->getDefault() === null);
}
private static function checkColumn(DBColumn $column)
{
$type = $column->getType();
Assert::isTrue(($type->getId() == DataType::BIGINT || $type->getId() == DataType::INTEGER) && $column->isPrimaryKey());
}
