/**
* changeColumn
*
* @param string $oldName
* @param string|Column $newName
* @param string $type
* @param bool $signed
* @param bool $allowNull
* @param string $default
* @param string $comment
* @param array $options
*
* @return static
*/
public function changeColumn($oldName, $newName, $type = 'text', $signed = true, $allowNull = true, $default = '', $comment = '', $options = array())
{
$column = $name = $newName;
if ($column instanceof Column) {
$name = $column->getName();
$type = $column->getType();
$length = $column->getLength();
$allowNull = $column->getAllowNull();
$default = $column->getDefault();
$comment = $column->getComment();
}
$type = PostgresqlType::getType($type);
$length = isset($length) ? $length : PostgresqlType::getLength($type);
$length = PostgresqlType::noLength($type) ? null : $length;
$length = $length ? '(' . $length . ')' : null;
$query = $this->db->getQuery(true);
// Type
$sql = PostgresqlQueryBuilder::build('ALTER TABLE ' . $query->quoteName($this->table), 'ALTER COLUMN', $query->quoteName($oldName), 'TYPE', $type . $length, $this->usingTextToNumeric($oldName, $type));
// Not NULL
$sql .= ";\n" . PostgresqlQueryBuilder::build('ALTER TABLE ' . $query->quoteName($this->table), 'ALTER COLUMN', $query->quoteName($oldName), $allowNull ? 'DROP' : 'SET', 'NOT NULL');
// Default
if (!is_null($default)) {
$sql .= ";\n" . PostgresqlQueryBuilder::build('ALTER TABLE ' . $query->quoteName($this->table), 'ALTER COLUMN', $query->quoteName($oldName), 'SET DEFAULT' . $query->quote($default));
}
// Comment
$sql .= ";\n" . PostgresqlQueryBuilder::comment('COLUMN', $this->table, $oldName, $comment);
// Rename
$sql .= ";\n" . PostgresqlQueryBuilder::renameColumn($this->table, $oldName, $name);
DatabaseHelper::batchQuery($this->db, $sql);
return $this;
}
/**
* Method to test renameColumn().
*
* @return void
*
* @covers Windwalker\Query\Postgresql\PostgresqlQueryBuilder::renameColumn
*/
public function testRenameColumn()
{
$expected = "ALTER TABLE {$this->qn('foo')} RENAME {$this->qn('bar')} TO {$this->qn('yoo')}";
$actual = PostgresqlQueryBuilder::renameColumn('foo', 'bar', 'yoo');
$this->assertEquals($this->format($expected), $this->format($actual));
}
