src/Neutrino/Database/Schema/Dialect/WrapperTrait.php
public function modifyColumn(
        $tableName,
        $schemaName,
        Db\ColumnInterface $column,
        Db\ColumnInterface $currentColumn = null
    )
    {
        return $this->dialect->modifyColumn($tableName, $schemaName, $column, $currentColumn);
    }
public function modifyColumn(
        $tableName,
        $schemaName,
        Db\ColumnInterface $column,
        Db\ColumnInterface $currentColumn = null
    )
    {
        return $this->dialect->modifyColumn($tableName, $schemaName, $column, $currentColumn);
    }
Generates SQL to modify a column in a table

@param string                      $tableName
@param string                      $schemaName
@param \Phalcon\Db\ColumnInterface $column
@param \Phalcon\Db\ColumnInterface $currentColumn

@return string