public function dropColumn($tableName, $schemaName, $columnName)
    {
        return $this->dialect->dropColumn($tableName, $schemaName, $columnName);
    }
public function dropColumn($tableName, $schemaName, $columnName)
    {
        return $this->dialect->dropColumn($tableName, $schemaName, $columnName);
    }
public function dropColumn ( $ tableName , $ schemaName , $ columnName ) { return $ this -> dialect -> dropColumn ( $ tableName , $ schemaName , $ columnName ) ; }
Generates SQL to delete a column from a table

@param string $tableName
@param string $schemaName
@param string $columnName

@return string
Generates SQL to delete a column from a table