AlterQuery  test (children 2)
 ExpressionList (children 1)
  AlterCommand MODIFY_COLUMN (children 1)
   ColumnDeclaration tt (children 1)
    DataType Tuple (children 1)
     ExpressionList (children 3)
      NameTypePair a (children 1)
       DataType UInt32
      NameTypePair b (children 1)
       DataType Array (children 1)
        ExpressionList (children 1)
         DataType String
      NameTypePair c (children 1)
       DataType UInt32
 Identifier test
