AlterQuery  test_alter_codec_pk (children 2)
 ExpressionList (children 1)
  AlterCommand MODIFY_COLUMN (children 1)
   ColumnDeclaration id (children 2)
    DataType UInt32
    Function CODEC (children 1)
     ExpressionList (children 2)
      Function Delta
      Function LZ4
 Identifier test_alter_codec_pk
