[jira] [Commented] (CASSANDRA-18585) Alter Type does not validate changes like Create Type does

["David Capwell (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-18585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17731685#comment-17731685 ] 

David Capwell commented on CASSANDRA-18585:
-------------------------------------------

I wonder if we should back port this to 4.0 as well... this is a very annoying bug to keep around...

> Alter Type does not validate changes like Create Type does
> ----------------------------------------------------------
>
>                 Key: CASSANDRA-18585
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-18585
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Cluster/Schema
>            Reporter: David Capwell
>            Priority: Normal
>             Fix For: 5.x
>
>
> Create Type attempts to block undesired field types, but this validation is not cared over to Alter Type Add Field; which allows you to add unexpected/desired types
> {code}
> Assertions.assertThatThrownBy(() -> createType("CREATE TYPE %s (f counter)")).hasRootCauseMessage("A user type cannot contain counters");
> String type = createType(KEYSPACE, "CREATE TYPE %s (a int)");
> schemaChange(String.format("ALTER TYPE %s.%s ADD f counter", KEYSPACE, type));
> UserType udt = Keyspace.open(KEYSPACE).getMetadata().types.get(UTF8Type.instance.decompose(type)).get();
> logger.warn("UDT: {}", udt);
> {code}
> {code}
> UDT: org.apache.cassandra.db.marshal.UserType(cql_test_keyspace,747970655f3031,61:org.apache.cassandra.db.marshal.Int32Type,66:org.apache.cassandra.db.marshal.CounterColumnType)
> {code}



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