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From "Robert Stupp (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (CASSANDRA-11064) Failed aggregate creation breaks server permanently
Date Mon, 25 Jan 2016 14:07:39 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-11064?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Stupp reassigned CASSANDRA-11064:
----------------------------------------

    Assignee: Robert Stupp

> Failed aggregate creation breaks server permanently
> ---------------------------------------------------
>
>                 Key: CASSANDRA-11064
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11064
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Olivier Michallat
>            Assignee: Robert Stupp
>
> While testing edge cases around aggregates, I tried the following to see if custom types
were supported:
> {code}
> ccm create v321 -v3.2.1 -n3
> ccm updateconf enable_user_defined_functions:true
> ccm start
> ccm node1 cqlsh
> CREATE FUNCTION id(i 'DynamicCompositeType(s => UTF8Type, i => Int32Type)')
> RETURNS NULL ON NULL INPUT
> RETURNS 'DynamicCompositeType(s => UTF8Type, i => Int32Type)'
> LANGUAGE java
> AS 'return i;';
> // function created successfully
> CREATE AGGREGATE ag()
> SFUNC id
> STYPE 'DynamicCompositeType(s => UTF8Type, i => Int32Type)'
> INITCOND 's@foo:i@32';
> ServerError: <ErrorMessage code=0000 [Server error] message="java.lang.RuntimeException:
java.util.concurrent.ExecutionException: org.apache.cassandra.exceptions.SyntaxException:
Failed parsing CQL term: [s@foo:i@32] reason: SyntaxException line 1:1 no viable alternative
at character '@'">{code}
> Despite the error, the aggregate appears in system tables:
> {code}
> select * from system_schema.aggregates;
>  keyspace_name | aggregate_name | ...
> ---------------+----------------+ ...
>           test |             ag | ...
> {code}
> But you can't drop it, and trying to drop its function produces the server error again:
> {code}
> DROP AGGREGATE ag;
> InvalidRequest: code=2200 [Invalid query] message="Cannot drop non existing aggregate
'test.ag'"
> DROP FUNCTION id;
> ServerError: <ErrorMessage code=0000 [Server error] message="java.lang.RuntimeException:
java.util.concurrent.ExecutionException: org.apache.cassandra.exceptions.SyntaxException:
Failed parsing CQL term: [s@foo:i@32] reason: SyntaxException line 1:1 no viable alternative
at character '@'">
> {code}
> What's worse, it's now impossible to restart the server:
> {code}
> ccm stop; ccm start
> org.apache.cassandra.exceptions.SyntaxException: Failed parsing CQL term: [s@foo:i@32]
reason: SyntaxException line 1:1 no viable alternative at character '@'
> 	at org.apache.cassandra.cql3.CQLFragmentParser.parseAny(CQLFragmentParser.java:48)
> 	at org.apache.cassandra.cql3.Terms.asBytes(Terms.java:51)
> 	at org.apache.cassandra.schema.SchemaKeyspace.createUDAFromRow(SchemaKeyspace.java:1225)
> 	at org.apache.cassandra.schema.SchemaKeyspace.fetchUDAs(SchemaKeyspace.java:1204)
> 	at org.apache.cassandra.schema.SchemaKeyspace.fetchFunctions(SchemaKeyspace.java:1129)
> 	at org.apache.cassandra.schema.SchemaKeyspace.fetchKeyspace(SchemaKeyspace.java:897)
> 	at org.apache.cassandra.schema.SchemaKeyspace.fetchKeyspacesWithout(SchemaKeyspace.java:872)
> 	at org.apache.cassandra.schema.SchemaKeyspace.fetchNonSystemKeyspaces(SchemaKeyspace.java:860)
> 	at org.apache.cassandra.config.Schema.loadFromDisk(Schema.java:125)
> 	at org.apache.cassandra.config.Schema.loadFromDisk(Schema.java:115)
> 	at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:229)
> 	at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:551)
> 	at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:680)
> {code}



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