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From "Philip Thompson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8421) Cassandra 2.1.1 UDT not returning value for LIST type as UDT
Date Sun, 07 Dec 2014 16:12:12 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14237189#comment-14237189
] 

Philip Thompson commented on CASSANDRA-8421:
--------------------------------------------

[~madheswaran] I was able to reproduce your issue on 2.1.2. I have found that if there is
an index on field_values, but not on status_key, your problem reproduces exactly as described.
If there is an index on both field_values and on status_key, the correct data is returned
every time. I am not sure if the index is supposed to be required, so I am reassigning to
someone more familiar with secondary indexes.

> Cassandra 2.1.1 UDT not returning value for LIST type as UDT
> ------------------------------------------------------------
>
>                 Key: CASSANDRA-8421
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8421
>             Project: Cassandra
>          Issue Type: Bug
>          Components: API
>         Environment: single node cassandra 
>            Reporter: madheswaran
>            Assignee: Philip Thompson
>             Fix For: 3.0, 2.1.3
>
>
> I using List and its data type is UDT.
> UDT:
> {code}
> CREATE TYPE
> fieldmap (
>  key text,
>  value text
> );
> {code}
> TABLE:
> {code}
> CREATE TABLE entity (
>   entity_id uuid PRIMARY KEY,
>   begining int,
>   domain text,
>   domain_type text,
>   entity_template_name text,
>   field_values list<fieldmap>,
>   global_entity_type text,
>   revision_time timeuuid,
>   status_key int,
>   status_name text,
>   uuid timeuuid
>   ) {code}
> INDEX:
> {code}
> CREATE INDEX entity_domain_idx_1 ON galaxy_dev.entity (domain);
> CREATE INDEX entity_field_values_idx_1 ON galaxy_dev.entity (field_values);
> CREATE INDEX entity_global_entity_type_idx_1 ON galaxy_dev.entity (gen_type );
> {code}
> QUERY
> {code}
> SELECT * FROM entity WHERE status_key < 3 and field_values contains {key: 'userName',
value: 'Sprint5_200002'} and gen_type = 'USER' and domain = 'S4_1017.abc.com' allow filtering;
> {code}
> The above query return value for some row and not for many rows but those rows and data's
are exist.
> Observation:
> If I execute query with other than field_maps, then it returns value. I suspect the problem
with LIST with UDT.
> I have single node cassadra DB. Please let me know why this strange behavior from cassandra.



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