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From "Tyler Hobbs (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8178) Column names are not converted correctly for non-text comparators
Date Tue, 04 Nov 2014 23:28:35 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14197116#comment-14197116
] 

Tyler Hobbs commented on CASSANDRA-8178:
----------------------------------------

Thanks, committed.

> Column names are not converted correctly for non-text comparators
> -----------------------------------------------------------------
>
>                 Key: CASSANDRA-8178
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8178
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Tyler Hobbs
>            Assignee: Tyler Hobbs
>             Fix For: 2.0.12, 2.1.2
>
>         Attachments: 8178-2.0.txt
>
>
> If a column family is created with a non-text comparator through Thrift (or cassandra-cli)
and column metadata is defined, those column names cannot be queried through cql3.
> For example:
> {noformat}
> [default@ks1] create column family entity_data
> ...   with column_type = 'Standard'
> ...   and comparator = 'BytesType'
> ...   and default_validation_class = 'BytesType'
> ...   and key_validation_class = 'UTF8Type'
> ...   and column_metadata = [
> ...     {column_name : '0008',
> ...     validation_class : UTF8Type,
> ...     index_name : 'entity_data_0008_idx',
> ...     index_type : 0}];
> {noformat}
> When you attempt to query that column through cqlsh, you'll get an error like this:
> {noformat}
> cqlsh:ks1> select "0008" FROM entity_data ;
> Bad Request: Undefined name 0008 in selection clause
> {noformat}
> The problem is that we aren't taking the comparator type into account when converting
column names in cql3 statements to their internal (ByteBuffer) representation.



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