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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5892) CqlConfigHelper.setInputWhereClauses() doesnt handle GT (>) comparators
Date Thu, 15 Aug 2013 16:07:47 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13741110#comment-13741110
] 

Jonathan Ellis commented on CASSANDRA-5892:
-------------------------------------------

Sounds good!
                
> CqlConfigHelper.setInputWhereClauses() doesnt handle GT (>) comparators
> -----------------------------------------------------------------------
>
>                 Key: CASSANDRA-5892
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5892
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Hadoop
>            Reporter: Adam Masters
>            Priority: Minor
>             Fix For: 1.2.8
>
>
> When using CqlPagingRecordReader, specifying a custom where clause using CqlConfigHelper.setInputWhereClauses()
throws an exception when a GT (>) comparator is used.
> Exception:
> java.lang.RuntimeException at org.apache.cassandra.hadoop.cql3.CqlPagingRecordReader$RowIterator.executeQuery(CqlPagingRecordReader.java:646)
Caused by: InvalidRequestException(why:Invalid restrictions found on ts) at org.apache.cassandra.thrift.Cassandra$prepare_cql3_query_result.read(Cassandra.java:39567)
> This is due to the paging mechanism inserting a GT comparator on the same composite key
as the custom where clause, resulting in an invalid CQL statement. For example ("ts > '634926385000000000'"
being the custom where clause):
> SELECT * FROM "test_cf"
>     WHERE token("key") = token( ? )  AND "ts" > ?
>     AND ts > '634926385000000000' LIMIT 3 ALLOW FILTERING

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