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From "Sylvain Lebresne (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8781) SELECT * FROM cf WHERE (id=1) AND (id=1); error
Date Wed, 11 Feb 2015 10:06:12 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14315926#comment-14315926
] 

Sylvain Lebresne commented on CASSANDRA-8781:
---------------------------------------------

I'm not against adding this for the convenience, but for the sake of managing expectations,
I'll note that "allowing the reuse of SQL DBAL" is not a design goal of CQL and as such I'm
mark this as a minor improvement. I'll also note that as a consequence if it turns that this
require non trivial changes (I haven't looked closely), this might not be targeted to 2.1.


> SELECT * FROM cf WHERE (id=1) AND (id=1); error
> -----------------------------------------------
>
>                 Key: CASSANDRA-8781
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8781
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Sergey Nagaytsev
>
> Error: CQLSTATE[HY000] [2] id cannot be restricted by more than one relation if it includes
an Equal
> Actual query is with UUID type, 1's are just for short. The column 'id' is the only primary
key in column family.
> The expression is perfectly logically valid and resolves to one or none record.
> It was generated by framework's DBAL as the result of narrowing down the query. Fixing
it on application side will take deep heavy rewrite of all DB libs in all languages.



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