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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6377) ALLOW FILTERING should allow seq scan filtering
Date Wed, 20 Nov 2013 19:02:36 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13827984#comment-13827984
] 

Aleksey Yeschenko commented on CASSANDRA-6377:
----------------------------------------------

I don't think that spending time on improving ALLOW FILTERING capabilities is the right thing
to do, considering that it's mostly intended for playing with data in cqlsh, and is generally
discouraged. I say notaproblem it and forget.

> ALLOW FILTERING should allow seq scan filtering
> -----------------------------------------------
>
>                 Key: CASSANDRA-6377
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6377
>             Project: Cassandra
>          Issue Type: Bug
>          Components: API
>            Reporter: Jonathan Ellis
>            Assignee: Sylvain Lebresne
>            Priority: Minor
>             Fix For: 1.2.13
>
>
> CREATE TABLE emp_table2 (
>         empID int PRIMARY KEY,
>         firstname text,
>         lastname text,
>         b_mon text,
>         b_day text,
>         b_yr text,
> );
> INSERT INTO emp_table2 (empID,firstname,lastname,b_mon,b_day,b_yr) 
>    VALUES (100,'jane','doe','oct','31','1980');
> INSERT INTO emp_table2 (empID,firstname,lastname,b_mon,b_day,b_yr) 
>    VALUES (101,'john','smith','jan','01','1981');
> INSERT INTO emp_table2 (empID,firstname,lastname,b_mon,b_day,b_yr) 
>    VALUES (102,'mary','jones','apr','15','1982');
> INSERT INTO emp_table2 (empID,firstname,lastname,b_mon,b_day,b_yr) 
>    VALUES (103,'tim','best','oct','25','1982');
>    
> SELECT b_mon,b_day,b_yr,firstname,lastname FROM emp_table2 
>     WHERE b_mon='oct' ALLOW FILTERING;
> Bad Request: No indexed columns present in by-columns clause with Equal operator



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