[jira] [Created] (CASSANDRA-12977) column expire to null can still be retrieved using not null value in where clause

["ruilonghe1988 (JIRA)" <ji...@apache.org>]

ruilonghe1988 created CASSANDRA-12977:
-----------------------------------------

             Summary: column expire to null can still be retrieved using not null value in where clause
                 Key: CASSANDRA-12977
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12977
             Project: Cassandra
          Issue Type: Bug
          Components: CQL
         Environment: cql  5.0.1
cassandra 2.1.5
            Reporter: ruilonghe1988
         Attachments: attatchment.txt

1. first create table:
create table device_share(
device_id text primary key,
share_status text,
share_expire boolean
);
CREATE INDEX expireIndex ON device_share (share_expire);
create index statusIndex ON device_share (share_status);

2.insert a new record:
insert into device_share(device_id,share_status,share_expire) values ('d1','ready',false);


3. update the share_expire value to fase with ttl 20
update device_share using ttl 20 set share_expire = false where device_id = 'd1';

4.after 20 seconds, can retrieve the record with condition where share_expire = false, but the record in the console show the share_expire is null.

cqlsh:test> select * from device_share where device_id ='d1' and share_status='ready' and share_expire = false allow filtering;

 device_id | share_expire | share_status
-----------+--------------+--------------
        d1 |         null |        ready

is this a bug?




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