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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5614) W/O specified columns ASPCSI does not get notified of deletes
Date Fri, 12 Jul 2013 21:45:50 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13707412#comment-13707412
] 

Jonathan Ellis commented on CASSANDRA-5614:
-------------------------------------------

I don't see how this is different from "pretend the user had deleted the indexed columns by
name" as far as read-before-write goes.

                
> W/O specified columns ASPCSI does not get notified of deletes
> -------------------------------------------------------------
>
>                 Key: CASSANDRA-5614
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5614
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.2.0
>            Reporter: Benjamin Coverston
>            Assignee: Sam Tunnicliffe
>            Priority: Minor
>             Fix For: 1.2.7
>
>
> I'm working on a secondary index implementation based on the composite index type.
> AbstractSimplePerColumnSecondaryIndex.java#delete is not called when CQL delete statements
do not specify columns.
> When I specify columns it is called. Pretty sure this is a bug.
> Setup:
> {code}
> cqlsh> create KEYSPACE foo WITH replication = {'class': 'SimpleStrategy' , 'replication_factor':
1};
> cqlsh> use foo;
> cqlsh:foo> CREATE TABLE albums (artist text, album text, rating int, release int,
PRIMARY KEY (artist, album));
> cqlsh:foo> CREATE INDEX ON albums (rating);
> {code}
> {code}
> cqlsh:foo> insert into albums (artist, album, rating, release) VALUES ('artist', 'album',
1, 2);
> {code}
> Does not get called here:
> {code}
> cqlsh:foo> DELETE FROM albums where artist='artist' and album='album';
> {code}
> {code}
> cqlsh:foo> insert into albums (artist, album, rating, release) VALUES ('artist', 'album',
1, 2);
> {code}
> gets called here:
> {code}
> cqlsh:foo> DELETE rating FROM albums where artist='artist' and album='album';
> {code}

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