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Posted to commits@cassandra.apache.org by "Benjamin Lerer (JIRA)" <ji...@apache.org> on 2015/11/24 09:29:11 UTC
[jira] [Updated] (CASSANDRA-10532) Allow LWT operation on static
column with only partition keys
[ https://issues.apache.org/jira/browse/CASSANDRA-10532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Benjamin Lerer updated CASSANDRA-10532:
---------------------------------------
Reviewer: Benjamin Lerer
> Allow LWT operation on static column with only partition keys
> -------------------------------------------------------------
>
> Key: CASSANDRA-10532
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10532
> Project: Cassandra
> Issue Type: Improvement
> Components: CQL
> Environment: C* 2.2.0
> Reporter: DOAN DuyHai
> Assignee: Carl Yeksigian
> Fix For: 2.2.x
>
>
> Schema
> {code:sql}
> CREATE TABLE IF NOT EXISTS achilles_embedded.entity_with_static_column(
> id bigint,
> uuid uuid,
> static_col text static,
> value text,
> PRIMARY KEY(id, uuid));
> {code}
> When trying to prepare the following query
> {code:sql}
> DELETE static_col FROM achilles_embedded.entity_with_static_column WHERE id=:id_Eq IF static_col=:static_col;
> {code}
> I got the error *DELETE statements must restrict all PRIMARY KEY columns with equality relations in order to use IF conditions, but column 'uuid' is not restricted*
> Since the mutation only impacts the static column and the CAS check is on the static column, it makes sense to provide only partition key
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