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https://issues.apache.org/jira/browse/CASSANDRA-10532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15325217#comment-15325217
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Carl Yeksigian commented on CASSANDRA-10532:
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These changes look good.
> 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: 2.1.x, 2.2.x, 3.0.x, 3.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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