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https://issues.apache.org/jira/browse/CASSANDRA-4693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13537022#comment-13537022
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Michaël Figuière commented on CASSANDRA-4693:
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Considering the key role of Batches in CQL3, it would actually be very
interesting to allow clients to send a list of both prepared and un-prepared
statements to be executed with the same semantic and guarantees of a BATCH
command. This would allow applications developers / frameworks to prepare most
of their queries and include an additional one that is generated at runtime. An
example of a use case that would leverage such is feature is when a bunch of
columns need to be saved along with a set of complex collection mutations.
> CQL Protocol should allow multiple PreparedStatements to be atomically
> executed
> -------------------------------------------------------------------------------
>
> Key: CASSANDRA-4693
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4693
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Michaël Figuière
> Labels: cql, protocol
>
> Currently the only way to insert multiple records on the same partition key,
> atomically and using PreparedStatements is to use a CQL BATCH command.
> Unfortunately when doing so the amount of records to be inserted must be
> known prior to prepare the statement which is rarely the case. Thus the only
> workaround if one want to keep atomicity is currently to use unprepared
> statements which send a bulk of CQL strings and is fairly inefficient.
> Therefore CQL Protocol should allow clients to send multiple
> PreparedStatements to be executed with similar guarantees and semantic as CQL
> BATCH command.
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