Pierre Chalamet created CASSANDRA-4210:
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Summary: Support for variadic parameters list for "in clause" in
prepared cql query
Key: CASSANDRA-4210
URL: https://issues.apache.org/jira/browse/CASSANDRA-4210
Project: Cassandra
Issue Type: Improvement
Components: Core
Affects Versions: 1.1.0
Environment: prepared cql queries
Reporter: Pierre Chalamet
Priority: Minor
This query
{code}
select * from Town where key in (?)
{code}
only allows one parameter for '?'.
This means querying for 'Paris' and 'London' can't be executed in one step with
this prepared statement.
Current workarounds are:
* either execute the prepared query 2 times with 'Paris' then 'London'
* or prepare a new query {{select * from Town where key in (?, ?)}} and bind
the 2 parameters
Having a support for variadic parameters list with in clause could improve
performance:
* single hop to get the data
* // fetching server side
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