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Sample Code:

QtCassandra::QCassandraRowPredicate row_predicate;

QtCassandra::QCassandraColumnRangePredicate column_predicate;

The Cassandra system allows you to read an array of rows or columns. This is done by a special query command sent to the database system.

The libQtCassandra library offers predicate classes giving you the ability to read a set of rows or columns all at once (see example above.) In general, reading more at once is better because it gives you a faster transfer rate to get one large block ...

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