Examples with GroupMaker org.apache.cassandra.db.aggregation.GroupMaker used on opensource projects

Example 1 with GroupMaker

use of org.apache.cassandra.db.aggregation.GroupMaker in project cassandra by apache.

the class SelectStatement method process.

private ResultSet process(PartitionIterator partitions, QueryOptions options, Selectors selectors, int nowInSec, int userLimit) throws InvalidRequestException {
    GroupMaker groupMaker = aggregationSpec == null ? null : aggregationSpec.newGroupMaker();
    ResultSetBuilder result = new ResultSetBuilder(getResultMetadata(), selectors, groupMaker);
    while (partitions.hasNext()) {
        try (RowIterator partition = partitions.next()) {
            processPartition(partition, options, result, nowInSec);
        }
    }
    ResultSet cqlRows = result.build();
    maybeWarn(result, options);
    orderResults(cqlRows);
    cqlRows.trim(userLimit);
    return cqlRows;
}