Package com.salesforce.phoenix.expression.aggregator

Examples of com.salesforce.phoenix.expression.aggregator.LongSumAggregator

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    @Override
    public LongSumAggregator newClientAggregator() {
        // Since COUNT can never be null, ensure the aggregator is not nullable.
        // This allows COUNT(*) to return 0 with the initial state of ClientAggregators
        // when no rows are returned.
        return new LongSumAggregator(null) {
            @Override
            public boolean isNullable() {
                return false;
            }
        };
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        return NAME;
    }

    @Override
    public Aggregator newServerAggregator(Configuration config, ImmutableBytesWritable ptr) {
        LongSumAggregator sumAgg = newClientAggregator();
        sumAgg.aggregate(null, ptr);
        return new CountAggregator(sumAgg);
    }
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Related Classes of com.salesforce.phoenix.expression.aggregator.LongSumAggregator

  • com.salesforce.phoenix.expression.function.CountAggregateFunction
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