Package org.apache.phoenix.expression.aggregator

Examples of org.apache.phoenix.expression.aggregator.FirstLastValueServerAggregator

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        super(childExpressions, delegate);
    }

    @Override
    public Aggregator newServerAggregator(Configuration conf) {
        FirstLastValueServerAggregator aggregator = new FirstLastValueServerAggregator();

        boolean order = (Boolean) ((LiteralExpression) children.get(1)).getValue();
        aggregator.init(children, order, 0);

        return aggregator;
    }
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        super(childExpressions, delegate);
    }

    @Override
    public Aggregator newServerAggregator(Configuration conf) {
        FirstLastValueServerAggregator aggregator = new FirstLastValueServerAggregator();

        //invert order for LAST_BY function cause it is inverted version of FIRST_BY
        boolean order = !(Boolean) ((LiteralExpression) children.get(1)).getValue();
        aggregator.init(children, order, 0);

        return aggregator;
    }
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        super(childExpressions, delegate);
    }

    @Override
    public Aggregator newServerAggregator(Configuration conf) {
        FirstLastValueServerAggregator aggregator = new FirstLastValueServerAggregator();

        offset = ((Number) ((LiteralExpression) children.get(3)).getValue()).intValue();
        boolean order = (Boolean) ((LiteralExpression) children.get(1)).getValue();

        aggregator.init(children, order, offset);

        return aggregator;
    }
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Related Classes of org.apache.phoenix.expression.aggregator.FirstLastValueServerAggregator

  • org.apache.hadoop.hbase.filter.BinaryComparator
  • org.apache.phoenix.expression.function.FirstValueFunction
  • org.apache.phoenix.expression.function.LastValueFunction
  • org.apache.phoenix.expression.function.NthValueFunction
  • org.apache.phoenix.util.FirstLastNthValueDataContainer
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