Examples with SumAggregateFunction org.apache.phoenix.expression.function.SumAggregateFunction used on opensource projects

Example 1 with SumAggregateFunction

use of org.apache.phoenix.expression.function.SumAggregateFunction in project phoenix by apache.

the class TestUtil method getSingleSumAggregator.

public static ClientAggregators getSingleSumAggregator(String url, Properties props) throws SQLException {
    try (PhoenixConnection pconn = DriverManager.getConnection(url, props).unwrap(PhoenixConnection.class)) {
        PhoenixStatement statement = new PhoenixStatement(pconn);
        StatementContext context = new StatementContext(statement, null, new Scan(), new SequenceManager(statement));
        AggregationManager aggregationManager = context.getAggregationManager();
        SumAggregateFunction func = new SumAggregateFunction(Arrays.<Expression>asList(new KeyValueColumnExpression(new PLongColumn() {

            @Override
            public PName getName() {
                return SINGLE_COLUMN_NAME;
            }

            @Override
            public PName getFamilyName() {
                return SINGLE_COLUMN_FAMILY_NAME;
            }

            @Override
            public int getPosition() {
                return 0;
            }

            @Override
            public SortOrder getSortOrder() {
                return SortOrder.getDefault();
            }

            @Override
            public Integer getArraySize() {
                return 0;
            }

            @Override
            public byte[] getViewConstant() {
                return null;
            }

            @Override
            public boolean isViewReferenced() {
                return false;
            }

            @Override
            public String getExpressionStr() {
                return null;
            }

            @Override
            public boolean isRowTimestamp() {
                return false;
            }

            @Override
            public boolean isDynamic() {
                return false;
            }

            @Override
            public byte[] getColumnQualifierBytes() {
                return SINGLE_COLUMN_NAME.getBytes();
            }
        })), null);
        aggregationManager.setAggregators(new ClientAggregators(Collections.<SingleAggregateFunction>singletonList(func), 1));
        ClientAggregators aggregators = aggregationManager.getAggregators();
        return aggregators;
    }
}