Examples of com.facebook.presto.util.MaterializedResult$Builder

com.facebook.presto.util.MaterializedResult

                ImmutableList.of(VARCHAR),
                Ints.asList(0));
        Operator joinOperator = joinOperatorFactory.createOperator(taskContext.addPipelineContext(true, true).addDriverContext());


        // expected
        MaterializedResult expected = MaterializedResult.resultBuilder(taskContext.getSession(), VARCHAR, VARCHAR)
                .row("a", "a")
                .row("a", "a")
                .row("b", "b")
                .row(null, null)
                .row("c", null)

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    @Test
    public void testNonDeterministicJoinPredicatePushdown()
            throws Exception
    {
        MaterializedResult materializedResult = computeActual("" +
                "SELECT COUNT(*)\n" +
                "FROM (\n" +
                "  SELECT DISTINCT *\n" +
                "  FROM (\n" +
                "    SELECT 'abc' as col1a, 500 as col1b FROM lineitem limit 1\n" +
                "  ) table1\n" +
                "  JOIN (\n" +
                "    SELECT 'abc' as col2a FROM lineitem limit 1000000\n" +
                "  ) table2\n" +
                "  ON table1.col1a = table2.col2a\n" +
                "  WHERE rand() * 1000 > table1.col1b\n" +
                ")");
        MaterializedRow row = Iterables.getOnlyElement(materializedResult.getMaterializedRows());
        assertEquals(row.getFieldCount(), 1);
        long count = (Long) row.getField(0);
        // Technically non-deterministic unit test but has essentially a next to impossible chance of a false positive
        assertTrue(count > 0 && count < 1000000);
    }

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    @Test
    public void testNonDeterministicTableScanPredicatePushdown()
            throws Exception
    {
        MaterializedResult materializedResult = computeActual("" +
                "SELECT COUNT(*)\n" +
                "FROM (\n" +
                "  SELECT *\n" +
                "  FROM lineitem\n" +
                "  LIMIT 1000\n" +
                ")\n" +
                "WHERE rand() > 0.5");
        MaterializedRow row = Iterables.getOnlyElement(materializedResult.getMaterializedRows());
        assertEquals(row.getFieldCount(), 1);
        long count = (Long) row.getField(0);
        // Technically non-deterministic unit test but has essentially a next to impossible chance of a false positive
        assertTrue(count > 0 && count < 1000);
    }

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    @Test
    public void testNonDeterministicAggregationPredicatePushdown()
            throws Exception
    {
        MaterializedResult materializedResult = computeActual("" +
                "SELECT COUNT(*)\n" +
                "FROM (\n" +
                "  SELECT orderkey, COUNT(*)\n" +
                "  FROM lineitem\n" +
                "  GROUP BY orderkey\n" +
                "  LIMIT 1000\n" +
                ")\n" +
                "WHERE rand() > 0.5");
        MaterializedRow row = Iterables.getOnlyElement(materializedResult.getMaterializedRows());
        assertEquals(row.getFieldCount(), 1);
        long count = (Long) row.getField(0);
        // Technically non-deterministic unit test but has essentially a next to impossible chance of a false positive
        assertTrue(count > 0 && count < 1000);
    }

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    @Test
    public void testTableSampleBernoulliBoundaryValues()
            throws Exception
    {
        MaterializedResult fullSample = computeActual("SELECT orderkey FROM orders TABLESAMPLE BERNOULLI (100)");
        MaterializedResult emptySample = computeActual("SELECT orderkey FROM orders TABLESAMPLE BERNOULLI (0)");
        MaterializedResult all = computeExpected("SELECT orderkey FROM orders", fullSample.getTypes());


        assertTrue(all.getMaterializedRows().containsAll(fullSample.getMaterializedRows()));
        assertEquals(emptySample.getMaterializedRows().size(), 0);
    }

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    @Test
    public void testApproxSetBigint()
            throws Exception
    {
        MaterializedResult actual = computeActual("SELECT cardinality(approx_set(custkey)) FROM orders");


        MaterializedResult expected = resultBuilder(getSession(), BIGINT)
                .row(999)
                .build();


        assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows());
    }

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    @Test
    public void testApproxSetVarchar()
            throws Exception
    {
        MaterializedResult actual = computeActual("SELECT cardinality(approx_set(CAST(custkey AS VARCHAR))) FROM orders");


        MaterializedResult expected = resultBuilder(getSession(), BIGINT)
                .row(1006)
                .build();


        assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows());
    }

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    @Test
    public void testApproxSetDouble()
            throws Exception
    {
        MaterializedResult actual = computeActual("SELECT cardinality(approx_set(CAST(custkey AS DOUBLE))) FROM orders");


        MaterializedResult expected = resultBuilder(getSession(), BIGINT)
                .row(1014)
                .build();


        assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows());
    }

View Full Code Here


    @Test
    public void testApproxSetBigintGroupBy()
            throws Exception
    {
        MaterializedResult actual = computeActual("" +
                "SELECT orderstatus, cardinality(approx_set(custkey)) " +
                "FROM orders " +
                "GROUP BY orderstatus");


        MaterializedResult expected = resultBuilder(getSession(), actual.getTypes())
                .row("O", 997)
                .row("F", 995)
                .row("P", 304)
                .build();


        assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows());
    }

View Full Code Here


    @Test
    public void testApproxSetVarcharGroupBy()
            throws Exception
    {
        MaterializedResult actual = computeActual("" +
                "SELECT orderstatus, cardinality(approx_set(CAST(custkey AS VARCHAR))) " +
                "FROM orders " +
                "GROUP BY orderstatus");


        MaterializedResult expected = resultBuilder(getSession(), actual.getTypes())
                .row("O", 1004)
                .row("F", 1002)
                .row("P", 305)
                .build();


        assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows());
    }

View Full Code Here

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