Examples of com.facebook.presto.util.MaterializedTuple

com.facebook.presto.util.MaterializedTuple
Materialize all values from a Tuple Special handling is added for Double types for approximate comparisons

                "    SELECT 'abc' as col2a FROM lineitem limit 1000000\n" +
                "  ) table2\n" +
                "  ON table1.col1a = table2.col2a\n" +
                "  WHERE rand() * 1000 > table1.col1b\n" +
                ")");
        MaterializedTuple tuple = Iterables.getOnlyElement(materializedResult.getMaterializedTuples());
        Assert.assertEquals(tuple.getFieldCount(), 1);
        long count = (Long) tuple.getField(0);
        // Technically non-deterministic unit test but has essentially a next to impossible chance of a false positive
        Assert.assertTrue(count > 0 && count < 1000000);
    }

View Full Code Here

                "  SELECT *\n" +
                "  FROM lineitem\n" +
                "  LIMIT 1000\n" +
                ")\n" +
                "WHERE rand() > 0.5");
        MaterializedTuple tuple = Iterables.getOnlyElement(materializedResult.getMaterializedTuples());
        Assert.assertEquals(tuple.getFieldCount(), 1);
        long count = (Long) tuple.getField(0);
        // Technically non-deterministic unit test but has essentially a next to impossible chance of a false positive
        Assert.assertTrue(count > 0 && count < 1000);
    }

View Full Code Here

                "  FROM lineitem\n" +
                "  GROUP BY orderkey\n" +
                "  LIMIT 1000\n" +
                ")\n" +
                "WHERE rand() > 0.5");
        MaterializedTuple tuple = Iterables.getOnlyElement(materializedResult.getMaterializedTuples());
        Assert.assertEquals(tuple.getFieldCount(), 1);
        long count = (Long) tuple.getField(0);
        // Technically non-deterministic unit test but has essentially a next to impossible chance of a false positive
        Assert.assertTrue(count > 0 && count < 1000);
    }

View Full Code Here


    @Test void testSpecialFloatingPointValues()
            throws Exception
    {
        MaterializedResult actual = computeActual("SELECT nan(), infinity(), -infinity()");
        MaterializedTuple tuple = Iterables.getOnlyElement(actual.getMaterializedTuples());
        assertEquals(tuple.getField(0), Double.NaN);
        assertEquals(tuple.getField(1), Double.POSITIVE_INFINITY);
        assertEquals(tuple.getField(2), Double.NEGATIVE_INFINITY);
    }

View Full Code Here

                "    SELECT 'abc' as col2a FROM lineitem limit 1000000\n" +
                "  ) table2\n" +
                "  ON table1.col1a = table2.col2a\n" +
                "  WHERE rand() * 1000 > table1.col1b\n" +
                ")");
        MaterializedTuple tuple = Iterables.getOnlyElement(materializedResult.getMaterializedTuples());
        Assert.assertEquals(tuple.getFieldCount(), 1);
        long count = (Long) tuple.getField(0);
        // Technically non-deterministic unit test but has essentially a next to impossible chance of a false positive
        Assert.assertTrue(count > 0 && count < 1000000);
    }

View Full Code Here

                "  SELECT *\n" +
                "  FROM lineitem\n" +
                "  LIMIT 1000\n" +
                ")\n" +
                "WHERE rand() > 0.5");
        MaterializedTuple tuple = Iterables.getOnlyElement(materializedResult.getMaterializedTuples());
        Assert.assertEquals(tuple.getFieldCount(), 1);
        long count = (Long) tuple.getField(0);
        // Technically non-deterministic unit test but has essentially a next to impossible chance of a false positive
        Assert.assertTrue(count > 0 && count < 1000);
    }

View Full Code Here

                "  FROM lineitem\n" +
                "  GROUP BY orderkey\n" +
                "  LIMIT 1000\n" +
                ")\n" +
                "WHERE rand() > 0.5");
        MaterializedTuple tuple = Iterables.getOnlyElement(materializedResult.getMaterializedTuples());
        Assert.assertEquals(tuple.getFieldCount(), 1);
        long count = (Long) tuple.getField(0);
        // Technically non-deterministic unit test but has essentially a next to impossible chance of a false positive
        Assert.assertTrue(count > 0 && count < 1000);
    }

View Full Code Here

                            break;
                        default:
                            throw new AssertionError("unhandled type: " + type);
                    }
                }
                return new MaterializedTuple(MaterializedResult.DEFAULT_PRECISION, row);
            }
        };
    }

View Full Code Here

                            break;
                        default:
                            throw new AssertionError("unhandled type: " + type);
                    }
                }
                return new MaterializedTuple(DEFAULT_PRECISION, row);
            }
        };
    }

View Full Code Here

            throws Exception
    {
        // TODO: support GROUP BY queries
        assertEquals(actual.size(), 1, "approximate query returned more than one row");


        MaterializedTuple actualRow = actual.get(0);
        MaterializedTuple expectedRow = expected.get(0);


        for (int i = 0; i < actualRow.getFieldCount(); i++) {
            String actualField = (String) actualRow.getField(i);
            double actualValue = Double.parseDouble(actualField.split(" ")[0]);
            double error = Double.parseDouble(actualField.split(" ")[2]);
            Object expectedField = expectedRow.getField(i);
            assertTrue(expectedField instanceof String || expectedField instanceof Number);
            double expectedValue;
            if (expectedField instanceof String) {
                expectedValue = Double.parseDouble((String) expectedField);
            }

View Full Code Here

0 1 2 3 4 5

TOP

Related Classes of com.facebook.presto.util.MaterializedTuple

com.facebook.presto.AbstractTestQueries

com.facebook.presto.AbstractTestSampledQueries

com.facebook.presto.server.TestDistributedQueries

java.math.MathContext

java.math.BigDecimal

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.