Examples with DOUBLE com.facebook.presto.common.type.DoubleType.DOUBLE used on opensource projects

Example 1 with DOUBLE

use of com.facebook.presto.common.type.DoubleType.DOUBLE in project presto by prestodb.

the class TestPinotQueryGenerator method testAggWithArrayFunctionsInGroupBy.

@Test
public void testAggWithArrayFunctionsInGroupBy() {
    LinkedHashMap<String, String> aggProjection = new LinkedHashMap<>();
    aggProjection.put("array_max_0", "array_max(scores)");
    PlanNode justMaxScores = buildPlan(planBuilder -> project(planBuilder, tableScan(planBuilder, pinotTable, regionId, secondsSinceEpoch, city, fare, scores), aggProjection, defaultSessionHolder));
    testPinotQuery(planBuilder -> planBuilder.aggregation(aggBuilder -> aggBuilder.source(justMaxScores).singleGroupingSet(new VariableReferenceExpression(Optional.empty(), "array_max_0", DOUBLE)).addAggregation(planBuilder.variable("agg"), getRowExpression("count(*)", defaultSessionHolder))), String.format("SELECT %s FROM realtimeOnly GROUP BY arrayMax(scores) %s 10000", getExpectedAggOutput("count(*)", "arrayMax(scores)"), getGroupByLimitKey()));
    aggProjection.put("city", "city");
    PlanNode newScanWithCity = buildPlan(planBuilder -> project(planBuilder, tableScan(planBuilder, pinotTable, regionId, secondsSinceEpoch, city, fare, scores), aggProjection, defaultSessionHolder));
    testPinotQuery(planBuilder -> planBuilder.aggregation(aggBuilder -> aggBuilder.source(newScanWithCity).singleGroupingSet(new VariableReferenceExpression(Optional.empty(), "array_max_0", DOUBLE), variable("city")).addAggregation(planBuilder.variable("agg"), getRowExpression("count(*)", defaultSessionHolder))), String.format("SELECT %s FROM realtimeOnly GROUP BY arrayMax(scores), city %s 10000", getExpectedAggOutput("count(*)", "arrayMax(scores), city"), getGroupByLimitKey()));
}

Example 2 with DOUBLE

use of com.facebook.presto.common.type.DoubleType.DOUBLE in project presto by prestodb.

the class TestSignatureBinder method testFunction.

@Test
public void testFunction() {
    Signature simple = functionSignature().returnType(parseTypeSignature("boolean")).argumentTypes(parseTypeSignature("function(integer,integer)")).build();
    assertThat(simple).boundTo("integer").fails();
    assertThat(simple).boundTo("function(integer,integer)").succeeds();
    // TODO: Support coercion of return type of lambda
    assertThat(simple).boundTo("function(integer,smallint)").withCoercion().fails();
    assertThat(simple).boundTo("function(integer,bigint)").withCoercion().fails();
    Signature applyTwice = functionSignature().returnType(parseTypeSignature("V")).argumentTypes(parseTypeSignature("T"), parseTypeSignature("function(T,U)"), parseTypeSignature("function(U,V)")).typeVariableConstraints(typeVariable("T"), typeVariable("U"), typeVariable("V")).build();
    assertThat(applyTwice).boundTo("integer", "integer", "integer").fails();
    assertThat(applyTwice).boundTo("integer", "function(integer,varchar)", "function(varchar,double)").produces(BoundVariables.builder().setTypeVariable("T", INTEGER).setTypeVariable("U", VARCHAR).setTypeVariable("V", DOUBLE).build());
    assertThat(applyTwice).boundTo("integer", new TypeSignatureProvider(functionArgumentTypes -> TypeSignature.parseTypeSignature("function(integer,varchar)")), new TypeSignatureProvider(functionArgumentTypes -> TypeSignature.parseTypeSignature("function(varchar,double)"))).produces(BoundVariables.builder().setTypeVariable("T", INTEGER).setTypeVariable("U", VARCHAR).setTypeVariable("V", DOUBLE).build());
    assertThat(applyTwice).boundTo(// pass function argument to non-function position of a function
    new TypeSignatureProvider(functionArgumentTypes -> TypeSignature.parseTypeSignature("function(integer,varchar)")), new TypeSignatureProvider(functionArgumentTypes -> TypeSignature.parseTypeSignature("function(integer,varchar)")), new TypeSignatureProvider(functionArgumentTypes -> TypeSignature.parseTypeSignature("function(varchar,double)"))).fails();
    assertThat(applyTwice).boundTo(new TypeSignatureProvider(functionArgumentTypes -> TypeSignature.parseTypeSignature("function(integer,varchar)")), // pass non-function argument to function position of a function
    "integer", new TypeSignatureProvider(functionArgumentTypes -> TypeSignature.parseTypeSignature("function(varchar,double)"))).fails();
    Signature flatMap = functionSignature().returnType(parseTypeSignature("array(T)")).argumentTypes(parseTypeSignature("array(T)"), parseTypeSignature("function(T, array(T))")).typeVariableConstraints(typeVariable("T")).build();
    assertThat(flatMap).boundTo("array(integer)", "function(integer, array(integer))").produces(BoundVariables.builder().setTypeVariable("T", INTEGER).build());
    Signature varargApply = functionSignature().returnType(parseTypeSignature("T")).argumentTypes(parseTypeSignature("T"), parseTypeSignature("function(T, T)")).typeVariableConstraints(typeVariable("T")).setVariableArity(true).build();
    assertThat(varargApply).boundTo("integer", "function(integer, integer)", "function(integer, integer)", "function(integer, integer)").produces(BoundVariables.builder().setTypeVariable("T", INTEGER).build());
    assertThat(varargApply).boundTo("integer", "function(integer, integer)", "function(integer, double)", "function(double, double)").fails();
    Signature loop = functionSignature().returnType(parseTypeSignature("T")).argumentTypes(parseTypeSignature("T"), parseTypeSignature("function(T, T)")).typeVariableConstraints(typeVariable("T")).build();
    assertThat(loop).boundTo("integer", new TypeSignatureProvider(paramTypes -> new FunctionType(paramTypes, BIGINT).getTypeSignature())).fails();
    assertThat(loop).boundTo("integer", new TypeSignatureProvider(paramTypes -> new FunctionType(paramTypes, BIGINT).getTypeSignature())).withCoercion().produces(BoundVariables.builder().setTypeVariable("T", BIGINT).build());
    // TODO: Support coercion of return type of lambda
    assertThat(loop).withCoercion().boundTo("integer", new TypeSignatureProvider(paramTypes -> new FunctionType(paramTypes, SMALLINT).getTypeSignature())).fails();
    // TODO: Support coercion of return type of lambda
    // Without coercion support for return type of lambda, the return type of lambda must be `varchar(x)` to avoid need for coercions.
    Signature varcharApply = functionSignature().returnType(parseTypeSignature("varchar")).argumentTypes(parseTypeSignature("varchar"), parseTypeSignature("function(varchar, varchar(x))", ImmutableSet.of("x"))).build();
    assertThat(varcharApply).withCoercion().boundTo("varchar(10)", new TypeSignatureProvider(paramTypes -> new FunctionType(paramTypes, createVarcharType(1)).getTypeSignature())).succeeds();
    Signature sortByKey = functionSignature().returnType(parseTypeSignature("array(T)")).argumentTypes(parseTypeSignature("array(T)"), parseTypeSignature("function(T,E)")).typeVariableConstraints(typeVariable("T"), orderableTypeParameter("E")).build();
    assertThat(sortByKey).boundTo("array(integer)", new TypeSignatureProvider(paramTypes -> new FunctionType(paramTypes, VARCHAR).getTypeSignature())).produces(BoundVariables.builder().setTypeVariable("T", INTEGER).setTypeVariable("E", VARCHAR).build());
}

Example 3 with DOUBLE

use of com.facebook.presto.common.type.DoubleType.DOUBLE in project presto by prestodb.

the class MongoSession method guessFieldType.

private Optional<TypeSignature> guessFieldType(Object value) {
    if (value == null) {
        return Optional.empty();
    }
    TypeSignature typeSignature = null;
    if (value instanceof String) {
        typeSignature = createUnboundedVarcharType().getTypeSignature();
    } else if (value instanceof Integer || value instanceof Long) {
        typeSignature = BIGINT.getTypeSignature();
    } else if (value instanceof Boolean) {
        typeSignature = BOOLEAN.getTypeSignature();
    } else if (value instanceof Float || value instanceof Double) {
        typeSignature = DOUBLE.getTypeSignature();
    } else if (value instanceof Date) {
        typeSignature = TIMESTAMP.getTypeSignature();
    } else if (value instanceof ObjectId) {
        typeSignature = OBJECT_ID.getTypeSignature();
    } else if (value instanceof List) {
        List<Optional<TypeSignature>> subTypes = ((List<?>) value).stream().map(this::guessFieldType).collect(toList());
        if (subTypes.isEmpty() || subTypes.stream().anyMatch(t -> !t.isPresent())) {
            return Optional.empty();
        }
        Set<TypeSignature> signatures = subTypes.stream().map(Optional::get).collect(toSet());
        if (signatures.size() == 1) {
            typeSignature = new TypeSignature(StandardTypes.ARRAY, signatures.stream().map(TypeSignatureParameter::of).collect(Collectors.toList()));
        } else {
            // TODO: presto cli doesn't handle empty field name row type yet
            typeSignature = new TypeSignature(StandardTypes.ROW, IntStream.range(0, subTypes.size()).mapToObj(idx -> TypeSignatureParameter.of(new NamedTypeSignature(Optional.of(new RowFieldName(String.format("%s%d", implicitPrefix, idx + 1), false)), subTypes.get(idx).get()))).collect(toList()));
        }
    } else if (value instanceof Document) {
        List<TypeSignatureParameter> parameters = new ArrayList<>();
        for (String key : ((Document) value).keySet()) {
            Optional<TypeSignature> fieldType = guessFieldType(((Document) value).get(key));
            if (!fieldType.isPresent()) {
                return Optional.empty();
            }
            parameters.add(TypeSignatureParameter.of(new NamedTypeSignature(Optional.of(new RowFieldName(key, false)), fieldType.get())));
        }
        typeSignature = new TypeSignature(StandardTypes.ROW, parameters);
    }
    return Optional.ofNullable(typeSignature);
}

Example 4 with DOUBLE

use of com.facebook.presto.common.type.DoubleType.DOUBLE in project presto by prestodb.

the class TestCassandraIntegrationSmokeTest method assertSelect.

private void assertSelect(String tableName, boolean createdByPresto) {
    Type uuidType = createdByPresto ? createUnboundedVarcharType() : createVarcharType(36);
    Type inetType = createdByPresto ? createUnboundedVarcharType() : createVarcharType(45);
    String sql = "SELECT " + " key, " + " typeuuid, " + " typeinteger, " + " typelong, " + " typebytes, " + " typetimestamp, " + " typeansi, " + " typeboolean, " + " typedecimal, " + " typedouble, " + " typefloat, " + " typeinet, " + " typevarchar, " + " typevarint, " + " typetimeuuid, " + " typelist, " + " typemap, " + " typeset " + " FROM " + tableName;
    MaterializedResult result = execute(sql);
    int rowCount = result.getRowCount();
    assertEquals(rowCount, 9);
    assertEquals(result.getTypes(), ImmutableList.of(createUnboundedVarcharType(), uuidType, INTEGER, BIGINT, VARBINARY, TIMESTAMP, createUnboundedVarcharType(), BOOLEAN, DOUBLE, DOUBLE, REAL, inetType, createUnboundedVarcharType(), createUnboundedVarcharType(), uuidType, createUnboundedVarcharType(), createUnboundedVarcharType(), createUnboundedVarcharType()));
    List<MaterializedRow> sortedRows = result.getMaterializedRows().stream().sorted((o1, o2) -> o1.getField(1).toString().compareTo(o2.getField(1).toString())).collect(toList());
    for (int rowNumber = 1; rowNumber <= rowCount; rowNumber++) {
        assertEquals(sortedRows.get(rowNumber - 1), new MaterializedRow(DEFAULT_PRECISION, "key " + rowNumber, String.format("00000000-0000-0000-0000-%012d", rowNumber), rowNumber, rowNumber + 1000L, ByteBuffer.wrap(toByteArray(rowNumber)), TIMESTAMP_LOCAL, "ansi " + rowNumber, rowNumber % 2 == 0, Math.pow(2, rowNumber), Math.pow(4, rowNumber), (float) Math.pow(8, rowNumber), "127.0.0.1", "varchar " + rowNumber, BigInteger.TEN.pow(rowNumber).toString(), String.format("d2177dd0-eaa2-11de-a572-001b779c76e%d", rowNumber), String.format("[\"list-value-1%1$d\",\"list-value-2%1$d\"]", rowNumber), String.format("{%d:%d,%d:%d}", rowNumber, rowNumber + 1L, rowNumber + 2, rowNumber + 3L), "[false,true]"));
    }
}

Example 5 with DOUBLE

use of com.facebook.presto.common.type.DoubleType.DOUBLE in project presto by prestodb.

the class MetastoreHiveStatisticsProvider method calculateRangeForPartitioningKey.

@VisibleForTesting
static Optional<DoubleRange> calculateRangeForPartitioningKey(HiveColumnHandle column, Type type, List<HivePartition> partitions) {
    if (!isRangeSupported(type)) {
        return Optional.empty();
    }
    List<Double> values = partitions.stream().map(HivePartition::getKeys).map(keys -> keys.get(column)).filter(value -> !value.isNull()).map(NullableValue::getValue).map(value -> convertPartitionValueToDouble(type, value)).collect(toImmutableList());
    if (values.isEmpty()) {
        return Optional.empty();
    }
    double min = values.get(0);
    double max = values.get(0);
    for (Double value : values) {
        if (value > max) {
            max = value;
        }
        if (value < min) {
            min = value;
        }
    }
    return Optional.of(new DoubleRange(min, max));
}