Examples with SMALLINT com.facebook.presto.common.type.SmallintType.SMALLINT used on opensource projects

Example 1 with SMALLINT

use of com.facebook.presto.common.type.SmallintType.SMALLINT 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 2 with SMALLINT

use of com.facebook.presto.common.type.SmallintType.SMALLINT in project presto by prestodb.

the class TupleDomainParquetPredicate method getDomain.

/**
 * Get a domain for the ranges defined by each pair of elements from {@code minimums} and {@code maximums}.
 * Both arrays must have the same length.
 */
private static Domain getDomain(ColumnDescriptor column, Type type, List<Object> minimums, List<Object> maximums, boolean hasNullValue) {
    checkArgument(minimums.size() == maximums.size(), "Expected minimums and maximums to have the same size");
    List<Range> ranges = new ArrayList<>();
    if (type.equals(BOOLEAN)) {
        boolean hasTrueValues = minimums.stream().anyMatch(value -> (boolean) value) || maximums.stream().anyMatch(value -> (boolean) value);
        boolean hasFalseValues = minimums.stream().anyMatch(value -> !(boolean) value) || maximums.stream().anyMatch(value -> !(boolean) value);
        if (hasTrueValues && hasFalseValues) {
            return Domain.all(type);
        }
        if (hasTrueValues) {
            return Domain.create(ValueSet.of(type, true), hasNullValue);
        }
        if (hasFalseValues) {
            return Domain.create(ValueSet.of(type, false), hasNullValue);
        }
        // All nulls case is handled earlier
        throw new VerifyException("Impossible boolean statistics");
    }
    if ((type.equals(BIGINT) || type.equals(TINYINT) || type.equals(SMALLINT) || type.equals(INTEGER))) {
        for (int i = 0; i < minimums.size(); i++) {
            long min = asLong(minimums.get(i));
            long max = asLong(maximums.get(i));
            if (isStatisticsOverflow(type, min, max)) {
                return Domain.create(ValueSet.all(type), hasNullValue);
            }
            ranges.add(Range.range(type, min, true, max, true));
        }
        checkArgument(!ranges.isEmpty(), "cannot use empty ranges");
        return Domain.create(ValueSet.ofRanges(ranges), hasNullValue);
    }
    if (type.equals(REAL)) {
        for (int i = 0; i < minimums.size(); i++) {
            Float min = (Float) minimums.get(i);
            Float max = (Float) maximums.get(i);
            if (min.isNaN() || max.isNaN()) {
                return Domain.create(ValueSet.all(type), hasNullValue);
            }
            ranges.add(Range.range(type, (long) floatToRawIntBits(min), true, (long) floatToRawIntBits(max), true));
        }
        checkArgument(!ranges.isEmpty(), "cannot use empty ranges");
        return Domain.create(ValueSet.ofRanges(ranges), hasNullValue);
    }
    if (type.equals(DOUBLE)) {
        for (int i = 0; i < minimums.size(); i++) {
            Double min = (Double) minimums.get(i);
            Double max = (Double) maximums.get(i);
            if (min.isNaN() || max.isNaN()) {
                return Domain.create(ValueSet.all(type), hasNullValue);
            }
            ranges.add(Range.range(type, min, true, max, true));
        }
        checkArgument(!ranges.isEmpty(), "cannot use empty ranges");
        return Domain.create(ValueSet.ofRanges(ranges), hasNullValue);
    }
    if (isVarcharType(type)) {
        for (int i = 0; i < minimums.size(); i++) {
            Slice min = Slices.wrappedBuffer(((Binary) minimums.get(i)).toByteBuffer());
            Slice max = Slices.wrappedBuffer(((Binary) maximums.get(i)).toByteBuffer());
            ranges.add(Range.range(type, min, true, max, true));
        }
        checkArgument(!ranges.isEmpty(), "cannot use empty ranges");
        return Domain.create(ValueSet.ofRanges(ranges), hasNullValue);
    }
    if (type.equals(DATE)) {
        for (int i = 0; i < minimums.size(); i++) {
            long min = asLong(minimums.get(i));
            long max = asLong(maximums.get(i));
            if (isStatisticsOverflow(type, min, max)) {
                return Domain.create(ValueSet.all(type), hasNullValue);
            }
            ranges.add(Range.range(type, min, true, max, true));
        }
        checkArgument(!ranges.isEmpty(), "cannot use empty ranges");
        return Domain.create(ValueSet.ofRanges(ranges), hasNullValue);
    }
    return Domain.create(ValueSet.all(type), hasNullValue);
}

Example 3 with SMALLINT

use of com.facebook.presto.common.type.SmallintType.SMALLINT in project presto by prestodb.

the class RcFileTester method preprocessWriteValueOld.

private static Object preprocessWriteValueOld(Type type, Object value) {
    if (value == null) {
        return null;
    }
    if (type.equals(BOOLEAN)) {
        return value;
    } else if (type.equals(TINYINT)) {
        return ((Number) value).byteValue();
    } else if (type.equals(SMALLINT)) {
        return ((Number) value).shortValue();
    } else if (type.equals(INTEGER)) {
        return ((Number) value).intValue();
    } else if (type.equals(BIGINT)) {
        return ((Number) value).longValue();
    } else if (type.equals(REAL)) {
        return ((Number) value).floatValue();
    } else if (type.equals(DOUBLE)) {
        return ((Number) value).doubleValue();
    } else if (type instanceof VarcharType) {
        return value;
    } else if (type.equals(VARBINARY)) {
        return ((SqlVarbinary) value).getBytes();
    } else if (type.equals(DATE)) {
        int days = ((SqlDate) value).getDays();
        LocalDate localDate = LocalDate.ofEpochDay(days);
        ZonedDateTime zonedDateTime = localDate.atStartOfDay(ZoneId.systemDefault());
        long millis = zonedDateTime.toEpochSecond() * 1000;
        Date date = new Date(0);
        // mills must be set separately to avoid masking
        date.setTime(millis);
        return date;
    } else if (type.equals(TIMESTAMP)) {
        long millisUtc = (int) ((SqlTimestamp) value).getMillisUtc();
        return new Timestamp(millisUtc);
    } else if (type instanceof DecimalType) {
        return HiveDecimal.create(((SqlDecimal) value).toBigDecimal());
    } else if (type.getTypeSignature().getBase().equals(ARRAY)) {
        Type elementType = type.getTypeParameters().get(0);
        return ((List<?>) value).stream().map(element -> preprocessWriteValueOld(elementType, element)).collect(toList());
    } else if (type.getTypeSignature().getBase().equals(MAP)) {
        Type keyType = type.getTypeParameters().get(0);
        Type valueType = type.getTypeParameters().get(1);
        Map<Object, Object> newMap = new HashMap<>();
        for (Entry<?, ?> entry : ((Map<?, ?>) value).entrySet()) {
            newMap.put(preprocessWriteValueOld(keyType, entry.getKey()), preprocessWriteValueOld(valueType, entry.getValue()));
        }
        return newMap;
    } else if (type.getTypeSignature().getBase().equals(ROW)) {
        List<?> fieldValues = (List<?>) value;
        List<Type> fieldTypes = type.getTypeParameters();
        List<Object> newStruct = new ArrayList<>();
        for (int fieldId = 0; fieldId < fieldValues.size(); fieldId++) {
            newStruct.add(preprocessWriteValueOld(fieldTypes.get(fieldId), fieldValues.get(fieldId)));
        }
        return newStruct;
    }
    throw new IllegalArgumentException("unsupported type: " + type);
}