Examples with RowType io.trino.spi.type.RowType used on opensource projects

Example 16 with RowType

use of io.trino.spi.type.RowType in project trino by trinodb.

the class RelationPlanner method visitValues.

@Override
protected RelationPlan visitValues(Values node, Void context) {
    Scope scope = analysis.getScope(node);
    ImmutableList.Builder<Symbol> outputSymbolsBuilder = ImmutableList.builder();
    for (Field field : scope.getRelationType().getVisibleFields()) {
        Symbol symbol = symbolAllocator.newSymbol(field);
        outputSymbolsBuilder.add(symbol);
    }
    List<Symbol> outputSymbols = outputSymbolsBuilder.build();
    TranslationMap translationMap = new TranslationMap(outerContext, analysis.getScope(node), analysis, lambdaDeclarationToSymbolMap, outputSymbols);
    ImmutableList.Builder<Expression> rows = ImmutableList.builder();
    for (Expression row : node.getRows()) {
        if (row instanceof Row) {
            rows.add(new Row(((Row) row).getItems().stream().map(item -> coerceIfNecessary(analysis, item, translationMap.rewrite(item))).collect(toImmutableList())));
        } else if (analysis.getType(row) instanceof RowType) {
            rows.add(coerceIfNecessary(analysis, row, translationMap.rewrite(row)));
        } else {
            rows.add(new Row(ImmutableList.of(coerceIfNecessary(analysis, row, translationMap.rewrite(row)))));
        }
    }
    ValuesNode valuesNode = new ValuesNode(idAllocator.getNextId(), outputSymbols, rows.build());
    return new RelationPlan(valuesNode, scope, outputSymbols, outerContext);
}

Example 17 with RowType

use of io.trino.spi.type.RowType in project trino by trinodb.

the class ParquetTester method writeValue.

private static void writeValue(Type type, BlockBuilder blockBuilder, Object value) {
    if (value == null) {
        blockBuilder.appendNull();
    } else {
        if (BOOLEAN.equals(type)) {
            type.writeBoolean(blockBuilder, (Boolean) value);
        } else if (TINYINT.equals(type) || SMALLINT.equals(type) || INTEGER.equals(type) || BIGINT.equals(type)) {
            type.writeLong(blockBuilder, ((Number) value).longValue());
        } else if (Decimals.isShortDecimal(type)) {
            type.writeLong(blockBuilder, ((SqlDecimal) value).getUnscaledValue().longValue());
        } else if (Decimals.isLongDecimal(type)) {
            if (Decimals.overflows(((SqlDecimal) value).getUnscaledValue(), MAX_PRECISION_INT64)) {
                type.writeObject(blockBuilder, Int128.valueOf(((SqlDecimal) value).toBigDecimal().unscaledValue()));
            } else {
                type.writeObject(blockBuilder, Int128.valueOf(((SqlDecimal) value).getUnscaledValue().longValue()));
            }
        } else if (DOUBLE.equals(type)) {
            type.writeDouble(blockBuilder, ((Number) value).doubleValue());
        } else if (REAL.equals(type)) {
            float floatValue = ((Number) value).floatValue();
            type.writeLong(blockBuilder, Float.floatToIntBits(floatValue));
        } else if (type instanceof VarcharType) {
            Slice slice = truncateToLength(utf8Slice((String) value), type);
            type.writeSlice(blockBuilder, slice);
        } else if (type instanceof CharType) {
            Slice slice = truncateToLengthAndTrimSpaces(utf8Slice((String) value), type);
            type.writeSlice(blockBuilder, slice);
        } else if (VARBINARY.equals(type)) {
            type.writeSlice(blockBuilder, Slices.wrappedBuffer(((SqlVarbinary) value).getBytes()));
        } else if (DATE.equals(type)) {
            long days = ((SqlDate) value).getDays();
            type.writeLong(blockBuilder, days);
        } else if (TIMESTAMP_MILLIS.equals(type)) {
            type.writeLong(blockBuilder, ((SqlTimestamp) value).getEpochMicros());
        } else {
            if (type instanceof ArrayType) {
                List<?> array = (List<?>) value;
                Type elementType = type.getTypeParameters().get(0);
                BlockBuilder arrayBlockBuilder = blockBuilder.beginBlockEntry();
                for (Object elementValue : array) {
                    writeValue(elementType, arrayBlockBuilder, elementValue);
                }
                blockBuilder.closeEntry();
            } else if (type instanceof MapType) {
                Map<?, ?> map = (Map<?, ?>) value;
                Type keyType = type.getTypeParameters().get(0);
                Type valueType = type.getTypeParameters().get(1);
                BlockBuilder mapBlockBuilder = blockBuilder.beginBlockEntry();
                for (Map.Entry<?, ?> entry : map.entrySet()) {
                    writeValue(keyType, mapBlockBuilder, entry.getKey());
                    writeValue(valueType, mapBlockBuilder, entry.getValue());
                }
                blockBuilder.closeEntry();
            } else if (type instanceof RowType) {
                List<?> array = (List<?>) value;
                List<Type> fieldTypes = type.getTypeParameters();
                BlockBuilder rowBlockBuilder = blockBuilder.beginBlockEntry();
                for (int fieldId = 0; fieldId < fieldTypes.size(); fieldId++) {
                    Type fieldType = fieldTypes.get(fieldId);
                    writeValue(fieldType, rowBlockBuilder, array.get(fieldId));
                }
                blockBuilder.closeEntry();
            } else {
                throw new IllegalArgumentException("Unsupported type " + type);
            }
        }
    }
}

Example 18 with RowType

use of io.trino.spi.type.RowType in project trino by trinodb.

the class TypeCoercion method isTypeOnlyCoercion.

public boolean isTypeOnlyCoercion(Type source, Type result) {
    if (source.equals(result)) {
        return true;
    }
    if (!canCoerce(source, result)) {
        return false;
    }
    if (source instanceof VarcharType && result instanceof VarcharType) {
        return true;
    }
    if (source instanceof DecimalType && result instanceof DecimalType) {
        DecimalType sourceDecimal = (DecimalType) source;
        DecimalType resultDecimal = (DecimalType) result;
        boolean sameDecimalSubtype = (sourceDecimal.isShort() && resultDecimal.isShort()) || (!sourceDecimal.isShort() && !resultDecimal.isShort());
        boolean sameScale = sourceDecimal.getScale() == resultDecimal.getScale();
        boolean sourcePrecisionIsLessOrEqualToResultPrecision = sourceDecimal.getPrecision() <= resultDecimal.getPrecision();
        return sameDecimalSubtype && sameScale && sourcePrecisionIsLessOrEqualToResultPrecision;
    }
    if (source instanceof RowType && result instanceof RowType) {
        RowType sourceType = (RowType) source;
        RowType resultType = (RowType) result;
        List<Field> sourceFields = sourceType.getFields();
        List<Field> resultFields = resultType.getFields();
        if (sourceFields.size() != resultFields.size()) {
            return false;
        }
        for (int i = 0; i < sourceFields.size(); i++) {
            if (!isTypeOnlyCoercion(sourceFields.get(i).getType(), resultFields.get(i).getType())) {
                return false;
            }
        }
        return true;
    }
    String sourceTypeBase = source.getBaseName();
    String resultTypeBase = result.getBaseName();
    if (sourceTypeBase.equals(resultTypeBase) && isCovariantParametrizedType(source)) {
        List<Type> sourceTypeParameters = source.getTypeParameters();
        List<Type> resultTypeParameters = result.getTypeParameters();
        checkState(sourceTypeParameters.size() == resultTypeParameters.size());
        for (int i = 0; i < sourceTypeParameters.size(); i++) {
            if (!isTypeOnlyCoercion(sourceTypeParameters.get(i), resultTypeParameters.get(i))) {
                return false;
            }
        }
        return true;
    }
    return false;
}

Example 19 with RowType

use of io.trino.spi.type.RowType in project trino by trinodb.

the class TypeCoercion method typeCompatibilityForRow.

private TypeCompatibility typeCompatibilityForRow(RowType firstType, RowType secondType) {
    List<Field> firstFields = firstType.getFields();
    List<Field> secondFields = secondType.getFields();
    if (firstFields.size() != secondFields.size()) {
        return TypeCompatibility.incompatible();
    }
    ImmutableList.Builder<Field> fields = ImmutableList.builder();
    boolean coercible = true;
    for (int i = 0; i < firstFields.size(); i++) {
        Type firstFieldType = firstFields.get(i).getType();
        Type secondFieldType = secondFields.get(i).getType();
        TypeCompatibility typeCompatibility = compatibility(firstFieldType, secondFieldType);
        if (!typeCompatibility.isCompatible()) {
            return TypeCompatibility.incompatible();
        }
        Type commonParameterType = typeCompatibility.getCommonSuperType();
        Optional<String> firstParameterName = firstFields.get(i).getName();
        Optional<String> secondParameterName = secondFields.get(i).getName();
        Optional<String> commonName = firstParameterName.equals(secondParameterName) ? firstParameterName : Optional.empty();
        // ignore parameter name for coercible
        coercible &= typeCompatibility.isCoercible();
        fields.add(new Field(commonName, commonParameterType));
    }
    return TypeCompatibility.compatible(RowType.from(fields.build()), coercible);
}

Example 20 with RowType

use of io.trino.spi.type.RowType in project trino by trinodb.

the class TestHistogram method testRowHistograms.

@Test
public void testRowHistograms() {
    RowType innerRowType = RowType.from(ImmutableList.of(RowType.field("f1", BIGINT), RowType.field("f2", DOUBLE)));
    BlockBuilder builder = innerRowType.createBlockBuilder(null, 3);
    innerRowType.writeObject(builder, toRow(ImmutableList.of(BIGINT, DOUBLE), 1L, 1.0));
    innerRowType.writeObject(builder, toRow(ImmutableList.of(BIGINT, DOUBLE), 2L, 2.0));
    innerRowType.writeObject(builder, toRow(ImmutableList.of(BIGINT, DOUBLE), 3L, 3.0));
    assertAggregation(FUNCTION_RESOLUTION, QualifiedName.of(Histogram.NAME), fromTypes(innerRowType), ImmutableMap.of(ImmutableList.of(1L, 1.0), 1L, ImmutableList.of(2L, 2.0), 1L, ImmutableList.of(3L, 3.0), 1L), builder.build());
}