Examples with ArrayType com.facebook.presto.type.ArrayType used on opensource projects

Example 16 with ArrayType

use of com.facebook.presto.type.ArrayType in project presto by prestodb.

the class RelationPlanner method planCrossJoinUnnest.

private RelationPlan planCrossJoinUnnest(RelationPlan leftPlan, Join joinNode, Unnest node) {
    RelationType unnestOutputDescriptor = analysis.getOutputDescriptor(node);
    // Create symbols for the result of unnesting
    ImmutableList.Builder<Symbol> unnestedSymbolsBuilder = ImmutableList.builder();
    for (Field field : unnestOutputDescriptor.getVisibleFields()) {
        Symbol symbol = symbolAllocator.newSymbol(field);
        unnestedSymbolsBuilder.add(symbol);
    }
    ImmutableList<Symbol> unnestedSymbols = unnestedSymbolsBuilder.build();
    // Add a projection for all the unnest arguments
    PlanBuilder planBuilder = initializePlanBuilder(leftPlan);
    planBuilder = planBuilder.appendProjections(node.getExpressions(), symbolAllocator, idAllocator);
    TranslationMap translations = planBuilder.getTranslations();
    ProjectNode projectNode = (ProjectNode) planBuilder.getRoot();
    ImmutableMap.Builder<Symbol, List<Symbol>> unnestSymbols = ImmutableMap.builder();
    UnmodifiableIterator<Symbol> unnestedSymbolsIterator = unnestedSymbols.iterator();
    for (Expression expression : node.getExpressions()) {
        Type type = analysis.getType(expression);
        Symbol inputSymbol = translations.get(expression);
        if (type instanceof ArrayType) {
            unnestSymbols.put(inputSymbol, ImmutableList.of(unnestedSymbolsIterator.next()));
        } else if (type instanceof MapType) {
            unnestSymbols.put(inputSymbol, ImmutableList.of(unnestedSymbolsIterator.next(), unnestedSymbolsIterator.next()));
        } else {
            throw new IllegalArgumentException("Unsupported type for UNNEST: " + type);
        }
    }
    Optional<Symbol> ordinalitySymbol = node.isWithOrdinality() ? Optional.of(unnestedSymbolsIterator.next()) : Optional.empty();
    checkState(!unnestedSymbolsIterator.hasNext(), "Not all output symbols were matched with input symbols");
    UnnestNode unnestNode = new UnnestNode(idAllocator.getNextId(), projectNode, leftPlan.getFieldMappings(), unnestSymbols.build(), ordinalitySymbol);
    return new RelationPlan(unnestNode, analysis.getScope(joinNode), unnestNode.getOutputSymbols());
}

Example 17 with ArrayType

use of com.facebook.presto.type.ArrayType in project presto by prestodb.

the class BlockAssertions method createStringArraysBlock.

public static Block createStringArraysBlock(Iterable<? extends Iterable<String>> values) {
    ArrayType arrayType = new ArrayType(VARCHAR);
    BlockBuilder builder = arrayType.createBlockBuilder(new BlockBuilderStatus(), 100);
    for (Iterable<String> value : values) {
        if (value == null) {
            builder.appendNull();
        } else {
            arrayType.writeObject(builder, createStringsBlock(value));
        }
    }
    return builder.build();
}

Example 18 with ArrayType

use of com.facebook.presto.type.ArrayType in project presto by prestodb.

the class BlockAssertions method createArrayBigintBlock.

public static Block createArrayBigintBlock(Iterable<? extends Iterable<Long>> values) {
    ArrayType arrayType = new ArrayType(BIGINT);
    BlockBuilder builder = arrayType.createBlockBuilder(new BlockBuilderStatus(), 100);
    for (Iterable<Long> value : values) {
        if (value == null) {
            builder.appendNull();
        } else {
            arrayType.writeObject(builder, createLongsBlock(value));
        }
    }
    return builder.build();
}

Example 19 with ArrayType

use of com.facebook.presto.type.ArrayType in project presto by prestodb.

the class TestUnnestOperator method testUnnestNonNumericDoubles.

@Test
public void testUnnestNonNumericDoubles() throws Exception {
    MetadataManager metadata = createTestMetadataManager();
    Type arrayType = metadata.getType(parseTypeSignature("array(double)"));
    Type mapType = metadata.getType(parseTypeSignature("map(bigint,double)"));
    List<Page> input = rowPagesBuilder(BIGINT, arrayType, mapType).row(1L, arrayBlockOf(DOUBLE, NEGATIVE_INFINITY, POSITIVE_INFINITY, NaN), mapBlockOf(BIGINT, DOUBLE, ImmutableMap.of(1, NEGATIVE_INFINITY, 2, POSITIVE_INFINITY, 3, NaN))).build();
    OperatorFactory operatorFactory = new UnnestOperator.UnnestOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(0), ImmutableList.of(BIGINT), ImmutableList.of(1, 2), ImmutableList.of(arrayType, mapType), false);
    MaterializedResult expected = resultBuilder(driverContext.getSession(), BIGINT, DOUBLE, BIGINT, DOUBLE).row(1L, NEGATIVE_INFINITY, 1L, NEGATIVE_INFINITY).row(1L, POSITIVE_INFINITY, 2L, POSITIVE_INFINITY).row(1L, NaN, 3L, NaN).build();
    assertOperatorEquals(operatorFactory, driverContext, input, expected);
}

Example 20 with ArrayType

use of com.facebook.presto.type.ArrayType in project presto by prestodb.

the class TestApproximatePercentileAggregation method createRLEBlock.

private static RunLengthEncodedBlock createRLEBlock(Iterable<Double> percentiles, int positionCount) {
    BlockBuilder rleBlockBuilder = new ArrayType(DOUBLE).createBlockBuilder(new BlockBuilderStatus(), 1);
    BlockBuilder arrayBlockBuilder = rleBlockBuilder.beginBlockEntry();
    for (double percentile : percentiles) {
        DOUBLE.writeDouble(arrayBlockBuilder, percentile);
    }
    rleBlockBuilder.closeEntry();
    return new RunLengthEncodedBlock(rleBlockBuilder.build(), positionCount);
}