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Example 1 with MAX_SHORT_PRECISION

use of com.facebook.presto.common.type.Decimals.MAX_SHORT_PRECISION in project presto by prestodb.

the class SelectiveStreamReaders method createStreamReader.

public static SelectiveStreamReader createStreamReader(StreamDescriptor streamDescriptor, Map<Subfield, TupleDomainFilter> filters, Optional<Type> outputType, List<Subfield> requiredSubfields, DateTimeZone hiveStorageTimeZone, OrcRecordReaderOptions options, boolean legacyMapSubscript, OrcAggregatedMemoryContext systemMemoryContext) {
    OrcTypeKind type = streamDescriptor.getOrcTypeKind();
    switch(type) {
        case BOOLEAN:
            {
                checkArgument(requiredSubfields.isEmpty(), "Boolean stream reader doesn't support subfields");
                verifyStreamType(streamDescriptor, outputType, BooleanType.class::isInstance);
                return new BooleanSelectiveStreamReader(streamDescriptor, getOptionalOnlyFilter(type, filters), outputType.isPresent(), systemMemoryContext.newOrcLocalMemoryContext(SelectiveStreamReaders.class.getSimpleName()));
            }
        case BYTE:
            {
                checkArgument(requiredSubfields.isEmpty(), "Byte stream reader doesn't support subfields");
                verifyStreamType(streamDescriptor, outputType, TinyintType.class::isInstance);
                return new ByteSelectiveStreamReader(streamDescriptor, getOptionalOnlyFilter(type, filters), outputType.isPresent(), systemMemoryContext.newOrcLocalMemoryContext(SelectiveStreamReaders.class.getSimpleName()));
            }
        case SHORT:
        case INT:
        case LONG:
        case DATE:
            {
                checkArgument(requiredSubfields.isEmpty(), "Primitive type stream reader doesn't support subfields");
                verifyStreamType(streamDescriptor, outputType, t -> t instanceof BigintType || t instanceof IntegerType || t instanceof SmallintType || t instanceof DateType);
                return new LongSelectiveStreamReader(streamDescriptor, getOptionalOnlyFilter(type, filters), outputType, systemMemoryContext);
            }
        case FLOAT:
            {
                checkArgument(requiredSubfields.isEmpty(), "Float type stream reader doesn't support subfields");
                verifyStreamType(streamDescriptor, outputType, RealType.class::isInstance);
                return new FloatSelectiveStreamReader(streamDescriptor, getOptionalOnlyFilter(type, filters), outputType.isPresent(), systemMemoryContext.newOrcLocalMemoryContext(SelectiveStreamReaders.class.getSimpleName()));
            }
        case DOUBLE:
            checkArgument(requiredSubfields.isEmpty(), "Double stream reader doesn't support subfields");
            verifyStreamType(streamDescriptor, outputType, DoubleType.class::isInstance);
            return new DoubleSelectiveStreamReader(streamDescriptor, getOptionalOnlyFilter(type, filters), outputType.isPresent(), systemMemoryContext.newOrcLocalMemoryContext(SelectiveStreamReaders.class.getSimpleName()));
        case BINARY:
        case STRING:
        case VARCHAR:
        case CHAR:
            checkArgument(requiredSubfields.isEmpty(), "Primitive stream reader doesn't support subfields");
            verifyStreamType(streamDescriptor, outputType, t -> t instanceof VarcharType || t instanceof CharType || t instanceof VarbinaryType);
            return new SliceSelectiveStreamReader(streamDescriptor, getOptionalOnlyFilter(type, filters), outputType, systemMemoryContext);
        case TIMESTAMP:
            {
                checkArgument(requiredSubfields.isEmpty(), "Timestamp stream reader doesn't support subfields");
                verifyStreamType(streamDescriptor, outputType, TimestampType.class::isInstance);
                return new TimestampSelectiveStreamReader(streamDescriptor, getOptionalOnlyFilter(type, filters), hiveStorageTimeZone, outputType.isPresent(), systemMemoryContext.newOrcLocalMemoryContext(SelectiveStreamReaders.class.getSimpleName()), options);
            }
        case LIST:
            verifyStreamType(streamDescriptor, outputType, ArrayType.class::isInstance);
            return new ListSelectiveStreamReader(streamDescriptor, filters, requiredSubfields, null, 0, outputType, hiveStorageTimeZone, options, legacyMapSubscript, systemMemoryContext);
        case STRUCT:
            verifyStreamType(streamDescriptor, outputType, RowType.class::isInstance);
            return new StructSelectiveStreamReader(streamDescriptor, filters, requiredSubfields, outputType, hiveStorageTimeZone, options, legacyMapSubscript, systemMemoryContext);
        case MAP:
            verifyStreamType(streamDescriptor, outputType, MapType.class::isInstance);
            return new MapSelectiveStreamReader(streamDescriptor, filters, requiredSubfields, outputType, hiveStorageTimeZone, options, legacyMapSubscript, systemMemoryContext);
        case DECIMAL:
            {
                verifyStreamType(streamDescriptor, outputType, DecimalType.class::isInstance);
                if (streamDescriptor.getOrcType().getPrecision().get() <= MAX_SHORT_PRECISION) {
                    return new ShortDecimalSelectiveStreamReader(streamDescriptor, getOptionalOnlyFilter(type, filters), outputType, systemMemoryContext.newOrcLocalMemoryContext(SelectiveStreamReaders.class.getSimpleName()));
                } else {
                    return new LongDecimalSelectiveStreamReader(streamDescriptor, getOptionalOnlyFilter(type, filters), outputType, systemMemoryContext.newOrcLocalMemoryContext(SelectiveStreamReaders.class.getSimpleName()));
                }
            }
        case UNION:
        default:
            throw new IllegalArgumentException("Unsupported type: " + type);
    }
}
Also used : StreamDescriptor(com.facebook.presto.orc.StreamDescriptor) Iterables(com.google.common.collect.Iterables) DateTimeZone(org.joda.time.DateTimeZone) MapType(com.facebook.presto.common.type.MapType) DecimalType(com.facebook.presto.common.type.DecimalType) BooleanType(com.facebook.presto.common.type.BooleanType) OrcTypeKind(com.facebook.presto.orc.metadata.OrcType.OrcTypeKind) MAX_SHORT_PRECISION(com.facebook.presto.common.type.Decimals.MAX_SHORT_PRECISION) Preconditions.checkArgument(com.google.common.base.Preconditions.checkArgument) IntegerType(com.facebook.presto.common.type.IntegerType) Subfield(com.facebook.presto.common.Subfield) Map(java.util.Map) ArrayType(com.facebook.presto.common.type.ArrayType) CharType(com.facebook.presto.common.type.CharType) Type(com.facebook.presto.common.type.Type) TinyintType(com.facebook.presto.common.type.TinyintType) OrcAggregatedMemoryContext(com.facebook.presto.orc.OrcAggregatedMemoryContext) ImmutableMap(com.google.common.collect.ImmutableMap) Predicate(java.util.function.Predicate) BigintType(com.facebook.presto.common.type.BigintType) OrcRecordReaderOptions(com.facebook.presto.orc.OrcRecordReaderOptions) VarcharType(com.facebook.presto.common.type.VarcharType) RealType(com.facebook.presto.common.type.RealType) String.format(java.lang.String.format) TupleDomainFilter(com.facebook.presto.common.predicate.TupleDomainFilter) SmallintType(com.facebook.presto.common.type.SmallintType) List(java.util.List) VarbinaryType(com.facebook.presto.common.type.VarbinaryType) Optional(java.util.Optional) Arrays.ensureCapacity(com.facebook.presto.common.array.Arrays.ensureCapacity) DateType(com.facebook.presto.common.type.DateType) DoubleType(com.facebook.presto.common.type.DoubleType) RowType(com.facebook.presto.common.type.RowType) TimestampType(com.facebook.presto.common.type.TimestampType) VarcharType(com.facebook.presto.common.type.VarcharType) RowType(com.facebook.presto.common.type.RowType) OrcTypeKind(com.facebook.presto.orc.metadata.OrcType.OrcTypeKind) MapType(com.facebook.presto.common.type.MapType) ArrayType(com.facebook.presto.common.type.ArrayType) VarbinaryType(com.facebook.presto.common.type.VarbinaryType) SmallintType(com.facebook.presto.common.type.SmallintType) DateType(com.facebook.presto.common.type.DateType) BigintType(com.facebook.presto.common.type.BigintType) IntegerType(com.facebook.presto.common.type.IntegerType) DoubleType(com.facebook.presto.common.type.DoubleType) CharType(com.facebook.presto.common.type.CharType)

Aggregations

Subfield (com.facebook.presto.common.Subfield)1 Arrays.ensureCapacity (com.facebook.presto.common.array.Arrays.ensureCapacity)1 TupleDomainFilter (com.facebook.presto.common.predicate.TupleDomainFilter)1 ArrayType (com.facebook.presto.common.type.ArrayType)1 BigintType (com.facebook.presto.common.type.BigintType)1 BooleanType (com.facebook.presto.common.type.BooleanType)1 CharType (com.facebook.presto.common.type.CharType)1 DateType (com.facebook.presto.common.type.DateType)1 DecimalType (com.facebook.presto.common.type.DecimalType)1 MAX_SHORT_PRECISION (com.facebook.presto.common.type.Decimals.MAX_SHORT_PRECISION)1 DoubleType (com.facebook.presto.common.type.DoubleType)1 IntegerType (com.facebook.presto.common.type.IntegerType)1 MapType (com.facebook.presto.common.type.MapType)1 RealType (com.facebook.presto.common.type.RealType)1 RowType (com.facebook.presto.common.type.RowType)1 SmallintType (com.facebook.presto.common.type.SmallintType)1 TimestampType (com.facebook.presto.common.type.TimestampType)1 TinyintType (com.facebook.presto.common.type.TinyintType)1 Type (com.facebook.presto.common.type.Type)1 VarbinaryType (com.facebook.presto.common.type.VarbinaryType)1