Examples with ISerializerDeserializerProvider org.apache.hyracks.algebricks.data.ISerializerDeserializerProvider used on opensource projects

Example 6 with ISerializerDeserializerProvider

use of org.apache.hyracks.algebricks.data.ISerializerDeserializerProvider in project asterixdb by apache.

the class SecondaryBTreeOperationsHelper method setSecondaryRecDescAndComparators.

@Override
@SuppressWarnings("rawtypes")
protected void setSecondaryRecDescAndComparators() throws AlgebricksException {
    int numSecondaryKeys = index.getKeyFieldNames().size();
    secondaryFieldAccessEvalFactories = new IScalarEvaluatorFactory[numSecondaryKeys + numFilterFields];
    secondaryComparatorFactories = new IBinaryComparatorFactory[numSecondaryKeys + numPrimaryKeys];
    secondaryBloomFilterKeyFields = new int[numSecondaryKeys];
    ISerializerDeserializer[] secondaryRecFields = new ISerializerDeserializer[numPrimaryKeys + numSecondaryKeys + numFilterFields];
    ISerializerDeserializer[] enforcedRecFields = new ISerializerDeserializer[1 + numPrimaryKeys + (dataset.hasMetaPart() ? 1 : 0) + numFilterFields];
    ITypeTraits[] enforcedTypeTraits = new ITypeTraits[1 + numPrimaryKeys + (dataset.hasMetaPart() ? 1 : 0) + numFilterFields];
    secondaryTypeTraits = new ITypeTraits[numSecondaryKeys + numPrimaryKeys];
    ISerializerDeserializerProvider serdeProvider = metadataProvider.getFormat().getSerdeProvider();
    ITypeTraitProvider typeTraitProvider = metadataProvider.getFormat().getTypeTraitProvider();
    IBinaryComparatorFactoryProvider comparatorFactoryProvider = metadataProvider.getFormat().getBinaryComparatorFactoryProvider();
    // Record column is 0 for external datasets, numPrimaryKeys for internal ones
    int recordColumn = dataset.getDatasetType() == DatasetType.INTERNAL ? numPrimaryKeys : 0;
    boolean isEnforcingKeyTypes = index.isEnforcingKeyFileds();
    for (int i = 0; i < numSecondaryKeys; i++) {
        ARecordType sourceType;
        int sourceColumn;
        List<Integer> keySourceIndicators = index.getKeyFieldSourceIndicators();
        if (keySourceIndicators == null || keySourceIndicators.get(i) == 0) {
            sourceType = itemType;
            sourceColumn = recordColumn;
        } else {
            sourceType = metaType;
            sourceColumn = recordColumn + 1;
        }
        secondaryFieldAccessEvalFactories[i] = metadataProvider.getFormat().getFieldAccessEvaluatorFactory(isEnforcingKeyTypes ? enforcedItemType : sourceType, index.getKeyFieldNames().get(i), sourceColumn);
        Pair<IAType, Boolean> keyTypePair = Index.getNonNullableOpenFieldType(index.getKeyFieldTypes().get(i), index.getKeyFieldNames().get(i), sourceType);
        IAType keyType = keyTypePair.first;
        anySecondaryKeyIsNullable = anySecondaryKeyIsNullable || keyTypePair.second;
        ISerializerDeserializer keySerde = serdeProvider.getSerializerDeserializer(keyType);
        secondaryRecFields[i] = keySerde;
        secondaryComparatorFactories[i] = comparatorFactoryProvider.getBinaryComparatorFactory(keyType, true);
        secondaryTypeTraits[i] = typeTraitProvider.getTypeTrait(keyType);
        secondaryBloomFilterKeyFields[i] = i;
    }
    if (dataset.getDatasetType() == DatasetType.INTERNAL) {
        // Add serializers and comparators for primary index fields.
        for (int i = 0; i < numPrimaryKeys; i++) {
            secondaryRecFields[numSecondaryKeys + i] = primaryRecDesc.getFields()[i];
            enforcedRecFields[i] = primaryRecDesc.getFields()[i];
            secondaryTypeTraits[numSecondaryKeys + i] = primaryRecDesc.getTypeTraits()[i];
            enforcedTypeTraits[i] = primaryRecDesc.getTypeTraits()[i];
            secondaryComparatorFactories[numSecondaryKeys + i] = primaryComparatorFactories[i];
        }
    } else {
        // Add serializers and comparators for RID fields.
        for (int i = 0; i < numPrimaryKeys; i++) {
            secondaryRecFields[numSecondaryKeys + i] = IndexingConstants.getSerializerDeserializer(i);
            enforcedRecFields[i] = IndexingConstants.getSerializerDeserializer(i);
            secondaryTypeTraits[numSecondaryKeys + i] = IndexingConstants.getTypeTraits(i);
            enforcedTypeTraits[i] = IndexingConstants.getTypeTraits(i);
            secondaryComparatorFactories[numSecondaryKeys + i] = IndexingConstants.getComparatorFactory(i);
        }
    }
    enforcedRecFields[numPrimaryKeys] = serdeProvider.getSerializerDeserializer(itemType);
    enforcedTypeTraits[numPrimaryKeys] = typeTraitProvider.getTypeTrait(itemType);
    if (dataset.hasMetaPart()) {
        enforcedRecFields[numPrimaryKeys + 1] = serdeProvider.getSerializerDeserializer(metaType);
        enforcedTypeTraits[numPrimaryKeys + 1] = typeTraitProvider.getTypeTrait(metaType);
    }
    if (numFilterFields > 0) {
        secondaryFieldAccessEvalFactories[numSecondaryKeys] = metadataProvider.getFormat().getFieldAccessEvaluatorFactory(itemType, filterFieldName, numPrimaryKeys);
        Pair<IAType, Boolean> keyTypePair = Index.getNonNullableKeyFieldType(filterFieldName, itemType);
        IAType type = keyTypePair.first;
        ISerializerDeserializer serde = serdeProvider.getSerializerDeserializer(type);
        secondaryRecFields[numPrimaryKeys + numSecondaryKeys] = serde;
        enforcedRecFields[numPrimaryKeys + 1 + (dataset.hasMetaPart() ? 1 : 0)] = serde;
        enforcedTypeTraits[numPrimaryKeys + 1 + (dataset.hasMetaPart() ? 1 : 0)] = typeTraitProvider.getTypeTrait(type);
    }
    secondaryRecDesc = new RecordDescriptor(secondaryRecFields, secondaryTypeTraits);
    enforcedRecDesc = new RecordDescriptor(enforcedRecFields, enforcedTypeTraits);
}