use of org.apache.hyracks.dataflow.std.group.aggregators.FloatSumFieldAggregatorFactory in project asterixdb by apache.
the class AggregationTest method singleKeySumExtGroupTest.
@Test
public void singleKeySumExtGroupTest() throws Exception {
JobSpecification spec = new JobSpecification();
FileScanOperatorDescriptor csvScanner = new FileScanOperatorDescriptor(spec, splitProvider, tupleParserFactory, desc);
PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, csvScanner, NC2_ID);
RecordDescriptor outputRec = new RecordDescriptor(new ISerializerDeserializer[] { new UTF8StringSerializerDeserializer(), IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, FloatSerializerDeserializer.INSTANCE });
int[] keyFields = new int[] { 0 };
int frameLimits = 5;
int tableSize = 8;
long fileSize = frameLimits * spec.getFrameSize();
ExternalGroupOperatorDescriptor grouper = new ExternalGroupOperatorDescriptor(spec, tableSize, fileSize, keyFields, frameLimits, new IBinaryComparatorFactory[] { PointableBinaryComparatorFactory.of(UTF8StringPointable.FACTORY) }, new UTF8StringNormalizedKeyComputerFactory(), new MultiFieldsAggregatorFactory(new IFieldAggregateDescriptorFactory[] { new IntSumFieldAggregatorFactory(1, false), new IntSumFieldAggregatorFactory(3, false), new FloatSumFieldAggregatorFactory(5, false) }), new MultiFieldsAggregatorFactory(new IFieldAggregateDescriptorFactory[] { new IntSumFieldAggregatorFactory(1, false), new IntSumFieldAggregatorFactory(2, false), new FloatSumFieldAggregatorFactory(3, false) }), outputRec, outputRec, new HashSpillableTableFactory(new IBinaryHashFunctionFamily[] { UTF8StringBinaryHashFunctionFamily.INSTANCE }));
PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, grouper, NC2_ID, NC1_ID);
IConnectorDescriptor conn1 = new MToNPartitioningConnectorDescriptor(spec, new FieldHashPartitionComputerFactory(keyFields, new IBinaryHashFunctionFactory[] { PointableBinaryHashFunctionFactory.of(UTF8StringPointable.FACTORY) }));
spec.connect(conn1, csvScanner, 0, grouper, 0);
AbstractSingleActivityOperatorDescriptor printer = getPrinter(spec, "singleKeySumExtGroupTest");
PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, printer, NC2_ID, NC1_ID);
IConnectorDescriptor conn2 = new OneToOneConnectorDescriptor(spec);
spec.connect(conn2, grouper, 0, printer, 0);
spec.addRoot(printer);
runTest(spec);
}
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