public TestRealHistogramAggregation()
{
TypeRegistry typeRegistry = new TypeRegistry();
FunctionRegistry functionRegistry = new FunctionRegistry(typeRegistry, new BlockEncodingManager(typeRegistry), new FeaturesConfig());
InternalAggregationFunction function = functionRegistry.getAggregateFunctionImplementation(
new Signature("numeric_histogram",
AGGREGATE,
parseTypeSignature("map(real, real)"),
parseTypeSignature(StandardTypes.BIGINT),
parseTypeSignature(StandardTypes.REAL),
parseTypeSignature(StandardTypes.DOUBLE)));
factory = function.bind(ImmutableList.of(0, 1, 2), Optional.empty());
input = makeInput(10);
}