Function TruncSumUpdate

be/src/testutil/test-udas.cc:263–273

}

IMPALA_UDF_EXPORT
void TruncSumUpdate(FunctionContext* context, const DoubleVal& val, DoubleVal* total) {
  // Arg types should be logical input types of UDA.
  assert(context->GetNumArgs() == 1);
  assert(context->GetArgType(0)->type == FunctionContext::TYPE_DOUBLE);
  assert(context->GetArgType(-1) == nullptr);
  assert(context->GetArgType(1) == nullptr);
  assert(context->GetIntermediateType().type == FunctionContext::TYPE_DOUBLE);
  assert(context->GetReturnType().type == FunctionContext::TYPE_BIGINT);
  total->val += val.val;
}

IMPALA_UDF_EXPORT
void TruncSumMerge(FunctionContext* context, const DoubleVal& src, DoubleVal* dst) {