Method ShouldCodegen

be/src/exprs/scalar-expr.cc:327–338

}

bool ScalarExpr::ShouldCodegen(const FragmentState* state) const {
  // Use the interpreted path and call the builtin without codegen if any of the
  // followings is true:
  // 1. The expression does not have an associated RuntimeState, e.g. is a partition
  //    key expression in a descriptor table.
  // 2. codegen is disabled by query option.
  // 3. there is an optimization hint to disable codegen and the expr can be interpreted.
  // 4. Optimizer decided to disable codegen. Example: const expressions in VALUES()
  //    which are evaluated only once.
  return state != nullptr && !state->CodegenDisabledByQueryOption()
      && !((state->CodegenHasDisableHint() || is_codegen_disabled_) && IsInterpretable());
}

int ScalarExpr::GetSlotIds(vector<SlotId>* slot_ids) const {
  int n = 0;