Function onTopLevelException

bolt/expression/Expr.cpp:705–727

Used to generate context for an error occurred while evaluating top-level expression or top-level context for an error occurred while evaluating top-level expression. If FLAGS_bolt_save_input_on_expression_failure_path is not empty, saves the input vector and expression SQL to files in that directory. Returns the output of Expr::toString() for the top-level expression along with the paths of the

  return fmt::format(
      "Top-level Expression: {}. Input data: {}. SQL expression: {}."
      " All SQL expressions: {}. ",
      context->expr()->toString(),
      context->dataPath(),
      context->sqlPath(),
      context->allExprSqlPath());
}

/// Used to generate context for an error occurred while evaluating
/// sub-expression. Returns the output of Expr::toString() for the
/// sub-expression.
std::string onException(BoltException::Type /*exceptionType*/, void* arg) {
  return static_cast<Expr*>(arg)->toString();
}
} // namespace

void Expr::evalFlatNoNulls(
    const SelectivityVector& rows,
    EvalCtx& context,
    VectorPtr& result,
    const ExprSet* parentExprSet) {
  if (shouldEvaluateSharedSubexp()) {
    evaluateSharedSubexpr(
        rows,
        context,
        result,
        [&](const SelectivityVector& rows,