andygrove opened a new issue, #3314:
URL: https://github.com/apache/arrow-datafusion/issues/3314
**Is your feature request related to a problem or challenge? Please describe
what you are trying to do.**
```
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/common_subexpr_eliminate.rs":111
new_expr.pop().unwrap(),
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/common_subexpr_eliminate.rs":145
predicate: new_expr.pop().unwrap().pop().unwrap(),
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/common_subexpr_eliminate.rs":167
window_expr: new_expr.pop().unwrap(),
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/common_subexpr_eliminate.rs":189
let new_aggr_expr = new_expr.pop().unwrap();
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/common_subexpr_eliminate.rs":190
let new_group_expr = new_expr.pop().unwrap();
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/common_subexpr_eliminate.rs":212
expr: new_expr.pop().unwrap(),
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/common_subexpr_eliminate.rs":276
let (expr, _, data_type) = expr_set.get(&id).unwrap();
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/common_subexpr_eliminate.rs":557
unreachable!("Enter mark should paired with node number");
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/common_subexpr_eliminate.rs":655
let (_, counter, _) = self.expr_set.get(curr_id).unwrap();
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/common_subexpr_eliminate.rs":676
|| self.expr_set.get(id).unwrap().1 <= 1
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/filter_push_down.rs":180
_ => unreachable!("lr_is_preserved only valid for JOIN nodes"),
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/filter_push_down.rs":195
JoinType::Semi | JoinType::Anti => unreachable!(
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/filter_push_down.rs":200
unreachable!("on_lr_is_preserved cannot be applied to CROSSJOIN
nodes")
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/filter_push_down.rs":202
_ => unreachable!("on_lr_is_preserved only valid for JOIN nodes"),
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/filter_push_down.rs":314
.chain(once(on_to_keep.into_iter().reduce(Expr::and).unwrap()))
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/simplify_expressions.rs":172
_ => panic!("Expected boolean literal, got {:?}", expr),
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/simplify_expressions.rs":393
if self.can_evaluate.pop().unwrap() {
"/home/andy/git/apache/arrow-datafusion/datafusion/optimizer/src/single_distinct_to_groupby.rs":176
fields_set.insert(expr.name(input.schema()).unwrap());
```
**Describe the solution you'd like**
Use `Result` instead
**Describe alternatives you've considered**
None
**Additional context**
Generated by https://github.com/andygrove/no-need-to-panic
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