#17392 Avoid panic when 'with order' expression could not be converted to a logical expression

Author: pepijnve

datafusion/sql/src/statement.rs

@@ -1450,20 +1450,19 @@ impl<S: ContextProvider> SqlToRel<'_, S> {
                                     ordered_expr,
                                     schema,
                                     planner_context,
-                                )
-                                .unwrap();
+                                )?;
                             let asc = order_by_expr.options.asc.unwrap_or(true);
                             let nulls_first =
                                 order_by_expr.options.nulls_first.unwrap_or_else(|| {
                                     self.options.default_null_ordering.nulls_first(asc)
                                 });
 
-                            SortExpr::new(ordered_expr, asc, nulls_first)
+                            Ok(SortExpr::new(ordered_expr, asc, nulls_first))
                         })
-                        .collect::<Vec<SortExpr>>();
-                    result
+                        .collect::<Result<Vec<SortExpr>>>()?;
+                    Ok(result)
                 })
-                .collect::<Vec<Vec<SortExpr>>>();
+                .collect::<Result<Vec<Vec<SortExpr>>>>()?;
 
             return Ok(results);
         }

datafusion/sqllogictest/test_files/order.slt

@@ -766,6 +766,13 @@ physical_plan DataSourceExec: file_groups={1 group: [[WORKSPACE_ROOT/datafusion/
 query error DataFusion error: Error during planning: Column a is not in schema
 CREATE EXTERNAL TABLE dt (a_id integer, a_str string, a_bool boolean) STORED AS CSV WITH ORDER (a ASC) LOCATION 'file://path/to/table';
 
+
+# Create external table with order column expression that can't be planned
+# This is currently expected to fail, but should not panic
+query error DataFusion error: Schema error: No field named a\.
+CREATE EXTERNAL TABLE dt STORED AS CSV WITH ORDER (a || b) LOCATION 'file://path/to/table';
+
+
 # Sort with duplicate sort expressions
 # Table is sorted multiple times on the same column name and should not fail
 statement ok