test: update test once bug fix is complete

datafusion/sqllogictest/test_files/order.slt

@@ -1216,16 +1216,27 @@ logical_plan
 07)------SubqueryAlias: t2
 08)--------Projection: ordered_table.b, ordered_table.c, Int32(NULL) AS a, ordered_table.a0, ordered_table.d
 09)----------TableScan: ordered_table projection=[a0, b, c, d]
+physical_plan
+01)ProjectionExec: expr=[b@0 as b, c@1 as c, a@2 as a, a0@3 as a0]
+02)--SortPreservingMergeExec: [d@4 ASC NULLS LAST,c@1 ASC NULLS LAST,a@2 ASC NULLS LAST,a0@3 ASC NULLS LAST,b@0 ASC NULLS LAST], fetch=2
+03)----UnionExec
+04)------SortExec: TopK(fetch=2), expr=[d@4 ASC NULLS LAST,c@1 ASC NULLS LAST,a@2 ASC NULLS LAST,b@0 ASC NULLS LAST], preserve_partitioning=[false]
+05)--------ProjectionExec: expr=[b@1 as b, c@2 as c, a@0 as a, NULL as a0, d@3 as d]
+06)----------CsvExec: file_groups={1 group: [[WORKSPACE_ROOT/datafusion/core/tests/data/window_2.csv]]}, projection=[a, b, c, d], output_ordering=[c@2 ASC NULLS LAST], has_header=true
+07)------SortExec: TopK(fetch=2), expr=[d@4 ASC NULLS LAST,c@1 ASC NULLS LAST,a0@3 ASC NULLS LAST,b@0 ASC NULLS LAST], preserve_partitioning=[false]
+08)--------ProjectionExec: expr=[b@1 as b, c@2 as c, NULL as a, a0@0 as a0, d@3 as d]
+09)----------CsvExec: file_groups={1 group: [[WORKSPACE_ROOT/datafusion/core/tests/data/window_2.csv]]}, projection=[a0, b, c, d], output_ordering=[c@2 ASC NULLS LAST], has_header=true
 
 # Test: run the query from above
-# TODO: query fails since the constant columns t1.a0 and t2.a are not in the ORDER BY subquery,
-# and SanityCheckPlan does not allow this.
-statement error DataFusion error: SanityCheckPlan
+query IIII
 select * from (select b, c, a, NULL::int as a0 from ordered_table order by a, c) t1
 union all
 select * from (select b, c, NULL::int as a, a0 from ordered_table order by a0, c) t2
 order by d, c, a, a0, b
 limit 2;
+----
+0 0 0 NULL
+0 0 NULL 1
 
 statement ok
 drop table ordered_table;