jackwener commented on code in PR #6647:
URL: https://github.com/apache/arrow-datafusion/pull/6647#discussion_r1226528770


##########
datafusion/core/tests/sqllogictests/test_files/wildcard.slt:
##########
@@ -108,6 +108,51 @@ SELECT t1.*, tb2.* FROM t1 JOIN t2 tb2 ON t2_id = t1_id 
ORDER BY t1_id
 statement error Error during planning: Invalid qualifier agg
 SELECT agg.* FROM aggregate_simple ORDER BY c1
 
+# test_count_wildcard_on_with
+query I
+with tbl as (SELECT 0 as 'COUNT(*)') SELECT * from tbl
+----
+0
+
+# test_count_wildcard_on_with_logical_plan
+query TT
+explain with tbl as (SELECT 0 as 'COUNT(*)') SELECT * from tbl
+----
+logical_plan
+Projection: tbl.COUNT(UInt8(1)) AS tbl.COUNT(*)
+--SubqueryAlias: tbl
+----Projection: Int64(0) AS COUNT(UInt8(1))
+------EmptyRelation
+physical_plan
+ProjectionExec: expr=[COUNT(UInt8(1))@0 as tbl.COUNT(*)]
+--ProjectionExec: expr=[0 as COUNT(UInt8(1))]
+----EmptyExec: produce_one_row=true
+
+
+# test_count_wildcard_on_with_agg
+query I
+with tbl as (SELECT count(a) as 'COUNT(*)' from (values (1), (2)) as x(a)) 
SELECT * from tbl;
+----
+2
+
+# test_count_wildcard_on_with_agg_logical_plan
+query TT
+explain with tbl as (SELECT count(a) as 'COUNT(*)' from (values (1), (2)) as 
x(a)) SELECT * from tbl;
+----
+logical_plan
+Projection: tbl.COUNT(UInt8(1)) AS tbl.COUNT(*)
+--SubqueryAlias: tbl
+----Projection: COUNT(a) AS COUNT(UInt8(1))

Review Comment:
   look like SubqueryAlias block optimization, We need a 
`EliminateSubqueryAlias` rule #5407, I will try to do it.



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