add UT to verify 'issues/6606' (#6762)

mingmwang · web-flow · commit 8c7678a0b10d · 2023-06-25T17:47:35.000+08:00
diff --git a/datafusion/core/tests/sqllogictests/test_files/subquery.slt b/datafusion/core/tests/sqllogictests/test_files/subquery.slt
@@ -965,3 +965,11 @@ select t1.t1_int from t1 where
 ----
 2
 4
+
+query B rowsort
+select t1_int > (select avg(t1_int) from t1) from t1
+----
+false
+false
+true
+true

Original file line number	Diff line number	Diff line change
`@@ -965,3 +965,11 @@ select t1.t1_int from t1 where`
`965`	`965`	`----`
`966`	`966`	`2`
`967`	`967`	`4`
	`968`	`+`
	`969`	`+query B rowsort`
	`970`	`+select t1_int > (select avg(t1_int) from t1) from t1`
	`971`	`+----`
	`972`	`+false`
	`973`	`+false`
	`974`	`+true`
	`975`	`+true`