Add more tests

Signed-off-by: Chojan Shang <[email protected]>

Author: PsiACE

datafusion/sqllogictest/test_files/functions.slt

@@ -1066,7 +1066,7 @@ docs.apache.com docs com
 community.influxdata.com community com
 arrow.apache.org arrow org
 
-
+# find_in_set tests
 query I
 SELECT find_in_set('b', 'a,b,c,d')
 ----
@@ -1110,6 +1110,23 @@ SELECT find_in_set(NULL, NULL)
 ----
 NULL
 
+# find_in_set tests with utf8view
+query I
+SELECT find_in_set(arrow_cast('b', 'Utf8View'), 'a,b,c,d')
+----
+2
+
+
+query I
+SELECT find_in_set('a', arrow_cast('a,b,c,d,a', 'Utf8View'))
+----
+1
+
+query I
+SELECT find_in_set(arrow_cast('', 'Utf8View'), arrow_cast('a,b,c,d,a', 'Utf8View'))
+----
+0
+
 # Verify that multiple calls to volatile functions like `random()` are not combined / optimized away
 query B
 SELECT r FROM (SELECT r1 == r2 r, r1, r2 FROM (SELECT random()+1 r1, random()+1 r2) WHERE r1 > 0 AND r2 > 0)

datafusion/sqllogictest/test_files/string_view.slt

@@ -906,7 +906,6 @@ logical_plan
 02)--TableScan: test projection=[column1_utf8view]
 
 ## Ensure no casts for FIND_IN_SET
-## TODO file ticket
 query TT
 EXPLAIN SELECT
   FIND_IN_SET(column1_utf8view, 'a,b,c,d') as c
@@ -916,8 +915,15 @@ logical_plan
 01)Projection: find_in_set(test.column1_utf8view, Utf8View("a,b,c,d")) AS c
 02)--TableScan: test projection=[column1_utf8view]
 
-
-
+query I
+SELECT
+  FIND_IN_SET(column1_utf8view, 'a,b,c,d') as c
+FROM test;
+----
+0
+0
+0
+NULL
 
 statement ok
 drop table test;