Add more tests

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

Author: PsiACE

datafusion/sqllogictest/test_files/functions.slt

@@ -871,7 +871,7 @@ SELECT products.* REPLACE (price*2 AS price, product_id+1000 AS product_id) FROM
 1003 OldBrand Product 3 79.98
 1004 OldBrand Product 4 99.98
 
-#overlay tests
+# overlay tests
 statement ok
 CREATE TABLE over_test(
   str TEXT,
@@ -913,6 +913,31 @@ NULL
 Thomxas
 NULL
 
+# overlay tests with utf8view
+query T
+SELECT overlay(arrow_cast(str, 'Utf8View') placing arrow_cast(characters, 'Utf8View') from pos for len) from over_test
+----
+abc
+qwertyasdfg
+ijkz
+Thomas
+NULL
+NULL
+NULL
+NULL
+
+query T
+SELECT overlay(arrow_cast(str, 'Utf8View') placing arrow_cast(characters, 'Utf8View') from pos) from over_test
+----
+abc
+qwertyasdfg
+ijk
+Thomxas
+NULL
+NULL
+Thomxas
+NULL
+
 query I
 SELECT levenshtein('kitten', 'sitting')
 ----

datafusion/sqllogictest/test_files/string_view.slt

@@ -719,7 +719,6 @@ logical_plan
 02)--TableScan: test projection=[column1_utf8view]
 
 ## Ensure no casts for OVERLAY
-## TODO file ticket
 query TT
 EXPLAIN SELECT
   OVERLAY(column1_utf8view PLACING 'foo' FROM 2 ) as c1
@@ -729,6 +728,14 @@ logical_plan
 01)Projection: overlay(test.column1_utf8view, Utf8View("foo"), Int64(2)) AS c1
 02)--TableScan: test projection=[column1_utf8view]
 
+query T
+SELECT OVERLAY(column1_utf8view PLACING 'foo' FROM 2 ) as c1 FROM test;
+----
+Afooew
+Xfoogpeng
+Rfooael
+NULL
+
 ## Ensure no casts for REGEXP_LIKE
 query TT
 EXPLAIN SELECT