gengliangwang commented on a change in pull request #34681:
URL: https://github.com/apache/spark/pull/34681#discussion_r754303746
##########
File path:
sql/core/src/test/resources/sql-tests/results/ansi/string-functions.sql.out
##########
@@ -545,37 +539,33 @@ AABB
-- !query
SELECT lpad('abc', 5, x'57')
-- !query schema
-struct<>
+struct<lpad(abc, 5, X'57'):string>
-- !query output
-org.apache.spark.sql.AnalysisException
-cannot resolve 'lpad('abc', 5, X'57')' due to data type mismatch: argument 3
requires string type, however, 'X'57'' is of binary type.; line 1 pos 7
+WWabc
-- !query
SELECT lpad(x'57', 5, 'abc')
-- !query schema
-struct<>
+struct<lpad(X'57', 5, abc):string>
-- !query output
-org.apache.spark.sql.AnalysisException
-cannot resolve 'lpad(X'57', 5, 'abc')' due to data type mismatch: argument 1
requires string type, however, 'X'57'' is of binary type.; line 1 pos 7
+abcaW
-- !query
SELECT rpad('abc', 5, x'57')
-- !query schema
-struct<>
+struct<rpad(abc, 5, X'57'):string>
-- !query output
-org.apache.spark.sql.AnalysisException
-cannot resolve 'rpad('abc', 5, X'57')' due to data type mismatch: argument 3
requires string type, however, 'X'57'' is of binary type.; line 1 pos 7
+abcWW
-- !query
SELECT rpad(x'57', 5, 'abc')
-- !query schema
-struct<>
+struct<rpad(X'57', 5, abc):string>
-- !query output
-org.apache.spark.sql.AnalysisException
-cannot resolve 'rpad(X'57', 5, 'abc')' due to data type mismatch: argument 1
requires string type, however, 'X'57'' is of binary type.; line 1 pos 7
+Wabca
Review comment:
Yes, there are exceptions in the ansi one:
```
> ... left("abcd", 'a')
java.lang.NumberFormatException
invalid input syntax for type numeric: a
```
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