jacktengg commented on code in PR #22281:
URL: https://github.com/apache/doris/pull/22281#discussion_r1276369100
##########
regression-test/suites/query_p0/sql_functions/cast_function/test_cast_string_to_array.groovy:
##########
@@ -41,5 +41,14 @@ suite("test_cast_string_to_array") {
qt_sql """ select cast ("[1,2,3,,,]" as array<int>) """
qt_sql """ select cast ("[a,b,c,,,]" as array<string>) """
qt_sql """ select cast ("[1.34,2.01,,,]" as array<decimal(10, 3)>) """
+
+ sql """ ADMIN SET FRONTEND CONFIG ("enable_date_conversion" = "false"); """
+ qt_sql """ select cast ("[2022-09-01,,]" as array<date>) """
+ qt_sql """ select cast ("[2022-09-01,,]" as array<string>) """
+ qt_sql """ select cast(cast ("[2022-09-01,,]" as array<string>) as
array<date>) """
+
+ sql """ ADMIN SET FRONTEND CONFIG ("enable_date_conversion" = "true"); """
qt_sql """ select cast ("[2022-09-01,,]" as array<date>) """
Review Comment:
MySQL 8.0:
```
select cast("" as date);
cast("" as date)
--
null
select cast("" as SIGNED);
cast("" as SIGNED)
--
0
```
PostgreSQL15:
```
SELECT CAST ('2023-07-28' AS date);
date
--
2023-07-28
SELECT CAST ('' AS date);
ERROR: invalid input syntax for type date: ""
LINE 1: SELECT CAST ('' AS date);
SELECT CAST ('' AS INTEGER);
ERROR: invalid input syntax for type integer: ""
LINE 1: SELECT CAST ('' AS INTEGER);
```
Doris:
```
mysql [(none)]>select cast('' as int);
+-----------------+
| cast('' as INT) |
+-----------------+
| NULL |
+-----------------+
1 row in set (0.02 sec)
mysql [(none)]>select cast('' as date);
+--------------------+
| cast('' as DATEV2) |
+--------------------+
| NULL |
+--------------------+
1 row in set (0.02 sec)
```
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