add ut

regression-test/suites/partition_p0/multi_partition/test_multi_partition.groovy

@@ -465,4 +465,24 @@ suite("test_multi_partition") {
  assertTrue(result2[1][1].startsWith("p_"))
  sql "drop table multi_par12"
 
-}
+ // create one table without datetime partition, but with date string
+ sql """
+ CREATE TABLE IF NOT EXISTS range_date_cast_to_datetime ( 
+ id int,
+ name string,
+ pdate DATETIME ) 
+ PARTITION BY RANGE(pdate)(
+ FROM ("2023-04-16") TO ("2023-04-20") INTERVAL 1 DAY
+ )
+ DISTRIBUTED BY HASH(id) BUCKETS 1 properties("replication_num" = "1")
+ """
+ result1 = sql "show tables like 'range_date_cast_to_datetime'"
+ logger.info("${result1}")
+ assertEquals(result1.size(), 1)
+ result2 = sql "show partitions from range_date_cast_to_datetime"
+ logger.info("${result2}")
+ assertEquals(result2.size(), 4)
+ assertTrue(result2[1][1].startsWith("p_"))
+ sql "drop table range_date_cast_to_datetime"
+
+}

regression-test/suites/partition_p0/multi_partition/test_range_partition.groovy

@@ -296,4 +296,18 @@ suite("test_range_partition", "p0") {
  "DISTRIBUTED BY RANDOM BUCKETS 13"
  )
 
+ // create one table without datetime partition, but with date string
+ sql """
+ CREATE TABLE IF NOT EXISTS range_date_cast_to_datetime ( 
+ id int,
+ name string,
+ pdate DATETIME ) 
+ PARTITION BY RANGE(pdate)(
+ PARTITION pd20230418 VALUES less than ("2023-04-20")
+ )
+ DISTRIBUTED BY HASH(id) BUCKETS 1 properties("replication_num" = "1")
+ """
+ sql "insert into range_date_cast_to_datetime values (1, 'name', '2023-04-19 08:08:30')"
+ sql "drop table range_date_cast_to_datetime"
+
 }