wuchong commented on a change in pull request #14620:
URL: https://github.com/apache/flink/pull/14620#discussion_r556248368
##########
File path:
flink-table/flink-table-planner-blink/src/test/scala/org/apache/flink/table/planner/expressions/TemporalTypesTest.scala
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@@ -674,6 +675,35 @@ class TemporalTypesTest extends ExpressionTestBase {
//testSqlApi("CEIL(TIMESTAMP '2018-03-20 06:10:31' TO HOUR)", "2018-03-20
07:00:00.000")
}
+ @Test
+ def testLocalDateTimeInUTC(): Unit = {
+ config.setLocalTimeZone(ZoneId.of("UTC"))
+
+ val formattedLocalDateTime = LocalDateTime
+ .now(ZoneId.of("UTC"))
+ .format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"))
+
+ // the LOCALTIMESTAMP function is not deterministic, thus we
+ // use following pattern to check it return SQL timestamp in session time
zone UTC
+ testSqlApi(
+ s"TIMESTAMPDIFF(MINUTE, TIMESTAMP '$formattedLocalDateTime',
LOCALTIMESTAMP) <= 1",
+ "true")
+ }
+
+ @Test
+ def testLocalDateTimeInShanghai(): Unit = {
Review comment:
Could you add these tests into
`NonDeterministicTests#testLocalTimestamp`?
Besides, we may also need to test `LOCALTIME`?
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