KurtYoung commented on a change in pull request #10268:
[Flink-14599][table-planner-blink] Support precision of TimestampType in blink
planner
URL: https://github.com/apache/flink/pull/10268#discussion_r348988308
##########
File path:
flink-table/flink-table-planner-blink/src/test/scala/org/apache/flink/table/planner/expressions/TemporalTypesTest.scala
##########
@@ -893,6 +909,99 @@ class TemporalTypesTest extends ExpressionTestBase {
"1437699600")
}
+ @Test
+ def testHighPrecisionTimestamp(): Unit = {
+ // EXTRACT should support millisecond/microsecond/nanosecond
+ testSqlApi(
+ "EXTRACT(MILLISECOND FROM TIMESTAMP '1970-01-01 00:00:00.123456789')",
+ "123")
+ testSqlApi(
+ "EXTRACT(MICROSECOND FROM TIMESTAMP '1970-01-01 00:00:00.123456789')",
+ "123456")
+ testSqlApi(
+ "EXTRACT(NANOSECOND FROM TIMESTAMP '1970-01-01 00:00:00.123456789')",
+ "123456789")
+
+ // TIMESTAMPADD should support microsecond/nanosecond
+ // TODO:
+ // (1970-01-01 00:00:00.123455789:TIMESTAMP(9), /INT(*(1:INTERVAL
MICROSECOND, 1), 1000))
+ // testSqlApi(
+ // "TIMESTAMPADD(MICROSECOND, 1, TIMESTAMP '1970-01-01
00:00:00.123455789')",
+ // "1970-01-01 00:00:00.123456789"
+ //)
+
+ // TIMESTAMPDIFF should support microsecond/nanosecond
+ // TODO:
Review comment:
create a jira and attach the jira number for this
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