xuyangzhong commented on code in PR #24179:
URL: https://github.com/apache/flink/pull/24179#discussion_r1466314159
##########
flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/hint/StateTtlHint.java:
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@@ -87,4 +91,28 @@ public static Map<Integer, Long>
getStateTtlFromHint(List<RelHint> hints) {
return stateTtlFromHint;
}
+
+ /**
+ * Get the state ttl from hints on the {@link
org.apache.calcite.rel.SingleRel} such as
+ * Aggregate.
+ *
+ * @return the state ttl in milliseconds. If no state ttl hints set from
hint, return "null".
+ */
+ @Nullable
+ public static Long getStateTtlFromHintOnSingleRel(List<RelHint> hints) {
+ AtomicReference<Long> stateTtlFromHint = new AtomicReference<>(null);
+ hints.stream()
+ .filter(hint -> StateTtlHint.isStateTtlHint(hint.hintName))
+ .forEach(
+ hint ->
+ hint.kvOptions.forEach(
+ (input, ttl) -> {
+ if
(FlinkHints.INPUT.equals(input)) {
+ stateTtlFromHint.set(
+
TimeUtils.parseDuration(ttl).toMillis());
+ }
+ }));
+
+ return stateTtlFromHint.get();
Review Comment:
I'll modify the code to return null if the list is empty.
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