KurtYoung commented on a change in pull request #8288: [FLINK-12345]
[table-planner-blink] Add support for generating optimized logical plan for
stream window aggregate
URL: https://github.com/apache/flink/pull/8288#discussion_r281444516
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File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/api/TableConfig.scala
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@@ -53,6 +53,30 @@ class TableConfig {
*/
private var maxGeneratedCodeLength: Int = 64000 // just an estimate
+ private val DEFAULT_FIRE_INTERVAL = Long.MinValue
+
+ /**
+ * The early firing interval in milli second, early fire is the emit
strategy
+ * before watermark advanced to end of window.
+ *
+ * < 0 means no early fire
+ * 0 means no delay (fire on every element).
+ * > 0 means the fire interval
+ */
+ private var earlyFireInterval = DEFAULT_FIRE_INTERVAL
Review comment:
cc @wuchong here, do we want to support early fire in 1.9.0?
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