xiangyuf commented on code in PR #26379:
URL: https://github.com/apache/flink/pull/26379#discussion_r2043429616
##########
flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/config/OptimizerConfigOptions.java:
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@@ -105,6 +105,17 @@ public class OptimizerConfigOptions {
+
TABLE_OPTIMIZER_REUSE_SUB_PLAN_ENABLED.key()
+ " is true.");
+ @Documentation.TableOption(execMode =
Documentation.ExecMode.BATCH_STREAMING)
+ public static final ConfigOption<Boolean>
TABLE_OPTIMIZER_REUSE_SINK_ENABLED =
+ key("table.optimizer.reuse-sink-enabled")
+ .booleanType()
+ .defaultValue(false)
+ .withDescription(
+ "When it is true, the optimizer will try to find
out duplicated table sinks and "
+ + "reuse them. This works only when "
+ +
TABLE_OPTIMIZER_REUSE_SUB_PLAN_ENABLED.key()
Review Comment:
In certain cases, user may only want to reuse source nodes instead of sink
nodes.
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