aglinxinyuan commented on code in PR #4206:
URL: https://github.com/apache/texera/pull/4206#discussion_r3285963189
##########
amber/src/main/python/core/runnables/main_loop.py:
##########
@@ -87,19 +92,54 @@ def __init__(
target=self.data_processor.run, daemon=True,
name="data_processor_thread"
).start()
+ def _attach_loop_start_id(self, output_state: State) -> None:
+ if "LoopStartId" in output_state:
+ return
+ output_state["LoopStartId"] = self.context.worker_id.split("-",
1)[1].rsplit(
+ "-main-0", 1
+ )[0]
+ # The URI lives on the upstream operator's output port (which
+ # LoopStart's first materialization reader is reading from).
+ reader_runnables = (
+ self.context.input_manager.get_input_port_mat_reader_threads()
+ )
+ output_state["LoopStartStateURI"] = VFSURIFactory.state_uri(
+ next(iter(reader_runnables.values()))[0].uri
Review Comment:
The design of LoopStart is fixed; it has only one input.
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