refactor(meta): do not store upstream actors in merge node #20222
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BugenZhao
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Jan 27, 2025
| upstream_dispatcher_type: DispatcherType::Hash as _, | ||
| fields: sink_fields.to_vec(), | ||
| **merge_node = { | ||
| #[expect(deprecated)] |
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Is it possible to move the attributes onto the field?
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Just had a try, but the attribute doesn't work.
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What's changed and what's your intention?
Previously we store the upstream actors information of each actor in the
upstream_actor_idofNodeBody::MergeofStreamNodeof eachStreamActor. This is the only difference ofStreamNodefor each actor in a same fragment. In this PR, we will change to store the upstream actor information in a separate field besidesStreamActor.We define type alias
In code of meta node, most appearance of
StreamActorwill be replaced withStreamActorWithUpstreams, so that the upstreams information can be carried together with usage to originalStreamActor. The fieldupstream_actor_idofMergeNodeandStreamActoris marked deprecated in the proto definition, so that we can review all the original on the fields, to ensure the refactor logic is correct.Checklist
Documentation
Release note