yanze chen created IOTDB-4628:
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Summary: [sync] Do not store pipe infomation after drop
Key: IOTDB-4628
URL: https://issues.apache.org/jira/browse/IOTDB-4628
Project: Apache IoTDB
Issue Type: Improvement
Reporter: yanze chen
Assignee: yanze chen
In old version, pipe infomation will be stored even if pipe has been dropped.
There are two advantages to not storing pipe infomation after drop can.
# Support rollback logic in procedure better. If failed to create pipe, drop
directlt.
# Other modules(e.g.Trigger) do the same thing. Doing so can keep the
semantics consistent in IoTDB.
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