Jingsong Lee created FLINK-31213:
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Summary: Aggregation merge engine supports retract inputs
Key: FLINK-31213
URL: https://issues.apache.org/jira/browse/FLINK-31213
Project: Flink
Issue Type: Improvement
Components: Table Store
Reporter: Jingsong Lee
Assignee: Jingsong Lee
Fix For: table-store-0.4.0
For sum, it can support retracts.
For others, which do not support retraction (`UPDATE_BEFORE` and `DELETE`). If
the user allow some functions to ignore retraction messages, the user can
configure: `'fields.${field_name}.ignore-retract'='true'`.
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