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https://issues.apache.org/jira/browse/FLINK-31397?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jingsong Lee closed FLINK-31397.
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Resolution: Fixed
master: 0f5744a92bc52f52bc0f6644dc063dcb60fe326c
> Introduce write-once hash lookup store
> --------------------------------------
>
> Key: FLINK-31397
> URL: https://issues.apache.org/jira/browse/FLINK-31397
> Project: Flink
> Issue Type: Sub-task
> Components: Table Store
> Reporter: Jingsong Lee
> Assignee: Jingsong Lee
> Priority: Major
> Labels: pull-request-available
> Fix For: table-store-0.4.0
>
>
> Introduce interface for lookup changelog producer:
> {code:java}
> /**
> * A key-value store for lookup, key-value store should be single binary file
> written once and ready
> * to be used. This factory provide two interfaces:
> *
> * <ul>
> * <li>Writer: written once to prepare binary file.
> * <li>Reader: lookup value by key bytes.
> * </ul>
> */
> public interface LookupStoreFactory {
> LookupStoreWriter createWriter(File file) throws IOException;
> LookupStoreReader createReader(File file) throws IOException;
> }
> {code}
> We can convert remote columnar data to local lookup store, and ready to be
> used to lookup.
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