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Posted to issues@flink.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/01/13 07:47:00 UTC
[jira] [Updated] (FLINK-25628) Introduce RecordReader and related classes for table store
[ https://issues.apache.org/jira/browse/FLINK-25628?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated FLINK-25628:
-----------------------------------
Labels: pull-request-available (was: )
> Introduce RecordReader and related classes for table store
> ----------------------------------------------------------
>
> Key: FLINK-25628
> URL: https://issues.apache.org/jira/browse/FLINK-25628
> 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-0.1.0
>
>
> - Introduce RecordReader interface: The reader that reads the batches of records.
> - Introduce SortMergeReader: This reader is to read a list of `RecordReader`, which is already sorted by key and sequence number, and perform a sort merge algorithm. `KeyValue` with the same key will also be combined during sort merging.
> - Introduce ConcatRecordReader: This reader is to concatenate a list of `RecordReader` and read them sequentially. The input list is already sorted by key and sequence number, and the key intervals do not overlap each other.
> - Introduce FieldStats: Statistics for each field.
> - Introduce SstPathFactory: Factory which produces new Path for sst files.
> - Introduce SstFile and SstFileMeta: This SstFile includes several `KeyValue`, representing the changes inserted into the file storage.
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