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https://issues.apache.org/jira/browse/HIVE-19417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16495560#comment-16495560
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Steve Yeom commented on HIVE-19417:
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1. MetaStore Schema Changes for the patch 04
1.1 New table UPD_TXNS
A record is created per transaction per table.
- UPDATE_ID: primary key column, generated by Datanucleus when specified at
"package.jdo" as datastore-identity
- TBL_ID: TBLS.TBL_ID referencing column. A foreign key is created for this
column referencing TBLS.TBL_ID.
- STATE: this is deleted for the next patch version.
- TXN_ID: Transaction id of the transaction to insert the row.
- WRITEID_LIST: writeIdList for the table of the transaction
1.2 Modification for TBLS and PARTITIONS tables
- A new column TXN_ID: transaction id of the UPD_TXNS.
> Modify metastore to have/access persistent tables for stats
> -----------------------------------------------------------
>
> Key: HIVE-19417
> URL: https://issues.apache.org/jira/browse/HIVE-19417
> Project: Hive
> Issue Type: Sub-task
> Components: Transactions
> Affects Versions: 3.0.0
> Reporter: Steve Yeom
> Assignee: Steve Yeom
> Priority: Major
> Attachments: HIVE-19417.01.patch, HIVE-19417.02.patch,
> HIVE-19417.03.patch, HIVE-19417.04.patch
>
>
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