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Posted to dev@phoenix.apache.org by "James Taylor (JIRA)" <ji...@apache.org> on 2016/04/06 03:05:25 UTC
[jira] [Updated] (PHOENIX-2791) Support append only schema
declaration
[ https://issues.apache.org/jira/browse/PHOENIX-2791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
James Taylor updated PHOENIX-2791:
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Labels: argus (was: )
> Support append only schema declaration
> --------------------------------------
>
> Key: PHOENIX-2791
> URL: https://issues.apache.org/jira/browse/PHOENIX-2791
> Project: Phoenix
> Issue Type: Sub-task
> Reporter: James Taylor
> Assignee: Thomas D'Silva
> Labels: argus
> Fix For: 4.8.0
>
>
> If we know in advance that columns will only be added to but never removed from a schema, we can prevent the RPC from the client to the server when the client already has all columns declared in the CREATE TABLE/VIEW IF NOT EXISTS. To enable this, we can add an APPEND_ONLY_SCHEMA boolean flag to SYSTEM.CATALOG. Or another potential name would be IMMUTABLE_SCHEMA to match IMMUTABLE_ROWS?
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