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Posted to issues-all@impala.apache.org by "Fredy Wijaya (JIRA)" <ji...@apache.org> on 2019/06/10 18:52:00 UTC
[jira] [Updated] (IMPALA-8576) Pass lineage object instead of
string to query hook
[ https://issues.apache.org/jira/browse/IMPALA-8576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Fredy Wijaya updated IMPALA-8576:
---------------------------------
Priority: Critical (was: Major)
> Pass lineage object instead of string to query hook
> ---------------------------------------------------
>
> Key: IMPALA-8576
> URL: https://issues.apache.org/jira/browse/IMPALA-8576
> Project: IMPALA
> Issue Type: Sub-task
> Components: Backend, Frontend
> Reporter: radford nguyen
> Priority: Critical
>
> The {{QueryEventHook}} interface currently takes a {{String}} for the {{onQueryComplete}} hook. This string is the JSON representation of the lineage graph written to the legacy lineage file.
> It would be better to pass the serialized {{byte[]}} of the lineage thrift object itself, so that we can decouple ourselves from any lineage file format(s).
> Additionally, hook implementations should use their own version of Thrift to deserialize the object so that they are not tied to Impala's Thrift version.
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