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Posted to issues-all@impala.apache.org by "Fang-Yu Rao (Jira)" <ji...@apache.org> on 2023/01/13 19:51:00 UTC
[jira] [Assigned] (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 ]
Fang-Yu Rao reassigned IMPALA-8576:
-----------------------------------
Assignee: Fang-Yu Rao
> 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
> Assignee: Fang-Yu Rao
> Priority: Major
>
> 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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