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https://issues.apache.org/jira/browse/IMPALA-8576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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radford nguyen updated IMPALA-8576:
-----------------------------------
Description:
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.
was:Placeholder: description coming soon
> 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: 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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