gortiz commented on PR #11824:
URL: https://github.com/apache/pinot/pull/11824#issuecomment-1780629950
> Let me know if my understanding is correct for the current change:
>
> * For write path (null value vector creation):
>
> * ON if only enabled at table level
> * Column level can override table level config if configured
> * For query path:
>
> * ON iff column level is explicitly enabled
>
> IMO the above is the best way to keep backward compatibility
Not exactly. _Column level can override table level config if configured_
affects query path, not write path. At least in phase 1. In future (phase 2) we
want column level to affect write path as well.
Using your words, semantic in phase 1 is:
* For write path (null value vector creation):
* ON iff only enabled at table level
* For query path:
* ON if column level is explicitly enabled
* Column level can override table level config if configured
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