opensearch-project / opensearch-project/sql

[Enhancement] Create a separated rule to add isNotNull for `count(FIELD)` which won't impact logical plan

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#4,390 0 comments 0 reactions 1 assignee View on GitHub

@LantaoJin is already working on this.

Since Sep 26, 2025.

calcite enhancement PPL pushdown
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Description

Is your feature request related to a problem?
A followup from https://github.com/opensearch-project/sql/pull/4337#discussion_r2374473640

What solution would you like?
Create a separated rule to add isNotNull for count(FIELD)

What alternatives have you considered?
Keep as is.

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