[SPARK-37613][SQL][FOLLOWUP] Supplement docs for regr_count #36258
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
What changes were proposed in this pull request?
#34880 supported ANSI Aggregate Function: regr_count.
But the docs of regr_count is not good enough.
Why are the changes needed?
Make the docs of regr_count more detailed.
Does this PR introduce any user-facing change?
'No'.
New feature.
How was this patch tested?
N/A