Only evaluate the next state if there's a valid value #7222
+7
−3
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Outdated suggestions cannot be applied.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 type of PR is this?
Description
I've experience this on my Redash in production. I'm not sure what can cause the value to exist, but be None. I guess it depends on the SQL query.
I followed the same idea of returning a self.UNKNOWN_STATE for cases that we can't know what's happening.
How is this tested?
Related Tickets & Documents
Fixes #5618