Is your feature request related to a problem or challenge? Please describe what you are trying to do.
This is a subtask of #3599.
When the separator in the concat_ws expression is null, the value is always null.
So we can do this simplification.
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Is your feature request related to a problem or challenge? Please describe what you are trying to do.
This is a subtask of #3599.
When the separator in the
concat_wsexpression isnull, the value is always null.So we can do this simplification.
Describe the solution you'd like
A clear and concise description of what you want to happen.
Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.
Additional context
Add any other context or screenshots about the feature request here.