I think I have mentioned this request long ago but have not created a topic to ask for this feature. Using the Extract Table Spec node and converting the displayed type to the data type which can be passed as a flow variable to other nodes (e.g. GroupBy) slows down the workflow.
Thank you for your feature request!
Can you tell me a little bit why do you need to do this conversion? What is the use case behind it?
I have to pass column types to the GroupBy node to determine the type of aggregation columns since they may change. (for example Int or Double). So I use the Extract Table Spec node to find the types and then change them to the type that can be passed to the GroupBy node (e.g. Double to org.knime.core.data.def.DoubleCell).
Sorry for the late reply. I just wanted to give you a feedback that I have created a ticket in our internal system.
Thank you Ana. Looking forward to having this feature in KNIME soon.
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