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## What changes were proposed in this pull request? In the PR, I propose new built-in datasource with name `noop` which can be used in: - benchmarking to avoid additional overhead of actions and unnecessary type conversions - caching of datasets/dataframes - producing other side effects as a consequence of row materialisations like uploading data to a IO caches. ## How was this patch tested? Added a test to check that datasource rows are materialised. Closes #23471 from MaxGekk/none-datasource. Lead-authored-by: Maxim Gekk <max.gekk@gmail.com> Co-authored-by: Maxim Gekk <maxim.gekk@databricks.com> Signed-off-by: Herman van Hovell <hvanhovell@databricks.com> |
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