Native json qury runs even on non-existent druid datasource

[v-vishwa]

Native json query runs even on non-existent druid datasource

Steps to reproduce

1. Run a native druid JSON query on any datasource of your wish which is not present in the cluster.
2. You would see the query runs without result, rather throwing the error ( dataSource Not found )

Druid SQL understand well and throws table/datasource not found an error .

[jihoonson]

This seems like an intended behavior rather than a bug. In Druid, datasource can be thought as a label for segments. That means, Druid doesn't do anything with datasource, but only cares whether there are segments to query.

[cswarth]

This is by far the most annoying behavior I have encountered with druid. I can't tell you how many hours i have wasted debugging typos or other sources of bad datasource names!
Typo in one line out of hundreds in a json spec? No results. Maybe there is a validation mode? No, f-off, no results. Nothing makes me hate druid more than this overtly anti-user behavior. Not even a warning? No even "are you sure about this?" Just "no results"?!?

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[github-actions[bot]]

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