Nirnay Roy

https://www.tensorflow.org/guide/upgrade

ModuleNotFoundError: No module named 'xgboost'

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Hi, I am facing trouble building pgml from the source. I am following [the developer guide](https://postgresml.org/docs/guides/setup/developers). When I run the unit tests with `cargo pgrx test`, I get the error...

added nature article about drug discovery with explainable ai

Implementation for regex_instr

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## Which issue does this PR close? - Closes #13009 ## Rationale for this change Implements a regex SQL standard function in datafusion ## What changes are included in this...