Don't Keep My UDFs Hostage - Exporting UDFs For Debugging Purposes

Pedro HolandaMark RaasveldtMartin Kersten

User-defined functions (UDFs) are an integral part of performing in-database analytics. Executing data analysis inside a database provides significant improvements over traditional methods, such as close-to-the-data execution, low conversion overhead and automatic parallelization. However, UDFshave poor support for debugging. Since they are executed from within thedatabase process, traditional debugging tools such as Integrated DevelopmentEnvironments (IDEs) and Read-Eval-Print Loops (REPLs) cannot be used during development. As a result, writing functional UDFs is challenging. In this paper, we present an extension to the open-source database system MonetDB thatallows developers to debug their UDFs using modern debugging techniques.

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Biblioteca Digital Brasileira de Computação - Contato:
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