GdT programmation / séminaire IRILL / séminaire APR


Language-integrated queries: a BOLDR approach

Thursday, December 14, 2017
Speaker(s) : Julien LOPEZ (LRI - université Paris sud)

We present BOLDR, a modular framework that enables the evalu- ation in databases of queries containing application logic and, in particular, user-defined functions. BOLDR also allows the nesting of queries for different databases of possibly different data models. The framework detects the boundaries of queries present in an application, translates them into an intermediate representation together with the relevant language environment, rewrites them in order to avoid query avalanches and to make the most out of data- base optimizations, and converts the results back to the application. Our experiments show that the techniques we implemented are ap- plicable to real-world database applications, successfully handling a variety of language-integrated queries with good performances.

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Emmanuel.Chailloux (at)