A Generic Language for Query and Viewtype Generation By-Example

Supplementary material for the VOSE 2019 publication by Christopher Werner, Manuel Wimmer, and Uwe Aßmann.

The repository shows the creation of queries with a by-example mechanism on the AML metamodel excerpt from the paper.

Combination of RSUM and RSYNC including the query by-example approach.

Installation

Needs the SCROLL Scala Library as dependency and named in the build.sbt document.

Prerequisites

• Java SE Development Kit 8 or 9
• SBT (Scala Build Tool)
  • Version 0.13.* only with Java 1.8
  • from Version 1.* with Java 9
  • SBT sets its version in project/build.properties. Remove it if neccessary.

Get a Copy of this Repository

git clone https://git-st.inf.tu-dresden.de/cwerner/rsum

Setup your favorite IDE

• IntelliJ: use the built-in SBT importer.
• Eclipse: use the sbteclipse SBT plugin.

Running example

The Example folder contains the source code of the running example:

• ExampleAml.scala as start class that show the creation of eight queries.
• Creating of a result set for each query from the instance model that is created before.
• Creation of ModelJoin representations for each query.