Headline

A Technology:LogicBlox-based implementation that makes good use of Language:DatalogLB modules

Motivation

This is a fully modularized variation on Contribution:basicLb. There are modules for the schema, the instance, the query for totaling salaries, the transformation for cutting salaries. The modules for query and transformation use inactive blocks. Technology:LogicBlox also enables modularity and separate compilation for basic Language:DatalogLB files; see Contribution:projectLb for an illustration. The present implementation uses proper module syntax though; each module declares explicitly the module and visibility of declarations and rules.

Architecture

The implementation consists of these modules:

  • oneOone/Schema.logic: the schema for companies
  • oneOone/Instance.logic: the Acme company (and another company for testing)
  • oneOone/total.logic: the query for totaling salaries
  • oneOone/cut.logic: the delta for cutting salaries
There are these additional files:
  • modularLb.project: LogicBlox project description
  • Makefile: script for running the implementation
  • baseline: baseline for regression testing

Usage

Tested with Technology:LogicBlox 3.7.

This implementation requires that lb-services is running.

Run "make" for a self-testing illustration.

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    For you are available next options:

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