Draxler's Prolog to SQL Compiler

This modules is an extension of version 1.1 (Dec 21st 1992) of the Prolog to SQL compiler written by Christoph Draxler of the Univeristy of Munich.

It was modified by Chris Mungall to be compatible with SWI-Prolog and extended to support:

• MySQL specific column types
• SELECT DISTINCT
• query rewriting for optimization
• additional comparison operators

Permission has been granted by the original author to distribute this software using the same license as SWI-Prolog.

The original author can be contacted at this address:

Christoph Draxler CIS Centre for Information and Speech Processing Ludwig-Maximilians-University Munich Wagmuellerstr. 23 D 80538 Munich Tel : ++49 / +89 / 211 06 64 (-60) Fax : ++49 / +89 / 211 06 74 Mail: draxler@cis.uni-muenchen.de