Projects / ModSQL

ModSQL

ModSQL is a project whose goal is to develop a modular SQL engine that can be grafted onto any raw database (such as a large flat ASCII file). ModSQL is a JDBC driver that will parse SQL queries and execute them by calling third-party database modules. The database module API is designed such that writing database modules is much easier than writing an entire RDBMS.

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Recent releases

  •  18 Feb 2003 23:26

    Release Notes: New features in this release include using arbitrary Java Objects for rowids, JOIN syntax, using SELECT aliases in the HAVING section, and null/true/false rewriting in client software. For AsciiDatabase, there is now a filter to fix 2-digit years (Y2K fix), field descriptions can be included in the config file, and delimited data files are supported. Performance improvements have been made to AsciiDatabase, to the performance of "column IN (...)", and to index lookups. Other minor changes and bug fixes are included as well.

    •  25 Jan 2000 06:38

      Release Notes: better organization of config files, improved boolean short-circuit optimization, DummyDatabase rewritten as SampleDatabase with a more general design for in-memory tables, other minor changes and bug fixes

      •  02 Nov 1999 22:13

        Release Notes: First public release.

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