My question is (and I've raised this topic back in September, but didn't get back to it since), does anyone have a free/commercial add-on for SQLite v3 to perform on-the-fly compression/decompression of data, preferably on a field level (compress just one of the fields, not the whole table)?

Related to this I would love to see reference counting of values. For example if I add the string "foobar" in 27 different places, it only gets stored once with a reference count of 27.

There are various places that have done compression:

 http://www.sqliteplus.com/

There is also mention of compression at

 http://www.hwaci.com/sw/sqlite/prosupport.html

If you are working on a commercial product and SQLite has made your
product better and/or improved your development process then it is
fair and worthwhile to pay for that.


Roger

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