https://bugzilla.wikimedia.org/show_bug.cgi?id=10808
Janus Troelsen <ysang...@gmail.com> changed:
What |Removed |Added
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CC| |ysang...@gmail.com
--- Comment #23 from Janus Troelsen <ysang...@gmail.com> ---
There is at least some DB support for doing this efficiently.
In PostgreSQL, since 9.1, there is a built-in function for reversing strings:
http://www.postgresql.org/docs/9.2/static/functions-string.html
In 9.0 and earlier, the function can be built in PL/pgSQL (search for it :)
It is also possible to build indexes on expressions at least since 7.4:
http://www.postgresql.org/docs/7.4/static/indexes-expressional.html (didn't
find any older documentation)
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