Greg Stark <gsst...@mit.edu> writes:
> On Fri, Dec 3, 2010 at 4:50 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
>> Even if you're willing to
>> assume that the dictionary being used is the one defined by this
>> module, that dictionary depends on external configuration files
>> which are easily changeable.
> Don't we have precedent for this in assuming that things like tsearch
> dictionaries and parsers and system locales don't change underneath
> us?
The precedent is to assume such things are stable, not immutable.
Even if you want to assume that, the implementation of unaccent(text) is
such that its results depend on search_path, which is *definitely* not
acceptable for an immutable function. It would need a better way of
tying the function to the dictionary.
regards, tom lane
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