On 5/22/07, cedric <[EMAIL PROTECTED]> wrote:
I made something very similar, and using PL/pgsql is very slow, when using
perl is very quick.
Another solution is to use tsearch2 for that:
CREATE TABLE word_counts AS SELECT * FROM stat('SELECT
to_tsvector(''simple'', lower(coalesce(field containing words, '''')))
FROM your table');
I don't know if the fact you have an array of words is a must have or
just a design choice. If you have to keep that, you can transform the
array easily into a string with array_to_string and use the same sort
of query.
I don't know what are exactly your speed requirements but it's quite
fast here. If you drop your table and recreate it into a transaction,
it should work like a charm (or you can use TRUNCATE and INSERT INTO).
--
Guillaume
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