I am reposting this because I'm not sure it actually
made it to the list.
I have a function to transform text into a
pseudo-metaphone variable, take this example:
cddbsql=# select song, metatext(song) from cdsongs
where metatext(song) like metatext('born to run')
limit 3 ; song | metatext
-------------+----------Born To Run | brntornBorn To Run | brntornBorn To Run | brntorn
(3 rows)
Here is the problem: Depending on whether there is an
index or not, 'like' behaves differently. Here is a
transcript:
cddbsql=# select song, metatext(song) from cdsongs
where metatext(song) like metatext('born to run')
limit 1 ; song | metatext
-------------+----------Born To Run | brntorn
(1 row)
cddbsql=# create index cdsongs_meta_song on cdsongs
(metatext(song)) ;
CREATE
cddbsql=# select song, metatext(song) from cdsongs
where metatext(song) like metatext('born to run')
limit 1 ;song | metatext
------+----------
(0
rows)
This happens in both 7.0 and
7.1.
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