Thank you for sharing your thoughts!
2016-10-12 15:08 GMT+03:00 Emre Hasegeli <e...@hasegeli.com>:
> However then the stemmer doesn't do a good job on those words, because
> the changed characters are important for the language. What I really
> needed was something like this:
>> ALTER TEXT SEARCH CONFIGURATION turkish
>> ALTER MAPPING FOR asciiword, asciihword, hword_asciipart, word, hword,
>> WITH (fix_mistyped_characters AND (turkish_hunspell OR turkish_stem) AND
Your syntax looks more flexible and prettier than with JOIN option. As
I understand there are three steps here. On each step a dictionary
return a lexeme and pass it to next dictionary. If dictionary return
NULL then the processing will interrupt.
With such syntax we also don't need the TSL_FILTER flag for lexeme. At
the current time unaccent extension set this flag to pass a lexeme to
a next dictionary. This flag is used by the text-search parser. It
looks like a hard coded solution. User can't change this behaviour.
Maybe also better to use -> instead of AND? AND would has another
behaviour. I could create the following configuration:
=> ALTER TEXT SEARCH CONFIGURATION multi_conf
ALTER MAPPING FOR asciiword, asciihword, hword_asciipart,
word, hword, hword_part
WITH (german_ispell AND english_ispell) OR simple;
which will return both german_ispell and english_ispell results. But
I'm not sure that this is a good solution.
Of course if this syntax will be implemented, old syntax with commas
also should be maintained.
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