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favor a perfect match
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This commit is contained in:
Pierre Ducroquet 2024-02-28 17:37:32 +01:00
parent 311a3b403e
commit b6fbb639ec
1 changed files with 4 additions and 2 deletions
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6
wcs/sql.py
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@ -1718,9 +1718,11 @@ with
tokenized as (select unnest(regexp_split_to_array($1, '\s+')) w),
super_tokenized as (
select w,
coalesce(tsquery_agg_or(plainto_tsquery(token) order by token <-> w desc), plainto_tsquery(w)) tokens
coalesce((select plainto_tsquery(perfect.token) from wcs_search_tokens perfect where perfect.token = plainto_tsquery(w)::text),
tsquery_agg_or(plainto_tsquery(partial.token) order by partial.token <-> w desc),
plainto_tsquery(w)) tokens
from tokenized
left join wcs_search_tokens on token % w and w not similar to '%[0-9]{2,}%'
left join wcs_search_tokens partial on partial.token % w and w not similar to '%[0-9]{2,}%'
group by w)
select tsquery_agg_and(tokens) from super_tokenized;
$function$;""")