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Text parser rewritten:

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- supports multibyte encodings
        - more strict rules for lexemes
        - flex isn't used
Add:
        - tsquery plainto_tsquery(text)
          Function makes tsquery from plain text.
        - &&, ||, !! operation for tsquery for combining
          tsquery from it's parts:  'foo & bar' || 'asd' => 'foo & bar | asd'
This commit is contained in:
Teodor Sigaev
2005-11-21 12:27:57 +00:00
parent b91e6ed93e
commit c52795d18a
15 changed files with 1613 additions and 424 deletions
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7
contrib/tsearch2/sql/tsearch2.sql
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@ -173,6 +173,13 @@ select to_tsquery('default', 'asd&(and|fghj)');
select to_tsquery('default', '(asd&and)|fghj');
select to_tsquery('default', '(asd&!and)|fghj');
select to_tsquery('default', '(the|and&(i&1))&fghj');
select plainto_tsquery('default', 'the and z 1))& fghj');
select plainto_tsquery('default', 'foo bar') && plainto_tsquery('default', 'asd');
select plainto_tsquery('default', 'foo bar') || plainto_tsquery('default', 'asd fg');
select plainto_tsquery('default', 'foo bar') || !!plainto_tsquery('default', 'asd fg');
select plainto_tsquery('default', 'foo bar') && 'asd | fg';
select 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & ca';
select 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & ca:B';
select 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & ca:A';