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Resurrect the code for the rewrite(ARRAY[...]) aggregate function,

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and put it into contrib/tsearch2 compatibility module.
This commit is contained in:
Tom Lane
2007-11-13 22:14:50 +00:00
parent abd183e4e7
commit 4394c1b09c
6 changed files with 253 additions and 28 deletions
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18
contrib/tsearch2/sql/tsearch2.sql
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@ -116,10 +116,21 @@ select rewrite('moscow', 'select keyword, sample from test_tsquery'::text );
select rewrite('moscow & hotel', 'select keyword, sample from test_tsquery'::text );
select rewrite('bar & new & qq & foo & york', 'select keyword, sample from test_tsquery'::text );
select rewrite( ARRAY['moscow', keyword, sample] ) from test_tsquery;
select rewrite( ARRAY['moscow & hotel', keyword, sample] ) from test_tsquery;
select rewrite( ARRAY['bar & new & qq & foo & york', keyword, sample] ) from test_tsquery;
select keyword from test_tsquery where keyword @> 'new';
select keyword from test_tsquery where keyword @> 'moscow';
select keyword from test_tsquery where keyword <@ 'new';
select keyword from test_tsquery where keyword <@ 'moscow';
select rewrite( ARRAY[query, keyword, sample] ) from test_tsquery, to_tsquery('english', 'moscow') as query where keyword <@ query;
select rewrite( ARRAY[query, keyword, sample] ) from test_tsquery, to_tsquery('english', 'moscow & hotel') as query where keyword <@ query;
select rewrite( ARRAY[query, keyword, sample] ) from test_tsquery, to_tsquery('english', 'bar & new & qq & foo & york') as query where keyword <@ query;
select rewrite( ARRAY[query, keyword, sample] ) from test_tsquery, to_tsquery('english', 'moscow') as query where query @> keyword;
select rewrite( ARRAY[query, keyword, sample] ) from test_tsquery, to_tsquery('english', 'moscow & hotel') as query where query @> keyword;
select rewrite( ARRAY[query, keyword, sample] ) from test_tsquery, to_tsquery('english', 'bar & new & qq & foo & york') as query where query @> keyword;
create index qq on test_tsquery using gist (keyword gist_tp_tsquery_ops);
set enable_seqscan='off';
@ -128,7 +139,12 @@ select keyword from test_tsquery where keyword @> 'new';
select keyword from test_tsquery where keyword @> 'moscow';
select keyword from test_tsquery where keyword <@ 'new';
select keyword from test_tsquery where keyword <@ 'moscow';
select rewrite( ARRAY[query, keyword, sample] ) from test_tsquery, to_tsquery('english', 'moscow') as query where keyword <@ query;
select rewrite( ARRAY[query, keyword, sample] ) from test_tsquery, to_tsquery('english', 'moscow & hotel') as query where keyword <@ query;
select rewrite( ARRAY[query, keyword, sample] ) from test_tsquery, to_tsquery('english', 'bar & new & qq & foo & york') as query where keyword <@ query;
select rewrite( ARRAY[query, keyword, sample] ) from test_tsquery, to_tsquery('english', 'moscow') as query where query @> keyword;
select rewrite( ARRAY[query, keyword, sample] ) from test_tsquery, to_tsquery('english', 'moscow & hotel') as query where query @> keyword;
select rewrite( ARRAY[query, keyword, sample] ) from test_tsquery, to_tsquery('english', 'bar & new & qq & foo & york') as query where query @> keyword;
set enable_seqscan='on';