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GIN: Generalized Inverted iNdex.

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text[], int4[], Tsearch2 support for GIN.
This commit is contained in:
Teodor Sigaev
2006-05-02 11:28:56 +00:00
parent 427c6b5b98
commit 8a3631f8d8
49 changed files with 5871 additions and 50 deletions
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11
contrib/tsearch2/sql/tsearch2.sql
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@ -363,3 +363,14 @@ select * from ts_debug('Tsearch module for PostgreSQL 7.3.3');
insert into test_tsvector values (null, null);
select a is null, a from test_tsvector order by a;
drop index wowidx;
create index wowidx on test_tsvector using gin (a);
set enable_seqscan=off;
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr|qh';
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr&qh';
SELECT count(*) FROM test_tsvector WHERE a @@ 'eq&yt';
SELECT count(*) FROM test_tsvector WHERE a @@ 'eq|yt';
SELECT count(*) FROM test_tsvector WHERE a @@ '(eq&yt)|(wr&qh)';
SELECT count(*) FROM test_tsvector WHERE a @@ '(eq|yt)&(wr|qh)';