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|
CREATE TABLE testweight_rum( t text, a tsvector, r text );
CREATE FUNCTION fill_weight_trigger() RETURNS trigger AS $$
begin
new.a :=
setweight(to_tsvector('pg_catalog.english', coalesce(new.r,'')), 'A') ||
setweight(to_tsvector('pg_catalog.english', coalesce(new.t,'')), 'D');
return new;
end
$$ LANGUAGE plpgsql;
CREATE TRIGGER tsvectorweightupdate
BEFORE INSERT OR UPDATE ON testweight_rum
FOR EACH ROW EXECUTE PROCEDURE fill_weight_trigger();
CREATE INDEX rumidx_weight ON testweight_rum USING rum (a rum_tsvector_ops);
\copy testweight_rum(t,r) from 'data/rum_weight.data' DELIMITER '|' ;
SET enable_seqscan=off;
SET enable_indexscan=off;
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'ever:A|wrote');
count
-------
1
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'have:A&wish:DAC');
count
-------
1
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'have:A&wish:DAC');
count
-------
1
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'among:ABC');
count
-------
0
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'structure:D&ancient:BCD');
count
-------
1
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', '(complimentary:DC|sight)&(sending:ABC|heart)');
count
-------
2
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', '!gave:D & way');
count
-------
3
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', '(go<->go:a)&(think:d<->go)');
count
-------
0
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', '(go<->go:a)&(think:d<2>go)');
count
-------
1
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'go & (!reach:a | way<->reach)');
count
-------
2
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'go & (!reach:a & way<->reach)');
count
-------
0
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'reach:d & go & !way:a');
count
-------
1
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'show:d & seem & !town:a');
count
-------
1
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', '!way:a');
count
-------
52
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'go & !way:a');
count
-------
2
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'reach:d & !way:a');
count
-------
1
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'reach:d & go');
count
-------
1
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'think<->go:d | go<->see');
count
-------
1
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'reach:d<->think');
count
-------
0
(1 row)
SELECT count(*) FROM testweight_rum WHERE a @@ to_tsquery('pg_catalog.english', 'reach<->think');
count
-------
1
(1 row)
|
