Quelle tsearch.out
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-- directory paths are passed to us in environment variables
\getenv abs_srcdir PG_ABS_SRCDIR
--
-- Sanity checks for text search catalogs
--
-- NB: we assume the oidjoins test will have caught any dangling links,
-- that is OID or REGPROC fields that are not zero and do not match some
-- row in the linked-to table. However, if we want to enforce that a link
-- field can't be 0, we have to check it here.
-- Find unexpected zero link entries
SELECT oid, prsname
FROM pg_ts_parser
WHERE prsnamespace = 0 OR prsstart = 0 OR prstoken = 0 OR prsend = 0 OR
-- prsheadline is optional
prslextype = 0;
oid | prsname
-----+---------
( 0 rows)
SELECT oid, dictname
FROM pg_ts_dict
WHERE dictnamespace = 0 OR dictowner = 0 OR dicttemplate = 0;
oid | dictname
-----+----------
( 0 rows)
SELECT oid, tmplname
FROM pg_ts_template
WHERE tmplnamespace = 0 OR tmpllexize = 0; -- tmplinit is optional
oid | tmplname
-----+----------
( 0 rows)
SELECT oid, cfgname
FROM pg_ts_config
WHERE cfgnamespace = 0 OR cfgowner = 0 OR cfgparser = 0;
oid | cfgname
-----+---------
( 0 rows)
SELECT mapcfg, maptokentype, mapseqno
FROM pg_ts_config_map
WHERE mapcfg = 0 OR mapdict = 0;
mapcfg | maptokentype | mapseqno
--------+--------------+----------
( 0 rows)
-- Look for pg_ts_config_map entries that aren't one of parser's token types
SELECT * FROM
( SELECT oid AS cfgid, (ts_token_type(cfgparser)).tokid AS tokid
FROM pg_ts_config ) AS tt
RIGHT JOIN pg_ts_config_map AS m
ON (tt.cfgid=m.mapcfg AND tt.tokid=m.maptokentype)
WHERE
tt.cfgid IS NULL OR tt.tokid IS NULL;
cfgid | tokid | mapcfg | maptokentype | mapseqno | mapdict
-------+-------+--------+--------------+----------+---------
( 0 rows)
-- Load some test data
CREATE TABLE test_tsvector(
t text,
a tsvector
);
\set filename :abs_srcdir '/data/tsearch.data'
COPY test_tsvector FROM :'filename';
ANALYZE test_tsvector;
-- test basic text search behavior without indexes, then with
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr|qh';
count
-------
158
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr&qh';
count
-------
17
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'eq&yt';
count
-------
6
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'eq|yt';
count
-------
98
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '(eq&yt)|(wr&qh)';
count
-------
23
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '(eq|yt)&(wr|qh)';
count
-------
39
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'w:*|q:*';
count
-------
494
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ any ('{wr,qh}');
count
-------
158
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'no_such_lexeme';
count
-------
0
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!no_such_lexeme';
count
-------
508
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'pl <-> yh';
count
-------
1
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'yh <-> pl';
count
-------
0
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'qe < 2> qt';
count
-------
1
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!pl <-> yh';
count
-------
3
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!pl <-> !yh';
count
-------
432
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!yh <-> pl';
count
-------
1
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!qe < 2> qt';
count
-------
6
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(pl <-> yh)';
count
-------
507
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(yh <-> pl)';
count
-------
508
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(qe < 2> qt)';
count
-------
507
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wd:A';
count
-------
56
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wd:D';
count
-------
58
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!wd:A';
count
-------
452
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!wd:D';
count
-------
450
( 1 row)
create index wowidx on test_tsvector using gist (a);
SET enable_seqscan=OFF;
SET enable_indexscan=ON;
SET enable_bitmapscan=OFF;
explain (costs off) SELECT count(*) FROM test_tsvector WHERE a @@ 'wr|qh';
QUERY PLAN
-------------------------------------------------------
Aggregate
-> Index Scan using wowidx on test_tsvector
Index Cond: (a @@ '''wr'' | ''qh'''::tsquery)
( 3 rows)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr|qh';
count
-------
158
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr&qh';
count
-------
17
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'eq&yt';
count
-------
6
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'eq|yt';
count
-------
98
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '(eq&yt)|(wr&qh)';
count
-------
23
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '(eq|yt)&(wr|qh)';
count
-------
39
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'w:*|q:*';
count
-------
494
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ any ('{wr,qh}');
count
-------
158
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'no_such_lexeme';
count
-------
0
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!no_such_lexeme';
count
-------
508
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'pl <-> yh';
count
-------
1
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'yh <-> pl';
count
-------
0
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'qe < 2> qt';
count
-------
1
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!pl <-> yh';
count
-------
3
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!pl <-> !yh';
count
-------
432
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!yh <-> pl';
count
-------
1
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!qe < 2> qt';
count
-------
6
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(pl <-> yh)';
count
-------
507
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(yh <-> pl)';
count
-------
508
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(qe < 2> qt)';
count
-------
507
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wd:A';
count
-------
56
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wd:D';
count
-------
58
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!wd:A';
count
-------
452
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!wd:D';
count
-------
450
( 1 row)
SET enable_indexscan=OFF;
SET enable_bitmapscan=ON;
explain (costs off) SELECT count(*) FROM test_tsvector WHERE a @@ 'wr|qh';
QUERY PLAN
-------------------------------------------------------------
Aggregate
-> Bitmap Heap Scan on test_tsvector
Recheck Cond: (a @@ '''wr'' | ''qh'''::tsquery)
-> Bitmap Index Scan on wowidx
Index Cond: (a @@ '''wr'' | ''qh'''::tsquery)
( 5 rows)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr|qh';
count
-------
158
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr&qh';
count
-------
17
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'eq&yt';
count
-------
6
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'eq|yt';
count
-------
98
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '(eq&yt)|(wr&qh)';
count
-------
23
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '(eq|yt)&(wr|qh)';
count
-------
39
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'w:*|q:*';
count
-------
494
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ any ('{wr,qh}');
count
-------
158
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'no_such_lexeme';
count
-------
0
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!no_such_lexeme';
count
-------
508
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'pl <-> yh';
count
-------
1
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'yh <-> pl';
count
-------
0
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'qe < 2> qt';
count
-------
1
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!pl <-> yh';
count
-------
3
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!pl <-> !yh';
count
-------
432
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!yh <-> pl';
count
-------
1
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!qe < 2> qt';
count
-------
6
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(pl <-> yh)';
count
-------
507
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(yh <-> pl)';
count
-------
508
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(qe < 2> qt)';
count
-------
507
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wd:A';
count
-------
56
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wd:D';
count
-------
58
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!wd:A';
count
-------
452
( 1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!wd:D';
count
-------
450
( 1 row)
-- Test siglen parameter of GiST tsvector_ops
CREATE INDEX wowidx1 ON test_tsvector USING gist (a tsvector_ops(foo= 1));
ERROR: unrecognized parameter "foo"
CREATE INDEX wowidx1 ON test_tsvector USING gist (a tsvector_ops(siglen= 0));
ERROR: value 0 out of bounds for option "siglen"
DETAIL: Valid values are between " 1" and " 2024".
CREATE INDEX wowidx1 ON test_tsvector USING gist (a tsvector_ops(siglen= 2048));
ERROR: value 2048 out of bounds for option "siglen"
DETAIL: Valid values are between " 1" and " 2024".
CREATE INDEX wowidx1 ON test_tsvector USING gist (a tsvector_ops(siglen= 100,foo='bar'));
ERROR: unrecognized parameter "foo"
CREATE INDEX wowidx1 ON test_tsvector USING gist (a tsvector_ops(siglen= 100, siglen = 200)) ;
ERROR: parameter "siglen" specified more than once
CREATE INDEX wowidx2 ON test_tsvector USING gist (a tsvector_ops(siglen=1));
\d test_tsvector
Table "public.test_tsvector"
Column | Type | Collation | Nullable | Default
--------+----------+-----------+----------+---------
t | text | | |
a | tsvector | | |
Indexes:
"wowidx" gist (a)
"wowidx2" gist (a tsvector_ops (siglen='1'))
DROP INDEX wowidx;
EXPLAIN (costs off) SELECT count(*) FROM test_tsvector WHERE a @@ 'wr|qh';
QUERY PLAN
-------------------------------------------------------------
Aggregate
-> Bitmap Heap Scan on test_tsvector
Recheck Cond: (a @@ '''wr'' | ''qh'''::tsquery)
-> Bitmap Index Scan on wowidx2
Index Cond: (a @@ '''wr'' | ''qh'''::tsquery)
(5 rows)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr|qh';
count
-------
158
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr&qh';
count
-------
17
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'eq&yt';
count
-------
6
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'eq|yt';
count
-------
98
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '(eq&yt)|(wr&qh)';
count
-------
23
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '(eq|yt)&(wr|qh)';
count
-------
39
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'w:*|q:*';
count
-------
494
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ any ('{wr,qh}');
count
-------
158
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'no_such_lexeme';
count
-------
0
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!no_such_lexeme';
count
-------
508
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'pl <-> yh';
count
-------
1
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'yh <-> pl';
count
-------
0
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'qe <2> qt';
count
-------
1
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!pl <-> yh';
count
-------
3
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!pl <-> !yh';
count
-------
432
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!yh <-> pl';
count
-------
1
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!qe <2> qt';
count
-------
6
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(pl <-> yh)';
count
-------
507
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(yh <-> pl)';
count
-------
508
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(qe <2> qt)';
count
-------
507
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wd:A';
count
-------
56
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wd:D';
count
-------
58
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!wd:A';
count
-------
452
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!wd:D';
count
-------
450
(1 row)
DROP INDEX wowidx2;
CREATE INDEX wowidx ON test_tsvector USING gist (a tsvector_ops(siglen=484));
\d test_tsvector
Table "public.test_tsvector"
Column | Type | Collation | Nullable | Default
--------+----------+-----------+----------+---------
t | text | | |
a | tsvector | | |
Indexes:
"wowidx" gist (a tsvector_ops (siglen='484'))
EXPLAIN (costs off) SELECT count(*) FROM test_tsvector WHERE a @@ 'wr|qh';
QUERY PLAN
-------------------------------------------------------------
Aggregate
-> Bitmap Heap Scan on test_tsvector
Recheck Cond: (a @@ '''wr'' | ''qh'''::tsquery)
-> Bitmap Index Scan on wowidx
Index Cond: (a @@ '''wr'' | ''qh'''::tsquery)
(5 rows)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr|qh';
count
-------
158
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr&qh';
count
-------
17
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'eq&yt';
count
-------
6
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'eq|yt';
count
-------
98
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '(eq&yt)|(wr&qh)';
count
-------
23
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '(eq|yt)&(wr|qh)';
count
-------
39
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'w:*|q:*';
count
-------
494
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ any ('{wr,qh}');
count
-------
158
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'no_such_lexeme';
count
-------
0
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!no_such_lexeme';
count
-------
508
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'pl <-> yh';
count
-------
1
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'yh <-> pl';
count
-------
0
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'qe <2> qt';
count
-------
1
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!pl <-> yh';
count
-------
3
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!pl <-> !yh';
count
-------
432
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!yh <-> pl';
count
-------
1
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!qe <2> qt';
count
-------
6
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(pl <-> yh)';
count
-------
507
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(yh <-> pl)';
count
-------
508
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(qe <2> qt)';
count
-------
507
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wd:A';
count
-------
56
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wd:D';
count
-------
58
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!wd:A';
count
-------
452
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!wd:D';
count
-------
450
(1 row)
RESET enable_seqscan;
RESET enable_indexscan;
RESET enable_bitmapscan;
DROP INDEX wowidx;
ALTER TABLE test_tsvector SET (parallel_workers = 2);
CREATE INDEX wowidx ON test_tsvector USING gin (a);
SET enable_seqscan=OFF;
-- GIN only supports bitmapscan, so no need to test plain indexscan
explain (costs off) SELECT count(*) FROM test_tsvector WHERE a @@ 'wr|qh';
QUERY PLAN
-------------------------------------------------------------
Aggregate
-> Bitmap Heap Scan on test_tsvector
Recheck Cond: (a @@ '''wr'' | ''qh'''::tsquery)
-> Bitmap Index Scan on wowidx
Index Cond: (a @@ '''wr'' | ''qh'''::tsquery)
(5 rows)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr|qh';
count
-------
158
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr&qh';
count
-------
17
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'eq&yt';
count
-------
6
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'eq|yt';
count
-------
98
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '(eq&yt)|(wr&qh)';
count
-------
23
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '(eq|yt)&(wr|qh)';
count
-------
39
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'w:*|q:*';
count
-------
494
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ any ('{wr,qh}');
count
-------
158
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'no_such_lexeme';
count
-------
0
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!no_such_lexeme';
count
-------
508
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'pl <-> yh';
count
-------
1
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'yh <-> pl';
count
-------
0
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'qe <2> qt';
count
-------
1
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!pl <-> yh';
count
-------
3
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!pl <-> !yh';
count
-------
432
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!yh <-> pl';
count
-------
1
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!qe <2> qt';
count
-------
6
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(pl <-> yh)';
count
-------
507
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(yh <-> pl)';
count
-------
508
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!(qe <2> qt)';
count
-------
507
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wd:A';
count
-------
56
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wd:D';
count
-------
58
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!wd:A';
count
-------
452
(1 row)
SELECT count(*) FROM test_tsvector WHERE a @@ '!wd:D';
count
-------
450
(1 row)
-- Test optimization of non-empty GIN_SEARCH_MODE_ALL queries
EXPLAIN (COSTS OFF)
SELECT count(*) FROM test_tsvector WHERE a @@ '!qh';
QUERY PLAN
-----------------------------------------------------
Aggregate
-> Bitmap Heap Scan on test_tsvector
Recheck Cond: (a @@ '!''qh'''::tsquery)
-> Bitmap Index Scan on wowidx
Index Cond: (a @@ '!''qh'''::tsquery)
(5 rows)
SELECT count(*) FROM test_tsvector WHERE a @@ '!qh';
count
-------
410
(1 row)
EXPLAIN (COSTS OFF)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr' AND a @@ '!qh';
QUERY PLAN
------------------------------------------------------------------------------------
Aggregate
-> Bitmap Heap Scan on test_tsvector
Recheck Cond: ((a @@ '''wr'''::tsquery) AND (a @@ '!''qh'''::tsquery))
-> Bitmap Index Scan on wowidx
Index Cond: ((a @@ '''wr'''::tsquery) AND (a @@ '!''qh'''::tsquery))
(5 rows)
SELECT count(*) FROM test_tsvector WHERE a @@ 'wr' AND a @@ '!qh';
count
-------
60
(1 row)
RESET enable_seqscan;
INSERT INTO test_tsvector VALUES ('???', 'DFG:1A,2B,6C,10 FGH');
SELECT * FROM ts_stat('SELECT a FROM test_tsvector') ORDER BY ndoc DESC, nentry DESC, word LIMIT 10;
word | ndoc | nentry
------+------+--------
qq | 108 | 108
qt | 102 | 102
qe | 100 | 101
qh | 98 | 99
qw | 98 | 98
qa | 97 | 97
ql | 94 | 94
qs | 94 | 94
qr | 92 | 93
qi | 92 | 92
(10 rows)
SELECT * FROM ts_stat('SELECT a FROM test_tsvector', 'AB') ORDER BY ndoc DESC, nentry DESC, word;
word | ndoc | nentry
------+------+--------
DFG | 1 | 2
(1 row)
--dictionaries and to_tsvector
SELECT ts_lexize('english_stem', 'skies');
ts_lexize
-----------
{sky}
(1 row)
SELECT ts_lexize('english_stem', 'identity');
ts_lexize
-----------
{ident}
(1 row)
SELECT * FROM ts_token_type('default');
tokid | alias | description
-------+-----------------+------------------------------------------
1 | asciiword | Word, all ASCII
2 | word | Word, all letters
3 | numword | Word, letters and digits
4 | email | Email address
5 | url | URL
6 | host | Host
7 | sfloat | Scientific notation
8 | version | Version number
9 | hword_numpart | Hyphenated word part, letters and digits
10 | hword_part | Hyphenated word part, all letters
11 | hword_asciipart | Hyphenated word part, all ASCII
12 | blank | Space symbols
13 | tag | XML tag
14 | protocol | Protocol head
15 | numhword | Hyphenated word, letters and digits
16 | asciihword | Hyphenated word, all ASCII
17 | hword | Hyphenated word, all letters
18 | url_path | URL path
19 | file | File or path name
20 | float | Decimal notation
21 | int | Signed integer
22 | uint | Unsigned integer
23 | entity | XML entity
(23 rows)
SELECT * FROM ts_parse('default', '345 qwe@efd.r '' http://www.com/ http://aew.werc.ewr/?ad=qwe&dw 1aew.werc.ewr/?ad=qwe&dw 2aew.werc.ewr http://3aew.werc.ewr/?ad=qwe&dw http://4aew.werc.ewr http://5aew.werc.ewr:8100/? ad=qwe&dw 6aew.werc.ewr:8100/?ad=qwe&dw 7aew.werc.ewr:8100/?ad=qwe&dw=%20%32 +4.0e-10 qwe qwe qwqwe 234.435 455 5.005 teodor@stack.net teodor@123-stack.net 123_teodor@stack.net 123-teodor@stack.net qwe-wer asdf <fr>qwer jf sdjk<we hjwer <werrwe> ewr1> ewri2 <a href="qwe<qwe>">
/usr/local/fff /awdf/dwqe/4325 rewt/ewr wefjn /wqe-324/ewr gist.h gist.h.c gist.c. readline 4.2 4.2. 4.2, readline-4.2 readline-4.2. 234
<i <b> wow < jqw <> qwerty');
tokid | token
-------+--------------------------------------
22 | 345
12 |
1 | qwe
12 | @
19 | efd.r
12 | '
14 | http://
6 | www.com
12 | /
14 | http://
5 | aew.werc.ewr/?ad=qwe&dw
6 | aew.werc.ewr
18 | /?ad=qwe&dw
12 |
5 | 1aew.werc.ewr/?ad=qwe&dw
6 | 1aew.werc.ewr
18 | /?ad=qwe&dw
12 |
6 | 2aew.werc.ewr
12 |
14 | http://
5 | 3aew.werc.ewr/?ad=qwe&dw
6 | 3aew.werc.ewr
18 | /?ad=qwe&dw
12 |
14 | http://
6 | 4aew.werc.ewr
12 |
14 | http://
5 | 5aew.werc.ewr:8100/?
6 | 5aew.werc.ewr:8100
18 | /?
12 |
1 | ad
12 | =
1 | qwe
12 | &
1 | dw
12 |
5 | 6aew.werc.ewr:8100/?ad=qwe&dw
6 | 6aew.werc.ewr:8100
18 | /?ad=qwe&dw
12 |
5 | 7aew.werc.ewr:8100/?ad=qwe&dw=%20%32
6 | 7aew.werc.ewr:8100
18 | /?ad=qwe&dw=%20%32
12 |
7 | +4.0e-10
12 |
1 | qwe
12 |
1 | qwe
12 |
1 | qwqwe
12 |
20 | 234.435
12 |
22 | 455
12 |
20 | 5.005
12 |
4 | teodor@stack.net
12 |
4 | teodor@123-stack.net
12 |
4 | 123_teodor@stack.net
12 |
4 | 123-teodor@stack.net
12 |
16 | qwe-wer
11 | qwe
12 | -
11 | wer
12 |
1 | asdf
12 |
13 | <fr>
1 | qwer
12 |
1 | jf
12 |
1 | sdjk
12 | <
1 | we
12 |
1 | hjwer
12 |
13 | <werrwe>
12 |
3 | ewr1
12 | >
3 | ewri2
12 |
13 | <a href="qwe<qwe>">
12 | +
|
19 | /usr/local/fff
12 |
19 | /awdf/dwqe/4325
12 |
19 | rewt/ewr
12 |
1 | wefjn
12 |
19 | /wqe-324/ewr
12 |
19 | gist.h
12 |
19 | gist.h.c
12 |
19 | gist.c
12 | .
1 | readline
12 |
20 | 4.2
12 |
20 | 4.2
12 | .
20 | 4.2
12 | ,
1 | readline
20 | -4.2
12 |
1 | readline
20 | -4.2
12 | .
22 | 234
12 | +
|
12 | <
1 | i
12 |
13 | <b>
12 |
1 | wow
12 |
12 | <
1 | jqw
12 |
12 | <>
1 | qwerty
(139 rows)
SELECT to_tsvector('english', '345 qwe@efd.r '' http://www.com/ http://aew.werc.ewr/?ad=qwe&dw 1aew.werc.ewr/?ad=qwe&dw 2aew.werc.ewr http://3aew.werc.ewr/?ad=qwe&dw ;http://4aew.werc.ewr http://5aew.werc.ewr:8100/? ad=qwe&dw 6aew.werc.ewr:8100/?ad=qwe&dw 7aew.werc.ewr:8100/?ad=qwe&dw=%20%32 +4.0e-10 qwe qwe qwqwe 234.435 455 5.005 teodor@stack.net teodor@123-stack.net 123_teodor@stack.net 123-teodor@stack.net qwe-wer asdf <fr>qwer jf sdjk<we hjwer <werrwe> ewr1> ewri2 <a href="qwe<qwe>">
/usr/local/fff /awdf/dwqe/4325 rewt/ewr wefjn /wqe-324/ewr gist.h gist.h.c gist.c. readline 4.2 4.2. 4.2, readline-4.2 readline-4.2. 234
<i <b> wow < jqw <> qwerty');
to_tsvector
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
'+4.0e-10':28 '-4.2':63,65 '/?':18 '/?ad=qwe&dw':7,10,14,24 '/?ad=qwe&dw=%20%32':27 '/awdf/dwqe/4325':51 '/usr/local/fff':50 '/wqe-324/ewr':54 '123-teodor@stack.net':38 '123_teodor@stack.net':37 '1aew.werc.ewr':9 '1aew.werc.ewr/?ad=qwe&dw':8 '234':66 '234.435':32 '2aew.werc.ewr':11 '345':1 '3aew.werc.ewr':13 '3aew.werc.ewr/?ad=qwe&dw':12 '4.2':59,60,61 '455':33 '4aew.werc.ewr':15 '5.005':34 '5aew.werc.ewr:8100':17 '5aew.werc.ewr:8100/?':16 '6aew.werc.ewr:8100':23 '6aew.werc.ewr:8100/?ad=qwe&dw':22 '7aew.werc.ewr:8100':26 '7aew.werc.ewr:8100/?ad=qwe&dw=%20%32':25 'ad':19 'aew.werc.ewr':6 'aew.werc.ewr/?ad=qwe&dw':5 'asdf':42 'dw':21 'efd.r':3 'ewr1':48 'ewri2':49 'gist.c':57 'gist.h':55 'gist.h.c':56 'hjwer':47 'jf':44 'jqw':69 'qwe':2,20,29,30,40 'qwe-wer':39 'qwer':43 'qwerti':70 'qwqwe':31 'readlin':58,62,64 'rewt/ewr':52 'sdjk':45 'teodor@123-stack.net':36 'teodor@stack.net':35 'wefjn':53 'wer':41 'wow':68 'www.com':4
(1 row)
SELECT length(to_tsvector('english', '345 qwe@efd.r '' http://www.com/ http://aew.werc.ewr/?ad=qwe&dw 1aew.werc.ewr/?ad=qwe&dw 2aew.werc.ewr http://3aew.werc.ewr/?ad=qwe&dw http://4aew.werc.ewr http://5aew.werc.ewr:8100/? ad=qwe&dw 6aew.werc.ewr:8100/?ad=qwe&dw 7aew.werc.ewr:8100/?ad=qwe&dw=%20%32 +4.0e-10 qwe qwe qwqwe 234.435 455 5.005 teodor@stack.net teodor@123-stack.net 123_teodor@stack.net 123-teodor@stack.net qwe-wer asdf <fr>qwer jf sdjk<we hjwer <werrwe> ewr1> ewri2 <a href="qwe<qwe>">
/usr/local/fff /awdf/dwqe/4325 rewt/ewr wefjn /wqe-324/ewr gist.h gist.h.c gist.c. readline 4.2 4.2. 4.2, readline-4.2 readline-4.2. 234
<i <b> wow < jqw <> qwerty'));
length
--------
56
(1 row)
-- ts_debug
SELECT * from ts_debug('english', '<myns:foo-bar_baz.blurfl>abc&nm1;def©ghiõjkl</myns:foo-bar_baz.blurfl>');
alias | description | token | dictionaries | dictionary | lexemes
-----------+-----------------+----------------------------+----------------+--------------+---------
tag | XML tag | <myns:foo-bar_baz.blurfl> | {} | |
asciiword | Word, all ASCII | abc | {english_stem} | english_stem | {abc}
entity | XML entity | &nm1; | {} | |
asciiword | Word, all ASCII | def | {english_stem} | english_stem | {def}
entity | XML entity | © | {} | |
asciiword | Word, all ASCII | ghi | {english_stem} | english_stem | {ghi}
entity | XML entity | õ | {} | |
asciiword | Word, all ASCII | jkl | {english_stem} | english_stem | {jkl}
tag | XML tag | </myns:foo-bar_baz.blurfl> | {} | |
(9 rows)
-- check parsing of URLs
SELECT * from ts_debug('english', 'http://www.harewoodsolutions.co.uk/press.aspx</span>');
alias | description | token | dictionaries | dictionary | lexemes
----------+---------------+----------------------------------------+--------------+------------+------------------------------------------
protocol | Protocol head | http:// | {} | |
url | URL | www.harewoodsolutions.co.uk/press.aspx | {simple} | simple | {www.harewoodsolutions.co.uk/press.aspx}
host | Host | www.harewoodsolutions.co.uk | {simple} | simple | {www.harewoodsolutions.co.uk}
url_path | URL path | /press.aspx | {simple} | simple | {/press.aspx}
tag | XML tag | </span> | {} | |
(5 rows)
SELECT * from ts_debug('english', 'http://aew.wer0c.ewr/id?ad=qwe&dw<span>');
alias | description | token | dictionaries | dictionary | lexemes
----------+---------------+----------------------------+--------------+------------+------------------------------
protocol | Protocol head | http:// | {} | |
url | URL | aew.wer0c.ewr/id?ad=qwe&dw | {simple} | simple | {aew.wer0c.ewr/id?ad=qwe&dw}
host | Host | aew.wer0c.ewr | {simple} | simple | {aew.wer0c.ewr}
url_path | URL path | /id?ad=qwe&dw | {simple} | simple | {/id?ad=qwe&dw}
tag | XML tag | <span> | {} | |
(5 rows)
SELECT * from ts_debug('english', 'http:// style='color: green'>5aew.werc.ewr:8100/?');
alias | description | token | dictionaries | dictionary | lexemes
----------+---------------+----------------------+--------------+------------+------------------------
protocol | Protocol head | http:// | {} | |
url | URL | 5aew.werc.ewr:8100/? | {simple} | simple | {5aew.werc.ewr:8100/?}
host | Host | 5aew.werc.ewr:8100 | {simple} | simple | {5aew.werc.ewr:8100}
url_path | URL path | /? | {simple} | simple | {/?}
(4 rows)
SELECT * from ts_debug('english', '5aew.werc.ewr:8100/?xx');
alias | description | token | dictionaries | dictionary | lexemes
----------+-------------+------------------------+--------------+------------+--------------------------
url | URL | 5aew.werc.ewr:8100/?xx | {simple} | simple | {5aew.werc.ewr:8100/?xx}
host | Host | 5aew.werc.ewr:8100 | {simple} | simple | {5aew.werc.ewr:8100}
url_path | URL path | /?xx | {simple} | simple | {/?xx}
(3 rows)
SELECT token, alias,
dictionaries, dictionaries is null as dnull, array_dims(dictionaries) as ddims,
lexemes, lexemes is null as lnull, array_dims(lexemes) as ldims
from ts_debug('english', 'a title');
token | alias | dictionaries | dnull | ddims | lexemes | lnull | ldims
-------+-----------+----------------+-------+-------+---------+-------+-------
a | asciiword | {english_stem} | f | [1:1] | {} | f |
| blank | {} | f | | | t |
title | asciiword | {english_stem} | f | [1:1] | {titl} | f | [1:1]
(3 rows)
-- to_tsquery
SELECT to_tsquery('english', 'qwe & sKies ');
to_tsquery
---------------
'qwe' & 'sky'
(1 row)
SELECT to_tsquery('simple', 'qwe & sKies ');
to_tsquery
-----------------
'qwe' & 'skies'
(1 row)
SELECT to_tsquery('english', '''the wether'':dc & '' sKies '':BC ');
to_tsquery
------------------------
'wether':CD & 'sky':BC
(1 row)
SELECT to_tsquery('english', 'asd&(and|fghj)');
to_tsquery
----------------
'asd' & 'fghj'
(1 row)
SELECT to_tsquery('english', '(asd&and)|fghj');
to_tsquery
----------------
'asd' | 'fghj'
(1 row)
SELECT to_tsquery('english', '(asd&!and)|fghj');
to_tsquery
----------------
'asd' | 'fghj'
(1 row)
SELECT to_tsquery('english', '(the|and&(i&1))&fghj');
to_tsquery
--------------
'1' & 'fghj'
(1 row)
SELECT plainto_tsquery('english', 'the and z 1))& fghj');
plainto_tsquery
--------------------
'z' & '1' & 'fghj'
(1 row)
SELECT plainto_tsquery('english', 'foo bar') && plainto_tsquery('english', 'asd');
?column?
-----------------------
'foo' & 'bar' & 'asd'
(1 row)
SELECT plainto_tsquery('english', 'foo bar') || plainto_tsquery('english', 'asd fg');
?column?
------------------------------
'foo' & 'bar' | 'asd' & 'fg'
(1 row)
SELECT plainto_tsquery('english', 'foo bar') || !!plainto_tsquery('english', 'asd fg');
?column?
-----------------------------------
'foo' & 'bar' | !( 'asd' & 'fg' )
(1 row)
SELECT plainto_tsquery('english', 'foo bar') && 'asd | fg';
?column?
----------------------------------
'foo' & 'bar' & ( 'asd' | 'fg' )
(1 row)
-- Check stop word deletion, a and s are stop-words
SELECT to_tsquery('english', '!(a & !b) & c');
to_tsquery
-------------
!!'b' & 'c'
(1 row)
SELECT to_tsquery('english', '!(a & !b)');
to_tsquery
------------
!!'b'
(1 row)
SELECT to_tsquery('english', '(1 <-> 2) <-> a');
to_tsquery
-------------
'1' <-> '2'
(1 row)
SELECT to_tsquery('english', '(1 <-> a) <-> 2');
to_tsquery
-------------
'1' <2> '2'
(1 row)
SELECT to_tsquery('english', '(a <-> 1) <-> 2');
to_tsquery
-------------
'1' <-> '2'
(1 row)
SELECT to_tsquery('english', 'a <-> (1 <-> 2)');
to_tsquery
-------------
'1' <-> '2'
(1 row)
SELECT to_tsquery('english', '1 <-> (a <-> 2)');
to_tsquery
-------------
'1' <2> '2'
(1 row)
SELECT to_tsquery('english', '1 <-> (2 <-> a)');
to_tsquery
-------------
'1' <-> '2'
(1 row)
SELECT to_tsquery('english', '(1 <-> 2) <3> a');
to_tsquery
-------------
'1' <-> '2'
(1 row)
SELECT to_tsquery('english', '(1 <-> a) <3> 2');
to_tsquery
-------------
'1' <4> '2'
(1 row)
SELECT to_tsquery('english', '(a <-> 1) <3> 2');
to_tsquery
-------------
'1' <3> '2'
(1 row)
SELECT to_tsquery('english', 'a <3> (1 <-> 2)');
to_tsquery
-------------
'1' <-> '2'
(1 row)
SELECT to_tsquery('english', '1 <3> (a <-> 2)');
to_tsquery
-------------
'1' <4> '2'
(1 row)
SELECT to_tsquery('english', '1 <3> (2 <-> a)');
to_tsquery
-------------
'1' <3> '2'
(1 row)
SELECT to_tsquery('english', '(1 <3> 2) <-> a');
to_tsquery
-------------
'1' <3> '2'
(1 row)
SELECT to_tsquery('english', '(1 <3> a) <-> 2');
to_tsquery
-------------
'1' <4> '2'
(1 row)
SELECT to_tsquery('english', '(a <3> 1) <-> 2');
to_tsquery
-------------
'1' <-> '2'
(1 row)
SELECT to_tsquery('english', 'a <-> (1 <3> 2)');
to_tsquery
-------------
'1' <3> '2'
(1 row)
SELECT to_tsquery('english', '1 <-> (a <3> 2)');
to_tsquery
-------------
'1' <4> '2'
(1 row)
SELECT to_tsquery('english', '1 <-> (2 <3> a)');
to_tsquery
-------------
'1' <-> '2'
(1 row)
SELECT to_tsquery('english', '((a <-> 1) <-> 2) <-> s');
to_tsquery
-------------
'1' <-> '2'
(1 row)
SELECT to_tsquery('english', '(2 <-> (a <-> 1)) <-> s');
to_tsquery
-------------
'2' <2> '1'
(1 row)
SELECT to_tsquery('english', '((1 <-> a) <-> 2) <-> s');
to_tsquery
-------------
'1' <2> '2'
(1 row)
SELECT to_tsquery('english', '(2 <-> (1 <-> a)) <-> s');
to_tsquery
-------------
'2' <-> '1'
(1 row)
SELECT to_tsquery('english', 's <-> ((a <-> 1) <-> 2)');
to_tsquery
-------------
'1' <-> '2'
(1 row)
SELECT to_tsquery('english', 's <-> (2 <-> (a <-> 1))');
to_tsquery
-------------
'2' <2> '1'
(1 row)
SELECT to_tsquery('english', 's <-> ((1 <-> a) <-> 2)');
to_tsquery
-------------
'1' <2> '2'
(1 row)
SELECT to_tsquery('english', 's <-> (2 <-> (1 <-> a))');
to_tsquery
-------------
'2' <-> '1'
(1 row)
SELECT to_tsquery('english', '((a <-> 1) <-> s) <-> 2');
to_tsquery
-------------
'1' <2> '2'
(1 row)
SELECT to_tsquery('english', '(s <-> (a <-> 1)) <-> 2');
to_tsquery
-------------
'1' <-> '2'
(1 row)
SELECT to_tsquery('english', '((1 <-> a) <-> s) <-> 2');
to_tsquery
-------------
'1' <3> '2'
(1 row)
SELECT to_tsquery('english', '(s <-> (1 <-> a)) <-> 2');
to_tsquery
-------------
'1' <2> '2'
(1 row)
SELECT to_tsquery('english', '2 <-> ((a <-> 1) <-> s)');
to_tsquery
-------------
'2' <2> '1'
(1 row)
SELECT to_tsquery('english', '2 <-> (s <-> (a <-> 1))');
to_tsquery
-------------
'2' <3> '1'
(1 row)
SELECT to_tsquery('english', '2 <-> ((1 <-> a) <-> s)');
to_tsquery
-------------
'2' <-> '1'
(1 row)
SELECT to_tsquery('english', '2 <-> (s <-> (1 <-> a))');
to_tsquery
-------------
'2' <2> '1'
(1 row)
SELECT to_tsquery('english', 'foo <-> (a <-> (the <-> bar))');
to_tsquery
-----------------
'foo' <3> 'bar'
(1 row)
SELECT to_tsquery('english', '((foo <-> a) <-> the) <-> bar');
to_tsquery
-----------------
'foo' <3> 'bar'
(1 row)
SELECT to_tsquery('english', 'foo <-> a <-> the <-> bar');
to_tsquery
-----------------
'foo' <3> 'bar'
(1 row)
SELECT phraseto_tsquery('english', 'PostgreSQL can be extended by the user in many ways');
phraseto_tsquery
-----------------------------------------------------------
'postgresql' <3> 'extend' <3> 'user' <2> 'mani' <-> 'way'
(1 row)
SELECT ts_rank_cd(to_tsvector('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
'), to_tsquery('english', 'paint&water'));
ts_rank_cd
------------
0.05
(1 row)
SELECT ts_rank_cd(to_tsvector('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
'), to_tsquery('english', 'breath&motion&water'));
ts_rank_cd
-------------
0.008333334
(1 row)
SELECT ts_rank_cd(to_tsvector('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
'), to_tsquery('english', 'ocean'));
ts_rank_cd
------------
0.1
(1 row)
SELECT ts_rank_cd(to_tsvector('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
'), to_tsquery('english', 'painted <-> Ship'));
ts_rank_cd
------------
0.1
(1 row)
SELECT ts_rank_cd(strip(to_tsvector('both stripped')),
to_tsquery('both & stripped'));
ts_rank_cd
------------
0
(1 row)
SELECT ts_rank_cd(to_tsvector('unstripped') || strip(to_tsvector('stripped')),
to_tsquery('unstripped & stripped'));
ts_rank_cd
------------
0
(1 row)
--headline tests
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', to_tsquery('english', 'paint&water'));
ts_headline
-----------------------------------------
<b>painted</b> Ocean. +
<b>Water</b>, <b>water</b>, every where+
And all the boards did shrink; +
<b>Water</b>, <b>water</b>, every
(1 row)
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', to_tsquery('english', 'breath&motion&water'));
ts_headline
----------------------------------
<b>breath</b> nor <b>motion</b>,+
As idle as a painted Ship +
Upon a painted Ocean. +
<b>Water</b>, <b>water</b>
(1 row)
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', to_tsquery('english', 'ocean'));
ts_headline
----------------------------------
<b>Ocean</b>. +
Water, water, every where +
And all the boards did shrink;+
Water, water, every where
(1 row)
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', to_tsquery('english', 'day & drink'));
ts_headline
------------------------------------
<b>day</b>, +
We stuck, nor breath nor motion,+
As idle as a painted Ship +
Upon a painted Ocean. +
Water, water, every where +
And all the boards did shrink; +
Water, water, every where, +
Nor any drop
(1 row)
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', to_tsquery('english', 'day | drink'));
ts_headline
-----------------------------------------------------------
<b>Day</b> after <b>day</b>, <b>day</b> after <b>day</b>,+
We stuck, nor breath nor motion, +
As idle as a painted
(1 row)
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', to_tsquery('english', 'day | !drink'));
ts_headline
-----------------------------------------------------------
<b>Day</b> after <b>day</b>, <b>day</b> after <b>day</b>,+
We stuck, nor breath nor motion, +
As idle as a painted
(1 row)
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', to_tsquery('english', 'painted <-> Ship & drink'));
ts_headline
----------------------------------
<b>painted</b> <b>Ship</b> +
Upon a <b>painted</b> Ocean. +
Water, water, every where +
And all the boards did shrink;+
Water, water, every where, +
Nor any drop to <b>drink</b>
(1 row)
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', to_tsquery('english', 'painted <-> Ship | drink'));
ts_headline
---------------------------------
<b>painted</b> <b>Ship</b> +
Upon a <b>painted</b> Ocean. +
Water, water, every where +
And all the boards did shrink
(1 row)
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', to_tsquery('english', 'painted <-> Ship | !drink'));
ts_headline
---------------------------------
<b>painted</b> <b>Ship</b> +
Upon a <b>painted</b> Ocean. +
Water, water, every where +
And all the boards did shrink
(1 row)
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', phraseto_tsquery('english', 'painted Ocean'));
ts_headline
----------------------------------
<b>painted</b> <b>Ocean</b>. +
Water, water, every where +
And all the boards did shrink;+
Water, water, every
(1 row)
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', phraseto_tsquery('english', 'idle as a painted Ship'));
ts_headline
---------------------------------------------
<b>idle</b> as a <b>painted</b> <b>Ship</b>+
Upon a <b>painted</b> Ocean. +
Water, water, every where +
And all the boards
(1 row)
SELECT ts_headline('english',
'Lorem ipsum urna. Nullam nullam ullamcorper urna.',
to_tsquery('english','Lorem') && phraseto_tsquery('english','ullamcorper urna'),
'MaxWords=100, MinWords=1');
ts_headline
-------------------------------------------------------------------------------
<b>Lorem</b> ipsum <b>urna</b>. Nullam nullam <b>ullamcorper</b> <b>urna</b>
(1 row)
SELECT ts_headline('english',
'Lorem ipsum urna. Nullam nullam ullamcorper urna.',
phraseto_tsquery('english','ullamcorper urna'),
'MaxWords=100, MinWords=5');
ts_headline
-------------------------------------------------------------
<b>urna</b>. Nullam nullam <b>ullamcorper</b> <b>urna</b>.
(1 row)
SELECT ts_headline('english', '
<html>
<!-- some comment -->
<body>
Sea view wow <u>foo bar</u> <i>qq</i>
<a href="http://www.google.com/foo.bar.html" target="_blank">YES </a>
ff-bg
<script>
document.write(15);
</script>
</body>
</html>',
to_tsquery('english', 'sea&foo'), 'HighlightAll=true');
ts_headline
-----------------------------------------------------------------------------
+
<html> +
<!-- some comment --> +
<body> +
<b>Sea</b> view wow <u><b>foo</b> bar</u> <i>qq</i> +
<a href="http://www.google.com/foo.bar.html" target="_blank">YES </a>+
ff-bg +
<script> +
document.write(15); +
</script> +
</body> +
</html>
(1 row)
SELECT ts_headline('simple', '1 2 3 1 3'::text, '1 <-> 3', 'MaxWords=2, MinWords=1');
ts_headline
-------------------
<b>1</b> <b>3</b>
(1 row)
SELECT ts_headline('simple', '1 2 3 1 3'::text, '1 & 3', 'MaxWords=4, MinWords=1');
ts_headline
---------------------
<b>1</b> 2 <b>3</b>
(1 row)
SELECT ts_headline('simple', '1 2 3 1 3'::text, '1 <-> 3', 'MaxWords=4, MinWords=1');
ts_headline
-------------------
<b>1</b> <b>3</b>
(1 row)
--Check if headline fragments work
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', to_tsquery('english', 'ocean'), 'MaxFragments=1');
ts_headline
------------------------------------
after day, +
We stuck, nor breath nor motion,+
As idle as a painted Ship +
Upon a painted <b>Ocean</b>. +
Water, water, every where +
And all the boards did shrink; +
Water, water, every where, +
Nor any drop
(1 row)
--Check if more than one fragments are displayed
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', to_tsquery('english', 'Coleridge & stuck'), 'MaxFragments=2');
ts_headline
----------------------------------------------
after day, day after day, +
We <b>stuck</b>, nor breath nor motion, +
As idle as a painted Ship +
Upon a painted Ocean. +
Water, water, every where +
And all the boards did shrink; +
Water, water, every where ... drop to drink.+
S. T. <b>Coleridge</b>
(1 row)
--Fragments when there all query words are not in the document
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', to_tsquery('english', 'ocean & seahorse'), 'MaxFragments=1');
ts_headline
------------------------------------
+
Day after day, day after day, +
We stuck, nor breath nor motion,+
As idle as
(1 row)
--FragmentDelimiter option
SELECT ts_headline('english', '
Day after day, day after day,
We stuck, nor breath nor motion,
As idle as a painted Ship
Upon a painted Ocean.
Water, water, every where
And all the boards did shrink;
Water, water, every where,
Nor any drop to drink.
S. T. Coleridge (1772-1834)
', to_tsquery('english', 'Coleridge & stuck'), 'MaxFragments=2,FragmentDelimiter=***');
ts_headline
--------------------------------------------
after day, day after day, +
We <b>stuck</b>, nor breath nor motion, +
As idle as a painted Ship +
Upon a painted Ocean. +
Water, water, every where +
And all the boards did shrink; +
Water, water, every where***drop to drink.+
S. T. <b>Coleridge</b>
(1 row)
--Fragments with phrase search
SELECT ts_headline('english',
'Lorem ipsum urna. Nullam nullam ullamcorper urna.',
to_tsquery('english','Lorem') && phraseto_tsquery('english','ullamcorper urna'),
'MaxFragments=100, MaxWords=100, MinWords=1');
ts_headline
-------------------------------------------------------------------------------
<b>Lorem</b> ipsum <b>urna</b>. Nullam nullam <b>ullamcorper</b> <b>urna</b>
(1 row)
-- Edge cases with empty query
SELECT ts_headline('english',
'', to_tsquery('english', ''));
NOTICE: text-search query doesn't contain lexemes: ""
ts_headline
-------------
(1 row)
SELECT ts_headline('english',
'foo bar', to_tsquery('english', ''));
NOTICE: text-search query doesn't contain lexemes: ""
ts_headline
-------------
foo bar
(1 row)
-- Test for large values of StartSel, StopSel and FragmentDelimiter
SELECT ts_headline('english', 'foo barbar', to_tsquery('english', 'foo'),
'StartSel=' || repeat('x', 32768));
ERROR: value for "StartSel" is too long
SELECT ts_headline('english', 'foo barbar', to_tsquery('english', 'foo'),
'StopSel=' || repeat('x', 32768));
ERROR: value for "StopSel" is too long
SELECT ts_headline('english', 'foo barbar', to_tsquery('english', 'foo'),
'FragmentDelimiter=' || repeat('x', 32768));
ERROR: value for "FragmentDelimiter" is too long
--Rewrite sub system
CREATE TABLE test_tsquery (txtkeyword TEXT, txtsample TEXT);
\set ECHO none
ALTER TABLE test_tsquery ADD COLUMN keyword tsquery;
UPDATE test_tsquery SET keyword = to_tsquery('english', txtkeyword);
ALTER TABLE test_tsquery ADD COLUMN sample tsquery;
UPDATE test_tsquery SET sample = to_tsquery('english', txtsample::text);
SELECT COUNT(*) FROM test_tsquery WHERE keyword < 'new <-> york';
count
-------
2
(1 row)
SELECT COUNT(*) FROM test_tsquery WHERE keyword <= 'new <-> york';
count
-------
3
(1 row)
SELECT COUNT(*) FROM test_tsquery WHERE keyword = 'new <-> york';
count
-------
1
(1 row)
SELECT COUNT(*) FROM test_tsquery WHERE keyword >= 'new <-> york';
count
-------
4
(1 row)
SELECT COUNT(*) FROM test_tsquery WHERE keyword > 'new <-> york';
count
-------
3
(1 row)
CREATE UNIQUE INDEX bt_tsq ON test_tsquery (keyword);
SET enable_seqscan=OFF;
SELECT COUNT(*) FROM test_tsquery WHERE keyword < 'new <-> york';
count
-------
2
(1 row)
SELECT COUNT(*) FROM test_tsquery WHERE keyword <= 'new <-> york';
count
-------
3
(1 row)
SELECT COUNT(*) FROM test_tsquery WHERE keyword = 'new <-> york';
count
-------
1
(1 row)
SELECT COUNT(*) FROM test_tsquery WHERE keyword >= 'new <-> york';
count
-------
4
(1 row)
SELECT COUNT(*) FROM test_tsquery WHERE keyword > 'new <-> york';
count
-------
3
(1 row)
RESET enable_seqscan;
SELECT ts_rewrite('foo & bar & qq & new & york', 'new & york'::tsquery, 'big & apple | nyc | new & york & city');
ts_rewrite
------------------------------------------------------------------------------
'foo' & 'bar' & 'qq' & ( 'city' & 'new' & 'york' | 'nyc' | 'big' & 'apple' )
(1 row)
SELECT ts_rewrite(ts_rewrite('new & !york ', 'york', '!jersey'),
'jersey', 'mexico');
ts_rewrite
--------------------
'new' & !!'mexico'
(1 row)
SELECT ts_rewrite('moscow', 'SELECT keyword, sample FROM test_tsquery'::text );
ts_rewrite
---------------------
'moskva' | 'moscow'
(1 row)
SELECT ts_rewrite('moscow & hotel', 'SELECT keyword, sample FROM test_tsquery'::text );
ts_rewrite
-----------------------------------
'hotel' & ( 'moskva' | 'moscow' )
(1 row)
SELECT ts_rewrite('bar & qq & foo & (new <-> york)', 'SELECT keyword, sample FROM test_tsquery'::text );
ts_rewrite
-------------------------------------------------------------------------------------
'citi' & 'foo' & ( 'bar' | 'qq' ) & ( 'nyc' | 'big' <-> 'appl' | 'new' <-> 'york' )
(1 row)
SELECT ts_rewrite( 'moscow', 'SELECT keyword, sample FROM test_tsquery');
ts_rewrite
---------------------
'moskva' | 'moscow'
(1 row)
SELECT ts_rewrite( 'moscow & hotel', 'SELECT keyword, sample FROM test_tsquery');
ts_rewrite
-----------------------------------
'hotel' & ( 'moskva' | 'moscow' )
(1 row)
SELECT ts_rewrite( 'bar & qq & foo & (new <-> york)', 'SELECT keyword, sample FROM test_tsquery');
ts_rewrite
-------------------------------------------------------------------------------------
'citi' & 'foo' & ( 'bar' | 'qq' ) & ( 'nyc' | 'big' <-> 'appl' | 'new' <-> 'york' )
(1 row)
SELECT ts_rewrite('1 & (2 <-> 3)', 'SELECT keyword, sample FROM test_tsquery'::text );
ts_rewrite
-------------
'2' <-> '4'
(1 row)
SELECT ts_rewrite('1 & (2 <2> 3)', 'SELECT keyword, sample FROM test_tsquery'::text );
ts_rewrite
-------------------
'1' & '2' <2> '3'
(1 row)
SELECT ts_rewrite('5 <-> (1 & (2 <-> 3))', 'SELECT keyword, sample FROM test_tsquery'::text );
ts_rewrite
-------------------------
'5' <-> ( '2' <-> '4' )
(1 row)
SELECT ts_rewrite('5 <-> (6 | 8)', 'SELECT keyword, sample FROM test_tsquery'::text );
ts_rewrite
-----------------------
'5' <-> ( '6' | '8' )
(1 row)
-- Check empty substitution
SELECT ts_rewrite(to_tsquery('5 & (6 | 5)'), to_tsquery('5'), to_tsquery(''));
NOTICE: text-search query doesn't contain lexemes: ""
ts_rewrite
------------
'6'
(1 row)
SELECT ts_rewrite(to_tsquery('!5'), to_tsquery('5'), to_tsquery(''));
NOTICE: text-search query doesn't contain lexemes: ""
ts_rewrite
------------
(1 row)
SELECT keyword FROM test_tsquery WHERE keyword @> 'new';
keyword
------------------
'new' <-> 'york'
(1 row)
SELECT keyword FROM test_tsquery WHERE keyword @> 'moscow';
keyword
----------
'moscow'
(1 row)
SELECT keyword FROM test_tsquery WHERE keyword <@ 'new';
keyword
---------
(0 rows)
SELECT keyword FROM test_tsquery WHERE keyword <@ 'moscow';
keyword
----------
'moscow'
(1 row)
SELECT ts_rewrite( query, 'SELECT keyword, sample FROM test_tsquery' ) FROM to_tsquery('english', 'moscow') AS query;
ts_rewrite
---------------------
'moskva' | 'moscow'
(1 row)
SELECT ts_rewrite( query, 'SELECT keyword, sample FROM test_tsquery' ) FROM to_tsquery('english', 'moscow & hotel') AS query;
ts_rewrite
-----------------------------------
'hotel' & ( 'moskva' | 'moscow' )
(1 row)
SELECT ts_rewrite( query, 'SELECT keyword, sample FROM test_tsquery' ) FROM to_tsquery('english', 'bar & qq & foo & (new <-> york)') AS query;
ts_rewrite
-------------------------------------------------------------------------------------
'citi' & 'foo' & ( 'bar' | 'qq' ) & ( 'nyc' | 'big' <-> 'appl' | 'new' <-> 'york' )
(1 row)
SELECT ts_rewrite( query, 'SELECT keyword, sample FROM test_tsquery' ) FROM to_tsquery('english', 'moscow') AS query;
ts_rewrite
---------------------
'moskva' | 'moscow'
(1 row)
SELECT ts_rewrite( query, 'SELECT keyword, sample FROM test_tsquery' ) FROM to_tsquery('english', 'moscow & hotel') AS query;
ts_rewrite
-----------------------------------
'hotel' & ( 'moskva' | 'moscow' )
(1 row)
SELECT ts_rewrite( query, 'SELECT keyword, sample FROM test_tsquery' ) FROM to_tsquery('english', 'bar & qq & foo & (new <-> york)') AS query;
ts_rewrite
-------------------------------------------------------------------------------------
'citi' & 'foo' & ( 'bar' | 'qq' ) & ( 'nyc' | 'big' <-> 'appl' | 'new' <-> 'york' )
(1 row)
CREATE INDEX qq ON test_tsquery USING gist (keyword tsquery_ops);
SET enable_seqscan=OFF;
SELECT keyword FROM test_tsquery WHERE keyword @> 'new';
keyword
------------------
'new' <-> 'york'
(1 row)
SELECT keyword FROM test_tsquery WHERE keyword @> 'moscow';
keyword
----------
'moscow'
(1 row)
SELECT keyword FROM test_tsquery WHERE keyword <@ 'new';
keyword
---------
(0 rows)
SELECT keyword FROM test_tsquery WHERE keyword <@ 'moscow';
keyword
----------
'moscow'
(1 row)
SELECT ts_rewrite( query, 'SELECT keyword, sample FROM test_tsquery' ) FROM to_tsquery('english', 'moscow') AS query;
ts_rewrite
---------------------
'moskva' | 'moscow'
(1 row)
SELECT ts_rewrite( query, 'SELECT keyword, sample FROM test_tsquery' ) FROM to_tsquery('english', 'moscow & hotel') AS query;
ts_rewrite
-----------------------------------
'hotel' & ( 'moskva' | 'moscow' )
(1 row)
SELECT ts_rewrite( query, 'SELECT keyword, sample FROM test_tsquery' ) FROM to_tsquery('english', 'bar & qq & foo & (new <-> york)') AS query;
ts_rewrite
-------------------------------------------------------------------------------------
'citi' & 'foo' & ( 'bar' | 'qq' ) & ( 'nyc' | 'big' <-> 'appl' | 'new' <-> 'york' )
(1 row)
SELECT ts_rewrite( query, 'SELECT keyword, sample FROM test_tsquery' ) FROM to_tsquery('english', 'moscow') AS query;
ts_rewrite
---------------------
'moskva' | 'moscow'
(1 row)
SELECT ts_rewrite( query, 'SELECT keyword, sample FROM test_tsquery' ) FROM to_tsquery('english', 'moscow & hotel') AS query;
ts_rewrite
-----------------------------------
'hotel' & ( 'moskva' | 'moscow' )
(1 row)
SELECT ts_rewrite( query, 'SELECT keyword, sample FROM test_tsquery' ) FROM to_tsquery('english', 'bar & qq & foo & (new <-> york)') AS query;
ts_rewrite
-------------------------------------------------------------------------------------
'citi' & 'foo' & ( 'bar' | 'qq' ) & ( 'nyc' | 'big' <-> 'appl' | 'new' <-> 'york' )
(1 row)
SELECT ts_rewrite(tsquery_phrase('foo', 'foo'), 'foo', 'bar | baz');
ts_rewrite
-----------------------------------------
( 'bar' | 'baz' ) <-> ( 'bar' | 'baz' )
(1 row)
SELECT to_tsvector('foo bar') @@
ts_rewrite(tsquery_phrase('foo', 'foo'), 'foo', 'bar | baz');
?column?
----------
f
(1 row)
SELECT to_tsvector('bar baz') @@
ts_rewrite(tsquery_phrase('foo', 'foo'), 'foo', 'bar | baz');
?column?
----------
t
(1 row)
RESET enable_seqscan;
--test GUC
SET default_text_search_config=simple;
SELECT to_tsvector('SKIES My booKs');
to_tsvector
----------------------------
'books':3 'my':2 'skies':1
(1 row)
SELECT plainto_tsquery('SKIES My booKs');
plainto_tsquery
--------------------------
'skies' & 'my' & 'books'
(1 row)
SELECT to_tsquery('SKIES & My | booKs');
to_tsquery
--------------------------
'skies' & 'my' | 'books'
(1 row)
SET default_text_search_config=english;
SELECT to_tsvector('SKIES My booKs');
to_tsvector
------------------
'book':3 'sky':1
(1 row)
SELECT plainto_tsquery('SKIES My booKs');
plainto_tsquery
-----------------
'sky' & 'book'
(1 row)
SELECT to_tsquery('SKIES & My | booKs');
to_tsquery
----------------
'sky' | 'book'
(1 row)
--trigger
CREATE TRIGGER tsvectorupdate
BEFORE UPDATE OR INSERT ON test_tsvector
FOR EACH ROW EXECUTE PROCEDURE tsvector_update_trigger(a, 'pg_catalog.english', t);
SELECT count(*) FROM test_tsvector WHERE a @@ to_tsquery('345&qwerty');
count
-------
0
(1 row)
INSERT INTO test_tsvector (t) VALUES ('345 qwerty');
SELECT count(*) FROM test_tsvector WHERE a @@ to_tsquery('345&qwerty');
count
-------
1
(1 row)
UPDATE test_tsvector SET t = null WHERE t = '345 qwerty';
SELECT count(*) FROM test_tsvector WHERE a @@ to_tsquery('345&qwerty');
count
-------
0
(1 row)
INSERT INTO test_tsvector (t) VALUES ('345 qwerty');
SELECT count(*) FROM test_tsvector WHERE a @@ to_tsquery('345&qwerty');
count
-------
1
(1 row)
-- Test inlining of immutable constant functions
-- to_tsquery(text) is not immutable, so it won't be inlined
explain (costs off)
select * from test_tsquery, to_tsquery('new') q where txtsample @@ q;
QUERY PLAN
------------------------------------------------
Nested Loop
Join Filter: (test_tsquery.txtsample @@ q.q)
-> Function Scan on to_tsquery q
-> Seq Scan on test_tsquery
(4 rows)
-- to_tsquery(regconfig, text) is an immutable function.
-- That allows us to get rid of using function scan and join at all.
explain (costs off)
select * from test_tsquery, to_tsquery('english', 'new') q where txtsample @@ q;
QUERY PLAN
---------------------------------------------
Seq Scan on test_tsquery
Filter: (txtsample @@ '''new'''::tsquery)
(2 rows)
-- test finding items in GIN's pending list
create temp table pendtest (ts tsvector);
create index pendtest_idx on pendtest using gin(ts);
insert into pendtest values (to_tsvector('Lore ipsam'));
insert into pendtest values (to_tsvector('Lore ipsum'));
select * from pendtest where 'ipsu:*'::tsquery @@ ts;
ts
--------------------
'ipsum':2 'lore':1
(1 row)
select * from pendtest where 'ipsa:*'::tsquery @@ ts;
ts
--------------------
'ipsam':2 'lore':1
(1 row)
select * from pendtest where 'ips:*'::tsquery @@ ts;
ts
--------------------
'ipsam':2 'lore':1
'ipsum':2 'lore':1
(2 rows)
select * from pendtest where 'ipt:*'::tsquery @@ ts;
ts
----
(0 rows)
select * from pendtest where 'ipi:*'::tsquery @@ ts;
ts
----
(0 rows)
--check OP_PHRASE on index
create temp table phrase_index_test(fts tsvector);
insert into phrase_index_test values ('A fat cat has just eaten a rat.');
insert into phrase_index_test values (to_tsvector('english', 'A fat cat has just eaten a rat.'));
create index phrase_index_test_idx on phrase_index_test using gin(fts);
set enable_seqscan = off;
select * from phrase_index_test where fts @@ phraseto_tsquery('english', 'fat cat');
fts
-----------------------------------
'cat':3 'eaten':6 'fat':2 'rat':8
(1 row)
set enable_seqscan = on;
-- test websearch_to_tsquery function
select websearch_to_tsquery('simple', 'I have a fat:*ABCD cat');
websearch_to_tsquery
---------------------------------------------
'i' & 'have' & 'a' & 'fat' & 'abcd' & 'cat'
(1 row)
select websearch_to_tsquery('simple', 'orange:**AABBCCDD');
websearch_to_tsquery
-----------------------
'orange' & 'aabbccdd'
(1 row)
select websearch_to_tsquery('simple', 'fat:A!cat:B|rat:C<');
websearch_to_tsquery
-----------------------------------------
'fat' & 'a' & 'cat' & 'b' & 'rat' & 'c'
(1 row)
select websearch_to_tsquery('simple', 'fat:A : cat:B');
websearch_to_tsquery
---------------------------
'fat' & 'a' & 'cat' & 'b'
(1 row)
select websearch_to_tsquery('simple', 'fat*rat');
websearch_to_tsquery
----------------------
'fat' <-> 'rat'
(1 row)
select websearch_to_tsquery('simple', 'fat-rat');
websearch_to_tsquery
-------------------------------
'fat-rat' <-> 'fat' <-> 'rat'
(1 row)
select websearch_to_tsquery('simple', 'fat_rat');
websearch_to_tsquery
----------------------
'fat' <-> 'rat'
(1 row)
-- weights are completely ignored
select websearch_to_tsquery('simple', 'abc : def');
websearch_to_tsquery
----------------------
'abc' & 'def'
(1 row)
select websearch_to_tsquery('simple', 'abc:def');
websearch_to_tsquery
----------------------
'abc' & 'def'
(1 row)
select websearch_to_tsquery('simple', 'a:::b');
websearch_to_tsquery
----------------------
'a' & 'b'
(1 row)
select websearch_to_tsquery('simple', 'abc:d');
websearch_to_tsquery
----------------------
'abc' & 'd'
(1 row)
select websearch_to_tsquery('simple', ':');
NOTICE: text-search query contains only stop words or doesn't contain lexemes, ignored
websearch_to_tsquery
----------------------
(1 row)
-- these operators are ignored
select websearch_to_tsquery('simple', 'abc & def');
websearch_to_tsquery
----------------------
'abc' & 'def'
(1 row)
select websearch_to_tsquery('simple', 'abc | def');
websearch_to_tsquery
----------------------
'abc' & 'def'
(1 row)
select websearch_to_tsquery('simple', 'abc <-> def');
websearch_to_tsquery
----------------------
'abc' & 'def'
(1 row)
-- parens are ignored, too
select websearch_to_tsquery('simple', 'abc (pg or class)');
websearch_to_tsquery
------------------------
'abc' & 'pg' | 'class'
(1 row)
select websearch_to_tsquery('simple', '(foo bar) or (ding dong)');
websearch_to_tsquery
---------------------------------
'foo' & 'bar' | 'ding' & 'dong'
(1 row)
-- NOT is ignored in quotes
select websearch_to_tsquery('english', 'My brand new smartphone');
websearch_to_tsquery
-------------------------------
'brand' & 'new' & 'smartphon'
(1 row)
select websearch_to_tsquery('english', 'My brand "new smartphone"');
websearch_to_tsquery
---------------------------------
'brand' & 'new' <-> 'smartphon'
(1 row)
select websearch_to_tsquery('english', 'My brand "new -smartphone"');
websearch_to_tsquery
---------------------------------
'brand' & 'new' <-> 'smartphon'
(1 row)
-- test OR operator
select websearch_to_tsquery('simple', 'cat or rat');
websearch_to_tsquery
----------------------
'cat' | 'rat'
(1 row)
select websearch_to_tsquery('simple', 'cat OR rat');
websearch_to_tsquery
----------------------
'cat' | 'rat'
(1 row)
select websearch_to_tsquery('simple', 'cat "OR" rat');
websearch_to_tsquery
----------------------
'cat' & 'or' & 'rat'
(1 row)
select websearch_to_tsquery('simple', 'cat OR');
websearch_to_tsquery
----------------------
'cat' & 'or'
(1 row)
select websearch_to_tsquery('simple', 'OR rat');
websearch_to_tsquery
----------------------
'or' & 'rat'
(1 row)
select websearch_to_tsquery('simple', '"fat cat OR rat"');
websearch_to_tsquery
------------------------------------
'fat' <-> 'cat' <-> 'or' <-> 'rat'
(1 row)
select websearch_to_tsquery('simple', 'fat (cat OR rat');
websearch_to_tsquery
-----------------------
'fat' & 'cat' | 'rat'
(1 row)
select websearch_to_tsquery('simple', 'or OR or');
websearch_to_tsquery
----------------------
'or' | 'or'
(1 row)
-- OR is an operator here ...
select websearch_to_tsquery('simple', '"fat cat"or"fat rat"');
websearch_to_tsquery
-----------------------------------
'fat' <-> 'cat' | 'fat' <-> 'rat'
(1 row)
select websearch_to_tsquery('simple', 'fat or(rat');
websearch_to_tsquery
----------------------
'fat' | 'rat'
(1 row)
select websearch_to_tsquery('simple', 'fat or)rat');
websearch_to_tsquery
----------------------
'fat' | 'rat'
(1 row)
select websearch_to_tsquery('simple', 'fat or&rat');
websearch_to_tsquery
----------------------
'fat' | 'rat'
(1 row)
select websearch_to_tsquery('simple', 'fat or|rat');
websearch_to_tsquery
----------------------
'fat' | 'rat'
(1 row)
select websearch_to_tsquery('simple', 'fat or!rat');
websearch_to_tsquery
----------------------
'fat' | 'rat'
(1 row)
select websearch_to_tsquery('simple', 'fat or<rat');
websearch_to_tsquery
----------------------
'fat' | 'rat'
(1 row)
select websearch_to_tsquery('simple', 'fat or>rat');
websearch_to_tsquery
----------------------
'fat' | 'rat'
(1 row)
select websearch_to_tsquery('simple', 'fat or ');
websearch_to_tsquery
----------------------
'fat' & 'or'
(1 row)
-- ... but not here
select websearch_to_tsquery('simple', 'abc orange');
websearch_to_tsquery
----------------------
'abc' & 'orange'
(1 row)
select websearch_to_tsquery('simple', 'abc OR1234');
websearch_to_tsquery
----------------------
'abc' & 'or1234'
(1 row)
select websearch_to_tsquery('simple', 'abc or-abc');
websearch_to_tsquery
-------------------------------------
'abc' & 'or-abc' <-> 'or' <-> 'abc'
(1 row)
select websearch_to_tsquery('simple', 'abc OR_abc');
websearch_to_tsquery
------------------------
'abc' & 'or' <-> 'abc'
(1 row)
-- test quotes
select websearch_to_tsquery('english', '"pg_class pg');
websearch_to_tsquery
---------------------------
'pg' <-> 'class' <-> 'pg'
(1 row)
select websearch_to_tsquery('english', 'pg_class pg"');
websearch_to_tsquery
-------------------------
'pg' <-> 'class' & 'pg'
(1 row)
select websearch_to_tsquery('english', '"pg_class pg"');
websearch_to_tsquery
---------------------------
'pg' <-> 'class' <-> 'pg'
(1 row)
select websearch_to_tsquery('english', '"pg_class : pg"');
websearch_to_tsquery
---------------------------
'pg' <-> 'class' <-> 'pg'
(1 row)
select websearch_to_tsquery('english', 'abc "pg_class pg"');
websearch_to_tsquery
-----------------------------------
'abc' & 'pg' <-> 'class' <-> 'pg'
(1 row)
select websearch_to_tsquery('english', '"pg_class pg" def');
websearch_to_tsquery
-----------------------------------
'pg' <-> 'class' <-> 'pg' & 'def'
(1 row)
select websearch_to_tsquery('english', 'abc "pg pg_class pg" def');
websearch_to_tsquery
----------------------------------------------------
'abc' & 'pg' <-> 'pg' <-> 'class' <-> 'pg' & 'def'
(1 row)
select websearch_to_tsquery('english', ' or "pg pg_class pg" or ');
websearch_to_tsquery
------------------------------------
'pg' <-> 'pg' <-> 'class' <-> 'pg'
(1 row)
select websearch_to_tsquery('english', '""pg pg_class pg""');
websearch_to_tsquery
--------------------------------
'pg' & 'pg' <-> 'class' & 'pg'
(1 row)
select websearch_to_tsquery('english', 'abc """"" def');
websearch_to_tsquery
----------------------
'abc' & 'def'
(1 row)
select websearch_to_tsquery('english', 'cat -"fat rat"');
websearch_to_tsquery
------------------------------
'cat' & !( 'fat' <-> 'rat' )
(1 row)
select websearch_to_tsquery('english', 'cat -"fat rat" cheese');
websearch_to_tsquery
----------------------------------------
'cat' & !( 'fat' <-> 'rat' ) & 'chees'
(1 row)
select websearch_to_tsquery('english', 'abc "def -"');
websearch_to_tsquery
----------------------
'abc' & 'def'
(1 row)
select websearch_to_tsquery('english', 'abc "def :"');
websearch_to_tsquery
----------------------
'abc' & 'def'
(1 row)
select websearch_to_tsquery('english', '"A fat cat" has just eaten a -rat.');
websearch_to_tsquery
------------------------------------
'fat' <-> 'cat' & 'eaten' & !'rat'
(1 row)
select websearch_to_tsquery('english', '"A fat cat" has just eaten OR !rat.');
websearch_to_tsquery
-----------------------------------
'fat' <-> 'cat' & 'eaten' | 'rat'
(1 row)
select websearch_to_tsquery('english', '"A fat cat" has just (+eaten OR -rat)');
websearch_to_tsquery
------------------------------------
'fat' <-> 'cat' & 'eaten' | !'rat'
(1 row)
select websearch_to_tsquery('english', 'this is ----fine');
websearch_to_tsquery
----------------------
!!!!'fine'
(1 row)
select websearch_to_tsquery('english', '(()) )))) this ||| is && -fine, "dear friend" OR good');
websearch_to_tsquery
----------------------------------------
!'fine' & 'dear' <-> 'friend' | 'good'
(1 row)
select websearch_to_tsquery('english', 'an old <-> cat " is fine &&& too');
websearch_to_tsquery
------------------------
'old' & 'cat' & 'fine'
(1 row)
select websearch_to_tsquery('english', '"A the" OR just on');
NOTICE: text-search query contains only stop words or doesn't contain lexemes, ignored
websearch_to_tsquery
----------------------
(1 row)
select websearch_to_tsquery('english', '"a fat cat" ate a rat');
websearch_to_tsquery
---------------------------------
'fat' <-> 'cat' & 'ate' & 'rat'
(1 row)
select to_tsvector('english', 'A fat cat ate a rat') @@
websearch_to_tsquery('english', '"a fat cat" ate a rat');
?column?
----------
t
(1 row)
select to_tsvector('english', 'A fat grey cat ate a rat') @@
websearch_to_tsquery('english', '"a fat cat" ate a rat');
?column?
----------
f
(1 row)
-- cases handled by gettoken_tsvector()
select websearch_to_tsquery('''');
NOTICE: text-search query contains only stop words or doesn't contain lexemes, ignored
websearch_to_tsquery
----------------------
(1 row)
select websearch_to_tsquery('''abc''''def''');
websearch_to_tsquery
----------------------
'abc' <-> 'def'
(1 row)
select websearch_to_tsquery('\abc');
websearch_to_tsquery
----------------------
'abc'
(1 row)
select websearch_to_tsquery('\');
NOTICE: text-search query contains only stop words or doesn't contain lexemes, ignored
websearch_to_tsquery
----------------------
(1 row)
[Verzeichnis aufwärts0.43unsichere VerbindungÜbersetzung europäischer Sprachen durch Browser2026-08-08]
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2026-08-25
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