diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index e1c3b48bf40..c8dd838d253 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -9177,6 +9177,18 @@ CREATE TYPE rainbow AS ENUM ('red', 'orange', 'yellow', 'green', 'blue', 'purple
+
+
+
+ array_to_tsvector
+
+ array_to_tsvector(text[])
+
+ tsvector
+ convert array of lexemes to tsvector
+ array_to_tsvector('{fat,cat,rat}'::text[])
+ 'fat' 'cat' 'rat'
+
@@ -9267,10 +9279,10 @@ CREATE TYPE rainbow AS ENUM ('red', 'orange', 'yellow', 'green', 'blue', 'purple
setweight
setweight for specific lexeme(s)
- setweight(vector tsvector, weight "char", lexemes "text"[])
+ setweight(vector tsvector, weight "char", lexemes text[])
tsvector
- assign weight to elements of vector that are listed in lexemes array
+ assign weight to elements of vector that are listed in lexemes
setweight('fat:2,4 cat:3 rat:5B'::tsvector, 'A', '{cat,rat}')
'cat':3A 'fat':2,4 'rat':5A
@@ -9286,79 +9298,6 @@ CREATE TYPE rainbow AS ENUM ('red', 'orange', 'yellow', 'green', 'blue', 'purple
strip('fat:2,4 cat:3 rat:5A'::tsvector)
'cat' 'fat' 'rat'
-
-
-
- delete
- delete lexeme(s) from tsvector
-
- delete(vector tsvector, lexeme text)
-
- tsvector
- remove given lexeme from vector
- delete('fat:2,4 cat:3 rat:5A'::tsvector, 'fat')
- 'cat':3 'rat':5A
-
-
-
-
- delete(vector tsvector, lexemes text[])
-
- tsvector
- remove any occurrence of lexemes in lexemes array from vector
- delete('fat:2,4 cat:3 rat:5A'::tsvector, ARRAY['fat','rat'])
- 'cat':3
-
-
-
-
- unnest
- for tsvector
-
- unnest(tsvector, OUT lexeme text, OUT positions smallint[], OUT weights text)
-
- setof record
- expand a tsvector to a set of rows
- unnest('fat:2,4 cat:3 rat:5A'::tsvector)
- (cat,{3},{D}) ...
-
-
-
-
- tsvector_to_array
-
- tsvector_to_array(tsvector)
-
- text[]
- convert tsvector to array of lexemes
- tsvector_to_array('fat:2,4 cat:3 rat:5A'::tsvector)
- {cat,fat,rat}
-
-
-
-
- array_to_tsvector
-
- array_to_tsvector(text[])
-
- tsvector
- convert array of lexemes to tsvector
- array_to_tsvector('{fat,cat,rat}'::text[])
- 'fat' 'cat' 'rat'
-
-
-
-
- filter
- for tsvector
-
- filter(vector tsvector, weights "char"[])
-
- tsvector
- Select only elements with given weights from vector
- filter('fat:2,4 cat:3b rat:5A'::tsvector, '{a,b}')
- 'cat':3B 'rat':5A
-
@@ -9383,6 +9322,40 @@ CREATE TYPE rainbow AS ENUM ('red', 'orange', 'yellow', 'green', 'blue', 'purple
to_tsvector('english', 'The Fat Rats')
'fat':2 'rat':3
+
+
+
+ ts_delete
+
+ ts_delete(vector tsvector, lexeme text)
+
+ tsvector
+ remove given lexeme from vector
+ ts_delete('fat:2,4 cat:3 rat:5A'::tsvector, 'fat')
+ 'cat':3 'rat':5A
+
+
+
+
+ ts_delete(vector tsvector, lexemes text[])
+
+ tsvector
+ remove any occurrence of lexemes in lexemes from vector
+ ts_delete('fat:2,4 cat:3 rat:5A'::tsvector, ARRAY['fat','rat'])
+ 'cat':3
+
+
+
+
+ ts_filter
+
+ ts_filter(vector tsvector, weights "char"[])
+
+ tsvector
+ Select only elements with given weights from vector
+ ts_filter('fat:2,4 cat:3b rat:5A'::tsvector, '{a,b}')
+ 'cat':3B 'rat':5A
+
@@ -9459,6 +9432,18 @@ CREATE TYPE rainbow AS ENUM ('red', 'orange', 'yellow', 'green', 'blue', 'purple
tsquery_phrase(to_tsquery('fat'), to_tsquery('cat'), 10)
'fat' <10> 'cat'
+
+
+
+ tsvector_to_array
+
+ tsvector_to_array(tsvector)
+
+ text[]
+ convert tsvector to array of lexemes
+ tsvector_to_array('fat:2,4 cat:3 rat:5A'::tsvector)
+ {cat,fat,rat}
+
@@ -9483,6 +9468,19 @@ CREATE TYPE rainbow AS ENUM ('red', 'orange', 'yellow', 'green', 'blue', 'purple
CREATE TRIGGER ... tsvector_update_trigger_column(tsvcol, configcol, title, body)
+
+
+
+ unnest
+ for tsvector
+
+ unnest(tsvector, OUT lexeme text, OUT positions smallint[], OUT weights text)
+
+ setof record
+ expand a tsvector to a set of rows
+ unnest('fat:2,4 cat:3 rat:5A'::tsvector)
+ (cat,{3},{D}) ...
+
diff --git a/doc/src/sgml/textsearch.sgml b/doc/src/sgml/textsearch.sgml
index 78eaf748676..bee1fbf1749 100644
--- a/doc/src/sgml/textsearch.sgml
+++ b/doc/src/sgml/textsearch.sgml
@@ -1412,7 +1412,8 @@ FROM (SELECT id, body, q, ts_rank_cd(ti, q) AS rank
- Full list of tsvector-related functions available in .
+ A full list of tsvector-related functions is available
+ in .
diff --git a/src/backend/utils/adt/tsvector_op.c b/src/backend/utils/adt/tsvector_op.c
index b138bf10ca1..591e59cf990 100644
--- a/src/backend/utils/adt/tsvector_op.c
+++ b/src/backend/utils/adt/tsvector_op.c
@@ -506,7 +506,7 @@ tsvector_delete_by_indices(TSVector tsv, int *indices_to_delete,
/*
* Delete given lexeme from tsvector.
- * Implementation of user-level delete(tsvector, text).
+ * Implementation of user-level ts_delete(tsvector, text).
*/
Datum
tsvector_delete_str(PG_FUNCTION_ARGS)
@@ -530,7 +530,7 @@ tsvector_delete_str(PG_FUNCTION_ARGS)
/*
* Delete given array of lexemes from tsvector.
- * Implementation of user-level delete(tsvector, text[]).
+ * Implementation of user-level ts_delete(tsvector, text[]).
*/
Datum
tsvector_delete_arr(PG_FUNCTION_ARGS)
@@ -757,7 +757,7 @@ array_to_tsvector(PG_FUNCTION_ARGS)
}
/*
- * Leave only elements with given weights from tsvector.
+ * ts_filter(): keep only lexemes with given weights in tsvector.
*/
Datum
tsvector_filter(PG_FUNCTION_ARGS)
@@ -771,15 +771,15 @@ tsvector_filter(PG_FUNCTION_ARGS)
*dataout;
Datum *dweights;
bool *nulls;
- int nweigths;
+ int nweights;
int i, j;
int cur_pos = 0;
char mask = 0;
deconstruct_array(weights, CHAROID, 1, true, 'c',
- &dweights, &nulls, &nweigths);
+ &dweights, &nulls, &nweights);
- for (i = 0; i < nweigths; i++)
+ for (i = 0; i < nweights; i++)
{
char char_weight;
@@ -804,8 +804,9 @@ tsvector_filter(PG_FUNCTION_ARGS)
mask = mask | 1;
break;
default:
- /* internal error */
- elog(ERROR, "unrecognized weight: %c", char_weight);
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("unrecognized weight: \"%c\"", char_weight)));
}
}
diff --git a/src/include/catalog/catversion.h b/src/include/catalog/catversion.h
index a5eba196e99..08867fb06a3 100644
--- a/src/include/catalog/catversion.h
+++ b/src/include/catalog/catversion.h
@@ -53,6 +53,6 @@
*/
/* yyyymmddN */
-#define CATALOG_VERSION_NO 201605031
+#define CATALOG_VERSION_NO 201605051
#endif
diff --git a/src/include/catalog/pg_proc.h b/src/include/catalog/pg_proc.h
index 021ba500ab8..d94943ba692 100644
--- a/src/include/catalog/pg_proc.h
+++ b/src/include/catalog/pg_proc.h
@@ -4539,18 +4539,18 @@ DESCR("set given weight for whole tsvector");
DATA(insert OID = 3320 ( setweight PGNSP PGUID 12 1 0 0 0 f f f f t f i s 3 0 3614 "3614 18 1009" _null_ _null_ _null_ _null_ _null_ tsvector_setweight_by_filter _null_ _null_ _null_ ));
DESCR("set given weight for given lexemes");
DATA(insert OID = 3625 ( tsvector_concat PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 3614 "3614 3614" _null_ _null_ _null_ _null_ _null_ tsvector_concat _null_ _null_ _null_ ));
-DATA(insert OID = 3321 ( delete PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 3614 "3614 25" _null_ _null_ _null_ _null_ _null_ tsvector_delete_str _null_ _null_ _null_ ));
+DATA(insert OID = 3321 ( ts_delete PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 3614 "3614 25" _null_ _null_ _null_ _null_ _null_ tsvector_delete_str _null_ _null_ _null_ ));
DESCR("delete lexeme");
-DATA(insert OID = 3323 ( delete PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 3614 "3614 1009" _null_ _null_ _null_ _null_ _null_ tsvector_delete_arr _null_ _null_ _null_ ));
+DATA(insert OID = 3323 ( ts_delete PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 3614 "3614 1009" _null_ _null_ _null_ _null_ _null_ tsvector_delete_arr _null_ _null_ _null_ ));
DESCR("delete given lexemes");
DATA(insert OID = 3322 ( unnest PGNSP PGUID 12 1 10 0 0 f f f f t t i s 1 0 2249 "3614" "{3614,25,1005,1009}" "{i,o,o,o}" "{tsvector,lexeme,positions,weights}" _null_ _null_ tsvector_unnest _null_ _null_ _null_ ));
DESCR("expand tsvector to set of rows");
DATA(insert OID = 3326 ( tsvector_to_array PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 1009 "3614" _null_ _null_ _null_ _null_ _null_ tsvector_to_array _null_ _null_ _null_ ));
-DESCR("convert to lexeme's array");
+DESCR("convert tsvector to array of lexemes");
DATA(insert OID = 3327 ( array_to_tsvector PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 3614 "1009" _null_ _null_ _null_ _null_ _null_ array_to_tsvector _null_ _null_ _null_ ));
-DESCR("build tsvector from lexeme's array");
-DATA(insert OID = 3319 ( filter PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 3614 "3614 1002" _null_ _null_ _null_ _null_ _null_ tsvector_filter _null_ _null_ _null_ ));
-DESCR("returns tsvector that contain only postings with given weights");
+DESCR("build tsvector from array of lexemes");
+DATA(insert OID = 3319 ( ts_filter PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 3614 "3614 1002" _null_ _null_ _null_ _null_ _null_ tsvector_filter _null_ _null_ _null_ ));
+DESCR("delete lexemes that do not have one of the given weights");
DATA(insert OID = 3634 ( ts_match_vq PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 16 "3614 3615" _null_ _null_ _null_ _null_ _null_ ts_match_vq _null_ _null_ _null_ ));
DATA(insert OID = 3635 ( ts_match_qv PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 16 "3615 3614" _null_ _null_ _null_ _null_ _null_ ts_match_qv _null_ _null_ _null_ ));
diff --git a/src/test/regress/expected/tstypes.out b/src/test/regress/expected/tstypes.out
index c8ca0624d43..64d6de6050a 100644
--- a/src/test/regress/expected/tstypes.out
+++ b/src/test/regress/expected/tstypes.out
@@ -979,73 +979,73 @@ SELECT strip('base hidden rebel spaceship strike'::tsvector);
'base' 'hidden' 'rebel' 'spaceship' 'strike'
(1 row)
-SELECT delete(to_tsvector('english', 'Rebel spaceships, striking from a hidden base'), 'spaceship');
- delete
+SELECT ts_delete(to_tsvector('english', 'Rebel spaceships, striking from a hidden base'), 'spaceship');
+ ts_delete
------------------------------------------
'base':7 'hidden':6 'rebel':1 'strike':3
(1 row)
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'base');
- delete
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'base');
+ ts_delete
--------------------------------------------------------------
'hidden':6 'rebel':1 'spaceship':2,33A,34B,35C,36 'strike':3
(1 row)
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'bas');
- delete
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'bas');
+ ts_delete
-----------------------------------------------------------------------
'base':7 'hidden':6 'rebel':1 'spaceship':2,33A,34B,35C,36 'strike':3
(1 row)
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'bases');
- delete
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'bases');
+ ts_delete
-----------------------------------------------------------------------
'base':7 'hidden':6 'rebel':1 'spaceship':2,33A,34B,35C,36 'strike':3
(1 row)
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'spaceship');
- delete
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'spaceship');
+ ts_delete
------------------------------------------
'base':7 'hidden':6 'rebel':1 'strike':3
(1 row)
-SELECT delete('base hidden rebel spaceship strike'::tsvector, 'spaceship');
- delete
+SELECT ts_delete('base hidden rebel spaceship strike'::tsvector, 'spaceship');
+ ts_delete
----------------------------------
'base' 'hidden' 'rebel' 'strike'
(1 row)
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceship','rebel']);
- delete
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceship','rebel']);
+ ts_delete
--------------------------------
'base':7 'hidden':6 'strike':3
(1 row)
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceships','rebel']);
- delete
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceships','rebel']);
+ ts_delete
-------------------------------------------------------------
'base':7 'hidden':6 'spaceship':2,33A,34B,35C,36 'strike':3
(1 row)
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceshi','rebel']);
- delete
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceshi','rebel']);
+ ts_delete
-------------------------------------------------------------
'base':7 'hidden':6 'spaceship':2,33A,34B,35C,36 'strike':3
(1 row)
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceship','leya','rebel']);
- delete
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceship','leya','rebel']);
+ ts_delete
--------------------------------
'base':7 'hidden':6 'strike':3
(1 row)
-SELECT delete('base hidden rebel spaceship strike'::tsvector, ARRAY['spaceship','leya','rebel']);
- delete
+SELECT ts_delete('base hidden rebel spaceship strike'::tsvector, ARRAY['spaceship','leya','rebel']);
+ ts_delete
--------------------------
'base' 'hidden' 'strike'
(1 row)
-SELECT delete('base hidden rebel spaceship strike'::tsvector, ARRAY['spaceship','leya','rebel', NULL]);
+SELECT ts_delete('base hidden rebel spaceship strike'::tsvector, ARRAY['spaceship','leya','rebel', NULL]);
ERROR: lexeme array may not contain nulls
SELECT unnest('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector);
unnest
@@ -1155,17 +1155,17 @@ SELECT setweight('a asd w:5,6,12B,13A zxc'::tsvector, 'c', '{a,zxc}');
SELECT setweight('a asd w:5,6,12B,13A zxc'::tsvector, 'c', ARRAY['a', 'zxc', NULL]);
ERROR: lexeme array may not contain nulls
-SELECT filter('base:7A empir:17 evil:15 first:11 galact:16 hidden:6A rebel:1A spaceship:2A strike:3A victori:12 won:9'::tsvector, '{a}');
- filter
+SELECT ts_filter('base:7A empir:17 evil:15 first:11 galact:16 hidden:6A rebel:1A spaceship:2A strike:3A victori:12 won:9'::tsvector, '{a}');
+ ts_filter
-------------------------------------------------------------
'base':7A 'hidden':6A 'rebel':1A 'spaceship':2A 'strike':3A
(1 row)
-SELECT filter('base hidden rebel spaceship strike'::tsvector, '{a}');
- filter
---------
+SELECT ts_filter('base hidden rebel spaceship strike'::tsvector, '{a}');
+ ts_filter
+-----------
(1 row)
-SELECT filter('base hidden rebel spaceship strike'::tsvector, '{a,b,NULL}');
+SELECT ts_filter('base hidden rebel spaceship strike'::tsvector, '{a,b,NULL}');
ERROR: weight array may not contain nulls
diff --git a/src/test/regress/sql/tstypes.sql b/src/test/regress/sql/tstypes.sql
index ecc71c85e68..738ec824b99 100644
--- a/src/test/regress/sql/tstypes.sql
+++ b/src/test/regress/sql/tstypes.sql
@@ -193,19 +193,19 @@ SELECT strip('w:12B w:13* w:12,5,6 a:1,3* a:3 w asd:1dc asd'::tsvector);
SELECT strip('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector);
SELECT strip('base hidden rebel spaceship strike'::tsvector);
-SELECT delete(to_tsvector('english', 'Rebel spaceships, striking from a hidden base'), 'spaceship');
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'base');
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'bas');
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'bases');
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'spaceship');
-SELECT delete('base hidden rebel spaceship strike'::tsvector, 'spaceship');
+SELECT ts_delete(to_tsvector('english', 'Rebel spaceships, striking from a hidden base'), 'spaceship');
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'base');
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'bas');
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'bases');
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'spaceship');
+SELECT ts_delete('base hidden rebel spaceship strike'::tsvector, 'spaceship');
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceship','rebel']);
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceships','rebel']);
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceshi','rebel']);
-SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceship','leya','rebel']);
-SELECT delete('base hidden rebel spaceship strike'::tsvector, ARRAY['spaceship','leya','rebel']);
-SELECT delete('base hidden rebel spaceship strike'::tsvector, ARRAY['spaceship','leya','rebel', NULL]);
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceship','rebel']);
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceships','rebel']);
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceshi','rebel']);
+SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceship','leya','rebel']);
+SELECT ts_delete('base hidden rebel spaceship strike'::tsvector, ARRAY['spaceship','leya','rebel']);
+SELECT ts_delete('base hidden rebel spaceship strike'::tsvector, ARRAY['spaceship','leya','rebel', NULL]);
SELECT unnest('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector);
SELECT unnest('base hidden rebel spaceship strike'::tsvector);
@@ -227,6 +227,6 @@ SELECT setweight('a:1,3A asd:1C w:5,6,12B,13A zxc:81,222A,567'::tsvector, 'c', '
SELECT setweight('a asd w:5,6,12B,13A zxc'::tsvector, 'c', '{a,zxc}');
SELECT setweight('a asd w:5,6,12B,13A zxc'::tsvector, 'c', ARRAY['a', 'zxc', NULL]);
-SELECT filter('base:7A empir:17 evil:15 first:11 galact:16 hidden:6A rebel:1A spaceship:2A strike:3A victori:12 won:9'::tsvector, '{a}');
-SELECT filter('base hidden rebel spaceship strike'::tsvector, '{a}');
-SELECT filter('base hidden rebel spaceship strike'::tsvector, '{a,b,NULL}');
+SELECT ts_filter('base:7A empir:17 evil:15 first:11 galact:16 hidden:6A rebel:1A spaceship:2A strike:3A victori:12 won:9'::tsvector, '{a}');
+SELECT ts_filter('base hidden rebel spaceship strike'::tsvector, '{a}');
+SELECT ts_filter('base hidden rebel spaceship strike'::tsvector, '{a,b,NULL}');