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Postgres FD Implementation
Commit 0b9a2344 authored by Tom Lane's avatar Tom Lane
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Rename tsvector delete() to ts_delete(), and filter() to ts_filter(). 

The similarity of the original names to SQL keywords seems like a bad
idea.  Rename them before we're stuck with 'em forever.

In passing, minor code and docs cleanup.

Discussion: <4875.1462210058@sss.pgh.pa.us>
parent 2f38b986
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Showing with 128 additions and 128 deletions
doc/src/sgml/func.sgml
View file @ 0b9a2344
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doc/src/sgml/textsearch.sgml
View file @ 0b9a2344
...@@ -1412,7 +1412,8 @@ FROM (SELECT id, body, q, ts_rank_cd(ti, q) AS rank ...@@ -1412,7 +1412,8 @@ FROM (SELECT id, body, q, ts_rank_cd(ti, q) AS rank
</variablelist> </variablelist>
<para> <para>
Full list of <type>tsvector</>-related functions available in <xref linkend="textsearch-functions-table">. A full list of <type>tsvector</>-related functions is available
in <xref linkend="textsearch-functions-table">.
</para> </para>
</sect2> </sect2>
......
src/backend/utils/adt/tsvector_op.c
View file @ 0b9a2344
...@@ -506,7 +506,7 @@ tsvector_delete_by_indices(TSVector tsv, int *indices_to_delete, ...@@ -506,7 +506,7 @@ tsvector_delete_by_indices(TSVector tsv, int *indices_to_delete,
/* /*
* Delete given lexeme from tsvector. * Delete given lexeme from tsvector.
* Implementation of user-level delete(tsvector, text). * Implementation of user-level ts_delete(tsvector, text).
*/ */
Datum Datum
tsvector_delete_str(PG_FUNCTION_ARGS) tsvector_delete_str(PG_FUNCTION_ARGS)
...@@ -530,7 +530,7 @@ tsvector_delete_str(PG_FUNCTION_ARGS) ...@@ -530,7 +530,7 @@ tsvector_delete_str(PG_FUNCTION_ARGS)
/* /*
* Delete given array of lexemes from tsvector. * Delete given array of lexemes from tsvector.
* Implementation of user-level delete(tsvector, text[]). * Implementation of user-level ts_delete(tsvector, text[]).
*/ */
Datum Datum
tsvector_delete_arr(PG_FUNCTION_ARGS) tsvector_delete_arr(PG_FUNCTION_ARGS)
...@@ -757,7 +757,7 @@ array_to_tsvector(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 Datum
tsvector_filter(PG_FUNCTION_ARGS) tsvector_filter(PG_FUNCTION_ARGS)
...@@ -771,15 +771,15 @@ tsvector_filter(PG_FUNCTION_ARGS) ...@@ -771,15 +771,15 @@ tsvector_filter(PG_FUNCTION_ARGS)
*dataout; *dataout;
Datum *dweights; Datum *dweights;
bool *nulls; bool *nulls;
int nweigths; int nweights;
int i, j; int i, j;
int cur_pos = 0; int cur_pos = 0;
char mask = 0; char mask = 0;
deconstruct_array(weights, CHAROID, 1, true, 'c', 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; char char_weight;
...@@ -804,8 +804,9 @@ tsvector_filter(PG_FUNCTION_ARGS) ...@@ -804,8 +804,9 @@ tsvector_filter(PG_FUNCTION_ARGS)
mask = mask | 1; mask = mask | 1;
break; break;
default: default:
/* internal error */ ereport(ERROR,
elog(ERROR, "unrecognized weight: %c", char_weight); (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("unrecognized weight: \"%c\"", char_weight)));
} }
} }
......
src/include/catalog/catversion.h
View file @ 0b9a2344
...@@ -53,6 +53,6 @@ ...@@ -53,6 +53,6 @@
*/ */
/* yyyymmddN */ /* yyyymmddN */
#define CATALOG_VERSION_NO 201605031 #define CATALOG_VERSION_NO 201605051
#endif #endif
src/include/catalog/pg_proc.h
View file @ 0b9a2344
...@@ -4539,18 +4539,18 @@ DESCR("set given weight for whole tsvector"); ...@@ -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_ )); 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"); 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 = 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"); 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"); 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_ )); 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"); 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_ )); 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_ )); 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"); DESCR("build tsvector from array of lexemes");
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_ )); 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("returns tsvector that contain only postings with given weights"); 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 = 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_ )); 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_ ));
......
src/test/regress/expected/tstypes.out
View file @ 0b9a2344
...@@ -979,73 +979,73 @@ SELECT strip('base hidden rebel spaceship strike'::tsvector); ...@@ -979,73 +979,73 @@ SELECT strip('base hidden rebel spaceship strike'::tsvector);
'base' 'hidden' 'rebel' 'spaceship' 'strike' 'base' 'hidden' 'rebel' 'spaceship' 'strike'
(1 row) (1 row)
SELECT delete(to_tsvector('english', 'Rebel spaceships, striking from a hidden base'), 'spaceship'); SELECT ts_delete(to_tsvector('english', 'Rebel spaceships, striking from a hidden base'), 'spaceship');
delete ts_delete
------------------------------------------ ------------------------------------------
'base':7 'hidden':6 'rebel':1 'strike':3 'base':7 'hidden':6 'rebel':1 'strike':3
(1 row) (1 row)
SELECT 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, 'base');
delete ts_delete
-------------------------------------------------------------- --------------------------------------------------------------
'hidden':6 'rebel':1 'spaceship':2,33A,34B,35C,36 'strike':3 'hidden':6 'rebel':1 'spaceship':2,33A,34B,35C,36 'strike':3
(1 row) (1 row)
SELECT 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, 'bas');
delete ts_delete
----------------------------------------------------------------------- -----------------------------------------------------------------------
'base':7 'hidden':6 'rebel':1 'spaceship':2,33A,34B,35C,36 'strike':3 'base':7 'hidden':6 'rebel':1 'spaceship':2,33A,34B,35C,36 'strike':3
(1 row) (1 row)
SELECT 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, 'bases');
delete ts_delete
----------------------------------------------------------------------- -----------------------------------------------------------------------
'base':7 'hidden':6 'rebel':1 'spaceship':2,33A,34B,35C,36 'strike':3 'base':7 'hidden':6 'rebel':1 'spaceship':2,33A,34B,35C,36 'strike':3
(1 row) (1 row)
SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'spaceship'); SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'spaceship');
delete ts_delete
------------------------------------------ ------------------------------------------
'base':7 'hidden':6 'rebel':1 'strike':3 'base':7 'hidden':6 'rebel':1 'strike':3
(1 row) (1 row)
SELECT delete('base hidden rebel spaceship strike'::tsvector, 'spaceship'); SELECT ts_delete('base hidden rebel spaceship strike'::tsvector, 'spaceship');
delete ts_delete
---------------------------------- ----------------------------------
'base' 'hidden' 'rebel' 'strike' 'base' 'hidden' 'rebel' 'strike'
(1 row) (1 row)
SELECT 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['spaceship','rebel']);
delete ts_delete
-------------------------------- --------------------------------
'base':7 'hidden':6 'strike':3 'base':7 'hidden':6 'strike':3
(1 row) (1 row)
SELECT 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['spaceships','rebel']);
delete ts_delete
------------------------------------------------------------- -------------------------------------------------------------
'base':7 'hidden':6 'spaceship':2,33A,34B,35C,36 'strike':3 'base':7 'hidden':6 'spaceship':2,33A,34B,35C,36 'strike':3
(1 row) (1 row)
SELECT 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['spaceshi','rebel']);
delete ts_delete
------------------------------------------------------------- -------------------------------------------------------------
'base':7 'hidden':6 'spaceship':2,33A,34B,35C,36 'strike':3 'base':7 'hidden':6 'spaceship':2,33A,34B,35C,36 'strike':3
(1 row) (1 row)
SELECT delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceship','leya','rebel']); SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceship','leya','rebel']);
delete ts_delete
-------------------------------- --------------------------------
'base':7 'hidden':6 'strike':3 'base':7 'hidden':6 'strike':3
(1 row) (1 row)
SELECT delete('base hidden rebel spaceship strike'::tsvector, ARRAY['spaceship','leya','rebel']); SELECT ts_delete('base hidden rebel spaceship strike'::tsvector, ARRAY['spaceship','leya','rebel']);
delete ts_delete
-------------------------- --------------------------
'base' 'hidden' 'strike' 'base' 'hidden' 'strike'
(1 row) (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 ERROR: lexeme array may not contain nulls
SELECT unnest('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector); SELECT unnest('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector);
unnest unnest
...@@ -1155,17 +1155,17 @@ SELECT setweight('a asd w:5,6,12B,13A zxc'::tsvector, 'c', '{a,zxc}'); ...@@ -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]); SELECT setweight('a asd w:5,6,12B,13A zxc'::tsvector, 'c', ARRAY['a', 'zxc', NULL]);
ERROR: lexeme array may not contain nulls 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}'); 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}');
filter ts_filter
------------------------------------------------------------- -------------------------------------------------------------
'base':7A 'hidden':6A 'rebel':1A 'spaceship':2A 'strike':3A 'base':7A 'hidden':6A 'rebel':1A 'spaceship':2A 'strike':3A
(1 row) (1 row)
SELECT filter('base hidden rebel spaceship strike'::tsvector, '{a}'); SELECT ts_filter('base hidden rebel spaceship strike'::tsvector, '{a}');
filter ts_filter
-------- -----------
(1 row) (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 ERROR: weight array may not contain nulls
src/test/regress/sql/tstypes.sql
View file @ 0b9a2344
...@@ -193,19 +193,19 @@ SELECT strip('w:12B w:13* w:12,5,6 a:1,3* a:3 w asd:1dc asd'::tsvector); ...@@ -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:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector);
SELECT strip('base hidden rebel spaceship strike'::tsvector); SELECT strip('base hidden rebel spaceship strike'::tsvector);
SELECT delete(to_tsvector('english', 'Rebel spaceships, striking from a hidden base'), 'spaceship'); SELECT ts_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 ts_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 ts_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 ts_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 ts_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('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 ts_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 ts_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 ts_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 ts_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 ts_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 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:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector);
SELECT unnest('base hidden rebel spaceship strike'::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', ' ...@@ -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', '{a,zxc}');
SELECT setweight('a asd w:5,6,12B,13A zxc'::tsvector, 'c', ARRAY['a', 'zxc', NULL]); 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 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 filter('base hidden rebel spaceship strike'::tsvector, '{a}'); SELECT ts_filter('base hidden rebel spaceship strike'::tsvector, '{a}');
SELECT filter('base hidden rebel spaceship strike'::tsvector, '{a,b,NULL}'); SELECT ts_filter('base hidden rebel spaceship strike'::tsvector, '{a,b,NULL}');
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