Created
May 4, 2010 00:59
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| PGError: ERROR: function ts_rank_cd(text, tsquery) does not exist | |
| LINE 1: SELECT phrases.*, ts_rank_cd(phrases.vectors,tsearch_query) ... |
wallboard_development=# \df ts_rank_cd
List of functions
Schema | Name | Result data type | Argument data types | Type
------------+------------+------------------+------------------------------------+--------
pg_catalog | ts_rank_cd | real | real[], tsvector, tsquery | normal
pg_catalog | ts_rank_cd | real | real[], tsvector, tsquery, integer | normal
pg_catalog | ts_rank_cd | real | tsvector, tsquery | normal
pg_catalog | ts_rank_cd | real | tsvector, tsquery, integer | normal
(4 rows)
Look carefully at the signatures.
You're original error shows that 'phrases.vectors' is a 'text' object, not a tsvector object as expected.
Likely you'll need to do a to_tsvector()
wallboard_development=# \df to_tsvector
List of functions
Schema | Name | Result data type | Argument data types | Type
------------+-------------+------------------+---------------------+--------
pg_catalog | to_tsvector | tsvector | regconfig, text | normal
pg_catalog | to_tsvector | tsvector | text | normal
(2 rows)
Essentially what I'm saying is change the query to:
SELECT phrases.*, ts_rank_cd(to_tsvector(phrases.vectors), tsearch_query) ...
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SHOW search_path;
search_path
"$user",public
(1 row)