hola actualmente estoy creando un proyecto siguiendo los pasos de un libro en pdf . en especifico el Apress.Neginning PHP and Postgress.
he llegado al capitulo de crear el buscador de la pagina, bueno lo dicho me he topado con lo siguiente .
ERRNO: 256
TEXT: SQLSTATE[42883]: Undefined function: 7 ERROR: function rank(tsvector, tsquery) does not exist
LINE 1: ...FROM product WHERE search_vector @@ $1 ORDER BY rank(searc...
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
QUERY: SELECT product_id, name, description, price, discounted_price, thumbnail FROM product WHERE search_vector @@ $1 ORDER BY rank(search_vector, $1 ) DESC LIMIT $2 OFFSET $3
CONTEXT: PL/pgSQL function "catalog_search" line 30 at FOR over SELECT rows
LOCATION: C:\xampp\htdocs\hatshop\business\database_handler. php, line 85, at November 15, 2011, 7:59 pm
Showing backtrace:
trigger_error("SQLSTATE[42883]: Undefined function: 7 ERROR: function rank(tsv...", "256") # line 85, file: C:\xampp\htdocs\hatshop\business\database_handler. php
DatabaseHandler.Execute(Object: PDOStatement, Array[5]) # line 99, file: C:\xampp\htdocs\hatshop\business\database_handler. php
DatabaseHandler.GetAll(Object: PDOStatement, Array[5]) # line 241, file: C:\xampp\htdocs\hatshop\business\catalog.php
Catalog.Search("yankee", "off", "1", "1") # line 57, file: C:\xampp\htdocs\hatshop\presentation\smarty_plugin s\function.load_products_list.php
ProductsList.init() # line 7, file: C:\xampp\htdocs\hatshop\presentation\smarty_plugin s\function.load_products_list.php
smarty_function_load_products_list(Array[1], Object: Page) # line 5, file: C:\xampp\htdocs\hatshop\presentation\templates_c\% %10^108^1083067C%%products_list.tpl.php
include("C:\xampp\htdocs\hatshop\presentation\temp lates_c\%%10^108^108306...") # line 1869, file: C:\xampp\htdocs\hatshop\libs\smarty\Smarty.class.p hp
Smarty._smarty_include(Array[2]) # line 6, file: C:\xampp\htdocs\hatshop\presentation\templates_c\% %B6^B60^B609D7CD%%search_results.tpl.php
include("C:\xampp\htdocs\hatshop\presentation\temp lates_c\%%B6^B60^B609D7...") # line 1869, file: C:\xampp\htdocs\hatshop\libs\smarty\Smarty.class.p hp
Smarty._smarty_include(Array[2]) # line 39, file: C:\xampp\htdocs\hatshop\presentation\templates_c\% %45^45E^45E480CD%%index.tpl.php
include("C:\xampp\htdocs\hatshop\presentation\temp lates_c\%%45^45E^45E480...") # line 1256, file: C:\xampp\htdocs\hatshop\libs\smarty\Smarty.class.p hp
Smarty.fetch("index.tpl", null, null, true) # line 1106, file: C:\xampp\htdocs\hatshop\libs\smarty\Smarty.class.p hp
Smarty.display("index.tpl") # line 34, file: C:\xampp\htdocs\hatshop\index.php
esto cuando trato de buscar algo con el boton.
cuando cree la funcion catalog search no me arrojo ningun error eh aqui la funcion
-- Create catalog_search function
CREATE FUNCTION catalog_search(TEXT[], VARCHAR(3), INTEGER, INTEGER, INTEGER)
RETURNS SETOF product_list LANGUAGE plpgsql AS $$
DECLARE
inWords ALIAS FOR $1;
inAllWords ALIAS FOR $2;
inShortProductDescriptionLength ALIAS FOR $3;
inProductsPerPage ALIAS FOR $4;
inStartPage ALIAS FOR $5;
outProductListRow product_list;
query TEXT;
search_operator VARCHAR(1);
query_string TSQUERY;
BEGIN
-- Initialize query with an empty string
query := '';
-- All-words or Any-words?
IF inAllWords = 'on' THEN
search_operator := '&';
ELSE
search_operator := '|';
END IF;
-- Compose the search string
FOR i IN array_lower(inWords, 1)..array_upper(inWords, 1) LOOP
IF i = array_upper(inWords, 1) THEN
query := query||inWords[i];
ELSE
query := query||inWords[i]||search_operator;
END IF;
END LOOP;
query_string := to_tsquery(query);
-- Return the search results
FOR outProductListRow IN
SELECT product_id, name, description, price,
discounted_price, thumbnail
FROM product
WHERE search_vector @@ query_string
ORDER BY rank(search_vector, query_string) DESC
LIMIT inProductsPerPage
OFFSET inStartPage
LOOP
IF char_length(outProductListRow.description) >
inShortProductDescriptionLength THEN
outProductListRow.description :=
substring(outProductListRow.description, 1,
inShortProductDescriptionLength) || '...';
END IF;
RETURN NEXT outProductListRow;
END LOOP;
END;
$$;
mi version del postgress la 8.3 .... saludos...
