Обсуждение: ORDER BY FIELD feature
Does postgresql have something similar to the ORDER BY FIELD feature found in MySQL?
Something like ORDER BY FIELD(ID, 10, 2, 56, 40);
It is listed here: http://dev.mysql.com/doc/refman/5.0/en/sorting-rows.html
I am using the Sphinx Search program, www.sphinxsearch.com, and it returns a list of IDs ordered by relevance. I take the array it gives me and create a comma separated list which is used in a postgres query using the WHERE "ID" IN (10, 2, 56, 40) statement. I would like to order the result by the order of the list.
Thanks.
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Kevin Reynolds a écrit : > Does postgresql have something similar to the ORDER BY FIELD feature > found in MySQL? > > Something like ORDER BY FIELD(ID, 10, 2, 56, 40); > > It is listed here: http://dev.mysql.com/doc/refman/5.0/en/sorting-rows.html > > I am using the Sphinx Search program, www.sphinxsearch.com > <http://www.sphinxsearch.com>, and it returns a list of IDs ordered by > relevance. I take the array it gives me and create a comma separated > list which is used in a postgres query using the WHERE "ID" IN (10, 2, > 56, 40) statement. I would like to order the result by the order of the > list. > ORDER BY ID=10 DESC, ID=2 DESC, ID=56 DESC, ID=40 DESC is the only way, AFAIK. Regards. -- Guillaume. http://www.postgresqlfr.org http://dalibo.com