On Thursday 10. July 2008, Daniel Futerman wrote:
>Hi,
>
>Is there a quick solution to implementing user-defined variables in
>PostgreSQL as they are used in MySQL?
>
>I have the following MySQL script which i want to implement in
> Postgres (NOTE : all ` have been changed to " for Postgres use):
>
>SET @OTHER_CONCEPT_ID = (SELECT "concept_id" FROM "concept_name" where
> name = 'MRO' LIMIT 1);
You should probably think about using a function instead, like eg:
CREATE OR REPLACE
FUNCTION other_concept_id(INTEGER) RETURNS INTEGER AS $$
SELECT concept_id FROM concept_name where name = 'MRO' LIMIT 1;
$$ LANGUAGE sql STABLE;
hth,
--
Leif Biberg Kristensen | Registered Linux User #338009
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