On 2/1/22 05:42, aditya desai wrote: > Hi All, > how can I pass variables in dblink_connect_u ? > > Current code hardcoded DB name: > perform * from dblink_connect_u('myconn','dbname=mydb'); > > Expected: > databasename=current_database(); > perform * from dblink_connect_u('myconn','dbname=databasename'); > > databasename is getting considered as text.
Correct, it is a string literal. So just create the string literal using string manipulation functionality -- e.g.:
SELECT dblink_connect_u('myconn','dbname=' || current_database()); dblink_connect_u ------------------ OK (1 row)
HTH,
Joe
-- Crunchy Data - http://crunchydata.com PostgreSQL Support for Secure Enterprises Consulting, Training, & Open Source Development
