📄 connection
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==================================================================Namedblink_connect -- Opens a persistent connection to a remote databaseSynopsisdblink_connect(text connstr)dblink_connect(text connname, text connstr)Inputs connname if 2 arguments are given, the first is used as a name for a persistent connection connstr standard libpq format connection string, e.g. "hostaddr=127.0.0.1 port=5432 dbname=mydb user=postgres password=mypasswd" if only one argument is given, the connection is unnamed; only one unnamed connection can exist at a timeOutputs Returns status = "OK"Example usageselect dblink_connect('dbname=template1'); dblink_connect---------------- OK(1 row)select dblink_connect('myconn','dbname=template1'); dblink_connect---------------- OK(1 row)==================================================================Namedblink_disconnect -- Closes a persistent connection to a remote databaseSynopsisdblink_disconnect()dblink_disconnect(text connname)Inputs connname if an argument is given, it is used as a name for a persistent connection to close; otherwiase the unnamed connection is closedOutputs Returns status = "OK"Example usagetest=# select dblink_disconnect(); dblink_disconnect------------------- OK(1 row)select dblink_disconnect('myconn'); dblink_disconnect------------------- OK(1 row)
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