Hi all,

How does one find the next value of a serial item?  Given a simple  
table with a serial primary key, I'd like to get the next available  
integer key value.  eg:

CREATE TABLE foo (
        foo_id          SERIAL          PRIMARY KEY,
        name            text                    DEFAULT NULL);

SELECT foo_id, name FROM foo;
 >
1|red
2|green
3|blue

SELECT ???;
 >
4


Thanks!
Scott




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