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LEFT JOIN
author Adam Chlipala <adamc@hcoop.net>
date Tue, 28 Apr 2009 11:05:28 -0400
parents 16bfd9e244cd
children f95d652086cd
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table t : { A : int, B : string, C : option string }

fun main () =
    r <- oneRow (SELECT * FROM t);
    r <- oneRow (SELECT * FROM t AS T1, t AS T2);
    r <- oneRow (SELECT * FROM t AS T1 CROSS JOIN t AS T2);
    r <- oneRow (SELECT * FROM t AS T1 JOIN t AS T2 ON T1.A = T2.A);
    r <- oneRow (SELECT * FROM t AS T1 LEFT JOIN t AS T2 ON T1.A = T2.A);
    return <xml/>