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view tests/coalesce.ur @ 2219:ff38b3e0cdfd

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Add interface to UnionFind.
author Ziv Scully <ziv@mit.edu>
date Mon, 24 Nov 2014 20:41:24 -0500
parents e44be6ece475
children
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table t : { A : option int }

fun main () : transaction page =
    queryX (SELECT COALESCE(t.A, 13)
            FROM t)
    (fn r => <xml>{[r.1]},</xml>)