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annotate demo/batchG.ur @ 1394:d328983dc5a6

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Allow subqueries to reference aggregate-only columns of free tables; treat non-COUNT aggregate functions as possibly returning NULL
author Adam Chlipala <adam@chlipala.net>
date Sat, 15 Jan 2011 14:53:13 -0500
parents a44daa674810
children
rev   line source
adamc@650 1 table t : {Id : int, A : string, B : float}
adamc@708 2 PRIMARY KEY Id
adamc@650 3
adamc@782 4 open BatchFun.Make(struct
adamc@782 5 val tab = t
adamc@782 6 val title = "BatchG"
adamc@782 7 val cols = {A = BatchFun.string "A",
adamc@782 8 B = BatchFun.float "B"}
adamc@782 9 end)