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comparison src/elab_env.sml @ 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 fdf48f6ba418
children 03642b83b57b
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1393:802c179dac1f 1394:d328983dc5a6