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annotate tests/t_t.ur @ 1886:b7cd3c7c7edd

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Interpret 'table' signature items more flexibly, automatically adding (Ur) constraints to support a kind of subtyping over (SQL) constraint sets
author Adam Chlipala <adam@chlipala.net>
date Mon, 04 Nov 2013 15:14:23 -0500
parents 8fce85939259
children
rev   line source
adam@1467 1 table t : {A : int, B : string}
adam@1466 2
adam@1467 3 task initialize = fn () => dml (UPDATE t SET A = A + 1 WHERE TRUE);
adam@1467 4 dml (UPDATE t SET B = 'q' WHERE TRUE)