Mercurial > urweb
view tests/consub.ur @ 2160:72fe1cc704c5
Tag NULLs with their types in SQL, to help the DBMS do type inference
author | Adam Chlipala <adam@chlipala.net> |
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date | Sat, 04 Jul 2015 19:24:26 -0400 |
parents | 2e6795cc992f |
children |
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functor F(M : sig table t : { A : int, B : int } PRIMARY KEY A end) = struct open M fun getByA a = oneRow1 (SELECT * FROM t WHERE t.A = {[a]}) end table u : { A : int, B : int } PRIMARY KEY A, CONSTRAINT B UNIQUE B open F(struct val t = u end)