I know it's not what you want (Pg behaving how you expect out of the box) but creating implicit casts to the desired types will resolve your immediate issue. You still have to run some Pg-specific code, but it can be restricted to your DDL where there's (presumably) already plenty. See: http://www.depesz.com/index.php/2008/05/05/error-operator-does-not-exist-integer-text-how-to-fix-it/ http://petereisentraut.blogspot.com/2008/03/readding-implicit-casts-in-postgresql.html http://wiki.postgresql.org/images/d/d1/Pg83-implicit-casts.sql -- Craig Ringer
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