On 2013-11-05 11:15:29 -0800, Josh Berkus wrote: > Noah, > > > That's all true, but the system has no concept like "this cast validates the > > data, never changing it". We would first need to add metadata supporting > > such > > a concept. On the other hand, "create cast (json as text) without > > function;" > > leans only on concepts the system already knows. > > > > Yeah, I'm thinking it might be worth coming up with a solution for that > specific case. As users upgrade from 9.0 and 9.1 to 9.3, they're going > to want to convert their text columns containing JSON to columns of the > JSON type, and are going to be surprised how painful that is.
There's zap chance of doing anything for 9.3, this would require quite a bit of code in tablecmds.c and that surely isn't going to happen in the backbranches. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
