On Mon, Jun 25, 2018 at 11:01:06PM -0400, Isaac Morland wrote: > I think an optional setting making DELETE and UPDATE without a WHERE clause > illegal would be handy. Obviously this would have to be optional for > backward compatibility. Perhaps even just a GUC setting, with the intent > being that one would set it in .psqlrc so that omitting the WHERE clause at > the command line would just be a syntax error. If one actually does need to > affect the whole table one can just say WHERE TRUE. For applications, which > presumably have their SQL queries tightly controlled and pre-written > anyway, this would most likely not be particularly useful.
There was a patch doing exactly that which was discussed last year: https://commitfest.postgresql.org/13/948/ https://www.postgresql.org/message-id/20160721045746.ga25...@fetter.org What was proposed was rather limiting though, see my messages on the thread. Using a hook, that's simple enough to develop an extension which does that. -- Michael
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