On Thu, Jul 21, 2016 at 09:49:33AM -0400, Tom Lane wrote: > David Fetter <da...@fetter.org> writes: > > Please find attached a patch which makes it possible to disallow > > UPDATEs and DELETEs which lack a WHERE clause. As this changes query > > behavior, I've made the new GUCs PGC_SUSET. > > > What say? > > -1. This is an express violation of the SQL standard, and at least the > UPDATE case has reasonable use-cases. Moreover, if your desire is to have > training wheels for SQL, there are any number of other well-known gotchas > that are just as dangerous, for example ye olde unintentionally-correlated > subselect: > https://www.postgresql.org/message-id/20160714135233.1410.92538%40wrigleys.postgresql.org
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I am hoping for a "novice" mode that issues warnings about possible bugs, e.g. unintentionally-correlated subselect, and this could be part of that. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + As you are, so once was I. As I am, so you will be. + + Ancient Roman grave inscription + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
