Reject non-ON-SELECT rules that are named "_RETURN".
DefineQueryRewrite() has long required that ON SELECT rules be named
"_RETURN". But we overlooked the converse case: we should forbid
non-ON-SELECT rules that are named "_RETURN". In particular this
prevents using CREATE OR REPLACE RULE to overwrite a view's _RETURN
rule with some other kind of rule, thereby breaking the view.
Per bug #17646 from Kui Liu. Back-patch to all supported branches.
Discussion: https://postgr.es/m/17646-70c93cfa40365776@postgresql.org
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/797e313dc9aed83e28e9f1d08a281ea48c560cd2
Modified Files
--------------
src/backend/rewrite/rewriteDefine.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
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