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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2022-10-17 12:14:39 -0400 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2022-10-17 12:14:39 -0400 |
| commit | 4a41a069e7ac78e0a8b700fac181f59a234f8606 (patch) | |
| tree | f957df65a21cfda57f641f527c2174a44ba2bc6e /src/backend/utils/adt/misc.c | |
| parent | 2e3326929b0ba9f421f2ab1270c57b294c208a99 (diff) | |
| download | postgresql-4a41a069e7ac78e0a8b700fac181f59a234f8606.tar.gz postgresql-4a41a069e7ac78e0a8b700fac181f59a234f8606.zip | |
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
Diffstat (limited to 'src/backend/utils/adt/misc.c')
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