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Revert support for ALTER TABLE ... MERGE/SPLIT PARTITION(S) commands

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This commit reverts 1adf16b8fb, 87c21bb941, and subsequent fixes and
improvements including df64c81ca9, c99ef1811a, 9dfcac8e15, 885742b9f8,
842c9b2705, fcf80c5d5f, 96c7381c4c, f4fc7cb54b, 60ae37a8bc, 259c96fa8f,
449cdcd486, 3ca43dbbb6, 2a679ae94e, 3a82c689fd, fbd4321fd5, d53a4286d7,
c086896625, 4e5d6c4091, 04158e7fa3.

The reason for reverting is security issues related to repeatable name lookups
(CVE-2014-0062).  Even though 04158e7fa3 solved part of the problem, there
are still remaining issues, which aren't feasible to even carefully analyze
before the RC deadline.

Reported-by: Noah Misch, Robert Haas
Discussion: https://postgr.es/m/20240808171351.a9.nmisch%40google.com
Backpatch-through: 17
This commit is contained in:
Alexander Korotkov
2024-08-24 18:48:48 +03:00
parent 6e8a0317b4
commit 3890d90c15
25 changed files with 36 additions and 6828 deletions
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6
src/backend/tcop/utility.c
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@@ -1225,12 +1225,6 @@ ProcessUtilitySlow(ParseState *pstate,
morestmts = expandTableLikeClause(table_rv, like);
stmts = list_concat(morestmts, stmts);
/*
* Store the OID of newly created relation to the
* TableLikeClause for the caller to use it.
*/
like->newRelationOid = address.objectId;
}
else
{