ca0830e5a2
makeWholeRowVar() has different rules for constructing a whole-row Var depending on the kind of RTE it's representing. This turns out to be problematic because the rewriter and planner can convert view RTEs and set-returning-function RTEs into subquery RTEs; so a whole-row Var made during planning might look different from one made by the parser. In isolation this doesn't cause any problem, but if a query contains Vars made both ways for the same varno, there are cross-checks in the executor that will complain. This manifests for UPDATE, DELETE, and MERGE queries that use whole-row table references. To fix, we need makeWholeRowVar() to produce the same result from an inlined RTE as it would have for the original. For an inlined view, we can use RangeTblEntry.relid to detect that this had been a view RTE. For inlined SRFs, make a data structure definition change akin to commit 47bb9db75, and say that we won't clear RangeTblEntry.functions until the end of planning. That allows makeWholeRowVar() to repeat what it would have done with the unmodified RTE. Reported-by: Duncan Sands <duncan.sands@deepbluecap.com> Reported-by: Dean Rasheed <dean.a.rasheed@gmail.com> Diagnosed-by: Tender Wang <tndrwang@gmail.com> Author: Tom Lane <tgl@sss.pgh.pa.us> Reviewed-by: Dean Rasheed <dean.a.rasheed@gmail.com> Discussion: https://postgr.es/m/3518c50a-ab18-482f-b916-a37263622501@deepbluecap.com Backpatch-through: 13
PostgreSQL Database Management System
This directory contains the source code distribution of the PostgreSQL database management system.
PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/17/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/17/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.