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9691aa72e2
Project style is to check the success of SearchSysCacheN and friends by applying HeapTupleIsValid to the result. A tiny minority of calls creatively did it differently. Bring them into line with the rest. This is just cosmetic, since HeapTupleIsValid is indeed just a null check at the moment ... but that may not be true forever, and in any case it puts a mental burden on readers who may wonder why these call sites are not like the rest. Back-patch to v11 just to keep the branches in sync. (The bulk of these errors seem to have originated in v11 or v12, though a few are old.) Per searching to see if anyplace else had made the same error repaired in 62148c352.
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. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.