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e2ff7d9a83
It was clearly the intent to do so all along, but the original coding fat-fingered this by checking the wrong array element. We fixed it in passing in 403a3d91c, but that later got reverted, and we forgot to keep this bug fix. Most of the time this'd be relatively harmless, since once we lock any of the partitioned table's leaf partitions, that would suffice to prevent major DDL on the partitioned table itself. However, a childless partitioned table would get dumped with no relevant lock whatsoever, possibly allowing dump failure or inconsistent output. Unlike 403a3d91c, there are no versioning concerns, since every server version that has partitioned tables will allow you to lock one. Back-patch to v10 where partitioned tables were introduced. Discussion: https://postgr.es/m/1018205.1634346327@sss.pgh.pa.us
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/.