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561885db05
Modify this function and its subsidiaries so that syscall failures are reported via ereport(LOG), rather than silently ignored as before. We don't want to throw a hard ERROR, as that would prevent database startup, and getting rid of leftover temporary files is not important enough for that. On the other hand, not reporting trouble at all seems like an odd choice not in line with current project norms, especially since any failure here is quite unexpected. On the same reasoning, adjust these functions' AllocateDir/ReadDir calls so that failure to scan a directory results in LOG not ERROR. I also removed the previous practice of silently ignoring ENOENT failures during directory opens --- there are some corner cases where that could happen given a previous database crash, but that seems like a bad excuse for ignoring a condition that isn't expected in most cases. A LOG message during postmaster start seems OK in such situations, and better than no output at all. In passing, make RemovePgTempRelationFiles' test for "is the file name all digits" look more like the way it's done elsewhere. Discussion: https://postgr.es/m/19907.1512402254@sss.pgh.pa.us |
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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/.