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Some clang versions whine about comparing an enum variable to a value outside the range of the enum, on the grounds that the result must be constant. In the cases we fix here, the loops will terminate only if the enum variable can in fact hold a value one beyond its declared range. While that's very likely to always be true for these enum types, it still seems like a poor coding practice to assume it; so use "int" loop variables instead to silence the warnings. (This matches what we've done in other places, for example loops over the range of ForkNumber.) While at it, let's drop the XXX_FIRST macros for these enums and just write zeroes for the loop start values. The apparent flexibility seems rather illusory given that iterating up to one-less-than- the-number-of-values is only correct for a zero-based range. Melanie Plageman Discussion: https://postgr.es/m/20520.1677435600@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/.