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Some experimentation with an older version of gcc showed that it is able to determine whether "if (elevel_ >= ERROR)" is compile-time constant if elevel_ is declared "const", but otherwise not so much. We had accounted for that in ereport() but were too miserly with braces to make it so in elog(). I don't know how many currently-interesting compilers have the same quirk, but in case it will save some code space, let's make sure that elog() is on the same footing as ereport() for this purpose. Back-patch to 9.3 where we introduced pg_unreachable() calls into elog/ereport. |
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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: http://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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.