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First, when LC_COLLATE = C, bttext_abbrev_convert should use memcpy() rather than strxfrm() to construct the abbreviated key, because the authoritative comparator uses memcpy(). If we do anything else here, we might get inconsistent answers, and the buildfarm says this risk is not theoretical. It should be faster this way, too. Second, while I'm looking at bttext_abbrev_convert, convert a needless use of goto into the loop it's trying to implement into an actual loop. Both of the above problems date to the original commit of abbreviated keys, commit 4ea51cdfe85ceef8afabceb03c446574daa0ac23. Third, fix a bogus assignment to tss->locale before tss is set up. That's a new goof in commit b529b65d1bf8537ca7fa024760a9782d7c8b66e5.
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/.