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The existing code in NUM_numpart_from_char has hard-wired logic to treat '.' as decimal point, even when we're using a locale-aware format string and the locale says that '.' is the thousands separator. This results in clearly wrong answers in FM mode (where we must be able to identify the decimal point location), as per bug report from Patryk Kordylewski. Since the initialization code in NUM_prepare_locale already sets up Np->decimal as either the locale decimal-point string or "." depending on which decimal-point format code was used, there's really no need to have any extra logic at all in NUM_numpart_from_char: we only need to test for a match to Np->decimal. (Note: AFAICS there's nothing in here that explicitly checks for thousands separators --- rather, any unmatched character is silently skipped over. That's pretty bogus IMO but it's not the issue being complained of.) This is a longstanding bug, but it's possible that some existing apps are depending on '.' being recognized as decimal point even when using a D format code. Hence, no back-patch. We should probably list this as a potential incompatibility in the 9.3 release notes. |
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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. Changes between all PostgreSQL releases are recorded in the file HISTORY. 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/.