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31ed42b9a3
When gin_fuzzy_search_limit was used, we could jump out of startScan() without calling startScanKey(). That was harmless in 9.3 and below, because startScanKey()() didn't do anything interesting, but in 9.4 it initializes information needed for skipping entries (aka GIN fast scans), and you readily get a segfault if it's not done. Nevertheless, it was clearly wrong all along, so backpatch all the way to 9.1 where the early return was introduced. (AFAICS startScanKey() did nothing useful in 9.3 and below, because the fields it initialized were already initialized in ginFillScanKey(), but I don't dare to change that in a minor release. ginFillScanKey() is always called in gingetbitmap() even though there's a check there to see if the scan keys have already been initialized, because they never are; ginrescan() free's them.) In the passing, remove unnecessary if-check from the second inner loop in startScan(). We already check in the first loop that the condition is true for all entries. Reported by Olaf Gawenda, bug #12694, Backpatch to 9.1 and above, although AFAICS it causes a live bug only in 9.4. |
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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/.