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multiple index entries in a holding area before adding them to the main index structure. This helps because bulk insert is (usually) significantly faster than retail insert for GIN. This patch also removes GIN support for amgettuple-style index scans. The API defined for amgettuple is difficult to support with fastupdate, and the previously committed partial-match feature didn't really work with it either. We might eventually figure a way to put back amgettuple support, but it won't happen for 8.4. catversion bumped because of change in GIN's pg_am entry, and because the format of GIN indexes changed on-disk (there's a metapage now, and possibly a pending list). Teodor Sigaev |
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| configure | ||
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| COPYRIGHT | ||
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| README.CVS | ||
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/.