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e13ac5586c
It's possible to begin and end an indexscan without ever calling amrescan. contrib/bloom, unlike every other index AM, allocated its "scan->opaque" storage at amrescan time, and thus would crash in amendscan if amrescan hadn't been called. We could fix this by putting in a null-pointer check in blendscan, but I see no very good reason why contrib/bloom should march to its own drummer in this respect. Let's move that initialization to blbeginscan instead. Per report from Jeff Janes.
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/.