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As noted by Noah Misch, my initial cut at fixing bug #11638 didn't cover all cases where ANALYZE might be invoked in an unsafe context. We need to test the result of IsInTransactionChain not IsTransactionBlock; which is notationally a pain because IsInTransactionChain requires an isTopLevel flag, which would have to be passed down through several levels of callers. I chose to pass in_outer_xact (ie, the result of IsInTransactionChain) rather than isTopLevel per se, as that seemed marginally more apropos for the intermediate functions to know about.
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/.