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In commit 45e02e3232ac7cc5ffe36f7986159b5e0b1f6fdc, we intentionally disallowed updates on individual elements of oidvector columns. While that still seems like a sane idea in the abstract, we (I) forgot that citext's "upgrade from unpackaged" script did in fact perform exactly such updates, in order to fix the problem that citext indexes should have a collation but would not in databases dumped or upgraded from pre-9.1 installations. Even if we wanted to add casts to allow such updates, there's no practical way to do so in the back branches, so the only real alternative is to make citext's kluge even klugier. In this patch, I cast the oidvector to text, fix its contents with regexp_replace, and cast back to oidvector. (Ugh!) Since the aforementioned commit went into all active branches, we have to fix this in all branches that contain the now-broken update script. Per report from Eric Malm.
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/.