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Mirror of the official PostgreSQL GIT repository. Note that this is just a *mirror* - we don't work with pull requests on github. To contribute, please see https://wiki.postgresql.org/wiki/Submitting_a_Patch
f4ccee408d
When ts_rewrite()'s replacement argument is an empty tsquery, it's supposed to simplify any operator nodes whose operand(s) become NULL; but it failed to do that reliably, because dropvoidsubtree() only examined the top level of the result tree. Rather than make a second recursive pass, let's just give the responsibility to dofindsubquery() to simplify while it's doing the main replacement pass. Per report from Andreas Seltenreich. Artur Zakirov, with some cosmetic changes by me. Back-patch to all supported branches. Discussion: https://postgr.es/m/8737i01dew.fsf@credativ.de |
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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/.