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d08c44f7a4
The formulas used to calculate size while (de)serializing mvndistinct and functional dependencies were based on offset() of the structs. But that is incorrect, because the structures are not copied directly, we we copy the individual fields directly. At the moment this works fine, because there is no alignment padding on any platform we support. But it might break if we ever added some fields into any of the structs, for example. It's also confusing. Fixed by reworking the macros to directly sum sizes of serialized fields. The macros are now useful only for serialiation, so there is no point in keeping them in the public header file. So make them private by moving them to the .c files. Also adds a couple more asserts to check the serialization, and fixes an incorrect allocation of MVDependency instead of (MVDependency *). Reported-By: Tom Lane Discussion: https://postgr.es/m/29785.1555365602@sss.pgh.pa.us |
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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: https://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 https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.