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b3b7f7898f
CheckIndexCompatible() misused ComputeIndexAttrs() by not bothering to fill ii_NumIndexAttrs and ii_NumIndexKeyAttrs in the passed IndexInfo. Omission of ii_NumIndexAttrs was previously unimportant, but now this matters because ComputeIndexAttrs depends on ii_NumIndexKeyAttrs to decide how many columns it needs to report on. (BTW, the fact that this oversight wasn't detected earlier implies that we have no regression test verifying whether CheckIndexCompatible ever succeeds. Bad dog. Not the job of this patch to fix it, though.) Also, change the API of ComputeIndexAttrs so that it fills the opclass output array for all column positions, as it does for the options output array; positions for non-key index columns are filled with zeroes. This isn't directly fixing any bug, but it seems like a good idea. Per valgrind failure reports from buildfarm. Alexander Korotkov, tweaked a bit by me Discussion: https://postgr.es/m/CAPpHfduWrysrT-qAhn+3Ea5+Mg6Vhc-oA6o2Z-hRCPRdvf3tiw@mail.gmail.com |
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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/.