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39132b784a
Teach contrib/amcheck's bt_index_check() function to check agreement between siblings links. The left sibling's right link should point to a right sibling page whose left link points back to the same original left sibling. This extends a check that bt_index_parent_check() always performed to bt_index_check(). This is the first time amcheck has been taught to perform buffer lock coupling, which we have explicitly avoided up until now. The sibling link check tends to catch a lot of real world index corruption with little overhead, so it seems worth accepting the complexity. Note that the new lock coupling logic would not work correctly on replica servers without the changes made by commits |
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config | ||
contrib | ||
doc | ||
src | ||
.dir-locals.el | ||
.editorconfig | ||
.gitattributes | ||
.gitignore | ||
aclocal.m4 | ||
configure | ||
configure.ac | ||
COPYRIGHT | ||
GNUmakefile.in | ||
HISTORY | ||
Makefile | ||
README | ||
README.git |
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/.