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Amit Kapila 16e7bcfac5 During the split, set checksum on an empty hash index page.
On a split, we allocate a new splitpoint's worth of bucket pages wherein
we initialize the last page with zeros which is fine, but we forgot to set
the checksum for that last page.

We decided to back-patch this fix till 10 because we don't have an easy
way to test it in prior versions.  Another reason is that the hash-index
code is changed heavily in 10, so it is not advisable to push the fix
without testing it in prior versions.

Author: Amit Kapila
Reviewed-by: Yugo Nagata
Backpatch-through: 10
Discussion: https://postgr.es/m/5d03686d-727c-dbf8-0064-bf8b97ffe850@2ndquadrant.com
2018-09-04 08:33:33 +05:30
config LLVMJIT: LLVMGetHostCPUFeatures now is upstream, use LLMV version if available. 2018-08-24 10:21:48 -07:00
contrib Avoid using potentially-under-aligned page buffers. 2018-09-01 15:27:13 -04:00
doc Remove pg_constraint.conincluding 2018-09-03 12:58:42 -03:00
src During the split, set checksum on an empty hash index page. 2018-09-04 08:33:33 +05:30
.dir-locals.el Update documentation editor setup instructions 2018-07-13 21:28:18 +02:00
.gitattributes Remove contrib/tsearch2. 2017-02-13 11:06:11 -05:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
aclocal.m4 Add configure infrastructure (--with-llvm) to enable LLVM support. 2018-03-20 17:26:25 -07:00
configure LLVMJIT: LLVMGetHostCPUFeatures now is upstream, use LLMV version if available. 2018-08-24 10:21:48 -07:00
configure.in Stamp 11beta3. 2018-08-06 16:02:42 -04:00
COPYRIGHT Update copyright for 2018 2018-01-02 23:30:12 -05:00
GNUmakefile.in Ensure we build generated headers at the start of some more cases. 2018-07-30 18:04:39 -04:00
HISTORY Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
Makefile Fix non-GNU makefiles for AIX make. 2017-11-30 00:57:22 -08:00
README Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
README.git Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00

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/.