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Michael Paquier 322becb608 Switch the regression tests of pg_upgrade to use TAP tests 
This simplifies a lot of code in the tests of pg_upgrade without
sacrificing its coverage:
- Removal of test.sh used for builds with make, that has accumulated
over the years tweaks for problems that are solved in a duplicated way
by the centralized TAP framework (initialization of the various
environment variables PG*, port selection).
- Removal of the code in MSVC to test pg_upgrade.  This was roughly a
duplicate of test.sh adapted for Windows, with an extra footprint of
a pg_regress command and all the assumptions behind it.

Support for upgrades with older versions is changed, not removed.
test.sh was able to set up the regression database on the old instance
by launching itself the pg_regress command and a dependency to the
source tree of thd old cluster, with tweaks on the command arguments to
adapt across the versions used.  This created a backward-compatibility
dependency with older pg_regress commands, and recent changes like
d1029bb have made that much more complicated.

Instead, this commit allows tests with older major versions by
specifying a path to a SQL dump (taken with pg_dumpall from the old
cluster's installation) that will be loaded into the old instance to
upgrade instead of running pg_regress, through an optional environment
variable called $olddump.  This requires a second variable called
$oldinstall to point to the base path of the installation of the old
cluster.  This method is more in line with the buildfarm client that
uses a set of static dumps to set up an old instance, so hopefully we
will be able to reuse what is introduced in this commit there.  The last
step of the tests that checks for differences between the two dumps
taken still needs to be improved as it can fail, requiring a manual
lookup at the dumps.  This is not different from the old way of testing
where things could fail at the last step.

Support for EXTRA_REGRESS_OPTS is kept.  vcregress.pl in the MSVC
scripts still handles the test of pg_upgrade with its upgradecheck, and
bincheck is changed to skip pg_upgrade.

Author: Michael Paquier
Reviewed-by: Andrew Dunstan, Andres Freund, Rachel Heaton, Tom Lane,
Discussion: https://postgr.es/m/YJ8xTmLQkotVLpN5@paquier.xyz
2022-04-01 10:13:50 +09:00
config Refactor DLSUFFIX handling 2022-03-25 08:56:02 +01:00
contrib Fix postgres_fdw to check shippability of sort clauses properly. 2022-03-31 14:29:48 -04:00
doc doc: Fix typo in ANALYZE documentation 2022-03-31 12:03:33 +02:00
src Switch the regression tests of pg_upgrade to use TAP tests 2022-04-01 10:13:50 +09:00
.cirrus.yml ci: enable zstd where available. 2022-03-30 09:33:28 -07:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Add .editorconfig 2019-12-18 09:13:13 +01:00
.git-blame-ignore-revs Add a few recent and not so recent revs to git-blame-ignore-revs. 2022-03-19 12:37:28 -07:00
.gitattributes gitattributes: Add new entry to silence whitespace error 2021-06-05 07:57:31 +02:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
aclocal.m4 Probe $PROVE not $PERL while checking for modules needed by TAP tests. 2021-11-22 12:54:52 -05:00
configure Refactor DLSUFFIX handling 2022-03-25 08:56:02 +01:00
configure.ac Refactor DLSUFFIX handling 2022-03-25 08:56:02 +01:00
COPYRIGHT Update copyright for 2022 2022-01-07 19:04:57 -05:00
GNUmakefile.in add missing tag from commit b8c4261e5e 2021-07-01 15:47:46 -04:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Dynamically find correct installation docs in Makefile. 2022-01-19 14:48:25 +01:00
README Canonicalize some URLs 2020-02-10 20:47:50 +01:00
README.git Canonicalize some URLs 2020-02-10 20:47:50 +01:00

README 

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/.