Add Postgres 13 among the tested and supported versions. No code adju…

…sment has been identified to support Postgres 13.

docs/en/upgrade.rst

@@ -145,6 +145,8 @@ The PostgreSQL extension manager determines the scripts to execute depending on
 
 But this upgrade is not able to process cases when at least one tables group has been created with a PostgreSQL version prior 8.4. In such a case, these old tables groups must be dropped before the upgrade and recreated after.
 
+This upgrade is also not possible with PostgreSQL version 13 and higher. For these PostgreSQL versions, E-Maj must be uninstalled and re-installed in its latest version.
+
 .. _extension_upgrade:
 
 Upgrade an E-Maj version already installed as an extension

docs/fr/upgrade.rst

@@ -146,6 +146,8 @@ C’est le gestionnaire d’extension de PostgreSQL qui détermine le ou les scr
 
 Cette mise à jour ne peut néanmoins pas traiter le cas où au moins un groupe de tables a été créé avec une version de PostgreSQL antérieure à 8.4. Dans ce cas le ou les groupes de tables concernés doivent être supprimés au préalable puis recréés par la suite.
 
+Cette mise à jour n’est pas non plus possible avec les versions PostgreSQL 13 et suivantes. Pour ces versions de PostgreSQL, E-Maj doit être désinstallé puis réinstallé dans sa dernière version.
+
 .. _extension_upgrade:
 
 Mise à jour d’une version déjà installée comme extension

test/10/expected/install_upgrade.out

@@ -11,11 +11,11 @@ CREATE EXTENSION IF NOT EXISTS btree_gist;
 -- check the extension's availability
 -----------------------------
 -- check the extension is available in the right version 
-select * from pg_available_extension_versions where name = 'emaj';
+select * from pg_available_extension_versions where name = 'emaj' order by version desc limit 2;
  name | version | installed | superuser | relocatable | schema |      requires       |                                            comment                                             
 ------+---------+-----------+-----------+-------------+--------+---------------------+------------------------------------------------------------------------------------------------
- emaj | 3.3.0   | f         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
  emaj | devel   | f         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
+ emaj | 3.3.0   | f         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
 (2 rows)
 
 -- look at all available update paths

test/10/expected/upgrade_while_logging.out

@@ -8,11 +8,11 @@ SET default_tablespace TO tspemaj;
 -- emaj update to the next version
 -----------------------------
 -- check the extension is available
-select * from pg_available_extension_versions where name = 'emaj';
+select * from pg_available_extension_versions where name = 'emaj' order by version desc limit 2;
  name | version | installed | superuser | relocatable | schema |      requires       |                                            comment                                             
 ------+---------+-----------+-----------+-------------+--------+---------------------+------------------------------------------------------------------------------------------------
- emaj | 3.3.0   | t         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
  emaj | devel   | f         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
+ emaj | 3.3.0   | t         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
 (2 rows)
 
 select relname from pg_catalog.pg_class, 

test/11/expected/install_upgrade.out

@@ -11,11 +11,11 @@ CREATE EXTENSION IF NOT EXISTS btree_gist;
 -- check the extension's availability
 -----------------------------
 -- check the extension is available in the right version 
-select * from pg_available_extension_versions where name = 'emaj';
+select * from pg_available_extension_versions where name = 'emaj' order by version desc limit 2;
  name | version | installed | superuser | relocatable | schema |      requires       |                                            comment                                             
 ------+---------+-----------+-----------+-------------+--------+---------------------+------------------------------------------------------------------------------------------------
- emaj | 3.3.0   | f         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
  emaj | devel   | f         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
+ emaj | 3.3.0   | f         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
 (2 rows)
 
 -- look at all available update paths

test/12/expected/install_upgrade.out

@@ -11,11 +11,11 @@ CREATE EXTENSION IF NOT EXISTS btree_gist;
 -- check the extension's availability
 -----------------------------
 -- check the extension is available in the right version 
-select * from pg_available_extension_versions where name = 'emaj';
+select * from pg_available_extension_versions where name = 'emaj' order by version desc limit 2;
  name | version | installed | superuser | relocatable | schema |      requires       |                                            comment                                             
 ------+---------+-----------+-----------+-------------+--------+---------------------+------------------------------------------------------------------------------------------------
- emaj | 3.3.0   | f         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
  emaj | devel   | f         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
+ emaj | 3.3.0   | f         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
 (2 rows)
 
 -- look at all available update paths

test/12/expected/upgrade_while_logging.out

@@ -8,11 +8,11 @@ SET default_tablespace TO tspemaj;
 -- emaj update to the next version
 -----------------------------
 -- check the extension is available
-select * from pg_available_extension_versions where name = 'emaj';
+select * from pg_available_extension_versions where name = 'emaj' order by version desc limit 2;
  name | version | installed | superuser | relocatable | schema |      requires       |                                            comment                                             
 ------+---------+-----------+-----------+-------------+--------+---------------------+------------------------------------------------------------------------------------------------
- emaj | 3.3.0   | t         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
  emaj | devel   | f         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
+ emaj | 3.3.0   | t         | t         | f           | emaj   | {dblink,btree_gist} | E-Maj extension enables fine-grained write logging and time travel on subsets of the database.
 (2 rows)
 
 select relname from pg_catalog.pg_class,