Set minimum supported PostgreSQL version to 12

There is a change somewhere either between pg 11 and 12 or with the
associated PostGIS version used where float resuls have more precision
in the new version which makes our tests fail on 11.

Version 11 is out of support upsteam anyways.

Author: joto

.github/workflows/ci.yml

@@ -4,15 +4,15 @@ on: [ push, pull_request ]
 
 jobs:
 
-  ubuntu22-pg11-gcc10-jit:
+  ubuntu22-pg12-gcc10-jit:
     runs-on: ubuntu-22.04
 
     env:
       CC: gcc-10
       CXX: g++-10
       LUA_VERSION: 5.3
       LUAJIT_OPTION: ON
-      POSTGRESQL_VERSION: 11
+      POSTGRESQL_VERSION: 12
       POSTGIS_VERSION: 3
       BUILD_TYPE: Release
       PSYCOPG: 2
@@ -23,15 +23,15 @@ jobs:
       - uses: ./.github/actions/linux-cmake
       - uses: ./.github/actions/build-and-test
 
-  ubuntu22-pg11-clang13-jit:
+  ubuntu22-pg12-clang13-jit:
     runs-on: ubuntu-22.04
 
     env:
       CC: clang-13
       CXX: clang++-13
       LUA_VERSION: 5.3
       LUAJIT_OPTION: ON
-      POSTGRESQL_VERSION: 11
+      POSTGRESQL_VERSION: 12
       POSTGIS_VERSION: 3
       BUILD_TYPE: Release
       PSYCOPG: 2
@@ -42,15 +42,15 @@ jobs:
       - uses: ./.github/actions/linux-cmake
       - uses: ./.github/actions/build-and-test
 
-  ubuntu22-pg11-gcc10:
+  ubuntu22-pg12-gcc10:
     runs-on: ubuntu-22.04
 
     env:
       CC: gcc-10
       CXX: g++-10
       LUA_VERSION: 5.3
       LUAJIT_OPTION: OFF
-      POSTGRESQL_VERSION: 11
+      POSTGRESQL_VERSION: 12
       POSTGIS_VERSION: 3
       BUILD_TYPE: Debug
       PSYCOPG: 2
@@ -62,15 +62,15 @@ jobs:
       - uses: ./.github/actions/build-and-test
 
 
-  ubuntu22-pg11-clang13:
+  ubuntu22-pg12-clang13:
     runs-on: ubuntu-22.04
 
     env:
       CC: clang-13
       CXX: clang++-13
       LUA_VERSION: 5.3
       LUAJIT_OPTION: OFF
-      POSTGRESQL_VERSION: 11
+      POSTGRESQL_VERSION: 12
       POSTGIS_VERSION: 3
       BUILD_TYPE: Debug
       PSYCOPG: 2

README.md

@@ -70,7 +70,7 @@ option to `ON`) but make sure you are using a compatible version:
 * [protozero](https://github.com/mapbox/protozero) (>= 1.6.3)
 
 It also requires access to a database server running
-[PostgreSQL](https://www.postgresql.org/) (version 11+ works, 13+ strongly
+[PostgreSQL](https://www.postgresql.org/) (version 12+ works, 14+ strongly
 recommended) and [PostGIS](https://www.postgis.net/) (version 3.0+).
 
 Make sure you have installed the development packages for the libraries