Merge pull request #1476 from joto/update-pg-version

Document PostgreSQL 9.5 as oldest supported version.

Author: pnorman

.github/workflows/ci.yml

@@ -36,32 +36,32 @@ jobs:
           PGHOST: /tmp
 
 
-  ubuntu16-pg93-gcc5:
+  ubuntu16-pg95-gcc5:
     runs-on: ubuntu-16.04
 
     env:
       CC: gcc-5
       CXX: g++-5
       LUA_VERSION: 5.1
       LUAJIT_OPTION: OFF
-      POSTGRESQL_VERSION: 9.3
-      POSTGIS_VERSION: 2.2
+      POSTGRESQL_VERSION: 9.5
+      POSTGIS_VERSION: 2.3
       BUILD_TYPE: Release
 
     steps:
       - uses: actions/checkout@v2
       - uses: ./.github/actions/ubuntu-prerequisites
       - uses: ./.github/actions/build-and-test
 
-  ubuntu16-pg94-clang6:
+  ubuntu16-pg95-clang6:
     runs-on: ubuntu-16.04
 
     env:
       CC: clang-6.0
       CXX: clang++-6.0
       LUA_VERSION: 5.2
       LUAJIT_OPTION: OFF
-      POSTGRESQL_VERSION: 9.4
+      POSTGRESQL_VERSION: 9.5
       POSTGIS_VERSION: 2.3
       BUILD_TYPE: Release
 

README.md

@@ -57,7 +57,7 @@ Required libraries are
 * [Psycopg](http://initd.org/psycopg/) (only for running tests)
 
 It also requires access to a database server running
-[PostgreSQL](https://www.postgresql.org/) 9.3+ and
+[PostgreSQL](https://www.postgresql.org/) 9.5+ and
 [PostGIS](http://www.postgis.net/) 2.2+.
 
 Make sure you have installed the development packages for the libraries