Add PostgreSQL 10 to CI

and change to Ubuntu 18.04 so building OpenSSL isn’t necessary, and move old PostgreSQL version tests to the latest Node LTS.

Author: charmander

Diff for: .travis.yml

@@ -1,50 +1,54 @@
 language: node_js
-sudo: true
-dist: trusty
+dist: bionic
 
 before_script:
   - node script/create-test-tables.js pg://[email protected]:5432/postgres
-  
-before_install:
-  - if [ $TRAVIS_OS_NAME == "linux" ]; then
-      if [[ $(node -v) =~ v[1-9][0-9] ]]; then
-        source ./ci_scripts/build.sh;
-      fi
-    fi
-    
+
 env:
   - CC=clang CXX=clang++ npm_config_clang=1 PGUSER=postgres PGDATABASE=postgres
 
+node_js:
+  - lts/dubnium
+  - 12
+
+addons:
+  postgresql: "10"
+
 matrix:
   include:
-    - node_js: "lts/boron"
-      addons:
-        postgresql: "9.6"
-    - node_js: "lts/argon"
+    # different Node versions on PostgreSQL 9.5 that require precise
+    - node_js: lts/argon
       addons:
-        postgresql: "9.6"
-    - node_js: "10"
-      addons:
-        postgresql: "9.6"
-    - node_js: "12"
+        postgresql: "9.5"
+      dist: precise
+    - node_js: lts/boron
       addons:
-        postgresql: "9.6"
-    - node_js: "lts/carbon"
+        postgresql: "9.5"
+      dist: precise
+    - node_js: lts/carbon
       addons:
-        postgresql: "9.1"
+        postgresql: "9.5"
       dist: precise
-    - node_js: "lts/carbon"
+
+    # different PostgreSQL versions on Node LTS
+    - node_js: lts/dubnium
       addons:
         postgresql: "9.2"
-    - node_js: "lts/carbon"
+    - node_js: lts/dubnium
       addons:
         postgresql: "9.3"
-    - node_js: "lts/carbon"
+    - node_js: lts/dubnium
       addons:
         postgresql: "9.4"
-    - node_js: "lts/carbon"
+    - node_js: lts/dubnium
       addons:
         postgresql: "9.5"
-    - node_js: "lts/carbon"
+    - node_js: lts/dubnium
       addons:
         postgresql: "9.6"
+
+    # PostgreSQL 9.1 only exists on precise
+    - node_js: lts/carbon
+      addons:
+        postgresql: "9.1"
+      dist: precise