Add MySQL 8.0 to test matrix.

MySQL Server 8.0.3 is now RC.

Explicitly specify some MySQL Server options that have changed defaults in 8.0.

Author: bgrainger

.ci/docker-run.sh

@@ -33,7 +33,10 @@ docker run -d \
 	-p $PORT:3306 \
 	--name $NAME \
 	-e MYSQL_ROOT_PASSWORD='test' \
-	$IMAGE
+	$IMAGE \
+  --log-bin-trust-function-creators=1 \
+  --local-infile=1 \
+  --secure-file-priv=/var/tmp
 
 for i in `seq 1 30`; do
 	# wait for mysql to come up

.travis.yml

@@ -9,6 +9,9 @@ env:
   - IMAGE=mysql:5.7
     NAME=mysql
     FEATURES=Json,StoredProcedures,Sha256Password,LargePackets
+  - IMAGE=mysql:8.0
+    NAME=mysql
+    FEATURES=Json,StoredProcedures,Sha256Password,LargePackets
   - IMAGE=percona:5.7
     NAME=percona
     FEATURES=Json,StoredProcedures,Sha256Password,OpenSsl,LargePackets