Test against MS SQL Server 2019-CTP3.1 (Ubuntu)

Author: dhui

database/sqlserver/README.md

@@ -19,7 +19,14 @@
 
 See https://github.com/denisenkom/go-mssqldb for full parameter list.
 
-## Note about driver support
+## Driver Support
+
+### Which go-mssqldb driver to us?
 
 Please note that the deprecated `mssql` driver is not supported. Please use the newer `sqlserver` driver.  
 See https://github.com/denisenkom/go-mssqldb#deprecated for more information.
+
+### Official Support by migrate
+
+Versions of MS SQL Server 2019 newer than CTP3.1 are not officially supported since there are issues testing against the Docker image.
+For more info, see: https://github.com/golang-migrate/migrate/issues/160#issuecomment-522433269

database/sqlserver/sqlserver_test.go

@@ -30,7 +30,7 @@ var (
 	// Container versions: https://mcr.microsoft.com/v2/mssql/server/tags/list
 	specs = []dktesting.ContainerSpec{
 		{ImageName: "mcr.microsoft.com/mssql/server:2017-latest-ubuntu", Options: opts},
-		{ImageName: "mcr.microsoft.com/mssql/server:2019-latest", Options: opts},
+		{ImageName: "mcr.microsoft.com/mssql/server:2019-CTP3.1-ubuntu", Options: opts},
 	}
 )