docs(migrations): improve dialect options docs

docs/migrations.md

@@ -517,16 +517,14 @@ use the `--url` option to pass in a connection string. For example:
 $ npx sequelize db:migrate --url 'mysql://root:password@mysql_host.com/database_name'
 $ npx sequelize db:migrate --url 'mysql://root:password@mysql_host.com/database_name'
 ```
 ```
 
 
-### Connecting over SSL
-Ensure ssl is specified in both `dialectOptions` and in the base config.
+### Passing Dialect Specific Options
 
 
 ```json
 ```json
 {
 {
     "production": {
     "production": {
         "dialect":"postgres",
         "dialect":"postgres",
-        "ssl": true,
         "dialectOptions": {
         "dialectOptions": {
-            "ssl": true
+            // dialect options like SSL etc here
         }
         }
     }
     }
 }
 }

lib/utils/validator-extras.js

@@ -64,12 +64,12 @@ const extensions = {
 };
 };
 exports.extensions = extensions;
 exports.extensions = extensions;
 
 
-/** Instance based validators */
+// instance based validators
 validator.isImmutable = function(value, validatorArgs, field, modelInstance) {
 validator.isImmutable = function(value, validatorArgs, field, modelInstance) {
   return modelInstance.isNewRecord || modelInstance.dataValues[field] === modelInstance._previousDataValues[field];
   return modelInstance.isNewRecord || modelInstance.dataValues[field] === modelInstance._previousDataValues[field];
 };
 };
 
 
-/** Extra validators */
+// extra validators
 validator.notNull = function(val) {
 validator.notNull = function(val) {
   return val !== null && val !== undefined;
   return val !== null && val !== undefined;
 };
 };

package.json

@@ -66,7 +66,7 @@
     "lint-staged": "^7.3.0",
     "lint-staged": "^7.3.0",
     "mariadb": "^2.0.1-beta",
     "mariadb": "^2.0.1-beta",
     "mocha": "^5.x",
     "mocha": "^5.x",
-    "mysql2": "^1.x",
+    "mysql2": "^1.6.4",
     "pg": "^7.5.0",
     "pg": "^7.5.0",
     "pg-hstore": "^2.x",
     "pg-hstore": "^2.x",
     "pg-types": "^1.x",
     "pg-types": "^1.x",