fix: discover properties with json type

Signed-off-by: Muhammad Aaqil <aaqilcs102@gmail.com>

lib/discovery.js

@@ -382,6 +382,8 @@ function mixinDiscovery(MySQL, mysql) {
       case 'BOOL':
       case 'BOOLEAN':
         return 'Boolean';
+      case 'JSON':
+        return 'object';
       case 'ENUM':
         return columnType;
       default:

test/mysql.discover.test.js

@@ -299,6 +299,22 @@ describe('Discover and handle enum', function() {
   });
 });
 
+describe('Discover models with JSON type columns', function() {
+  let schema;
+  before(function(done) {
+    db.discoverSchema('INVENTORY', {owner: 'STRONGLOOP'}, function(err, schema_) {
+      schema = schema_;
+      done(err);
+    });
+  });
+  it('should validate JSON as an object type for INVENTORY', function() {
+    assert.ok(/STRONGLOOP/i.test(schema.options.mysql.schema));
+    assert.strictEqual(schema.options.mysql.table, 'INVENTORY');
+    assert.strictEqual(schema.name, 'Inventory');
+    assert.strictEqual(schema.properties.details.type, 'object');
+  });
+});
+
 describe('Discover and build models', function() {
   let models;
   before(function(done) {

test/schema.sql

@@ -78,6 +78,7 @@ CREATE TABLE `INVENTORY` (
   `LOCATION_ID` varchar(20) NOT NULL,
   `AVAILABLE` int(11) DEFAULT NULL,
   `TOTAL` int(11) DEFAULT NULL,
+  `DETAILS` json DEFAULT NULL,
   `ACTIVE` BOOLEAN DEFAULT TRUE,
   `DISABLED` BIT(1) DEFAULT 0,
   `ENABLED` CHAR(1) DEFAULT 'Y',