feat: add query builder to determine strict mode

Signed-off-by: Muhammad Aaqil <[email protected]>

lib/discovery.js

@@ -298,6 +298,15 @@ function mixinDiscovery(MySQL, mysql) {
     return sql;
   };
 
+  /**
+   * Build query to determine is strict mode
+   */
+
+  MySQL.prototype.buildQueryIsStrict = function() {
+    return 'SELECT @@GLOBAL.sql_mode LIKE \'%STRICT%\' AS globalStrictMode,' +
+    '@@SESSION.sql_mode LIKE \'%STRICT%\' AS sessionStrictMode;';
+  };
+
   /**
    * Discover foreign keys that reference to the primary key of this table
    * @param {String} table The table name

test/mysql.discover.test.js

@@ -257,6 +257,22 @@ describe('Discover LDL schema from a table', function() {
   });
 });
 
+describe('Discover schema with strict mode on', function() {
+  let schema;
+  before(function(done) {
+    db.discoverSchema('INVENTORY', {owner: 'STRONGLOOP'}, function(err, schema_) {
+      schema = schema_;
+      done(err);
+    });
+  });
+  it('should return an LDL schema for INVENTORY with strict mode on', function() {
+    assert.strictEqual(schema.name, 'Inventory');
+    if(schema.properties.length) {
+      assert.strictEqual(schema.properties.jsonSchema.maxLength, schema.properties.length);
+    }
+  });
+});
+
 describe('Discover and handle enum', function() {
   let schema;
   before(function(done) {

test/schema.sql

@@ -24,7 +24,7 @@
 CREATE DATABASE /*!32312 IF NOT EXISTS*/ `STRONGLOOP` /*!40100 DEFAULT CHARACTER SET utf8 */;
 
 USE `STRONGLOOP`;
-
+SET GLOBAL sql_mode = 'STRICT_ALL_TABLES';
 --
 -- Table structure for table `CUSTOMER`
 --