1.7 Error on empty result from table definition queries

lib/query-interface.js

@@ -369,7 +369,14 @@ module.exports = (function() {
       }
       }
 
 
       self.sequelize.query(sql, null, { raw: true }).success(function(data) {
       self.sequelize.query(sql, null, { raw: true }).success(function(data) {
-        emitter.emit('success', data)
+        if(Utils._.isEmpty(data)) {
+          // If no data is returned from the query, then the table name may be wrong.
+          // Query generators that use information_schema for retrieving table info will just return an empty result set,
+          // it will not throw an error like built-ins do (e.g. DESCRIBE on MySql).
+          emitter.emit('error', 'No description found for "' + tableName + '" table. Check the table name and schema; remember, they _are_ case sensitive.')
+        } else {
+          emitter.emit('success', data)
+        }
       }).error(function(err) {
       }).error(function(err) {
         emitter.emit('error', err)
         emitter.emit('error', err)
       }).on('sql', function(sql) {
       }).on('sql', function(sql) {