Apply allowNull even if column is a primaryKey

lib/dialects/sqlite/query-generator.js

@@ -38,8 +38,8 @@ module.exports = (function() {
       var query = 'CREATE TABLE IF NOT EXISTS <%= table %> (<%= attributes%>)'
         , primaryKeys = []
         , needsMultiplePrimaryKeys = (Utils._.values(attributes).filter(function(definition) {
-                    return Utils._.includes(definition, 'PRIMARY KEY');
-                  }).length > 1)
+            return Utils._.includes(definition, 'PRIMARY KEY');
+          }).length > 1)
         , attrStr = []
         , modifierLastIndex = -1;
 
@@ -276,7 +276,7 @@ module.exports = (function() {
             }
           }
 
-          if (dataType.hasOwnProperty('allowNull') && !dataType.allowNull && !dataType.primaryKey) {
+          if (dataType.hasOwnProperty('allowNull') && !dataType.allowNull) {
             template += " NOT NULL";
           }