smartWhere doesn't really for this place

lib/dialects/abstract/query-generator.js

@@ -538,6 +538,14 @@ module.exports = (function() {
         delete options.type;
       }
 
+      if (options.where) {
+        if (Array.isArray(options.where)) {
+          options.where = Utils.format(options.where);
+        } else if (!String.isString(options.where)) {
+          delete options.where
+        }
+      }
+
       return Utils._.compact([
         'CREATE',
         options.unique ? 'UNIQUE' : '',
@@ -549,7 +557,7 @@ module.exports = (function() {
         this._dialect.supports.index.using === 2 && options.using ? 'USING ' + options.using : '',
         '(' + fieldsSql.join(', ') + (options.operator ? ' '+options.operator : '') + ')',
         (this._dialect.supports.index.parser && options.parser ? 'WITH PARSER ' + options.parser : undefined),
-        (this._dialect.supports.index.where && options.where ? 'WHERE ' + Utils.smartWhere(options.where) : undefined)
+        (this._dialect.supports.index.where && options.where ? 'WHERE ' + options.where : undefined)
       ]).join(' ');
     },