Fixed some minor speaking bugs

src/query/command3.h

@@ -338,6 +338,7 @@ namespace ts {
                 }
 
                 result.append(this->identifier_);
+                result.push_back(' ');
 
                 for(auto it = this->bulks.begin(); it != this->bulks.end(); it++) {
                     if(it->empty() && !with_empty) {