add support for queries that don't return a row description

grncdr · grncdr · commit 8283fd9b22d8 · 2014-05-21T22:44:51.000+02:00
diff --git a/index.js b/index.js
@@ -32,16 +32,30 @@ Cursor.prototype.submit = function(connection) {
   }, true)
 
   con.flush()
+
+  con.once('noData', ifNoData)
+  con.once('rowDescription', function () {
+    con.removeListener('noData', ifNoData);
+  });
+
+  function ifNoData () {
+    self.state = 'idle'
+    self._shiftQueue();
+  }
 }
 
-Cursor.prototype.handleRowDescription = function(msg) {
-  this._result.addFields(msg.fields)
-  this.state = 'idle'
+Cursor.prototype._shiftQueue = function () {
   if(this._queue.length) {
     this._getRows.apply(this, this._queue.shift())
   }
 }
 
+Cursor.prototype.handleRowDescription = function(msg) {
+  this._result.addFields(msg.fields)
+  this.state = 'idle'
+  this._shiftQueue();
+}
+
 Cursor.prototype.handleDataRow = function(msg) {
   var row = this._result.parseRow(msg.fields)
   this._rows.push(row)
