lib/native/index.js

@@ -209,9 +209,11 @@ Client.prototype._pulseQueryQueue = function(initialConnection) {
   this._activeQuery = query;
   query.submit(this);
   var self = this;
-  query.once('_done', function() {
+  var pulseOnDone = function() {
     self._pulseQueryQueue();
-  });
+    query.removeListener('_done', pulseOnDone);
+  };
+  query._on('_done', pulseOnDone);
 };
 
 //attempt to cancel an in-progress query

lib/native/query.js

@@ -27,7 +27,7 @@ var NativeQuery = module.exports = function(config, values, callback) {
   //this has almost no meaning because libpq
   //reads all rows into memory befor returning any
   this._emitRowEvents = false;
-  this.on('newListener', function(event) {
+  this._on('newListener', function(event) {
     if(event === 'row') this._emitRowEvents = true;
   }.bind(this));
 };
@@ -42,18 +42,28 @@ NativeQuery._once = NativeQuery.once;
 
 
 NativeQuery.prototype.then = function(onSuccess, onFailure) {
-  return this.promise().then(onSuccess, onFailure);
+  return this._getPromise().then(onSuccess, onFailure);
 };
 
 NativeQuery.prototype.catch = function(callback) {
-  return this.promise().catch(callback);
+  return this._getPromise().catch(callback);
 };
 
 NativeQuery.prototype._getPromise = function() {
   if (this._promise) return this._promise;
   this._promise = new Promise(function(resolve, reject) {
-    this._once('end', resolve);
-    this._once('error', reject);
+    var onEnd = function (result) {
+      this.removeListener('error', onError);
+      this.removeListener('end', onEnd);
+      resolve(result);
+    };
+    var onError = function (err) {
+      this.removeListener('error', onError);
+      this.removeListener('end', onEnd);
+      reject(err);
+    };
+    this._on('end', onEnd);
+    this._on('error', onError);
   }.bind(this));
   return this._promise;
 };

lib/query.js

@@ -57,8 +57,18 @@ Query.prototype.catch = function(callback) {
 Query.prototype._getPromise = function () {
   if (this._promise) return this._promise;
   this._promise = new Promise(function(resolve, reject) {
-    this._once('end', resolve);
-    this._once('error', reject);
+    var onEnd = function (result) {
+      this.removeListener('error', onError);
+      this.removeListener('end', onEnd);
+      resolve(result);
+    };
+    var onError = function (err) {
+      this.removeListener('error', onError);
+      this.removeListener('end', onEnd);
+      reject(err);
+    };
+    this._on('end', onEnd);
+    this._on('error', onError);
   }.bind(this));
   return this._promise;
 };

lib/utils.js

@@ -139,7 +139,7 @@ function normalizeQueryConfig (config, values, callback) {
   return config;
 }
 
-var queryEventEmitterOverloadDeprecationMessage = 'Using the automatically created return value from client.query as an event emitter is deprecated. Please see the upgrade guide at https://node-postgres.com/guides/upgrading';
+var queryEventEmitterOverloadDeprecationMessage = 'Using the automatically created return value from client.query as an event emitter is deprecated and will be removed in pg@7.0. Please see the upgrade guide at https://node-postgres.com/guides/upgrading';
 
 var deprecateEventEmitter = function(Emitter) {
   var Result = function () {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pg",
-  "version": "6.3.0",
+  "version": "6.3.1",
   "description": "PostgreSQL client - pure javascript & libpq with the same API",
   "keywords": [
     "postgres",

test/integration/client/deprecation-tests.js

@@ -0,0 +1,23 @@
+var helper = require('./test-helper')
+
+process.on('warning', function (warning) {
+  console.log(warning)
+  throw new Error('Should not emit deprecation warning')
+})
+
+var client = new helper.pg.Client()
+
+client.connect(function (err) {
+  if (err) throw err
+  client.query('SELECT NOW()')
+    .then(function (res) {
+      client.query('SELECT NOW()', function () {
+        client.end(function () {
+        })
+      })
+    }).catch(function (err) {
+      setImmediate(function () {
+        throw err
+      })
+    })
+})

test/test-helper.js

@@ -1,8 +1,6 @@
 //make assert a global...
 assert = require('assert');
 
-process.noDeprecation = true
-
 //support for node@0.10.x
 if (typeof Promise == 'undefined') {
   global.Promise = require('promise-polyfill')