Firebase Update

express-server/node_modules/pg/lib/client.js

@@ -399,15 +399,20 @@ Client.prototype.query = function (config, values, callback) {
   // can take in strings, config object or query object
   var query
   var result
+  var readTimeout
+  var readTimeoutTimer
+  var queryCallback
 
   if (config === null || config === undefined) {
     throw new TypeError('Client was passed a null or undefined query')
   } else if (typeof config.submit === 'function') {
+    readTimeout = config.query_timeout || this.connectionParameters.query_timeout
     result = query = config
     if (typeof values === 'function') {
       query.callback = query.callback || values
     }
   } else {
+    readTimeout = this.connectionParameters.query_timeout
     query = new Query(config, values, callback)
     if (!query.callback) {
       result = new this._Promise((resolve, reject) => {
@@ -416,6 +421,37 @@ Client.prototype.query = function (config, values, callback) {
     }
   }
 
+  if (readTimeout) {
+    queryCallback = query.callback
+
+    readTimeoutTimer = setTimeout(() => {
+      var error = new Error('Query read timeout')
+
+      process.nextTick(() => {
+        query.handleError(error, this.connection)
+      })
+
+      queryCallback(error)
+
+      // we already returned an error,
+      // just do nothing if query completes
+      query.callback = () => {}
+
+      // Remove from queue
+      var index = this.queryQueue.indexOf(query)
+      if (index > -1) {
+        this.queryQueue.splice(index, 1)
+      }
+
+      this._pulseQueryQueue()
+    }, readTimeout)
+
+    query.callback = (err, res) => {
+      clearTimeout(readTimeoutTimer)
+      queryCallback(err, res)
+    }
+  }
+
   if (this.binary && !query.binary) {
     query.binary = true
   }