Fix issue with parsed statement cache timing - closes #665

lib/client.js

@@ -117,6 +117,15 @@ Client.prototype.connect = function(callback) {
       self.activeQuery.handleCommandComplete(msg, con);
     });
 
+    //if a prepared statement has a name and properly parses
+    //we track that its already been executed so we don't parse
+    //it again on the same client
+    con.on('parseComplete', function(msg) {
+      if(self.activeQuery.name) {
+        con.parsedStatements[self.activeQuery.name] = true;
+      }
+    });
+
     con.on('copyInResponse', function(msg) {
       self.activeQuery.handleCopyInResponse(self.connection);
     });

lib/query.js

@@ -67,9 +67,6 @@ Query.prototype.handleDataRow = function(msg) {
 };
 
 Query.prototype.handleCommandComplete = function(msg, con) {
-  if(this.name) {
-    con.parsedStatements[this.name] = true;
-  }
   this._result.addCommandComplete(msg);
   //need to sync after each command complete of a prepared statement
   if(this.isPreparedStatement) {

test/integration/gh-issues/600-tests.js

@@ -53,6 +53,25 @@ var steps = [
   insertDataBar
 ]
 
-async.series(steps, assert.success(function() {
-  db.end()
-}))
+test('test if query fails', function() {
+  async.series(steps, assert.success(function() {
+    db.end()
+  }))
+})
+
+test('test if prepare works but bind fails', function() {
+  var client = helper.client();
+  var q = {
+    text: 'SELECT $1::int as name',
+    values: ['brian'],
+    name: 'test'
+  };
+  client.query(q, assert.calls(function(err, res) {
+    q.values = [1];
+    client.query(q, assert.calls(function(err, res) {
+      assert.ifError(err);
+      client.end();
+    }));
+  }));
+});
+