fix textParsers

some textParsers requires the input value to be a string, so convert
it before calling the textParsers
the same problem exists in test/integration/connection/query-test
so that there also need to be a String call

Author: AlexanderS

lib/types.js

@@ -8,7 +8,7 @@ var typeParsers = {
 
 //the empty parse function
 var noParse = function(val) {
-  return val;
+  return String(val);
 }
 
 //returns a function used to convert a specific type (specified by
@@ -21,7 +21,9 @@ var getTypeParser = function(oid, format) {
 };
 
 textParsers.init(function(oid, converter) {
-  typeParsers.text[oid] = converter;
+  typeParsers.text[oid] = function(value) {
+    return converter(String(value));
+  };
 });
 
 binaryParsers.init(function(oid, converter) {

test/integration/connection/query-tests.js

@@ -20,6 +20,6 @@ test('simple query', function() {
 process.on('exit', function() {
   assert.equal(rows.length, 2);
   assert.equal(rows[0].length, 1);
-  assert.strictEqual(rows[0] [0], '1');
-  assert.strictEqual(rows[1] [0], '2');
+  assert.strictEqual(String(rows[0] [0]), '1');
+  assert.strictEqual(String(rows[1] [0]), '2');
 });