Optional support for results as arrays.

lib/query.js

@@ -21,7 +21,7 @@ var Query = function(config, values, callback) {
   //use unique portal name each time
   this.portal = config.portal || "";
   this.callback = config.callback;
-  this._fieldNames = [];
+  this.rowtype = config.rowtype;
   this._fieldConverters = [];
   this._result = new Result();
   this.isPreparedStatement = false;
@@ -56,30 +56,41 @@ var noParse = function(val) {
 //message with this query object
 //metadata used when parsing row results
 p.handleRowDescription = function(msg) {
-  this._fieldNames = [];
   this._fieldConverters = [];
   var len = msg.fields.length;
   for(var i = 0; i < len; i++) {
     var field = msg.fields[i];
     var format = field.format;
-    this._fieldNames[i] = field.name;
+    this._result.fieldNames[i] = field.name;
     this._fieldConverters[i] = Types.getTypeParser(field.dataTypeID, format);
   }
 };
 
 p.handleDataRow = function(msg) {
-  var self = this;
-  var row = {};
-  for(var i = 0; i < msg.fields.length; i++) {
-    var rawValue = msg.fields[i];
-    if(rawValue === null) {
-      //leave null values alone
-      row[self._fieldNames[i]] = null;
-    } else {
-      //convert value to javascript
-      row[self._fieldNames[i]] = self._fieldConverters[i](rawValue);
+  var self = this, row, rawValue,
+      fieldNames = this._result.fieldNames,
+      i, c = msg.fields.length;
+
+  if (this.rowtype === 'array') {
+    row = new Array(c);
+    for(i = 0; i < c; i++) {
+      rawValue = msg.fields[i];
+      row[i] = (rawValue !== null) ? self._fieldConverters[i](rawValue) : null;
+    }
+  } else {
+    row = {};
+    for(i = 0; i < c; i++) {
+      rawValue = msg.fields[i];
+      if(rawValue === null) {
+        //leave null values alone
+        row[fieldNames[i]] = null;
+      } else {
+        //convert value to javascript
+        row[fieldNames[i]] = self._fieldConverters[i](rawValue);
+      }
     }
   }
+
   self.emit('row', row, self._result);
 
   //if there is a callback collect rows

lib/result.js

@@ -5,6 +5,7 @@ var Result = function() {
   this.command = null;
   this.rowCount = null;
   this.oid = null;
+  this.fieldNames = [];
   this.rows = [];
 };
 

test/integration/client/simple-query-tests.js

@@ -63,3 +63,17 @@ test("multiple select statements", function() {
   });
   client.on('drain', client.end.bind(client));
 });
+
+test("array rows", function() {
+  var client = helper.client();
+  client.query("create temp table t(a integer, b varchar(5)); insert into t values (1, 'one'), (2, 'two');");
+  client.query({
+    text: "select a,b from t order by a",
+    rowtype: "array"
+  }, function(error, result) {
+    assert.deepEqual(result.fieldNames, ["a", "b"]);
+    assert.deepEqual(result.rows, [[1,"one"], [2,"two"]]);
+    client.end();
+  });
+});
+