fixed fields problems with empty results

.travis.yml

@@ -1,6 +1,5 @@
 language: node_js
 node_js:
-  - 0.8
   - 0.10
 git:
   depth: 1

build/dblite.node.js

@@ -280,7 +280,7 @@ function dblite() {
           // converting the CSV into an Array of rows
           result = dontParseCSV ? str : parseCSV(str);
           // if there were headers/fields and we have a result ...
-          if (headers && isArray(result)) {
+          if (headers && isArray(result) && result.length) {
             //  ... and fields is not defined
             if (fields == null) {
               // fields is the row 0

package.json

@@ -1,5 +1,5 @@
 {
-  "version": "0.4.1",
+  "version": "0.4.2",
   "license" : "MIT",
   "engine": "node >= 0.6.0",
   "name": "dblite",

src/dblite.js

@@ -258,7 +258,7 @@ function dblite() {
           // converting the CSV into an Array of rows
           result = dontParseCSV ? str : parseCSV(str);
           // if there were headers/fields and we have a result ...
-          if (headers && isArray(result)) {
+          if (headers && isArray(result) && result.length) {
             //  ... and fields is not defined
             if (fields == null) {
               // fields is the row 0

test/dblite.js

@@ -362,6 +362,31 @@ wru.test([
         .on('close', Object)
       ;
     }
+  },{
+    name: 'selecting empty results with manual fields works as expected',
+    test: function () {
+      dblite(':memory:')
+        .query('CREATE TABLE whatever (v TEXT)')
+        .query('SELECT * FROM whatever', {v:String}, wru.async(function (rows) {
+          wru.assert('invoked corectly', rows.length === 0);
+          this.close();
+        }))
+        .on('close', Object)
+      ;
+    }
+  },{
+    name: 'selecting empty results with automatic fields works as expected',
+    test: function () {
+      dblite(':memory:')
+        .query('.headers ON')
+        .query('CREATE TABLE whatever (v TEXT)')
+        .query('SELECT * FROM whatever', wru.async(function (rows) {
+          wru.assert('invoked corectly', rows.length === 0);
+          this.close();
+        }))
+        .on('close', Object)
+      ;
+    }
   },{
     name: 'notifies inserts or other operations too',
     test: function () {