fixed unimplemented behavior when Drilling Down without filters

Author: nikitaeverywhere

package.json

@@ -1,7 +1,7 @@
 {
   "name": "LightPivotTable",
   "author": "ZitRo",
-  "version": "1.3.1",
+  "version": "1.3.2",
   "description": "A lightweight pivot table for MDX2JSON source for InterSystems Cache",
   "main": "test/testServer.js",
   "repository": {

readme.md

@@ -36,7 +36,7 @@ Then use global object constructed from <i>LightPivotTable</i>:
 var setup = { // Object that contain settings. Properties in brackets can be missed.
         container: document.getElementById("pivot") // HTMLElement which will contain table.
         [, locale: "en" ] // language to use (default: browser default or "en")
-        logs: false, // enable logs
+        [, logs: false ] // logging disabled by default
         , dataSource: {
             MDX2JSONSource: "http://localhost:57772/SAMPLES", // MDX2JSON server address
             basicMDX: typeof req === "object" ? req.basicMDX : req

source/js/MDXParser.js

@@ -49,8 +49,12 @@ MDXParser.prototype.prependNonEmpty = function (expression) {
 MDXParser.prototype.drillDown = function (mdx, filter, expression) {
 
     if (!filter) {
-        this._warnMDX(mdx, "no filter specified");
-        return "";
+        if (/]\s+ON\s+1/.test(mdx)) {
+            return mdx = mdx.replace(/]\s+ON\s+1/, "].children ON 1");
+        } else {
+            this._warnMDX(mdx, "no filter specified");
+            return "";
+        }
     }
 
     var parts = mdx.split(/(select\s*)(.*?)(\s*from)/ig); // split by SELECT queries
@@ -133,6 +137,6 @@ MDXParser.prototype.mdxType = function (mdx) {
  */
 MDXParser.prototype.applyFilter = function (basicMDX, filterSpec) {
 
-    return basicMDX + " %FILTER " + filterSpec;
+    return basicMDX + (filterSpec ? " %FILTER " + filterSpec : "");
 
 };