Update script.js

Author: SWETHA R

Server-Side Components/Background Scripts/Duplicate Finder/script.js

@@ -1,52 +1,70 @@
-// Duplicate Record Finder
-// Usage: Run in Scripts - Background or as a Fix Script
-// Update the variables 'tableName' and 'fieldName' below before running
 
-var tableName = 'incident';      // Set your target table here
-var fieldName = 'short_description';  // Set the target field to check duplicates
+(function () {
+    var tableName = 'incident';               // ✅ Set your target table
+    var fieldName = 'short_description';      // ✅ Set your target field to check duplicates
 
-findDuplicates(tableName, fieldName);
+    findDuplicates(tableName, fieldName);
 
-function findDuplicates(tableName, fieldName) {
-    // Validate that the table exists
-    if (!gs.tableExists(tableName)) {
-        gs.info('Table "' + tableName + '" does not exist.');
-        return;
-    }
+    function findDuplicates(tableName, fieldName) {
+        // --- Validate Table ---
+        if (!gs.tableExists(tableName)) {
+            gs.error('❌ Table "' + tableName + '" does not exist.');
+            return;
+        }
 
-    // Validate that the field exists on the table
-    var gr = new GlideRecord(tableName);
-    gr.initialize();
-    if (!gr.isValidField(fieldName)) {
-        gs.info('Field "' + fieldName + '" does not exist on table "' + tableName + '".');
-        return;
-    }
+        // --- Validate Field ---
+        var gr = new GlideRecord(tableName);
+        gr.initialize();
+        if (!gr.isValidField(fieldName)) {
+            gs.error('❌ Field "' + fieldName + '" does not exist on table "' + tableName + '".');
+            return;
+        }
 
-    // Prepare GlideAggregate to find duplicates
-    var ga = new GlideAggregate(tableName);
-    ga.addAggregate('COUNT', fieldName);
-    ga.groupBy(fieldName);
-    ga.addHaving('COUNT', '>', 1);        // More than 1 means duplicates exist
-    ga.addNotNullQuery(fieldName);        // Ignore null or empty values
-    ga.query();
-
-    var duplicateCount = 0;
-    var duplicates = {};
-
-    while (ga.next()) {
-        var value = ga.getValue(fieldName);
-        var count = parseInt(ga.getAggregate('COUNT', fieldName), 10);
-        duplicates[value] = count;
-        duplicateCount++;
-    }
+        // --- Use GlideAggregate for Efficient Counting ---
+        var ga = new GlideAggregate(tableName);
+        ga.addAggregate('COUNT', fieldName);
+        ga.groupBy(fieldName);
+        ga.addHaving('COUNT', '>', 1);   // Find duplicate groups
+        ga.addNotNullQuery(fieldName);   // Ignore empty or null values
+        ga.query();
 
-    if (duplicateCount === 0) {
-        gs.info('No duplicates found for field "' + fieldName + '" on table "' + tableName + '".');
-        return;
-    }
+        var duplicateGroups = [];
+        while (ga.next()) {
+            var value = ga.getDisplayValue(fieldName);
+            var count = parseInt(ga.getAggregate('COUNT', fieldName), 10);
+            duplicateGroups.push({
+                value: value,
+                count: count
+            });
+        }
+
+        // --- Logging Results ---
+        if (duplicateGroups.length === 0) {
+            gs.info('✅ No duplicates found for "' + fieldName + '" on "' + tableName + '".');
+            return;
+        }
+
+        gs.info('⚠️ Found ' + duplicateGroups.length + ' duplicate groups for "' + fieldName + '" on "' + tableName + '".');
+
+        // --- Detailed Logging (optional for large datasets) ---
+        duplicateGroups.forEach(function (item, index) {
+            gs.info(
+                (index + 1) + '. Value: "' + item.value + '" → Occurrences: ' + item.count
+            );
+        });
 
-    gs.info('Found ' + duplicateCount + ' groups of duplicates for field "' + fieldName + '" on table "' + tableName + '":');
-    for (var val in duplicates) {
-        gs.info('Value "' + val + '" occurs ' + duplicates[val] + ' times.');
+        // --- (Optional) Retrieve Record Sys IDs for deeper analysis ---
+        // Uncomment the section below if you need to list Sys IDs for each duplicate group
+        /*
+        duplicateGroups.forEach(function (dup) {
+            gs.info('--- Records with "' + fieldName + '" = "' + dup.value + '" ---');
+            var dupRec = new GlideRecord(tableName);
+            dupRec.addQuery(fieldName, dup.value);
+            dupRec.query();
+            while (dupRec.next()) {
+                gs.info('   Sys ID: ' + dupRec.getUniqueValue());
+            }
+        });
+        */
     }
-}
+})();