Added Truncate Function

import_multi_row.js

@@ -60,6 +60,17 @@ xml2js.parseString(xmlString, async (err, result) => {
 
   const startTime = new Date();
 
+  try {
+    // Connect to the PostgreSQL database
+    const client = await pool.connect();
+
+    const tableName = 'tpytran1'; // Specify the table name
+
+    // Truncate the table and restart identity
+    const truncateQuery = `TRUNCATE TABLE ${tableName} RESTART IDENTITY`;
+    await client.query(truncateQuery);
+
+    // Insert the data into the PostgreSQL database
     for (let i = 1; i < data.length; i++) {
       const row = data[i];
       const mappedEmployee = {};
@@ -91,12 +102,6 @@ xml2js.parseString(xmlString, async (err, result) => {
       console.log(`Progress: ${progress.toFixed(2)}%`);
     }
 
-  try {
-    // Connect to the PostgreSQL database
-    const client = await pool.connect();
-
-    // Insert the data into the PostgreSQL database
-    const tableName = 'tpytran1'; // Specify the table name
     for (const employee of jsonData.employee) {
       const { employeeid, formulaid } = employee;