hemanthkodandarama · April 1, 2019 12:09 · Apr 26, 2017
diff --git a/dynamoScanPromise.js b/dynamoScanPromise.js
@@ -0,0 +1,32 @@
+var params = {
+  TableName: 'MYTABLE',
+  FilterExpression: 'contains (myKey , :query)',
+  ExpressionAttributeValues: {
+    ':query': query
+  }
+}
+
+var dynamoScan = new Promise(function(resolve, reject) {
+  var results = []
+  var onScan = (err, data) => {
+    if (err) {
+      return reject(err)
+    }
+    results = results.concat(data.Items)
+    if (typeof data.LastEvaluatedKey != 'undefined') {
+      params.ExclusiveStartKey = data.LastEvaluatedKey
+      docClient.scan(params, onScan)
+    } else {
+      return resolve(results)
+    }
+  }
+  docClient.scan(params, onScan)
+})
+dynamoScan
+  .then((results) => {
+    res.json(results)
+  })
+  .catch((err) => {
+    Logger.error(err)
+    return next(err)
+  })