use smaller dummy field
diff --git a/asterix-external-data/src/main/java/edu/uci/ics/asterix/external/dataset/adapter/PullBasedAzureFeedClient.java b/asterix-external-data/src/main/java/edu/uci/ics/asterix/external/dataset/adapter/PullBasedAzureFeedClient.java
index 36c04a4..e34fc17 100644
--- a/asterix-external-data/src/main/java/edu/uci/ics/asterix/external/dataset/adapter/PullBasedAzureFeedClient.java
+++ b/asterix-external-data/src/main/java/edu/uci/ics/asterix/external/dataset/adapter/PullBasedAzureFeedClient.java
@@ -2,10 +2,7 @@
 
 import java.io.DataOutput;
 import java.io.DataOutputStream;
-import java.io.IOException;
 import java.nio.charset.StandardCharsets;
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
 import java.util.Iterator;
 import java.util.Map;
 
@@ -17,33 +14,15 @@
 
 import edu.uci.ics.asterix.common.exceptions.AsterixException;
 import edu.uci.ics.asterix.external.library.java.JObjects.ByteArrayAccessibleInputStream;
-import edu.uci.ics.asterix.om.base.AMutableDateTime;
-import edu.uci.ics.asterix.om.base.AMutableInt32;
-import edu.uci.ics.asterix.om.base.AMutableInt64;
-import edu.uci.ics.asterix.om.base.AMutableRecord;
-import edu.uci.ics.asterix.om.base.AMutableString;
-import edu.uci.ics.asterix.om.base.IAObject;
-import edu.uci.ics.asterix.om.base.temporal.ADateTimeParserFactory;
 import edu.uci.ics.asterix.om.types.ARecordType;
 import edu.uci.ics.asterix.om.util.ResettableByteArrayOutputStream;
 import edu.uci.ics.asterix.runtime.operators.file.ADMDataParser;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParser;
 
 public class PullBasedAzureFeedClient implements IPullBasedFeedClient {
     private final ARecordType outputType;
-    private final CloudStorageAccount csa;
     private final CloudTableClient ctc;
     private Iterator<AzureTweetEntity> tweets;
 
-    private final IAObject[] mutableFields;
-    private final AMutableRecord coordRec;
-    private final ARecordType coordType;
-    private final AMutableRecord userRec;
-    private final ARecordType userType;
-
-    private final IValueParser dtParser;
-    private final String[] dateFormats = { "EEE MMM dd kk:mm:ss XXX yyyy", "EEE MMM dd kk:mm:ss ZZZZZ yyyy" };
-    private final DateFormat admDateFormat;
     private final ResettableByteArrayOutputStream rbaos;
     private final DataOutputStream dos;
     private final ADMDataParser adp;
@@ -51,21 +30,7 @@
 
     public PullBasedAzureFeedClient(CloudStorageAccount csa, ARecordType outputType) throws AsterixException {
         this.outputType = outputType;
-        this.csa = csa;
         ctc = csa.createCloudTableClient();
-        try {
-            coordType = (ARecordType) outputType.getFieldType("coordinates");
-            coordRec = new AMutableRecord(coordType, null);
-            userType = (ARecordType) outputType.getFieldType("user");
-            userRec = new AMutableRecord(userType, null);
-            mutableFields = new IAObject[] { new AMutableInt64(-1), new AMutableInt64(-1), /*coordRec,*/
-            new AMutableDateTime(-1), new AMutableInt64(-1), new AMutableString(null),
-            /*new AMutableString(null),*/new AMutableInt32(-1), new AMutableString(null) /*, userRec */};
-        } catch (IOException e) {
-            throw new AsterixException(e);
-        }
-        admDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssXXX");
-        dtParser = ADateTimeParserFactory.INSTANCE.createValueParser();
         rbaos = new ResettableByteArrayOutputStream();
         dos = new DataOutputStream(rbaos);
         baais = new ByteArrayAccessibleInputStream(rbaos.getByteArray(), 0, 0);
@@ -99,31 +64,19 @@
             AzureTweetEntity tweet = tweets.next();
             try {
                 JSONObject tjo = new JSONObject(tweet.getJSON().toString());
-                System.out.println(tjo);
                 tjo.remove("id");
                 JSONObject utjo = tjo.getJSONObject("user");
                 utjo.remove("id");
                 tjo.put("user", utjo);
-                String tjs = tjo.toString().replaceAll("}}", "} }");
+                String tjs = tjo.toString().replaceAll("}}", "}, \"z\":null }");
                 System.out.println(tjo.getString("id_str") + " " + utjo.getString("id_str"));
                 byte[] tjb = tjs.getBytes(StandardCharsets.UTF_8);
                 rbaos.reset();
                 dos.write(tjb, 0, tjb.length);
                 dos.flush();
-                baais.setContent(rbaos.getByteArray(), 0, rbaos.getByteArray().length);
+                baais.setContent(rbaos.getByteArray(), 0, tjb.length);
                 adp.initialize(baais, outputType, false);
-                //                ByteArrayOutputStream baos = new ByteArrayOutputStream();
-                //                DataOutputStream dos = new DataOutputStream(baos);
                 adp.parse(dataOutput);
-//                dataOutput.write(baos.toByteArray());
-//
-//                //                adp.parse(dataOutput);
-//                ISerializerDeserializer serde = AqlSerializerDeserializerProvider.INSTANCE
-//                        .getSerializerDeserializer(outputType);
-//                ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
-//                DataInputStream dis = new DataInputStream(bais);
-//                IAObject o = (IAObject) serde.deserialize(dis);
-//                System.out.println(o);
             } catch (Exception e) {
                 e.printStackTrace();
                 throw new AsterixException(e);