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From yo...@apache.org
Subject [12/22] incubator-hawq-site git commit: rebuilding html after merge of following fixes: HAWQ-1119, HAWQ-1263, HAWQ-1252, HAWQ-1251, HAWQ-1272, HAWQ-1263
Date Fri, 20 Jan 2017 16:51:48 GMT
http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-changed.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-changed.html b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-changed.html
index f90aba4..8b64e32 100644
--- a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-changed.html
+++ b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-changed.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-enable.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-enable.html b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-enable.html
index b1c4b8b..c390450 100644
--- a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-enable.html
+++ b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-enable.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-fallback.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-fallback.html b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-fallback.html
index c405ef0..3fb716d 100644
--- a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-fallback.html
+++ b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-fallback.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-features.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-features.html b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-features.html
index 25899f4..942e756 100644
--- a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-features.html
+++ b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-features.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-limitations.html
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diff --git a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-limitations.html b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-limitations.html
index 272bf79..a1f26a8 100644
--- a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-limitations.html
+++ b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-limitations.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-notes.html
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diff --git a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-notes.html b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-notes.html
index f2c8b9d..a53db62 100644
--- a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-notes.html
+++ b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-notes.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-optimizer.html
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diff --git a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-optimizer.html b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-optimizer.html
index e0bf054..165e407 100644
--- a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-optimizer.html
+++ b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-optimizer.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-overview.html
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diff --git a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-overview.html b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-overview.html
index 11f6779..84dc00d 100644
--- a/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-overview.html
+++ b/docs/userguide/2.1.0.0-incubating/query/gporca/query-gporca-overview.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/query/query-performance.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/query/query-performance.html b/docs/userguide/2.1.0.0-incubating/query/query-performance.html
index 51e8061..3e56de4 100644
--- a/docs/userguide/2.1.0.0-incubating/query/query-performance.html
+++ b/docs/userguide/2.1.0.0-incubating/query/query-performance.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/query/query-profiling.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/query/query-profiling.html b/docs/userguide/2.1.0.0-incubating/query/query-profiling.html
index 6938047..aeca561 100644
--- a/docs/userguide/2.1.0.0-incubating/query/query-profiling.html
+++ b/docs/userguide/2.1.0.0-incubating/query/query-profiling.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/query/query.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/query/query.html b/docs/userguide/2.1.0.0-incubating/query/query.html
index b39a50c..811c108 100644
--- a/docs/userguide/2.1.0.0-incubating/query/query.html
+++ b/docs/userguide/2.1.0.0-incubating/query/query.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/CharacterSetSupportReference.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/reference/CharacterSetSupportReference.html b/docs/userguide/2.1.0.0-incubating/reference/CharacterSetSupportReference.html
index 780e9ab..1973200 100644
--- a/docs/userguide/2.1.0.0-incubating/reference/CharacterSetSupportReference.html
+++ b/docs/userguide/2.1.0.0-incubating/reference/CharacterSetSupportReference.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/HAWQDataTypes.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/reference/HAWQDataTypes.html b/docs/userguide/2.1.0.0-incubating/reference/HAWQDataTypes.html
index 77bfbe3..b53fcff 100644
--- a/docs/userguide/2.1.0.0-incubating/reference/HAWQDataTypes.html
+++ b/docs/userguide/2.1.0.0-incubating/reference/HAWQDataTypes.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/HAWQEnvironmentVariables.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/reference/HAWQEnvironmentVariables.html b/docs/userguide/2.1.0.0-incubating/reference/HAWQEnvironmentVariables.html
index bb685c3..4b4a1b9 100644
--- a/docs/userguide/2.1.0.0-incubating/reference/HAWQEnvironmentVariables.html
+++ b/docs/userguide/2.1.0.0-incubating/reference/HAWQEnvironmentVariables.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/HAWQSampleSiteConfig.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/reference/HAWQSampleSiteConfig.html b/docs/userguide/2.1.0.0-incubating/reference/HAWQSampleSiteConfig.html
index 30e23e2..633d733 100644
--- a/docs/userguide/2.1.0.0-incubating/reference/HAWQSampleSiteConfig.html
+++ b/docs/userguide/2.1.0.0-incubating/reference/HAWQSampleSiteConfig.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/HAWQSiteConfig.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/reference/HAWQSiteConfig.html b/docs/userguide/2.1.0.0-incubating/reference/HAWQSiteConfig.html
index 8592c23..5340b87 100644
--- a/docs/userguide/2.1.0.0-incubating/reference/HAWQSiteConfig.html
+++ b/docs/userguide/2.1.0.0-incubating/reference/HAWQSiteConfig.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/HDFSConfigurationParameterReference.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/reference/HDFSConfigurationParameterReference.html b/docs/userguide/2.1.0.0-incubating/reference/HDFSConfigurationParameterReference.html
index 13acdb4..27f8228 100644
--- a/docs/userguide/2.1.0.0-incubating/reference/HDFSConfigurationParameterReference.html
+++ b/docs/userguide/2.1.0.0-incubating/reference/HDFSConfigurationParameterReference.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/SQLCommandReference.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/reference/SQLCommandReference.html b/docs/userguide/2.1.0.0-incubating/reference/SQLCommandReference.html
index 835756a..4b1793f 100644
--- a/docs/userguide/2.1.0.0-incubating/reference/SQLCommandReference.html
+++ b/docs/userguide/2.1.0.0-incubating/reference/SQLCommandReference.html
@@ -129,11 +129,13 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ Using Ambari</a>
-          </li>
-          <li>
-            <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+           <ul>
+            <li>
+              <a href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON Data</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data to HDFS</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles to Read and Write Data</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF External Tables and API</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER CONVERSION</a></li>  
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER FUNCTION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP AGGREGATE</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP CAST</a></li>
+              <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP CONVERSION</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP DATABASE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP EXTERNAL TABLE</a></li>
               <li><a href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP FILESPACE</a></li>



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