diff --git a/asterixdb/asterix-app/pom.xml b/asterixdb/asterix-app/pom.xml
index e25c45d..ac2c303 100644
--- a/asterixdb/asterix-app/pom.xml
+++ b/asterixdb/asterix-app/pom.xml
@@ -648,7 +648,7 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-jul</artifactId>
-      <version>2.11.1</version>
+      <version>2.12.1</version>
     </dependency>
     <dependency>
       <groupId>org.apache.asterix</groupId>
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.1.ddl.sqlpp
index 3f0e361..8ed1ec1 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.1.ddl.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.1.ddl.sqlpp
@@ -74,3 +74,12 @@
   message : string
 };
 
+create type TinySocial.TweetMessageType2 as
+{
+  tweetid : string,
+  user : TwitterUserType?,
+  `sender-location` : point?,
+  `send-time` : datetime,
+  `referred-topics` : {{string}},
+  `message-text` : string
+};
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.2.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.2.ddl.sqlpp
index e78240e..41cac2d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.2.ddl.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.2.ddl.sqlpp
@@ -33,6 +33,8 @@
 
 create  dataset TweetMessages(TweetMessageType) primary key tweetid hints (`CARDINALITY`=`100`);
 
+create  dataset TweetMessages2(TweetMessageType2) primary key tweetid hints (`CARDINALITY`=`100`);
+
 create  index fbUserSinceIdx  on FacebookUsers (`user-since`) type btree;
 
 create  index fbAuthorIdx  on FacebookMessages (`author-id`) type btree;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.3.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.3.update.sqlpp
index ec7b327..12649d3 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.3.update.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.3.update.sqlpp
@@ -33,3 +33,4 @@
 
 load  dataset TweetMessages using localfs ((`path`=`asterix_nc1://data/tinysocial/twm.adm`),(`format`=`adm`));
 
+load  dataset TweetMessages2 using localfs ((`path`=`asterix_nc1://data/tinysocial/twm.adm`),(`format`=`adm`));
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.5.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.5.query.sqlpp
new file mode 100644
index 0000000..a369915
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.5.query.sqlpp
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+* Description  : Testing get-object-field-value under different queries.
+* Expected Res : Success
+*/
+
+use TinySocial;
+
+select element TinySocial.`get-object-field-value`(m.user, "screen-name")
+from TweetMessages2 as m
+where m.tweetid = "1";
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.01.ddl.sqlpp
similarity index 92%
rename from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.1.ddl.sqlpp
rename to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.01.ddl.sqlpp
index a23dcf9..742a007 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.1.ddl.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.01.ddl.sqlpp
@@ -114,3 +114,12 @@
   message : string
 };
 
+create type TinySocial.TweetMessageType2 as
+ {
+  tweetid : string,
+  user : TwitterUserType?,
+  `sender-location` : point?,
+  `send-time` : datetime,
+  `referred-topics` : {{string}},
+  `message-text` : string
+};
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.2.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.02.ddl.sqlpp
similarity index 94%
rename from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.2.ddl.sqlpp
rename to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.02.ddl.sqlpp
index ef32bf9..ea3b0bb 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.2.ddl.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.02.ddl.sqlpp
@@ -33,6 +33,8 @@
 
 create  dataset TweetMessages(TweetMessageType) primary key tweetid hints (`CARDINALITY`=`100`);
 
+create  dataset TweetMessages2(TweetMessageType2) primary key tweetid hints (`CARDINALITY`=`100`);
+
 create  index fbUserSinceIdx  on FacebookUsers (`user-since`) type btree;
 
 create  index fbAuthorIdx  on FacebookMessages (`author-id`) type btree;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.3.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.03.update.sqlpp
similarity index 94%
rename from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.3.update.sqlpp
rename to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.03.update.sqlpp
index 7d73a99..2b91e94 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.3.update.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.03.update.sqlpp
@@ -33,6 +33,8 @@
 
 load  dataset TweetMessages using localfs ((`path`=`asterix_nc1://data/tinysocial/twm.adm`),(`format`=`adm`));
 
+load  dataset TweetMessages2 using localfs ((`path`=`asterix_nc1://data/tinysocial/twm.adm`),(`format`=`adm`));
+
 insert into TwitterUsersAlternate
 select element {'screen-name':r.`screen-name`,'lang':r.lang,'friends_count':r.friends_count,'statuses_count':r.statuses_count}
 from  TwitterUsers as r
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.4.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.04.query.sqlpp
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.4.query.sqlpp
rename to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.04.query.sqlpp
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.5.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.05.query.sqlpp
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.5.query.sqlpp
rename to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.05.query.sqlpp
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.6.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.06.query.sqlpp
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.6.query.sqlpp
rename to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.06.query.sqlpp
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.7.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.07.query.sqlpp
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.7.query.sqlpp
rename to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.07.query.sqlpp
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.8.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.08.query.sqlpp
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.8.query.sqlpp
rename to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.08.query.sqlpp
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.9.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.09.query.sqlpp
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.9.query.sqlpp
rename to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.09.query.sqlpp
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.10.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.10.query.sqlpp
new file mode 100644
index 0000000..269672e
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.10.query.sqlpp
@@ -0,0 +1,29 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+* Description  : Testing get-object-fields under different queries.
+* Expected Res : Success
+*/
+
+use TinySocial;
+
+
+select element TinySocial.`get-object-fields`(message.user)
+from  TweetMessages2 as message
+where (message.tweetid = "1");
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_length/object_length.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_length/object_length.1.ddl.sqlpp
index a50bf21..d1d5a5e 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_length/object_length.1.ddl.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_length/object_length.1.ddl.sqlpp
@@ -44,6 +44,13 @@
   `message-text` : string
 };
 
+create type TinySocial.TweetMessageType2 as {
+  tweetid : string,
+  user : TwitterUserType?
+};
+
 create  dataset TwitterUsers(TwitterUserType) primary key `screen-name`;
 
 create  dataset TweetMessages(TweetMessageType) primary key tweetid;
+
+create  dataset TweetMessages2(TweetMessageType2) primary key tweetid;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_length/object_length.2.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_length/object_length.2.update.sqlpp
index 1bd2260..b51fe17 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_length/object_length.2.update.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_length/object_length.2.update.sqlpp
@@ -27,3 +27,5 @@
 load  dataset TwitterUsers using localfs ((`path`=`asterix_nc1://data/tinysocial/twu.adm`),(`format`=`adm`));
 
 load  dataset TweetMessages using localfs ((`path`=`asterix_nc1://data/tinysocial/twm.adm`),(`format`=`adm`));
+
+load  dataset TweetMessages2 using localfs ((`path`=`asterix_nc1://data/tinysocial/twm.adm`),(`format`=`adm`));
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_length/object_length.3.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_length/object_length.3.query.sqlpp
index 67d88d9..d34b736 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_length/object_length.3.query.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_length/object_length.3.query.sqlpp
@@ -52,5 +52,11 @@
   "t5": (
     select distinct value object_length(user)
     from TweetMessages as t
+  ),
+
+  /* nullable/missable type */
+  "t6": (
+    select distinct value object_length(user)
+        from TweetMessages2 as t
   )
 };
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_names/object_names.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_names/object_names.1.ddl.sqlpp
index 4f507b1..078c631 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_names/object_names.1.ddl.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_names/object_names.1.ddl.sqlpp
@@ -44,6 +44,13 @@
   `message-text` : string
 };
 
+create type TinySocial.TweetMessageType2 as {
+  tweetid : string,
+  user : TwitterUserType?
+};
+
 create  dataset TwitterUsers(TwitterUserType) primary key `screen-name`;
 
 create  dataset TweetMessages(TweetMessageType) primary key tweetid;
+
+create  dataset TweetMessages2(TweetMessageType2) primary key tweetid;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_names/object_names.2.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_names/object_names.2.update.sqlpp
index cf03bed..1260086 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_names/object_names.2.update.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_names/object_names.2.update.sqlpp
@@ -27,3 +27,5 @@
 load  dataset TwitterUsers using localfs ((`path`=`asterix_nc1://data/tinysocial/twu.adm`),(`format`=`adm`));
 
 load  dataset TweetMessages using localfs ((`path`=`asterix_nc1://data/tinysocial/twm.adm`),(`format`=`adm`));
+
+load  dataset TweetMessages2 using localfs ((`path`=`asterix_nc1://data/tinysocial/twm.adm`),(`format`=`adm`));
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_names/object_names.3.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_names/object_names.3.query.sqlpp
index ae20bb0..1c53260 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_names/object_names.3.query.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_names/object_names.3.query.sqlpp
@@ -55,5 +55,12 @@
     select distinct string_join((select value f from g order by f), ",") res
     from TweetMessages as t, object_names(t) f
     group by t.tweetid group as g
+  ),
+
+  /* nullable/missable type */
+  "t6": (
+    select distinct string_join((select value f from g order by f), ",") res
+    from TweetMessages2 as t, object_names(t.user) f
+    group by t.tweetid group as g
   )
 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_pairs-2/object_pairs.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_pairs-2/object_pairs.1.ddl.sqlpp
index 30c5e02..545fad6 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_pairs-2/object_pairs.1.ddl.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_pairs-2/object_pairs.1.ddl.sqlpp
@@ -27,4 +27,16 @@
   id : bigint
 };
 
+create type Emp as {
+
+};
+
+create type FacebookUserType2 as
+ open {
+  id : bigint,
+  employment : [Emp]?
+};
+
 create  dataset FacebookUsers(FacebookUserType) primary key id;
+
+create  dataset FacebookUsers2(FacebookUserType2) primary key id;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_pairs-2/object_pairs.2.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_pairs-2/object_pairs.2.update.sqlpp
index cdb516e..f9a2288 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_pairs-2/object_pairs.2.update.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_pairs-2/object_pairs.2.update.sqlpp
@@ -21,3 +21,5 @@
 use TinySocial;
 
 load  dataset FacebookUsers using localfs ((`path`=`asterix_nc1://data/tinysocial/fbu.adm`),(`format`=`adm`));
+
+load  dataset FacebookUsers2 using localfs ((`path`=`asterix_nc1://data/tinysocial/fbu.adm`),(`format`=`adm`));
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_pairs-2/object_pairs.4.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_pairs-2/object_pairs.4.query.sqlpp
new file mode 100644
index 0000000..f39cddd
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_pairs-2/object_pairs.4.query.sqlpp
@@ -0,0 +1,25 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+USE TinySocial;
+
+SELECT kv.name, COUNT(*) values
+FROM FacebookUsers2 fu, fu.employment emp, OBJECT_PAIRS(emp) kv
+GROUP BY kv.name
+ORDER BY values, kv.name;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_remove/object_remove.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_remove/object_remove.1.ddl.sqlpp
index b3dafba..c8b4024 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_remove/object_remove.1.ddl.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_remove/object_remove.1.ddl.sqlpp
@@ -44,6 +44,13 @@
   `message-text` : string
 };
 
+create type TinySocial.TweetMessageType2 as {
+  tweetid : string,
+  user : TwitterUserType?
+};
+
 create  dataset TwitterUsers(TwitterUserType) primary key `screen-name`;
 
 create  dataset TweetMessages(TweetMessageType) primary key tweetid;
+
+create  dataset TweetMessages2(TweetMessageType2) primary key tweetid;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_remove/object_remove.2.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_remove/object_remove.2.update.sqlpp
index 2d03f92..a47cf63 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_remove/object_remove.2.update.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_remove/object_remove.2.update.sqlpp
@@ -27,3 +27,5 @@
 load  dataset TwitterUsers using localfs ((`path`=`asterix_nc1://data/tinysocial/twu.adm`),(`format`=`adm`));
 
 load  dataset TweetMessages using localfs ((`path`=`asterix_nc1://data/tinysocial/twm.adm`),(`format`=`adm`));
+
+load  dataset TweetMessages2 using localfs ((`path`=`asterix_nc1://data/tinysocial/twm.adm`),(`format`=`adm`));
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_remove/object_remove.3.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_remove/object_remove.3.query.sqlpp
index f6f4a5c..c4335af8 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_remove/object_remove.3.query.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_remove/object_remove.3.query.sqlpp
@@ -47,5 +47,18 @@
     select value object_remove(m, "user")
     from TweetMessages as m
     order by m.tweetid
+  ),
+
+  /* nullable/missable type */
+  "t7": (
+    select value object_remove(m.user, "lang")
+    from TweetMessages2 as m
+    order by m.tweetid
+  ),
+
+  "t8": (
+    select value object_remove(object_remove( object_remove(u, "lang"), "friends_count"), "statuses_count")
+    from TwitterUsers u
+    limit 1
   )
 };
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_rename/object_rename.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_rename/object_rename.1.ddl.sqlpp
index f6710f4..f3519ac 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_rename/object_rename.1.ddl.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_rename/object_rename.1.ddl.sqlpp
@@ -44,6 +44,13 @@
   `message-text` : string
 };
 
+create type TinySocial.TweetMessageType2 as {
+  tweetid : string,
+  user : TwitterUserType?
+};
+
 create  dataset TwitterUsers(TwitterUserType) primary key `screen-name`;
 
 create  dataset TweetMessages(TweetMessageType) primary key tweetid;
+
+create  dataset TweetMessages2(TweetMessageType2) primary key tweetid;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_rename/object_rename.2.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_rename/object_rename.2.update.sqlpp
index 5457dc9..c1e23e2 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_rename/object_rename.2.update.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_rename/object_rename.2.update.sqlpp
@@ -27,3 +27,5 @@
 load  dataset TwitterUsers using localfs ((`path`=`asterix_nc1://data/tinysocial/twu.adm`),(`format`=`adm`));
 
 load  dataset TweetMessages using localfs ((`path`=`asterix_nc1://data/tinysocial/twm.adm`),(`format`=`adm`));
+
+load  dataset TweetMessages2 using localfs ((`path`=`asterix_nc1://data/tinysocial/twm.adm`),(`format`=`adm`));
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_rename/object_rename.3.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_rename/object_rename.3.query.sqlpp
index 5f74fc1..142552a 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_rename/object_rename.3.query.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_rename/object_rename.3.query.sqlpp
@@ -48,5 +48,13 @@
     from TweetMessages as m
     order by m.tweetid
     limit 1
+  ),
+
+  /* nullable/missable type */
+  "t7": (
+    select value object_rename(m.user, "lang", "language")
+    from TweetMessages2 as m
+    order by m.tweetid
+    limit 1
   )
 };
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.1.ddl.sqlpp
index 1aba6e0..0a1f542 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.1.ddl.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.1.ddl.sqlpp
@@ -35,4 +35,15 @@
   statuses_count : bigint
 };
 
-create  dataset TwitterUsers(TwitterUserType) primary key `screen-name`;
\ No newline at end of file
+create type recordType as {
+  f : int
+};
+
+create type dsType as closed {
+  id: int,
+  rec_f : recordType?
+};
+
+create  dataset TwitterUsers(TwitterUserType) primary key `screen-name`;
+
+create  dataset ds(dsType) primary key id;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.2.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.2.update.sqlpp
index 8f854e3..7528356 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.2.update.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.2.update.sqlpp
@@ -24,4 +24,6 @@
 
 use TinySocial;
 
-load  dataset TwitterUsers using localfs ((`path`=`asterix_nc1://data/tinysocial/twu.adm`),(`format`=`adm`));
\ No newline at end of file
+load  dataset TwitterUsers using localfs ((`path`=`asterix_nc1://data/tinysocial/twu.adm`),(`format`=`adm`));
+
+insert into ds ({"id": 1, "rec_f": {"f": 2} });
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.5.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.5.query.sqlpp
new file mode 100644
index 0000000..ebff0c8
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.5.query.sqlpp
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Description  : Testing object_unwrap under different queries.
+ * Expected Res : Success
+ */
+
+use TinySocial;
+
+select object_unwrap(d.rec_f)
+from ds d;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.5.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.6.ddl.sqlpp
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.5.ddl.sqlpp
rename to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_unwrap/object_unwarp.6.ddl.sqlpp
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_values/object_values.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_values/object_values.1.ddl.sqlpp
index 1242661..22a7e71 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_values/object_values.1.ddl.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_values/object_values.1.ddl.sqlpp
@@ -44,6 +44,13 @@
   `message-text` : string
 };
 
+create type TinySocial.TweetMessageType2 as {
+  tweetid : string,
+  user : TwitterUserType?
+};
+
 create  dataset TwitterUsers(TwitterUserType) primary key `screen-name`;
 
 create  dataset TweetMessages(TweetMessageType) primary key tweetid;
+
+create  dataset TweetMessages2(TweetMessageType2) primary key tweetid;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_values/object_values.2.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_values/object_values.2.update.sqlpp
index 72edf0c..0c78212 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_values/object_values.2.update.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_values/object_values.2.update.sqlpp
@@ -27,3 +27,5 @@
 load  dataset TwitterUsers using localfs ((`path`=`asterix_nc1://data/tinysocial/twu.adm`),(`format`=`adm`));
 
 load  dataset TweetMessages using localfs ((`path`=`asterix_nc1://data/tinysocial/twm.adm`),(`format`=`adm`));
+
+load  dataset TweetMessages2 using localfs ((`path`=`asterix_nc1://data/tinysocial/twm.adm`),(`format`=`adm`));
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_values/object_values.3.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_values/object_values.3.query.sqlpp
index ebd0a80..8c2f2ab 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_values/object_values.3.query.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/object_values/object_values.3.query.sqlpp
@@ -46,5 +46,13 @@
     from TweetMessages as m
     order by m.tweetid
     limit 1
+  ),
+
+  /* nullable/missable type */
+  "t5": (
+    select value object_values(m.user)
+    from TweetMessages2 as m
+    order by m.tweetid
+    limit 1
   )
 };
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-field-value/tiny-social-example/tiny-social-example.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-field-value/tiny-social-example/tiny-social-example.5.adm
new file mode 100644
index 0000000..b726919
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-field-value/tiny-social-example/tiny-social-example.5.adm
@@ -0,0 +1 @@
+"NathanGiesen@211"
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.4.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.04.adm
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.4.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.04.adm
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.05.adm
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.5.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.05.adm
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.6.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.06.adm
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.6.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.06.adm
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.7.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.07.adm
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.7.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.07.adm
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.8.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.08.adm
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.8.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.08.adm
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.9.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.09.adm
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.9.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.09.adm
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.10.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.10.adm
new file mode 100644
index 0000000..2e49bb4
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.10.adm
@@ -0,0 +1 @@
+[ { "field-name": "screen-name", "field-type": "string", "is-open": false }, { "field-name": "lang", "field-type": "string", "is-open": false }, { "field-name": "friends_count", "field-type": "bigint", "is-open": false }, { "field-name": "statuses_count", "field-type": "bigint", "is-open": false }, { "field-name": "name", "field-type": "string", "is-open": true }, { "field-name": "followers_count", "field-type": "bigint", "is-open": true } ]
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_length/object_length.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_length/object_length.3.adm
index f03b7d5..815cdca 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_length/object_length.3.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_length/object_length.3.adm
@@ -1 +1 @@
-{ "t1": [ true, true, true, true, true ], "t2": [ 0, 1, 2 ], "t3": [ 2, 2, 2 ], "t4": [ 6 ], "t5": [ 6 ] }
\ No newline at end of file
+{ "t1": [ true, true, true, true, true ], "t2": [ 0, 1, 2 ], "t3": [ 2, 2, 2 ], "t4": [ 6 ], "t5": [ 6 ], "t6": [ 6 ] }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_names/object_names.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_names/object_names.3.adm
index 04441f8..03fd77d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_names/object_names.3.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_names/object_names.3.adm
@@ -1 +1 @@
-{ "t1": [ true, true, true, true, true ], "t2": [ [  ], [ "a" ], [ "a", "b" ], [ "a", "b", "c" ] ], "t3": [ [ "x", "y" ], [ "x", "y" ], [ "x", "y" ] ], "t4": [ { "res": "followers_count,friends_count,lang,name,screen-name,statuses_count" } ], "t5": [ { "res": "message-text,referred-topics,send-time,sender-location,tweetid,user" } ] }
\ No newline at end of file
+{ "t1": [ true, true, true, true, true ], "t2": [ [  ], [ "a" ], [ "a", "b" ], [ "a", "b", "c" ] ], "t3": [ [ "x", "y" ], [ "x", "y" ], [ "x", "y" ] ], "t4": [ { "res": "followers_count,friends_count,lang,name,screen-name,statuses_count" } ], "t5": [ { "res": "message-text,referred-topics,send-time,sender-location,tweetid,user" } ], "t6": [ { "res": "followers_count,friends_count,lang,name,screen-name,statuses_count" } ] }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_pairs-2/object_pairs-2.2.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_pairs-2/object_pairs-2.2.adm
new file mode 100644
index 0000000..65692e8
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_pairs-2/object_pairs-2.2.adm
@@ -0,0 +1,3 @@
+{ "values": 3, "name": "end-date" }
+{ "values": 10, "name": "organization-name" }
+{ "values": 10, "name": "start-date" }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_remove/object_remove.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_remove/object_remove.3.adm
index 61d0506..7ff6e89 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_remove/object_remove.3.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_remove/object_remove.3.adm
@@ -1 +1 @@
-{ "t1": [ true, true, true, true ], "t2": { "b": 2 }, "t3": { "a": 1 }, "t4": { "a": 1, "b": 2 }, "t5": [ { "screen-name": "ChangEwing_573", "friends_count": 182, "statuses_count": 394, "name": "Chang Ewing", "followers_count": 32136 }, { "screen-name": "ColineGeyer@63", "friends_count": 121, "statuses_count": 362, "name": "Coline Geyer", "followers_count": 17159 }, { "screen-name": "NathanGiesen@211", "friends_count": 18, "statuses_count": 473, "name": "Nathan Giesen", "followers_count": 49416 }, { "screen-name": "NilaMilliron_tw", "friends_count": 445, "statuses_count": 164, "name": "Nila Milliron", "followers_count": 22649 } ], "t6": [ { "tweetid": "1", "sender-location": point("47.44,80.65"), "send-time": datetime("2008-04-26T10:10:00.000Z"), "referred-topics": {{ "t-mobile", "customization" }}, "message-text": " love t-mobile its customization is good:)" }, { "tweetid": "10", "sender-location": point("29.15,76.53"), "send-time": datetime("2008-01-26T10:10:00.000Z"), "referred-topics": {{ "verizon", "voice-clarity" }}, "message-text": " hate verizon its voice-clarity is OMG:(" }, { "tweetid": "11", "sender-location": point("37.59,68.42"), "send-time": datetime("2008-03-09T10:10:00.000Z"), "referred-topics": {{ "iphone", "platform" }}, "message-text": " can't stand iphone its platform is terrible" }, { "tweetid": "12", "sender-location": point("24.82,94.63"), "send-time": datetime("2010-02-13T10:10:00.000Z"), "referred-topics": {{ "samsung", "voice-command" }}, "message-text": " like samsung the voice-command is amazing:)" }, { "tweetid": "2", "sender-location": point("32.84,67.14"), "send-time": datetime("2010-05-13T10:10:00.000Z"), "referred-topics": {{ "verizon", "shortcut-menu" }}, "message-text": " like verizon its shortcut-menu is awesome:)" }, { "tweetid": "3", "sender-location": point("29.72,75.8"), "send-time": datetime("2006-11-04T10:10:00.000Z"), "referred-topics": {{ "motorola", "speed" }}, "message-text": " like motorola the speed is good:)" }, { "tweetid": "4", "sender-location": point("39.28,70.48"), "send-time": datetime("2011-12-26T10:10:00.000Z"), "referred-topics": {{ "sprint", "voice-command" }}, "message-text": " like sprint the voice-command is mind-blowing:)" }, { "tweetid": "5", "sender-location": point("40.09,92.69"), "send-time": datetime("2006-08-04T10:10:00.000Z"), "referred-topics": {{ "motorola", "speed" }}, "message-text": " can't stand motorola its speed is terrible:(" }, { "tweetid": "6", "sender-location": point("47.51,83.99"), "send-time": datetime("2010-05-07T10:10:00.000Z"), "referred-topics": {{ "iphone", "voice-clarity" }}, "message-text": " like iphone the voice-clarity is good:)" }, { "tweetid": "7", "sender-location": point("36.21,72.6"), "send-time": datetime("2011-08-25T10:10:00.000Z"), "referred-topics": {{ "samsung", "platform" }}, "message-text": " like samsung the platform is good" }, { "tweetid": "8", "sender-location": point("46.05,93.34"), "send-time": datetime("2005-10-14T10:10:00.000Z"), "referred-topics": {{ "t-mobile", "shortcut-menu" }}, "message-text": " like t-mobile the shortcut-menu is awesome:)" }, { "tweetid": "9", "sender-location": point("36.86,74.62"), "send-time": datetime("2012-07-21T10:10:00.000Z"), "referred-topics": {{ "verizon", "voicemail-service" }}, "message-text": " love verizon its voicemail-service is awesome" } ] }
\ No newline at end of file
+{ "t1": [ true, true, true, true ], "t2": { "b": 2 }, "t3": { "a": 1 }, "t4": { "a": 1, "b": 2 }, "t5": [ { "screen-name": "ChangEwing_573", "friends_count": 182, "statuses_count": 394, "name": "Chang Ewing", "followers_count": 32136 }, { "screen-name": "ColineGeyer@63", "friends_count": 121, "statuses_count": 362, "name": "Coline Geyer", "followers_count": 17159 }, { "screen-name": "NathanGiesen@211", "friends_count": 18, "statuses_count": 473, "name": "Nathan Giesen", "followers_count": 49416 }, { "screen-name": "NilaMilliron_tw", "friends_count": 445, "statuses_count": 164, "name": "Nila Milliron", "followers_count": 22649 } ], "t6": [ { "tweetid": "1", "sender-location": point("47.44,80.65"), "send-time": datetime("2008-04-26T10:10:00.000Z"), "referred-topics": {{ "t-mobile", "customization" }}, "message-text": " love t-mobile its customization is good:)" }, { "tweetid": "10", "sender-location": point("29.15,76.53"), "send-time": datetime("2008-01-26T10:10:00.000Z"), "referred-topics": {{ "verizon", "voice-clarity" }}, "message-text": " hate verizon its voice-clarity is OMG:(" }, { "tweetid": "11", "sender-location": point("37.59,68.42"), "send-time": datetime("2008-03-09T10:10:00.000Z"), "referred-topics": {{ "iphone", "platform" }}, "message-text": " can't stand iphone its platform is terrible" }, { "tweetid": "12", "sender-location": point("24.82,94.63"), "send-time": datetime("2010-02-13T10:10:00.000Z"), "referred-topics": {{ "samsung", "voice-command" }}, "message-text": " like samsung the voice-command is amazing:)" }, { "tweetid": "2", "sender-location": point("32.84,67.14"), "send-time": datetime("2010-05-13T10:10:00.000Z"), "referred-topics": {{ "verizon", "shortcut-menu" }}, "message-text": " like verizon its shortcut-menu is awesome:)" }, { "tweetid": "3", "sender-location": point("29.72,75.8"), "send-time": datetime("2006-11-04T10:10:00.000Z"), "referred-topics": {{ "motorola", "speed" }}, "message-text": " like motorola the speed is good:)" }, { "tweetid": "4", "sender-location": point("39.28,70.48"), "send-time": datetime("2011-12-26T10:10:00.000Z"), "referred-topics": {{ "sprint", "voice-command" }}, "message-text": " like sprint the voice-command is mind-blowing:)" }, { "tweetid": "5", "sender-location": point("40.09,92.69"), "send-time": datetime("2006-08-04T10:10:00.000Z"), "referred-topics": {{ "motorola", "speed" }}, "message-text": " can't stand motorola its speed is terrible:(" }, { "tweetid": "6", "sender-location": point("47.51,83.99"), "send-time": datetime("2010-05-07T10:10:00.000Z"), "referred-topics": {{ "iphone", "voice-clarity" }}, "message-text": " like iphone the voice-clarity is good:)" }, { "tweetid": "7", "sender-location": point("36.21,72.6"), "send-time": datetime("2011-08-25T10:10:00.000Z"), "referred-topics": {{ "samsung", "platform" }}, "message-text": " like samsung the platform is good" }, { "tweetid": "8", "sender-location": point("46.05,93.34"), "send-time": datetime("2005-10-14T10:10:00.000Z"), "referred-topics": {{ "t-mobile", "shortcut-menu" }}, "message-text": " like t-mobile the shortcut-menu is awesome:)" }, { "tweetid": "9", "sender-location": point("36.86,74.62"), "send-time": datetime("2012-07-21T10:10:00.000Z"), "referred-topics": {{ "verizon", "voicemail-service" }}, "message-text": " love verizon its voicemail-service is awesome" } ], "t7": [ { "screen-name": "NathanGiesen@211", "friends_count": 39339, "statuses_count": 473, "name": "Nathan Giesen", "followers_count": 49416 }, { "screen-name": "ColineGeyer@63", "friends_count": 121, "statuses_count": 362, "name": "Coline Geyer", "followers_count": 17159 }, { "screen-name": "NilaMilliron_tw", "friends_count": 445, "statuses_count": 164, "name": "Nila Milliron", "followers_count": 22649 }, { "screen-name": "OliJackson_512", "friends_count": 445, "statuses_count": 164, "name": "Oli Jackson", "followers_count": 22649 }, { "screen-name": "ColineGeyer@63", "friends_count": 121, "statuses_count": 362, "name": "Coline Geyer", "followers_count": 17159 }, { "screen-name": "NathanGiesen@211", "friends_count": 39339, "statuses_count": 473, "name": "Nathan Giesen", "followers_count": 49416 }, { "screen-name": "NathanGiesen@211", "friends_count": 39339, "statuses_count": 473, "name": "Nathan Giesen", "followers_count": 49416 }, { "screen-name": "NathanGiesen@211", "friends_count": 39339, "statuses_count": 473, "name": "Nathan Giesen", "followers_count": 49416 }, { "screen-name": "ColineGeyer@63", "friends_count": 121, "statuses_count": 362, "name": "Coline Geyer", "followers_count": 17159 }, { "screen-name": "ChangEwing_573", "friends_count": 182, "statuses_count": 394, "name": "Chang Ewing", "followers_count": 32136 }, { "screen-name": "NathanGiesen@211", "friends_count": 39339, "statuses_count": 473, "name": "Nathan Giesen", "followers_count": 49416 }, { "screen-name": "NathanGiesen@211", "friends_count": 39339, "statuses_count": 473, "name": "Nathan Giesen", "followers_count": 49416 } ], "t8": [ { "screen-name": "ChangEwing_573", "name": "Chang Ewing", "followers_count": 32136 } ] }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_rename/object_rename.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_rename/object_rename.3.adm
index 197fec1..16c2c6d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_rename/object_rename.3.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_rename/object_rename.3.adm
@@ -1 +1 @@
-{ "t1": [ true, true, true, true ], "t2": { "a": 1, "c": 2 }, "t3": { "a": 1, "b": 2 }, "t5": [ { "screen-name": "ChangEwing_573", "language": "en", "friends_count": 182, "statuses_count": 394, "name": "Chang Ewing", "followers_count": 32136 } ], "t6": [ { "tweetid": "1", "user_details": { "screen-name": "NathanGiesen@211", "lang": "en", "friends_count": 39339, "statuses_count": 473, "name": "Nathan Giesen", "followers_count": 49416 }, "sender-location": point("47.44,80.65"), "send-time": datetime("2008-04-26T10:10:00.000Z"), "referred-topics": {{ "t-mobile", "customization" }}, "message-text": " love t-mobile its customization is good:)" } ] }
\ No newline at end of file
+{ "t1": [ true, true, true, true ], "t2": { "a": 1, "c": 2 }, "t3": { "a": 1, "b": 2 }, "t5": [ { "screen-name": "ChangEwing_573", "language": "en", "friends_count": 182, "statuses_count": 394, "name": "Chang Ewing", "followers_count": 32136 } ], "t6": [ { "tweetid": "1", "user_details": { "screen-name": "NathanGiesen@211", "lang": "en", "friends_count": 39339, "statuses_count": 473, "name": "Nathan Giesen", "followers_count": 49416 }, "sender-location": point("47.44,80.65"), "send-time": datetime("2008-04-26T10:10:00.000Z"), "referred-topics": {{ "t-mobile", "customization" }}, "message-text": " love t-mobile its customization is good:)" } ], "t7": [ { "screen-name": "NathanGiesen@211", "language": "en", "friends_count": 39339, "statuses_count": 473, "name": "Nathan Giesen", "followers_count": 49416 } ] }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_unwrap/object_unwrap.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_unwrap/object_unwrap.5.adm
new file mode 100644
index 0000000..cd2a127
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_unwrap/object_unwrap.5.adm
@@ -0,0 +1 @@
+{ "$1": 2 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_values/object_values.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_values/object_values.3.adm
index 2216760..d2a50b7 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_values/object_values.3.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/object_values/object_values.3.adm
@@ -1 +1 @@
-{ "t1": [ true, true, true ], "t2": [ { "a": 3 }, [ 1, 2 ], 4 ], "t3": [ [ "ChangEwing_573", "en", 182, 394, "Chang Ewing", 32136 ] ], "t4": [ [ "1", { "screen-name": "NathanGiesen@211", "lang": "en", "friends_count": 39339, "statuses_count": 473, "name": "Nathan Giesen", "followers_count": 49416 }, point("47.44,80.65"), datetime("2008-04-26T10:10:00.000Z"), {{ "t-mobile", "customization" }}, " love t-mobile its customization is good:)" ] ] }
\ No newline at end of file
+{ "t1": [ true, true, true ], "t2": [ { "a": 3 }, [ 1, 2 ], 4 ], "t3": [ [ "ChangEwing_573", "en", 182, 394, "Chang Ewing", 32136 ] ], "t4": [ [ "1", { "screen-name": "NathanGiesen@211", "lang": "en", "friends_count": 39339, "statuses_count": 473, "name": "Nathan Giesen", "followers_count": 49416 }, point("47.44,80.65"), datetime("2008-04-26T10:10:00.000Z"), {{ "t-mobile", "customization" }}, " love t-mobile its customization is good:)" ] ], "t5": [ [ "NathanGiesen@211", "en", 39339, 473, "Nathan Giesen", 49416 ] ] }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.1.ast b/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.1.ast
index 2ab67ab..0f0e66f 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.1.ast
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.1.ast
@@ -48,3 +48,14 @@
     message : string
   }
 ]
+TypeDecl TweetMessageType2 [
+  open RecordType {
+    tweetid : string,
+    user : TwitterUserType?,
+    sender-location : point?,
+    send-time : datetime,
+    referred-topics : UnorderedList <string>
+,
+    message-text : string
+  }
+]
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.2.ast b/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.2.ast
index a6e2ec9..4971038 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.2.ast
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.2.ast
@@ -3,3 +3,4 @@
 DatasetDecl FacebookMessages(FacebookMessageType) partitioned by [[message-id]]
 DatasetDecl TwitterUsers(TwitterUserType) partitioned by [[screen-name]]
 DatasetDecl TweetMessages(TweetMessageType) partitioned by [[tweetid]]
+DatasetDecl TweetMessages2(TweetMessageType2) partitioned by [[tweetid]]
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.5.ast b/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.5.ast
new file mode 100644
index 0000000..6b1c326
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-field-value/tiny-social-example/tiny-social-example.5.ast
@@ -0,0 +1,25 @@
+DataverseUse TinySocial
+Query:
+SELECT ELEMENT [
+FunctionCall TinySocial.get-object-field-value@2[
+  FieldAccessor [
+    Variable [ Name=$m ]
+    Field=user
+  ]
+  LiteralExpr [STRING] [screen-name]
+]
+]
+FROM [  FunctionCall asterix.dataset@1[
+    LiteralExpr [STRING] [TinySocial.TweetMessages2]
+  ]
+  AS Variable [ Name=$m ]
+]
+Where
+  OperatorExpr [
+    FieldAccessor [
+      Variable [ Name=$m ]
+      Field=tweetid
+    ]
+    =
+    LiteralExpr [STRING] [1]
+  ]
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.1.ast b/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.1.ast
index 04257fc..1fc5c4f 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.1.ast
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.1.ast
@@ -88,3 +88,14 @@
     message : string
   }
 ]
+TypeDecl TweetMessageType2 [
+  open RecordType {
+    tweetid : string,
+    user : TwitterUserType?,
+    sender-location : point?,
+    send-time : datetime,
+    referred-topics : UnorderedList <string>
+,
+    message-text : string
+  }
+]
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.10.ast b/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.10.ast
new file mode 100644
index 0000000..e6b376b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.10.ast
@@ -0,0 +1,24 @@
+DataverseUse TinySocial
+Query:
+SELECT ELEMENT [
+FunctionCall TinySocial.get-object-fields@1[
+  FieldAccessor [
+    Variable [ Name=$message ]
+    Field=user
+  ]
+]
+]
+FROM [  FunctionCall asterix.dataset@1[
+    LiteralExpr [STRING] [TinySocial.TweetMessages2]
+  ]
+  AS Variable [ Name=$message ]
+]
+Where
+  OperatorExpr [
+    FieldAccessor [
+      Variable [ Name=$message ]
+      Field=tweetid
+    ]
+    =
+    LiteralExpr [STRING] [1]
+  ]
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.2.ast b/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.2.ast
index a2fb376..3766a9d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.2.ast
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/objects/get-object-fields/tiny-social-example-only-records/tiny-social-example-only-records.2.ast
@@ -3,7 +3,8 @@
 DatasetDecl FacebookMessages(FacebookMessageType) partitioned by [[message-id]]
 DatasetDecl TwitterUsers(TwitterUserType) partitioned by [[screen-name]]
 DatasetDecl TweetMessages(TweetMessageType) partitioned by [[tweetid]]
+DatasetDecl TweetMessages2(TweetMessageType2) partitioned by [[tweetid]]
 DatasetDecl FacebookUsersAlternate(FacebookUserAlternateType) partitioned by [[id]]
 DatasetDecl FacebookMessagesAlternate(FacebookMessageAlternateType) partitioned by [[message-id]]
 DatasetDecl TwitterUsersAlternate(TwitterUserAlternateType) partitioned by [[screen-name]]
-DatasetDecl TweetMessagesAlternate(TweetMessageAlternateType) partitioned by [[tweetid]]
+DatasetDecl TweetMessagesAlternate(TweetMessageAlternateType) partitioned by [[tweetid]]
\ No newline at end of file
diff --git a/asterixdb/asterix-external-data/pom.xml b/asterixdb/asterix-external-data/pom.xml
index eacb2b7..605fbe5 100644
--- a/asterixdb/asterix-external-data/pom.xml
+++ b/asterixdb/asterix-external-data/pom.xml
@@ -401,7 +401,7 @@
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-collections4</artifactId>
-      <version>4.2</version>
+      <version>4.4</version>
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
diff --git a/asterixdb/asterix-maven-plugins/record-manager-generator-maven-plugin/pom.xml b/asterixdb/asterix-maven-plugins/record-manager-generator-maven-plugin/pom.xml
index 50d6a80..3fe2278 100644
--- a/asterixdb/asterix-maven-plugins/record-manager-generator-maven-plugin/pom.xml
+++ b/asterixdb/asterix-maven-plugins/record-manager-generator-maven-plugin/pom.xml
@@ -43,7 +43,6 @@
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-project</artifactId>
-      <version>2.2.1</version>
     </dependency>
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
diff --git a/asterixdb/asterix-runtime/pom.xml b/asterixdb/asterix-runtime/pom.xml
index 196a52f..a226991 100644
--- a/asterixdb/asterix-runtime/pom.xml
+++ b/asterixdb/asterix-runtime/pom.xml
@@ -149,7 +149,7 @@
     <dependency>
       <groupId>it.unimi.dsi</groupId>
       <artifactId>fastutil</artifactId>
-      <version>8.2.2</version>
+      <version>8.3.0</version>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>
diff --git a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/functions/FunctionTypeInferers.java b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/functions/FunctionTypeInferers.java
index 5dc56dd..1680e54 100644
--- a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/functions/FunctionTypeInferers.java
+++ b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/functions/FunctionTypeInferers.java
@@ -180,6 +180,7 @@
                 listFieldPath.add(((AString) fieldPath.getItem(i)).getStringValue());
             }
 
+            // TODO(ali): I guess this may not work as well if t happens to be UNION(record), not sure if it ever does
             switch (t.getTypeTag()) {
                 case OBJECT:
                     fd.setImmutableStates(t, listFieldPath);
@@ -210,7 +211,7 @@
         public void infer(ILogicalExpression expr, IFunctionDescriptor fd, IVariableTypeEnvironment context,
                 CompilerProperties compilerProps) throws AlgebricksException {
             AbstractFunctionCallExpression fce = (AbstractFunctionCallExpression) expr;
-            IAType t = (IAType) context.getType(fce.getArguments().get(0).getValue());
+            IAType t = TypeComputeUtils.getActualType((IAType) context.getType(fce.getArguments().get(0).getValue()));
             ATypeTag typeTag = t.getTypeTag();
             switch (typeTag) {
                 case OBJECT:
diff --git a/asterixdb/pom.xml b/asterixdb/pom.xml
index 9a8cf32..22ad37a 100644
--- a/asterixdb/pom.xml
+++ b/asterixdb/pom.xml
@@ -885,22 +885,17 @@
       <dependency>
         <groupId>org.slf4j</groupId>
         <artifactId>slf4j-simple</artifactId>
-        <version>1.7.25</version>
+        <version>1.7.28</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-plugin-api</artifactId>
-        <version>3.6.0</version>
+        <version>3.6.2</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-model</artifactId>
-        <version>3.6.0</version>
-      </dependency>
-      <dependency>
-        <groupId>org.apache.maven</groupId>
-        <artifactId>maven-project</artifactId>
-        <version>2.2.1</version>
+        <version>3.6.2</version>
       </dependency>
       <dependency>
         <groupId>org.apache.hadoop</groupId>
@@ -1007,7 +1002,7 @@
       <dependency>
         <groupId>org.apache.commons</groupId>
         <artifactId>commons-compress</artifactId>
-        <version>1.18</version>
+        <version>1.19</version>
       </dependency>
       <dependency>
         <groupId>commons-logging</groupId>
@@ -1282,7 +1277,7 @@
       <dependency>
         <groupId>javax.xml.bind</groupId>
         <artifactId>jaxb-api</artifactId>
-        <version>2.3.0</version>
+        <version>2.3.1</version>
       </dependency>
       <dependency>
         <groupId>org.codehaus.mojo.appassembler</groupId>
@@ -1298,12 +1293,12 @@
       <dependency>
         <groupId>commons-codec</groupId>
         <artifactId>commons-codec</artifactId>
-        <version>1.11</version>
+        <version>1.13</version>
       </dependency>
       <dependency>
         <groupId>it.unimi.dsi</groupId>
         <artifactId>fastutil</artifactId>
-        <version>8.2.2</version>
+        <version>8.3.0</version>
       </dependency>
       <dependency>
         <groupId>com.sun.xml.bind</groupId>
@@ -1313,7 +1308,7 @@
       <dependency>
         <groupId>com.sun.xml.bind</groupId>
         <artifactId>jaxb-impl</artifactId>
-        <version>2.3.0</version>
+        <version>2.3.2</version>
       </dependency>
       <dependency>
         <groupId>javax.activation</groupId>
@@ -1328,12 +1323,12 @@
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-core</artifactId>
-        <version>3.3.9</version>
+        <version>3.6.2</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-compat</artifactId>
-        <version>3.3.9</version>
+        <version>3.6.2</version>
       </dependency>
       <dependency>
         <groupId>com.esri.geometry</groupId>
diff --git a/asterixdb/src/main/appended-resources/supplemental-models.xml b/asterixdb/src/main/appended-resources/supplemental-models.xml
index 650f9ac..6597852 100644
--- a/asterixdb/src/main/appended-resources/supplemental-models.xml
+++ b/asterixdb/src/main/appended-resources/supplemental-models.xml
@@ -160,9 +160,9 @@
       <artifactId>netty-all</artifactId>
       <properties>
         <!-- netty is ALv2, and does not contain any embedded LICENSE or NOTICE file -->
-        <license.ignoreMissingEmbeddedLicense>4.1.25.Final,4.1.32.Final</license.ignoreMissingEmbeddedLicense>
-        <license.ignoreMissingEmbeddedNotice>4.1.25.Final,4.1.32.Final</license.ignoreMissingEmbeddedNotice>
-        <license.ignoreNoticeOverride>4.1.25.Final,4.1.32.Final</license.ignoreNoticeOverride>
+        <license.ignoreMissingEmbeddedLicense>4.1.25.Final,4.1.32.Final,4.1.42.Final</license.ignoreMissingEmbeddedLicense>
+        <license.ignoreMissingEmbeddedNotice>4.1.25.Final,4.1.32.Final,4.1.42.Final</license.ignoreMissingEmbeddedNotice>
+        <license.ignoreNoticeOverride>4.1.25.Final,4.1.32.Final,4.1.42.Final</license.ignoreNoticeOverride>
       </properties>
     </project>
   </supplement>
@@ -174,8 +174,8 @@
         <!-- guava is ALv2, and does not contain any embedded LICENSE or NOTICE file -->
         <!-- see https://github.com/google/guava/blob/v18.0/COPYING -->
         <!-- see https://github.com/google/guava/tree/v28.0/COPYING -->
-        <license.ignoreMissingEmbeddedNotice>18.0,28.0-jre</license.ignoreMissingEmbeddedNotice>
-        <license.ignoreMissingEmbeddedLicense>18.0,28.0-jre</license.ignoreMissingEmbeddedLicense>
+        <license.ignoreMissingEmbeddedNotice>18.0,28.0-jre,28.1-jre</license.ignoreMissingEmbeddedNotice>
+        <license.ignoreMissingEmbeddedLicense>18.0,28.0-jre,28.1-jre</license.ignoreMissingEmbeddedLicense>
       </properties>
     </project>
   </supplement>
@@ -229,7 +229,7 @@
       <artifactId>jackson-annotations</artifactId>
       <properties>
         <!-- jackson-annotation does not provide an embedded NOTICE file -->
-        <license.ignoreMissingEmbeddedNotice>2.8.4,2.9.7,2.9.10</license.ignoreMissingEmbeddedNotice>
+        <license.ignoreMissingEmbeddedNotice>2.8.4,2.9.7,2.9.10,2.10.0</license.ignoreMissingEmbeddedNotice>
       </properties>
     </project>
   </supplement>
@@ -239,8 +239,8 @@
       <artifactId>esri-geometry-api</artifactId>
       <properties>
         <!-- esri is ALv2, and does not contain any embedded LICENSE or NOTICE file -->
-        <license.ignoreMissingEmbeddedLicense>2.0.0</license.ignoreMissingEmbeddedLicense>
-        <license.ignoreMissingEmbeddedNotice>2.0.0</license.ignoreMissingEmbeddedNotice>
+        <license.ignoreMissingEmbeddedLicense>2.0.0,2.2.3</license.ignoreMissingEmbeddedLicense>
+        <license.ignoreMissingEmbeddedNotice>2.0.0,2.2.3</license.ignoreMissingEmbeddedNotice>
       </properties>
     </project>
   </supplement>
@@ -252,8 +252,8 @@
         <!-- fastutil is ALv2, and does not contain any embedded LICENSE or NOTICE file -->
         <!-- see https://github.com/vigna/fastutil/blob/8.1.1/LICENSE-2.0 -->
         <!-- see https://github.com/vigna/fastutil/blob/8.2.2/LICENSE-2.0 -->
-        <license.ignoreMissingEmbeddedLicense>8.1.1,8.2.2</license.ignoreMissingEmbeddedLicense>
-        <license.ignoreMissingEmbeddedNotice>8.1.1,8.2.2</license.ignoreMissingEmbeddedNotice>
+        <license.ignoreMissingEmbeddedLicense>8.1.1,8.2.2,8.3.0</license.ignoreMissingEmbeddedLicense>
+        <license.ignoreMissingEmbeddedNotice>8.1.1,8.2.2,8.3.0</license.ignoreMissingEmbeddedNotice>
       </properties>
     </project>
   </supplement>
diff --git a/asterixdb/src/main/licenses/content/raw.githubusercontent.com_netty_netty_netty-4.1.32.Final_NOTICE.txt b/asterixdb/src/main/licenses/content/raw.githubusercontent.com_netty_netty_netty-4.1.42.Final_NOTICE.txt
similarity index 90%
rename from asterixdb/src/main/licenses/content/raw.githubusercontent.com_netty_netty_netty-4.1.32.Final_NOTICE.txt
rename to asterixdb/src/main/licenses/content/raw.githubusercontent.com_netty_netty_netty-4.1.42.Final_NOTICE.txt
index f973663..5398818 100644
--- a/asterixdb/src/main/licenses/content/raw.githubusercontent.com_netty_netty_netty-4.1.32.Final_NOTICE.txt
+++ b/asterixdb/src/main/licenses/content/raw.githubusercontent.com_netty_netty_netty-4.1.42.Final_NOTICE.txt
@@ -4,7 +4,7 @@
 
 Please visit the Netty web site for more information:
 
-  * http://netty.io/
+  * https://netty.io/
 
 Copyright 2014 The Netty Project
 
@@ -162,9 +162,9 @@
 serialization API, which can be obtained at:
 
   * LICENSE:
-    * license/LICENSE.jboss-marshalling.txt (GNU LGPL 2.1)
+    * license/LICENSE.jboss-marshalling.txt (Apache License 2.0)
   * HOMEPAGE:
-    * http://www.jboss.org/jbossmarshalling
+    * https://github.com/jboss-remoting/jboss-marshalling
 
 This product optionally depends on 'Caliper', Google's micro-
 benchmarking framework, which can be obtained at:
@@ -206,6 +206,22 @@
   * HOMEPAGE:
     * https://github.com/twitter/hpack
 
+This product contains a modified version of 'HPACK', a Java implementation of
+the HTTP/2 HPACK algorithm written by Cory Benfield. It can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.hyper-hpack.txt (MIT License)
+  * HOMEPAGE:
+    * https://github.com/python-hyper/hpack/
+
+This product contains a modified version of 'HPACK', a Java implementation of
+the HTTP/2 HPACK algorithm written by Tatsuhiro Tsujikawa. It can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.nghttp2-hpack.txt (MIT License)
+  * HOMEPAGE:
+    * https://github.com/nghttp2/nghttp2/
+
 This product contains a modified portion of 'Apache Commons Lang', a Java library
 provides utilities for the java.lang API, which can be obtained at:
 
@@ -220,4 +236,4 @@
   * LICENSE:
     * license/LICENSE.mvn-wrapper.txt (Apache License 2.0)
   * HOMEPAGE:
-    * https://github.com/takari/maven-wrapper
+    * https://github.com/takari/maven-wrapper
\ No newline at end of file
diff --git a/asterixdb/src/main/licenses/content/www.eclipse.org_org_documents_edl-v10.php.txt b/asterixdb/src/main/licenses/content/www.eclipse.org_org_documents_edl-v10.php.txt
new file mode 100644
index 0000000..a4a267e
--- /dev/null
+++ b/asterixdb/src/main/licenses/content/www.eclipse.org_org_documents_edl-v10.php.txt
@@ -0,0 +1,12 @@
+Eclipse Distribution License - v 1.0
+
+Copyright (c) 2007, Eclipse Foundation, Inc. and its licensors.
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+Neither the name of the Eclipse Foundation, Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\ No newline at end of file
diff --git a/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/pom.xml b/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/pom.xml
index cce85ef..1696eec6 100644
--- a/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/pom.xml
@@ -41,7 +41,7 @@
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-core</artifactId>
-      <version>3.6.0</version>
+      <version>3.6.2</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven.plugins</groupId>
@@ -55,7 +55,7 @@
     <dependency>
       <groupId>org.freemarker</groupId>
       <artifactId>freemarker</artifactId>
-      <version>2.3.28</version>
+      <version>2.3.29</version>
     </dependency>
     <dependency>
       <groupId>commons-io</groupId>
@@ -68,12 +68,11 @@
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-project</artifactId>
-      <version>2.2.1</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-model</artifactId>
-      <version>3.6.0</version>
+      <version>3.6.2</version>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>
@@ -87,12 +86,12 @@
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-artifact</artifactId>
-      <version>3.6.0</version>
+      <version>3.6.2</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-compat</artifactId>
-      <version>3.6.0</version>
+      <version>3.6.2</version>
     </dependency>
     <dependency>
       <groupId>org.apache.hyracks</groupId>
diff --git a/hyracks-fullstack/hyracks/hyracks-maven-plugins/pom.xml b/hyracks-fullstack/hyracks/hyracks-maven-plugins/pom.xml
index 3d2edaf..e197902 100644
--- a/hyracks-fullstack/hyracks/hyracks-maven-plugins/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-maven-plugins/pom.xml
@@ -46,7 +46,7 @@
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-plugin-api</artifactId>
-      <version>3.6.0</version>
+      <version>3.6.2</version>
     </dependency>
   </dependencies>
 
diff --git a/hyracks-fullstack/pom.xml b/hyracks-fullstack/pom.xml
index b272218..d9c1464 100644
--- a/hyracks-fullstack/pom.xml
+++ b/hyracks-fullstack/pom.xml
@@ -82,7 +82,7 @@
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-all</artifactId>
-        <version>4.1.32.Final</version>
+        <version>4.1.42.Final</version>
       </dependency>
       <dependency>
         <groupId>junit</groupId>
@@ -148,27 +148,27 @@
       <dependency>
         <groupId>org.apache.commons</groupId>
         <artifactId>commons-text</artifactId>
-        <version>1.6</version>
+        <version>1.8</version>
       </dependency>
       <dependency>
         <groupId>com.fasterxml.jackson.core</groupId>
         <artifactId>jackson-databind</artifactId>
-        <version>2.9.10</version>
+        <version>2.10.0</version>
       </dependency>
       <dependency>
         <groupId>com.fasterxml.jackson.core</groupId>
         <artifactId>jackson-core</artifactId>
-        <version>2.9.10</version>
+        <version>2.10.0</version>
       </dependency>
       <dependency>
         <groupId>com.fasterxml.jackson.core</groupId>
         <artifactId>jackson-annotations</artifactId>
-        <version>2.9.10</version>
+        <version>2.10.0</version>
       </dependency>
       <dependency>
         <groupId>com.google.guava</groupId>
         <artifactId>guava</artifactId>
-        <version>28.0-jre</version>
+        <version>28.1-jre</version>
         <exclusions>
           <exclusion>
             <groupId>com.google.code.findbugs</groupId>
@@ -195,22 +195,22 @@
       <dependency>
         <groupId>org.apache.commons</groupId>
         <artifactId>commons-lang3</artifactId>
-        <version>3.8.1</version>
+        <version>3.9</version>
       </dependency>
       <dependency>
         <groupId>org.apache.commons</groupId>
         <artifactId>commons-collections4</artifactId>
-        <version>4.2</version>
+        <version>4.4</version>
       </dependency>
       <dependency>
         <groupId>org.apache.httpcomponents</groupId>
         <artifactId>httpcore</artifactId>
-        <version>4.4.10</version>
+        <version>4.4.12</version>
       </dependency>
       <dependency>
         <groupId>org.apache.httpcomponents</groupId>
         <artifactId>httpclient</artifactId>
-        <version>4.5.6</version>
+        <version>4.5.10</version>
       </dependency>
       <dependency>
         <groupId>org.apache.rat</groupId>
@@ -230,12 +230,12 @@
       <dependency>
         <groupId>org.apache.logging.log4j</groupId>
         <artifactId>log4j-api</artifactId>
-        <version>2.11.1</version>
+        <version>2.12.1</version>
       </dependency>
       <dependency>
         <groupId>org.apache.logging.log4j</groupId>
         <artifactId>log4j-core</artifactId>
-        <version>2.11.1</version>
+        <version>2.12.1</version>
       </dependency>
       <dependency>
         <groupId>org.mockito</groupId>
@@ -247,6 +247,11 @@
         <artifactId>jaxb-api</artifactId>
         <version>2.3.0</version>
       </dependency>
+      <dependency>
+        <groupId>org.apache.maven</groupId>
+        <artifactId>maven-project</artifactId>
+        <version>2.2.1</version>
+      </dependency>
     </dependencies>
   </dependencyManagement>
   <build>