HIVE-18438 : WM RP: it's impossible to unset things (Sergey Shelukhin, reviewed 
by Harish Jaiprakash, Prasanth Jayachandran)


Project: http://git-wip-us.apache.org/repos/asf/hive/repo
Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/900da829
Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/900da829
Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/900da829

Branch: refs/heads/master
Commit: 900da82915209630ec7c194619028e5fa1b87d28
Parents: 572eacc
Author: sergey <ser...@apache.org>
Authored: Thu Jan 18 13:28:54 2018 -0800
Committer: sergey <ser...@apache.org>
Committed: Thu Jan 18 13:28:54 2018 -0800

----------------------------------------------------------------------
 .../listener/DummyRawStoreFailEvent.java        |    7 +-
 .../org/apache/hadoop/hive/ql/exec/DDLTask.java |    7 +-
 .../apache/hadoop/hive/ql/metadata/Hive.java    |   13 +-
 .../hive/ql/parse/DDLSemanticAnalyzer.java      |   41 +-
 .../hadoop/hive/ql/parse/ResourcePlanParser.g   |   17 +
 .../hive/ql/plan/AlterResourcePlanDesc.java     |    9 +-
 .../hive/ql/plan/CreateOrAlterWMPoolDesc.java   |   32 +-
 .../test/queries/clientpositive/resourceplan.q  |   13 +
 .../clientpositive/llap/resourceplan.q.out      |  124 +-
 .../gen/thrift/gen-cpp/ThriftHiveMetastore.cpp  | 2326 +++++++++---------
 .../gen/thrift/gen-cpp/hive_metastore_types.cpp | 1295 ++++++----
 .../gen/thrift/gen-cpp/hive_metastore_types.h   |  179 +-
 .../hive/metastore/api/WMAlterPoolRequest.java  |   16 +-
 .../api/WMAlterResourcePlanRequest.java         |   16 +-
 .../hive/metastore/api/WMNullablePool.java      |  901 +++++++
 .../metastore/api/WMNullableResourcePlan.java   |  918 +++++++
 .../src/gen/thrift/gen-php/metastore/Types.php  |  392 ++-
 .../gen/thrift/gen-py/hive_metastore/ttypes.py  |  275 ++-
 .../gen/thrift/gen-rb/hive_metastore_types.rb   |   62 +-
 .../hive/metastore/HiveMetaStoreClient.java     |    4 +-
 .../hadoop/hive/metastore/IMetaStoreClient.java |    6 +-
 .../hadoop/hive/metastore/ObjectStore.java      |   50 +-
 .../apache/hadoop/hive/metastore/RawStore.java  |    6 +-
 .../hive/metastore/cache/CachedStore.java       |    9 +-
 .../src/main/thrift/hive_metastore.thrift       |   23 +-
 .../DummyRawStoreControlledCommit.java          |    6 +-
 .../DummyRawStoreForJdoConnection.java          |    6 +-
 27 files changed, 5018 insertions(+), 1735 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hive/blob/900da829/itests/hcatalog-unit/src/test/java/org/apache/hive/hcatalog/listener/DummyRawStoreFailEvent.java
----------------------------------------------------------------------
diff --git 
a/itests/hcatalog-unit/src/test/java/org/apache/hive/hcatalog/listener/DummyRawStoreFailEvent.java
 
b/itests/hcatalog-unit/src/test/java/org/apache/hive/hcatalog/listener/DummyRawStoreFailEvent.java
index bc9ef62..140b566 100644
--- 
a/itests/hcatalog-unit/src/test/java/org/apache/hive/hcatalog/listener/DummyRawStoreFailEvent.java
+++ 
b/itests/hcatalog-unit/src/test/java/org/apache/hive/hcatalog/listener/DummyRawStoreFailEvent.java
@@ -58,6 +58,7 @@ import 
org.apache.hadoop.hive.metastore.api.PrincipalPrivilegeSet;
 import org.apache.hadoop.hive.metastore.api.PrincipalType;
 import org.apache.hadoop.hive.metastore.api.PrivilegeBag;
 import org.apache.hadoop.hive.metastore.api.WMResourcePlan;
+import org.apache.hadoop.hive.metastore.api.WMNullableResourcePlan;
 import org.apache.hadoop.hive.metastore.api.WMTrigger;
 import org.apache.hadoop.hive.metastore.api.Role;
 import org.apache.hadoop.hive.metastore.api.RolePrincipalGrant;
@@ -73,6 +74,7 @@ import 
org.apache.hadoop.hive.metastore.api.UnknownPartitionException;
 import org.apache.hadoop.hive.metastore.api.UnknownTableException;
 import org.apache.hadoop.hive.metastore.api.WMMapping;
 import org.apache.hadoop.hive.metastore.api.WMPool;
+import org.apache.hadoop.hive.metastore.api.WMNullablePool;
 import org.apache.hadoop.hive.metastore.partition.spec.PartitionSpecProxy;
 import 
org.apache.hadoop.hive.metastore.utils.MetaStoreUtils.ColStatsObjWithSourceInfo;
 import org.apache.thrift.TException;
@@ -997,7 +999,8 @@ public class DummyRawStoreFailEvent implements RawStore, 
Configurable {
   }
  
   @Override
-  public WMFullResourcePlan alterResourcePlan(String name, WMResourcePlan 
resourcePlan, boolean canActivateDisabled, boolean canDeactivate, boolean 
isReplace)
+  public WMFullResourcePlan alterResourcePlan(String name, 
WMNullableResourcePlan resourcePlan,
+      boolean canActivateDisabled, boolean canDeactivate, boolean isReplace)
       throws AlreadyExistsException, NoSuchObjectException, 
InvalidOperationException, MetaException {
     return objectStore.alterResourcePlan(name, resourcePlan, 
canActivateDisabled, canDeactivate, isReplace);
   }
@@ -1050,7 +1053,7 @@ public class DummyRawStoreFailEvent implements RawStore, 
Configurable {
   }
 
   @Override
-  public void alterPool(WMPool pool, String poolPath) throws 
AlreadyExistsException,
+  public void alterPool(WMNullablePool pool, String poolPath) throws 
AlreadyExistsException,
       NoSuchObjectException, InvalidOperationException, MetaException {
     objectStore.alterPool(pool, poolPath);
   }

http://git-wip-us.apache.org/repos/asf/hive/blob/900da829/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java 
b/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java
index 81e1dd9..aa66a39 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java
@@ -105,6 +105,7 @@ import org.apache.hadoop.hive.metastore.api.SkewedInfo;
 import org.apache.hadoop.hive.metastore.api.StorageDescriptor;
 import org.apache.hadoop.hive.metastore.api.TxnInfo;
 import org.apache.hadoop.hive.metastore.api.WMFullResourcePlan;
+import org.apache.hadoop.hive.metastore.api.WMNullableResourcePlan;
 import org.apache.hadoop.hive.metastore.api.WMResourcePlan;
 import org.apache.hadoop.hive.metastore.api.WMResourcePlanStatus;
 import org.apache.hadoop.hive.metastore.api.WMTrigger;
@@ -725,7 +726,7 @@ public class DDLTask extends Task<DDLWork> implements 
Serializable {
       return 0;
     }
 
-    WMResourcePlan resourcePlan = desc.getResourcePlan();
+    WMNullableResourcePlan resourcePlan = desc.getResourcePlan();
     final WorkloadManager wm = WorkloadManager.getInstance();
     final TezSessionPoolManager pm = TezSessionPoolManager.getInstance();
     boolean isActivate = false, isInTest = HiveConf.getBoolVar(conf, 
ConfVars.HIVE_IN_TEST);
@@ -818,9 +819,9 @@ public class DDLTask extends Task<DDLWork> implements 
Serializable {
 
   private int createOrAlterWMPool(Hive db, CreateOrAlterWMPoolDesc desc) 
throws HiveException {
     if (desc.isUpdate()) {
-      db.alterWMPool(desc.getPool(), desc.getPoolPath());
+      db.alterWMPool(desc.getAlterPool(), desc.getPoolPath());
     } else {
-      db.createWMPool(desc.getPool());
+      db.createWMPool(desc.getCreatePool());
     }
     return 0;
   }

http://git-wip-us.apache.org/repos/asf/hive/blob/900da829/ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java 
b/ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java
index aa9bf9a..16861bc 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java
@@ -132,6 +132,8 @@ import 
org.apache.hadoop.hive.metastore.api.StorageDescriptor;
 import org.apache.hadoop.hive.metastore.api.UniqueConstraintsRequest;
 import org.apache.hadoop.hive.metastore.api.WMFullResourcePlan;
 import org.apache.hadoop.hive.metastore.api.WMMapping;
+import org.apache.hadoop.hive.metastore.api.WMNullablePool;
+import org.apache.hadoop.hive.metastore.api.WMNullableResourcePlan;
 import org.apache.hadoop.hive.metastore.api.WMPool;
 import org.apache.hadoop.hive.metastore.api.WMResourcePlan;
 import org.apache.hadoop.hive.metastore.api.WMTrigger;
@@ -4857,12 +4859,11 @@ private void constructOneLBLocationMap(FileStatus fSta,
     }
   }
 
-  public WMFullResourcePlan alterResourcePlan(String rpName, WMResourcePlan 
resourcePlan,
-      boolean canActivateDisabled, boolean isForceDeactivate, boolean 
isReplace)
-          throws HiveException {
+  public WMFullResourcePlan alterResourcePlan(String rpName, 
WMNullableResourcePlan resourcePlan,
+      boolean canActivateDisabled, boolean isForceDeactivate, boolean 
isReplace) throws HiveException {
     try {
-      return getMSC().alterResourcePlan(
-          rpName, resourcePlan, canActivateDisabled, isForceDeactivate, 
isReplace);
+      return getMSC().alterResourcePlan(rpName, resourcePlan, 
canActivateDisabled,
+          isForceDeactivate, isReplace);
     } catch (Exception e) {
       throw new HiveException(e);
     }
@@ -4916,7 +4917,7 @@ private void constructOneLBLocationMap(FileStatus fSta,
     }
   }
 
-  public void alterWMPool(WMPool pool, String poolPath) throws HiveException {
+  public void alterWMPool(WMNullablePool pool, String poolPath) throws 
HiveException {
     try {
       getMSC().alterWMPool(pool, poolPath);
     } catch (Exception e) {

http://git-wip-us.apache.org/repos/asf/hive/blob/900da829/ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java
----------------------------------------------------------------------
diff --git 
a/ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java 
b/ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java
index db86320..a731579 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java
@@ -62,6 +62,8 @@ import org.apache.hadoop.hive.metastore.api.SQLPrimaryKey;
 import org.apache.hadoop.hive.metastore.api.SQLUniqueConstraint;
 import org.apache.hadoop.hive.metastore.api.SkewedInfo;
 import org.apache.hadoop.hive.metastore.api.WMMapping;
+import org.apache.hadoop.hive.metastore.api.WMNullablePool;
+import org.apache.hadoop.hive.metastore.api.WMNullableResourcePlan;
 import org.apache.hadoop.hive.metastore.api.WMPool;
 import org.apache.hadoop.hive.metastore.api.WMResourcePlan;
 import org.apache.hadoop.hive.metastore.api.WMResourcePlanStatus;
@@ -951,7 +953,7 @@ public class DDLSemanticAnalyzer extends 
BaseSemanticAnalyzer {
       // This command exists solely to output this message. TODO: can we do it 
w/o an error?
       throw new SemanticException("Activate a resource plan to enable workload 
management");
     case HiveParser.TOK_DISABLE:
-      WMResourcePlan anyRp = new WMResourcePlan();
+      WMNullableResourcePlan anyRp = new WMNullableResourcePlan();
       anyRp.setStatus(WMResourcePlanStatus.ENABLED);
       AlterResourcePlanDesc desc = new AlterResourcePlanDesc(
           anyRp, null, false, false, true, false);
@@ -963,7 +965,7 @@ public class DDLSemanticAnalyzer extends 
BaseSemanticAnalyzer {
       throw new SemanticException("Invalid syntax for ALTER RESOURCE PLAN 
statement");
     }
     String rpName = unescapeIdentifier(ast.getChild(0).getText());
-    WMResourcePlan resourcePlan = new WMResourcePlan();
+    WMNullableResourcePlan resourcePlan = new WMNullableResourcePlan();
     boolean isEnableActivate = false, isReplace = false;
     boolean validate = false;
     for (int i = 1; i < ast.getChildCount(); ++i) {
@@ -1008,18 +1010,32 @@ public class DDLSemanticAnalyzer extends 
BaseSemanticAnalyzer {
           resourcePlan.setStatus(WMResourcePlanStatus.ACTIVE);
         }
         break;
-      case HiveParser.TOK_QUERY_PARALLELISM:
+      case HiveParser.TOK_QUERY_PARALLELISM: {
         if (child.getChildCount() != 1) {
           throw new SemanticException("Expected one argument");
         }
-        
resourcePlan.setQueryParallelism(Integer.parseInt(child.getChild(0).getText()));
+        Tree val = child.getChild(0);
+        resourcePlan.setIsSetQueryParallelism(true);
+        if (val.getType() == HiveParser.TOK_NULL) {
+          resourcePlan.unsetQueryParallelism();
+        } else {
+          resourcePlan.setQueryParallelism(Integer.parseInt(val.getText()));
+        }
         break;
-      case HiveParser.TOK_DEFAULT_POOL:
+      }
+      case HiveParser.TOK_DEFAULT_POOL: {
         if (child.getChildCount() != 1) {
           throw new SemanticException("Expected one argument");
         }
-        resourcePlan.setDefaultPoolPath(poolPath(child.getChild(0)));
+        Tree val = child.getChild(0);
+        resourcePlan.setIsSetDefaultPoolPath(true);
+        if (val.getType() == HiveParser.TOK_NULL) {
+          resourcePlan.unsetDefaultPoolPath();
+        } else {
+          resourcePlan.setDefaultPoolPath(poolPath(child.getChild(0)));
+        }
         break;
+      }
       case HiveParser.TOK_RENAME:
         if (child.getChildCount() != 1) {
           throw new SemanticException("Expected one argument");
@@ -1179,7 +1195,7 @@ public class DDLSemanticAnalyzer extends 
BaseSemanticAnalyzer {
 
   private void analyzeAlterPool(ASTNode ast) throws SemanticException {
     if (ast.getChildCount() < 3) {
-      throw new SemanticException("Invalid syntax for alter pool.");
+      throw new SemanticException("Invalid syntax for alter pool: " + 
ast.toStringTree());
     }
     String rpName = unescapeIdentifier(ast.getChild(0).getText());
     Tree poolTarget = ast.getChild(1);
@@ -1192,9 +1208,11 @@ public class DDLSemanticAnalyzer extends 
BaseSemanticAnalyzer {
       poolPath = poolPath(ast.getChild(1));
     }
 
-    WMPool poolChanges = null;
+    WMNullablePool poolChanges = null;
     for (int i = 2; i < ast.getChildCount(); ++i) {
       Tree child = ast.getChild(i);
+                    LOG.error("TODO# got2 " + child.toStringTree());
+
       if (child.getChildCount() != 1) {
         throw new SemanticException("Invalid syntax in alter pool expected 
parameter.");
       }
@@ -1211,7 +1229,7 @@ public class DDLSemanticAnalyzer extends 
BaseSemanticAnalyzer {
           throw new SemanticException("Cannot alter the unmanaged pool");
         }
         if (poolChanges == null) {
-          poolChanges = new WMPool(rpName, null);
+          poolChanges = new WMNullablePool(rpName, null);
         }
         switch (child.getType()) {
         case HiveParser.TOK_ALLOC_FRACTION:
@@ -1221,7 +1239,10 @@ public class DDLSemanticAnalyzer extends 
BaseSemanticAnalyzer {
           poolChanges.setQueryParallelism(Integer.parseInt(param.getText()));
           break;
         case HiveParser.TOK_SCHEDULING_POLICY:
-          
poolChanges.setSchedulingPolicy(PlanUtils.stripQuotes(param.getText()));
+          poolChanges.setIsSetSchedulingPolicy(true);
+          if (param.getType() != HiveParser.TOK_NULL) {
+            
poolChanges.setSchedulingPolicy(PlanUtils.stripQuotes(param.getText()));
+          }
           break;
         case HiveParser.TOK_PATH:
           poolChanges.setPoolPath(poolPath(param));

http://git-wip-us.apache.org/repos/asf/hive/blob/900da829/ql/src/java/org/apache/hadoop/hive/ql/parse/ResourcePlanParser.g
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/parse/ResourcePlanParser.g 
b/ql/src/java/org/apache/hadoop/hive/ql/parse/ResourcePlanParser.g
index b47f7b3..e3ea1f2 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/parse/ResourcePlanParser.g
+++ b/ql/src/java/org/apache/hadoop/hive/ql/parse/ResourcePlanParser.g
@@ -56,6 +56,21 @@ rpAssignList
   : rpAssign (COMMA rpAssign)* -> rpAssign+
   ;
 
+rpUnassign
+@init { gParent.pushMsg("rpAssign", state); }
+@after { gParent.popMsg(state); }
+  : (
+      (KW_QUERY_PARALLELISM) -> ^(TOK_QUERY_PARALLELISM TOK_NULL)
+    | (KW_DEFAULT KW_POOL) -> ^(TOK_DEFAULT_POOL TOK_NULL)
+    )
+  ;
+
+rpUnassignList
+@init { gParent.pushMsg("rpAssignList", state); }
+@after { gParent.popMsg(state); }
+  : rpUnassign (COMMA rpUnassign)* -> rpUnassign+
+  ;
+
 createResourcePlanStatement
 @init { gParent.pushMsg("create resource plan statement", state); }
 @after { gParent.popMsg(state); }
@@ -80,6 +95,7 @@ alterResourcePlanStatement
           (KW_VALIDATE -> ^(TOK_ALTER_RP $name TOK_VALIDATE))
         | (KW_DISABLE -> ^(TOK_ALTER_RP $name TOK_DISABLE))
         | (KW_SET rpAssignList -> ^(TOK_ALTER_RP $name rpAssignList))
+        | (KW_UNSET rpUnassignList -> ^(TOK_ALTER_RP $name rpUnassignList))
         | (KW_RENAME KW_TO newName=identifier -> ^(TOK_ALTER_RP $name 
^(TOK_RENAME $newName)))
         | ((activate enable? | enable activate?) -> ^(TOK_ALTER_RP $name 
activate? enable?))
       )
@@ -219,6 +235,7 @@ alterPoolStatement
 @after { gParent.popMsg(state); }
     : KW_ALTER KW_POOL rpName=identifier DOT poolPath (
         (KW_SET poolAssignList -> ^(TOK_ALTER_POOL $rpName poolPath 
poolAssignList))
+        | (KW_UNSET KW_SCHEDULING_POLICY -> ^(TOK_ALTER_POOL $rpName poolPath 
^(TOK_SCHEDULING_POLICY TOK_NULL)))
         | (KW_ADD KW_TRIGGER triggerName=identifier
             -> ^(TOK_ALTER_POOL $rpName poolPath ^(TOK_ADD_TRIGGER 
$triggerName)))
         | (KW_DROP KW_TRIGGER triggerName=identifier

http://git-wip-us.apache.org/repos/asf/hive/blob/900da829/ql/src/java/org/apache/hadoop/hive/ql/plan/AlterResourcePlanDesc.java
----------------------------------------------------------------------
diff --git 
a/ql/src/java/org/apache/hadoop/hive/ql/plan/AlterResourcePlanDesc.java 
b/ql/src/java/org/apache/hadoop/hive/ql/plan/AlterResourcePlanDesc.java
index 7339520..dd2eace 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/plan/AlterResourcePlanDesc.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/plan/AlterResourcePlanDesc.java
@@ -20,6 +20,7 @@ package org.apache.hadoop.hive.ql.plan;
 
 import java.io.Serializable;
 
+import org.apache.hadoop.hive.metastore.api.WMNullableResourcePlan;
 import org.apache.hadoop.hive.metastore.api.WMResourcePlan;
 import org.apache.hadoop.hive.ql.plan.Explain.Level;
 
@@ -28,7 +29,7 @@ import org.apache.hadoop.hive.ql.plan.Explain.Level;
 public class AlterResourcePlanDesc extends DDLDesc implements Serializable {
   private static final long serialVersionUID = -3514685833183437279L;
 
-  private WMResourcePlan resourcePlan;
+  private WMNullableResourcePlan resourcePlan;
   private String rpName;
   private boolean validate;
   private boolean isEnableActivate, isForceDeactivate, isReplace;
@@ -36,7 +37,7 @@ public class AlterResourcePlanDesc extends DDLDesc implements 
Serializable {
 
   public AlterResourcePlanDesc() {}
 
-  public AlterResourcePlanDesc(WMResourcePlan resourcePlan, String rpName, 
boolean validate,
+  public AlterResourcePlanDesc(WMNullableResourcePlan resourcePlan, String 
rpName, boolean validate,
       boolean isEnableActivate, boolean isForceDeactivate, boolean isReplace) {
     this.resourcePlan = resourcePlan;
     this.rpName = rpName;
@@ -48,11 +49,11 @@ public class AlterResourcePlanDesc extends DDLDesc 
implements Serializable {
 
   @Explain(displayName="Resource plan changed fields",
       explainLevels = { Level.USER, Level.DEFAULT, Level.EXTENDED })
-  public WMResourcePlan getResourcePlan() {
+  public WMNullableResourcePlan getResourcePlan() {
     return resourcePlan;
   }
 
-  public void setResourcePlan(WMResourcePlan resourcePlan) {
+  public void setResourcePlan(WMNullableResourcePlan resourcePlan) {
     this.resourcePlan = resourcePlan;
   }
 

http://git-wip-us.apache.org/repos/asf/hive/blob/900da829/ql/src/java/org/apache/hadoop/hive/ql/plan/CreateOrAlterWMPoolDesc.java
----------------------------------------------------------------------
diff --git 
a/ql/src/java/org/apache/hadoop/hive/ql/plan/CreateOrAlterWMPoolDesc.java 
b/ql/src/java/org/apache/hadoop/hive/ql/plan/CreateOrAlterWMPoolDesc.java
index 73806c5..6835faa 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/plan/CreateOrAlterWMPoolDesc.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/plan/CreateOrAlterWMPoolDesc.java
@@ -19,6 +19,7 @@ package org.apache.hadoop.hive.ql.plan;
 
 import java.io.Serializable;
 
+import org.apache.hadoop.hive.metastore.api.WMNullablePool;
 import org.apache.hadoop.hive.metastore.api.WMPool;
 import org.apache.hadoop.hive.ql.plan.Explain.Level;
 
@@ -26,25 +27,44 @@ import org.apache.hadoop.hive.ql.plan.Explain.Level;
 public class CreateOrAlterWMPoolDesc extends DDLDesc implements Serializable {
   private static final long serialVersionUID = 4872940135771213510L;
 
-  private WMPool pool;
+  private WMPool createPool;
+  private WMNullablePool alterPool;
   private String poolPath;
   private boolean update;
 
   public CreateOrAlterWMPoolDesc() {}
 
   public CreateOrAlterWMPoolDesc(WMPool pool, String poolPath, boolean update) 
{
-    this.pool = pool;
+    this.createPool = pool;
+    this.poolPath = poolPath;
+    this.update = update;
+  }
+
+  public CreateOrAlterWMPoolDesc(WMNullablePool pool, String poolPath, boolean 
update) {
+    this.alterPool = pool;
     this.poolPath = poolPath;
     this.update = update;
   }
 
   @Explain(displayName="pool", explainLevels = { Level.USER, Level.DEFAULT, 
Level.EXTENDED })
-  public WMPool getPool() {
-    return pool;
+  public Object getPool() {
+    return createPool == null ? alterPool : createPool;
+  }
+
+  public WMPool getCreatePool() {
+    return createPool;
+  }
+
+  public WMNullablePool getAlterPool() {
+    return alterPool;
+  }
+
+  public void setCreatePool(WMPool pool) {
+    this.createPool = pool;
   }
 
-  public void setPool(WMPool pool) {
-    this.pool = pool;
+  public void setAlterPool(WMNullablePool pool) {
+    this.alterPool = pool;
   }
 
   @Explain(displayName="poolPath", explainLevels = { Level.USER, 
Level.DEFAULT, Level.EXTENDED })

http://git-wip-us.apache.org/repos/asf/hive/blob/900da829/ql/src/test/queries/clientpositive/resourceplan.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/resourceplan.q 
b/ql/src/test/queries/clientpositive/resourceplan.q
index c616c22..d2aec73 100644
--- a/ql/src/test/queries/clientpositive/resourceplan.q
+++ b/ql/src/test/queries/clientpositive/resourceplan.q
@@ -51,6 +51,11 @@ SELECT * FROM SYS.WM_RESOURCEPLANS;
 ALTER RESOURCE PLAN plan_3 SET QUERY_PARALLELISM = 4;
 SELECT * FROM SYS.WM_RESOURCEPLANS;
 
+-- Change query parallelism, success.
+ALTER RESOURCE PLAN plan_3 UNSET QUERY_PARALLELISM;
+SELECT * FROM SYS.WM_RESOURCEPLANS;
+
+
 -- Will fail for now; there are no pools.
 ALTER RESOURCE PLAN plan_3 SET QUERY_PARALLELISM = 30, DEFAULT POOL = default1;
 SELECT * FROM SYS.WM_RESOURCEPLANS;
@@ -214,6 +219,10 @@ ALTER RESOURCE PLAN plan_2 VALIDATE;
 ALTER RESOURCE PLAN plan_2 ENABLE ACTIVATE;
 
 ALTER POOL plan_2.default.c2 SET ALLOC_FRACTION = 0.7, QUERY_PARALLELISM = 1;
+ALTER POOL plan_2.default.c2 SET SCHEDULING_POLICY='fair';
+SELECT * FROM SYS.WM_POOLS;
+ALTER POOL plan_2.default.c2 UNSET SCHEDULING_POLICY;
+SELECT * FROM SYS.WM_POOLS;
 
 -- Now we can activate.
 ALTER RESOURCE PLAN plan_2 VALIDATE;
@@ -262,6 +271,10 @@ ALTER RESOURCE PLAN `table` SET DEFAULT POOL = 
`table`.pool;
 DROP POOL `table`.default;
 SELECT * FROM SYS.WM_POOLS;
 
+-- Change query parallelism, success.
+ALTER RESOURCE PLAN `table` UNSET DEFAULT POOL;
+SELECT * FROM SYS.WM_RESOURCEPLANS;
+
 --
 -- Pool to trigger mappings.
 --

http://git-wip-us.apache.org/repos/asf/hive/blob/900da829/ql/src/test/results/clientpositive/llap/resourceplan.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/resourceplan.q.out 
b/ql/src/test/results/clientpositive/llap/resourceplan.q.out
index 22883bc..68508e9 100644
--- a/ql/src/test/results/clientpositive/llap/resourceplan.q.out
+++ b/ql/src/test/results/clientpositive/llap/resourceplan.q.out
@@ -3279,6 +3279,20 @@ POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 DISABLED        4       default
 plan_3 DISABLED        4       default
+PREHOOK: query: ALTER RESOURCE PLAN plan_3 UNSET QUERY_PARALLELISM
+PREHOOK: type: ALTER RESOURCEPLAN
+POSTHOOK: query: ALTER RESOURCE PLAN plan_3 UNSET QUERY_PARALLELISM
+POSTHOOK: type: ALTER RESOURCEPLAN
+PREHOOK: query: SELECT * FROM SYS.WM_RESOURCEPLANS
+PREHOOK: type: QUERY
+PREHOOK: Input: sys@wm_resourceplans
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT * FROM SYS.WM_RESOURCEPLANS
+POSTHOOK: type: QUERY
+POSTHOOK: Input: sys@wm_resourceplans
+#### A masked pattern was here ####
+plan_2 DISABLED        4       default
+plan_3 DISABLED        NULL    default
 PREHOOK: query: ALTER RESOURCE PLAN plan_3 SET QUERY_PARALLELISM = 30, DEFAULT 
POOL = default1
 PREHOOK: type: ALTER RESOURCEPLAN
 FAILED: Execution Error, return code 1 from 
org.apache.hadoop.hive.ql.exec.DDLTask. NoSuchObjectException(message:Cannot 
find pool: default1)
@@ -3291,7 +3305,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 DISABLED        4       default
-plan_3 DISABLED        4       default
+plan_3 DISABLED        NULL    default
 PREHOOK: query: ALTER RESOURCE PLAN plan_3 ENABLE
 PREHOOK: type: ALTER RESOURCEPLAN
 POSTHOOK: query: ALTER RESOURCE PLAN plan_3 ENABLE
@@ -3315,7 +3329,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 DISABLED        4       default
-plan_3 DISABLED        4       default
+plan_3 DISABLED        NULL    default
 PREHOOK: query: ALTER RESOURCE PLAN plan_3 ACTIVATE
 PREHOOK: type: ALTER RESOURCEPLAN
 FAILED: Execution Error, return code 1 from 
org.apache.hadoop.hive.ql.exec.DDLTask. 
InvalidOperationException(message:Resource plan plan_3 is disabled and should 
be enabled before activation (or in the same command))
@@ -3328,7 +3342,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 DISABLED        4       default
-plan_3 DISABLED        4       default
+plan_3 DISABLED        NULL    default
 PREHOOK: query: ALTER RESOURCE PLAN plan_3 DISABLE
 PREHOOK: type: ALTER RESOURCEPLAN
 POSTHOOK: query: ALTER RESOURCE PLAN plan_3 DISABLE
@@ -3342,7 +3356,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 DISABLED        4       default
-plan_3 DISABLED        4       default
+plan_3 DISABLED        NULL    default
 PREHOOK: query: ALTER RESOURCE PLAN plan_3 ENABLE
 PREHOOK: type: ALTER RESOURCEPLAN
 POSTHOOK: query: ALTER RESOURCE PLAN plan_3 ENABLE
@@ -3356,7 +3370,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 DISABLED        4       default
-plan_3 ENABLED 4       default
+plan_3 ENABLED NULL    default
 PREHOOK: query: ALTER RESOURCE PLAN plan_3 ACTIVATE
 PREHOOK: type: ALTER RESOURCEPLAN
 POSTHOOK: query: ALTER RESOURCE PLAN plan_3 ACTIVATE
@@ -3370,7 +3384,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 DISABLED        4       default
-plan_3 ACTIVE  4       default
+plan_3 ACTIVE  NULL    default
 PREHOOK: query: ALTER RESOURCE PLAN plan_3 ACTIVATE
 PREHOOK: type: ALTER RESOURCEPLAN
 POSTHOOK: query: ALTER RESOURCE PLAN plan_3 ACTIVATE
@@ -3384,7 +3398,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 DISABLED        4       default
-plan_3 ACTIVE  4       default
+plan_3 ACTIVE  NULL    default
 PREHOOK: query: ALTER RESOURCE PLAN plan_3 ENABLE
 PREHOOK: type: ALTER RESOURCEPLAN
 FAILED: Execution Error, return code 1 from 
org.apache.hadoop.hive.ql.exec.DDLTask. 
InvalidOperationException(message:Resource plan plan_3 is active; activate 
another plan first, or disable workload management.)
@@ -3397,7 +3411,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 DISABLED        4       default
-plan_3 ACTIVE  4       default
+plan_3 ACTIVE  NULL    default
 PREHOOK: query: ALTER RESOURCE PLAN plan_3 DISABLE
 PREHOOK: type: ALTER RESOURCEPLAN
 FAILED: Execution Error, return code 1 from 
org.apache.hadoop.hive.ql.exec.DDLTask. 
InvalidOperationException(message:Resource plan plan_3 is active; activate 
another plan first, or disable workload management.)
@@ -3410,7 +3424,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 DISABLED        4       default
-plan_3 ACTIVE  4       default
+plan_3 ACTIVE  NULL    default
 PREHOOK: query: DISABLE WORKLOAD MANAGEMENT
 PREHOOK: type: ALTER RESOURCEPLAN
 POSTHOOK: query: DISABLE WORKLOAD MANAGEMENT
@@ -3424,7 +3438,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 DISABLED        4       default
-plan_3 ENABLED 4       default
+plan_3 ENABLED NULL    default
 PREHOOK: query: ALTER RESOURCE PLAN plan_3 DISABLE
 PREHOOK: type: ALTER RESOURCEPLAN
 POSTHOOK: query: ALTER RESOURCE PLAN plan_3 DISABLE
@@ -3442,7 +3456,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 DISABLED        4       default
-plan_3 ACTIVE  4       default
+plan_3 ACTIVE  NULL    default
 PREHOOK: query: ALTER RESOURCE PLAN plan_2 ENABLE
 PREHOOK: type: ALTER RESOURCEPLAN
 POSTHOOK: query: ALTER RESOURCE PLAN plan_2 ENABLE
@@ -3456,7 +3470,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 ENABLED 4       default
-plan_3 ACTIVE  4       default
+plan_3 ACTIVE  NULL    default
 PREHOOK: query: ALTER RESOURCE PLAN plan_2 ACTIVATE
 PREHOOK: type: ALTER RESOURCEPLAN
 POSTHOOK: query: ALTER RESOURCE PLAN plan_2 ACTIVATE
@@ -3470,7 +3484,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 ACTIVE  4       default
-plan_3 ENABLED 4       default
+plan_3 ENABLED NULL    default
 PREHOOK: query: ALTER RESOURCE PLAN plan_3 ENABLE
 PREHOOK: type: ALTER RESOURCEPLAN
 POSTHOOK: query: ALTER RESOURCE PLAN plan_3 ENABLE
@@ -3484,7 +3498,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 ACTIVE  4       default
-plan_3 ENABLED 4       default
+plan_3 ENABLED NULL    default
 PREHOOK: query: ALTER RESOURCE PLAN plan_3 DISABLE
 PREHOOK: type: ALTER RESOURCEPLAN
 POSTHOOK: query: ALTER RESOURCE PLAN plan_3 DISABLE
@@ -3498,7 +3512,7 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: sys@wm_resourceplans
 #### A masked pattern was here ####
 plan_2 ACTIVE  4       default
-plan_3 DISABLED        4       default
+plan_3 DISABLED        NULL    default
 PREHOOK: query: DROP RESOURCE PLAN plan_2
 PREHOOK: type: DROP RESOURCEPLAN
 FAILED: Execution Error, return code 1 from 
org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:Cannot drop an 
active resource plan)
@@ -3757,6 +3771,40 @@ PREHOOK: query: ALTER POOL plan_2.default.c2 SET 
ALLOC_FRACTION = 0.7, QUERY_PAR
 PREHOOK: type: ALTER POOL
 POSTHOOK: query: ALTER POOL plan_2.default.c2 SET ALLOC_FRACTION = 0.7, 
QUERY_PARALLELISM = 1
 POSTHOOK: type: ALTER POOL
+PREHOOK: query: ALTER POOL plan_2.default.c2 SET SCHEDULING_POLICY='fair'
+PREHOOK: type: ALTER POOL
+POSTHOOK: query: ALTER POOL plan_2.default.c2 SET SCHEDULING_POLICY='fair'
+POSTHOOK: type: ALTER POOL
+PREHOOK: query: SELECT * FROM SYS.WM_POOLS
+PREHOOK: type: QUERY
+PREHOOK: Input: sys@wm_pools
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT * FROM SYS.WM_POOLS
+POSTHOOK: type: QUERY
+POSTHOOK: Input: sys@wm_pools
+#### A masked pattern was here ####
+plan_1 default 1.0     4       NULL
+plan_2 default 1.0     4       NULL
+plan_2 default.c1      0.3     3       fair
+plan_2 default.c2      0.7     1       fair
+table  default 1.0     4       NULL
+PREHOOK: query: ALTER POOL plan_2.default.c2 UNSET SCHEDULING_POLICY
+PREHOOK: type: ALTER POOL
+POSTHOOK: query: ALTER POOL plan_2.default.c2 UNSET SCHEDULING_POLICY
+POSTHOOK: type: ALTER POOL
+PREHOOK: query: SELECT * FROM SYS.WM_POOLS
+PREHOOK: type: QUERY
+PREHOOK: Input: sys@wm_pools
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT * FROM SYS.WM_POOLS
+POSTHOOK: type: QUERY
+POSTHOOK: Input: sys@wm_pools
+#### A masked pattern was here ####
+plan_1 default 1.0     4       NULL
+plan_2 default 1.0     4       NULL
+plan_2 default.c1      0.3     3       fair
+plan_2 default.c2      0.7     1       NULL
+table  default 1.0     4       NULL
 PREHOOK: query: ALTER RESOURCE PLAN plan_2 VALIDATE
 PREHOOK: type: ALTER RESOURCEPLAN
 POSTHOOK: query: ALTER RESOURCE PLAN plan_2 VALIDATE
@@ -3788,7 +3836,7 @@ POSTHOOK: Input: sys@wm_pools
 plan_1 default 1.0     4       NULL
 plan_2 def     1.0     4       NULL
 plan_2 def.c1  0.3     3       fair
-plan_2 def.c2  0.7     1       fair
+plan_2 def.c2  0.7     1       NULL
 table  default 1.0     4       NULL
 PREHOOK: query: DROP POOL plan_2.default
 PREHOOK: type: DROP POOL
@@ -3804,7 +3852,7 @@ POSTHOOK: Input: sys@wm_pools
 plan_1 default 1.0     4       NULL
 plan_2 def     1.0     4       NULL
 plan_2 def.c1  0.3     3       fair
-plan_2 def.c2  0.7     1       fair
+plan_2 def.c2  0.7     1       NULL
 table  default 1.0     4       NULL
 PREHOOK: query: CREATE POOL plan_2.child1.child2 WITH
     QUERY_PARALLELISM=2, SCHEDULING_POLICY='fifo', ALLOC_FRACTION=0.8
@@ -3849,7 +3897,7 @@ POSTHOOK: Input: sys@wm_pools
 plan_1 default 1.0     4       NULL
 plan_2 def     1.0     4       NULL
 plan_2 def.c1  0.3     3       fair
-plan_2 def.c2  0.7     1       fair
+plan_2 def.c2  0.7     1       NULL
 table  default 1.0     4       NULL
 table  table   0.0     1       fifo
 table  table.pool1     0.9     3       fair
@@ -3870,7 +3918,7 @@ POSTHOOK: Input: sys@wm_pools
 plan_1 default 1.0     4       NULL
 plan_2 def     1.0     4       NULL
 plan_2 def.c1  0.3     3       fair
-plan_2 def.c2  0.7     1       fair
+plan_2 def.c2  0.7     1       NULL
 table  default 1.0     4       NULL
 table  table   0.0     1       fifo
 table  table.pool      0.9     3       fair
@@ -3890,7 +3938,7 @@ POSTHOOK: Input: sys@wm_pools
 plan_1 default 1.0     4       NULL
 plan_2 def     1.0     4       NULL
 plan_2 def.c1  0.3     3       fair
-plan_2 def.c2  0.7     1       fair
+plan_2 def.c2  0.7     1       NULL
 table  default 1.0     4       NULL
 table  table   0.0     1       fifo
 table  table.pool      0.9     3       fair
@@ -3910,7 +3958,7 @@ POSTHOOK: Input: sys@wm_pools
 plan_1 default 1.0     4       NULL
 plan_2 def     1.0     4       NULL
 plan_2 def.c1  0.3     3       fair
-plan_2 def.c2  0.7     1       fair
+plan_2 def.c2  0.7     1       NULL
 table  default 1.0     4       NULL
 table  table   0.0     1       fifo
 table  table.pool      0.9     3       fair
@@ -3946,11 +3994,26 @@ POSTHOOK: Input: sys@wm_pools
 plan_1 default 1.0     4       NULL
 plan_2 def     1.0     4       NULL
 plan_2 def.c1  0.3     3       fair
-plan_2 def.c2  0.7     1       fair
+plan_2 def.c2  0.7     1       NULL
 table  table   0.0     1       fifo
 table  table.pool      0.9     3       fair
 table  table.pool.child1       0.3     1       fair
 table  table.pool.child2       0.7     3       fair
+PREHOOK: query: ALTER RESOURCE PLAN `table` UNSET DEFAULT POOL
+PREHOOK: type: ALTER RESOURCEPLAN
+POSTHOOK: query: ALTER RESOURCE PLAN `table` UNSET DEFAULT POOL
+POSTHOOK: type: ALTER RESOURCEPLAN
+PREHOOK: query: SELECT * FROM SYS.WM_RESOURCEPLANS
+PREHOOK: type: QUERY
+PREHOOK: Input: sys@wm_resourceplans
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT * FROM SYS.WM_RESOURCEPLANS
+POSTHOOK: type: QUERY
+POSTHOOK: Input: sys@wm_resourceplans
+#### A masked pattern was here ####
+plan_1 ACTIVE  NULL    default
+plan_2 DISABLED        4       def
+table  DISABLED        1       NULL
 PREHOOK: query: ALTER POOL plan_2.def.c1 ADD TRIGGER trigger_1
 PREHOOK: type: ALTER POOL
 POSTHOOK: query: ALTER POOL plan_2.def.c1 ADD TRIGGER trigger_1
@@ -4003,11 +4066,10 @@ PREHOOK: query: SHOW RESOURCE PLAN `table`
 PREHOOK: type: SHOW RESOURCEPLAN
 POSTHOOK: query: SHOW RESOURCE PLAN `table`
 POSTHOOK: type: SHOW RESOURCEPLAN
-table[status=DISABLED,parallelism=1,defaultPool=table.pool]
+table[status=DISABLED,parallelism=1,defaultPool=null]
  +  table[allocFraction=0.0,schedulingPolicy=fifo,parallelism=1]
      |  trigger table: if (BYTES_WRITTEN > 100K) { MOVE TO table }
      +  pool[allocFraction=0.9,schedulingPolicy=fair,parallelism=3]
-         |  mapped for default
          +  child2[allocFraction=0.7,schedulingPolicy=fair,parallelism=3]
              |  trigger trigger2: if (BYTES_READ > 100) { KILL }
              |  trigger trigger1: if (ELAPSED_TIME > 10) { KILL }
@@ -4121,7 +4183,7 @@ plan_2[status=DISABLED,parallelism=4,defaultPool=def]
  +  def[allocFraction=1.0,schedulingPolicy=null,parallelism=4]
      |  mapped for users: user2
      |  mapped for default
-     +  c2[allocFraction=0.7,schedulingPolicy=fair,parallelism=1]
+     +  c2[allocFraction=0.7,schedulingPolicy=null,parallelism=1]
          |  trigger trigger_1: if (BYTES_READ = 0) { MOVE TO null_pool }
          |  mapped for groups: group2
      +  c1[allocFraction=0.3,schedulingPolicy=fair,parallelism=3]
@@ -4188,7 +4250,7 @@ POSTHOOK: type: SHOW RESOURCEPLAN
 plan_2[status=DISABLED,parallelism=4,defaultPool=def]
  +  def[allocFraction=1.0,schedulingPolicy=null,parallelism=4]
      |  mapped for default
-     +  c2[allocFraction=0.7,schedulingPolicy=fair,parallelism=1]
+     +  c2[allocFraction=0.7,schedulingPolicy=null,parallelism=1]
          |  trigger trigger_1: if (BYTES_READ = 0) { MOVE TO null_pool }
      +  c1[allocFraction=0.3,schedulingPolicy=fair,parallelism=3]
          |  mapped for groups: group1
@@ -4213,7 +4275,7 @@ POSTHOOK: Input: sys@wm_resourceplans
 plan_1 ENABLED NULL    default
 plan_2 DISABLED        NULL    default
 plan_4 ACTIVE  NULL    default
-table  DISABLED        1       table.pool
+table  DISABLED        1       NULL
 PREHOOK: query: SELECT * FROM SYS.WM_POOLS
 PREHOOK: type: QUERY
 PREHOOK: Input: sys@wm_pools
@@ -4302,7 +4364,7 @@ plan_2    DISABLED        NULL    default
 plan_4 ACTIVE  NULL    default
 plan_4a        DISABLED        NULL    default
 plan_4b        DISABLED        NULL    default
-table  DISABLED        1       table.pool
+table  DISABLED        1       NULL
 PREHOOK: query: SELECT * FROM SYS.WM_POOLS
 PREHOOK: type: QUERY
 PREHOOK: Input: sys@wm_pools
@@ -4376,7 +4438,7 @@ plan_2    DISABLED        NULL    default
 plan_4 ACTIVE  NULL    default
 plan_4a        DISABLED        NULL    default
 plan_4a-old-0  DISABLED        NULL    default
-table  DISABLED        1       table.pool
+table  DISABLED        1       NULL
 PREHOOK: query: SELECT * FROM SYS.WM_POOLS
 PREHOOK: type: QUERY
 PREHOOK: Input: sys@wm_pools
@@ -4412,7 +4474,7 @@ plan_2    DISABLED        NULL    default
 plan_4 ACTIVE  NULL    default
 plan_4-old-0   DISABLED        NULL    default
 plan_4a-old-0  DISABLED        NULL    default
-table  DISABLED        1       table.pool
+table  DISABLED        1       NULL
 PREHOOK: query: CREATE RESOURCE PLAN plan_4a LIKE plan_4
 PREHOOK: type: CREATE RESOURCEPLAN
 POSTHOOK: query: CREATE RESOURCE PLAN plan_4a LIKE plan_4
@@ -4439,7 +4501,7 @@ plan_4    ACTIVE  NULL    default
 plan_4-old-0   DISABLED        NULL    default
 plan_4-old-1   DISABLED        NULL    default
 plan_4a-old-0  DISABLED        NULL    default
-table  DISABLED        1       table.pool
+table  DISABLED        1       NULL
 PREHOOK: query: SELECT * FROM SYS.WM_POOLS
 PREHOOK: type: QUERY
 PREHOOK: Input: sys@wm_pools

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