```
public class ViewDef
extends java.lang.Object
```
A ViewDef object is a definition of a view stored in the database. It is an object that can be easily serialized and deserialized to/from the system view table. It contains the DataTableDef that describes the characteristics of the view result, and a QueryPlanNode that describes how the view can be constructed.

Fields
Modifier and Type	Field	Description
`private DataTableDef`	`view_def`	The DataTableDef object that describes the view column def.
`private QueryPlanNode`	`view_query_node`	The QueryPlanNode that is used to evaluate the view.

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`(package private) static ViewDef`	`deserializeFromBlob(BlobAccessor blob)`	Creates an instance of ViewDef from the serialized information stored in the blob.
`DataTableDef`	`getDataTableDef()`	Returns the DataTableDef for this view.
`QueryPlanNode`	`getQueryPlanNode()`	Returns the QueryPlanNode for this view.
`(package private) ByteLongObject`	`serializeToBlob()`	Forms this ViewDef object into a serialized ByteLongObject object that can be stored in a table.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Class ViewDef