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Revision as of 14:43, 18 June 2012
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Beta Draft: 2012-06-18
@Array
Use @Array to define object-relational data types supported by specific databases, such as Oracle VARRAY types or PostgreSQL JDBC Struct types.
Annotation Elements
Table 2-2 describes this annotation's elements.
Table 2-2 @Array Annotation Elements
| Annotation Element | Description | Default |
|---|---|---|
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(Required) The name of the database array structure type. |
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(Optional only if the collection field or property is defined using Java generics; otherwise Required) The class (basic or embeddable) that is the element type of the collection. |
Parameterized type of the collection. |
Usage
Use @Array on a collection attribute that is persisted to an Array type. The collection can be of basic types or embeddable class mapped using a Struct.
Examples
Example 2-5 shows how to use this annotation with an Oracle VARRAY type.
Example 2-5 Using @Array with Oracle VARRAY
Example 2-6 shows how to use this annotation with an Postgress Struct type.
Example 2-6 Using @Array with Postgress Struct
See Also
For more information, see the following:
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