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Discriminator.columns - JDO annotation element

Annotation Element
javax.jdo.annotations.Discriminator
Column[] columns

The column(s) making up the discriminator.
Returns:
the column(s) making up the discriminator
Default value:
{}
Since:
JDO 2.1

This documentation page is derived (with some adjustments) from the JDO 2.2 API
and is available under the terms of the Apache License, v. 2.0.