Package org.eclipse.persistence.annotations

Annotation Type Index

  • @Target({METHOD,FIELD,TYPE})
@Retention(RUNTIME)
@Repeatable(Indexes.class)
public @interface Index
    Allow a database INDEX to be define when generating DDL. The @Index can be defined on a Entity class, or on an attribute. The column is defaulted when defined on a attribute.
    Author:
    James Sutherland
    Since:
    EclipseLink 2.2

    • Optional Element Summary

      Optional Elements 
      Modifier and Type Optional Element Description
      String catalog
      The catalog of the INDEX
      String[] columnNames
      Specify the set of columns to define the index on.
      String name
      The name of the INDEX, defaults to INDEX_<table-name>
      String schema
      The schema of the INDEX
      String table
      The table to define the index on, defaults to entities primary table.
      boolean unique  

    • Element Detail

      • name

        String name
        The name of the INDEX, defaults to INDEX_<table-name>
        Default:
        ""

      • schema

        String schema
        The schema of the INDEX
        Default:
        ""

      • catalog

        String catalog
        The catalog of the INDEX
        Default:
        ""

      • table

        String table
        The table to define the index on, defaults to entities primary table.
        Default:
        ""

      • unique

        boolean unique
        Default:
        false

      • columnNames

        String[] columnNames
        Specify the set of columns to define the index on. Not required when annotated on a field/method.
        Default:
        {}