Module org.eclipse.persistence.core
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.
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 Details

    • 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:
      {}