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MySQL NDB Cluster API Developer Guide
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4.3.2.5 Index

Annotation for a database index.

4.3.2.5.1 Synopsis
 @Target(value={java.lang.annotation.ElementType.TYPE, java.lang.annotation.ElementType.FIELD, java.lang.annotation.ElementType.METHOD}) @Retention(value=java.lang.annotation.RetentionPolicy.RUNTIME) public @interface Index {
  public String name ;
  public String unique ;
  public Column[] columns ;
}
4.3.2.5.2 columns

Columns that compose this index.

Table 4.85 columns

Parameter Description
return columns that compose this index

4.3.2.5.3 name

Name of the index

Table 4.86 name

Parameter Description
return the name of the index

4.3.2.5.4 unique

Whether this index is unique

Table 4.87 unique

Parameter Description
return whether this index is unique