# Hierarchy For Package play.db.helper

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - play.db.helper.JdbcHelper
  - play.db.helper.JdbcIterator<T> (implements java.io.Closeable, java.lang.Iterable<T>, java.util.Iterator<E>)
    - play.db.helper.JdbcWindowIterator<T>
  - play.db.helper.JdbcResultFactories
  - play.db.helper.JdbcResultFactories.ClassFactory<T> (implements play.db.helper.JdbcResultFactory<T>)
  - play.db.helper.JdbcResultFactories.PrimitiveFactory<T> (implements play.db.helper.JdbcResultFactory<T>)
  - play.db.helper.JpaHelper
  - play.db.helper.SqlQuery
    - play.db.helper.SqlSelect
      - play.db.helper.JpqlSelect
    - play.db.helper.SqlUnion
  - play.db.helper.SqlQuery.Concat
  - play.db.helper.SqlSelect.Where

## Interface Hierarchy

- play.db.helper.JdbcResultFactory<T>