# Hierarchy For Package org.postgresql.core

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.postgresql.core.CachedQuery (implements org.postgresql.util.CanEstimateSize)
  - org.postgresql.core.CommandCompleteParser
  - org.postgresql.core.ConnectionFactory
  - org.postgresql.core.Encoding
  - org.postgresql.core.EncodingPredictor
  - org.postgresql.core.EncodingPredictor.DecodeResult
  - org.postgresql.core.Field
  - java.io.InputStream (implements java.io.Closeable)
    - org.postgresql.core.VisibleBufferedInputStream
  - org.postgresql.core.JdbcCallParseInfo
  - org.postgresql.core.NativeQuery
  - org.postgresql.core.Notification (implements org.postgresql.PGNotification)
  - org.postgresql.core.Oid
  - java.io.OutputStream (implements java.io.Closeable, java.io.Flushable)
    - org.postgresql.core.FixedLengthOutputStream
  - org.postgresql.core.Parser
  - org.postgresql.core.PGStream (implements java.io.Closeable, java.io.Flushable)
  - org.postgresql.core.QueryExecutorBase (implements org.postgresql.core.QueryExecutor)
  - org.postgresql.core.ResultHandlerBase (implements org.postgresql.core.ResultHandler)
  - org.postgresql.core.ResultHandlerDelegate (implements org.postgresql.core.ResultHandler)
  - org.postgresql.core.SetupQueryRunner
  - org.postgresql.core.SocketFactoryFactory
  - org.postgresql.core.SqlCommand
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.io.IOException
        - org.postgresql.core.PGBindException
  - org.postgresql.core.Tuple
  - org.postgresql.core.Utils

## Interface Hierarchy

- java.lang.AutoCloseable
  - java.sql.Connection (also extends java.sql.Wrapper)
    - org.postgresql.core.BaseConnection (also extends org.postgresql.PGConnection)
  - java.sql.Statement (also extends java.sql.Wrapper)
    - org.postgresql.core.BaseStatement (also extends org.postgresql.PGStatement)
- org.postgresql.core.ParameterList
- org.postgresql.PGConnection
  - org.postgresql.core.BaseConnection (also extends java.sql.Connection)
- org.postgresql.PGStatement
  - org.postgresql.core.BaseStatement (also extends java.sql.Statement)
- org.postgresql.core.Provider<T>
- org.postgresql.core.Query
- org.postgresql.core.ReplicationProtocol
- org.postgresql.core.ResultCursor
- org.postgresql.core.ResultHandler
- org.postgresql.core.TypeInfo
- org.postgresql.core.v3.TypeTransferModeRegistry
  - org.postgresql.core.QueryExecutor
- org.postgresql.core.Version
- java.sql.Wrapper
  - java.sql.Connection (also extends java.lang.AutoCloseable)
    - org.postgresql.core.BaseConnection (also extends org.postgresql.PGConnection)
  - java.sql.Statement (also extends java.lang.AutoCloseable)
    - org.postgresql.core.BaseStatement (also extends org.postgresql.PGStatement)

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.lang.constant.Constable, java.io.Serializable)
    - org.postgresql.core.JavaVersion
    - org.postgresql.core.ServerVersion (implements org.postgresql.core.Version)
    - org.postgresql.core.SqlCommandType
    - org.postgresql.core.TransactionState