org.postgresql.jdbc

Class PgStatement.StatementResultHandler

java.lang.Object

org.postgresql.core.ResultHandlerBase

org.postgresql.jdbc.PgStatement.StatementResultHandler

All Implemented Interfaces:

ResultHandler

Enclosing class:

PgStatement

public class PgStatement.StatementResultHandler
extends ResultHandlerBase

ResultHandler implementations for updates, queries, and either-or.

Constructor Summary

Constructors

Constructor and Description
PgStatement.StatementResultHandler()

Method Summary

Methods

Modifier and Type	Method and Description
void	handleCommandStatus(String status, long updateCount, long insertOID) Called when a query that did not return a resultset completes.
void	handleResultRows(Query fromQuery, Field[] fields, List<byte[][]> tuples, ResultCursor cursor) Called when result rows are received from a query.
void	handleWarning(SQLWarning warning) Called when a warning is emitted.

Methods inherited from class org.postgresql.core.ResultHandlerBase

getException, getWarning, handleCompletion, handleError, secureProgress

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PgStatement.StatementResultHandler

public PgStatement.StatementResultHandler()

Method Detail

handleResultRows

public void handleResultRows(Query fromQuery,
                    Field[] fields,
                    List<byte[][]> tuples,
                    ResultCursor cursor)

Description copied from interface: ResultHandler

Called when result rows are received from a query.

Specified by:

handleResultRows in interface ResultHandler

Overrides:

handleResultRows in class ResultHandlerBase

Parameters:

fromQuery - the underlying query that generated these results; this may not be very specific (e.g. it may be a query that includes multiple statements).

fields - column metadata for the resultset; might be null if Query.QUERY_NO_METADATA was specified.

tuples - the actual data

cursor - a cursor to use to fetch additional data; null if no further results are present.

handleCommandStatus

public void handleCommandStatus(String status,
                       long updateCount,
                       long insertOID)

Description copied from interface: ResultHandler

Called when a query that did not return a resultset completes.

Specified by:

handleCommandStatus in interface ResultHandler

Overrides:

handleCommandStatus in class ResultHandlerBase

Parameters:

status - the command status string (e.g. "SELECT") returned by the backend

updateCount - the number of rows affected by an INSERT, UPDATE, DELETE, FETCH, or MOVE command; -1 if not available.

insertOID - for a single-row INSERT query, the OID of the newly inserted row; 0 if not available.

handleWarning

public void handleWarning(SQLWarning warning)

Description copied from interface: ResultHandler

Called when a warning is emitted.

Specified by:

handleWarning in interface ResultHandler

Overrides:

handleWarning in class ResultHandlerBase

Parameters:

warning - the warning that occurred.