postgresql-42.2.5.jar
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org.postgresql:postgresql:42.2.5
META-INF
org
postgresql
core
Oid.java
EncodingPredictor.java
CommandCompleteParser.java
TransactionState.java
JavaVersion.java
Notification.java
QueryExecutor.java
BaseStatement.java
SocketFactoryFactory.java
ConnectionFactory.java
CallableQueryKey.java
NativeQuery.java
CachedQuery.java
UTF8Encoding.java
SqlCommand.java
ReplicationProtocol.java
Provider.java
Encoding.java
SetupQueryRunner.java
ServerVersion.java
Field.java
ResultCursor.java
ParameterList.java
Version.java
BaseQueryKey.java
Parser.java
v3
PGBindException.java
JdbcCallParseInfo.java
BaseConnection.java
Utils.java
SqlCommandType.java
ResultHandlerBase.java
TypeInfo.java
CachedQueryCreateAction.java
VisibleBufferedInputStream.java
ResultHandlerDelegate.java
QueryWithReturningColumnsKey.java
PGStream.java
Query.java
ResultHandler.java
QueryExecutorBase.java
ds
geometric
jdbc
replication
Driver.java
largeobject
PGStatement.java
PGResultSetMetaData.java
gss
util
PGRefCursorResultSet.java
osgi
ssl
PGConnection.java
jdbc3
PGNotification.java
sspi
fastpath
copy
translation
hostchooser
jdbc2
PGProperty.java
xa
jre8
ResultHandlerBase.java
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类结构
/* * Copyright (c) 2004, PostgreSQL Global Development Group * See the LICENSE file in the project root for more information. */ // Copyright (c) 2004, Open Cloud Limited. package org.postgresql.core; import java.sql.
SQLException
; import java.sql.
SQLWarning
; import java.util.
List
; /** * Empty implementation of {@link ResultHandler} interface. * {@link SQLException#setNextException(SQLException)} has {@code O(N)} complexity, * so this class tracks the last exception object to speedup {@code setNextException}. */ public class
ResultHandlerBase
implements
ResultHandler
{ // Last exception is tracked to avoid O(N) SQLException#setNextException just in case there // will be lots of exceptions (e.g. all batch rows fail with constraint violation or so) private
SQLException
firstException
; private
SQLException
lastException
; private
SQLWarning
firstWarning
; private
SQLWarning
lastWarning
; @
Override
public void
handleResultRows
(
Query
fromQuery
,
Field
[]
fields
,
List
<byte[][]>
tuples
,
ResultCursor
cursor
) { } @
Override
public void
handleCommandStatus
(
String
status
, int
updateCount
, long
insertOID
) { } @
Override
public void
secureProgress
() { } @
Override
public void
handleWarning
(
SQLWarning
warning
) { if (
firstWarning
== null) {
firstWarning
=
lastWarning
=
warning
; return; }
lastWarning
.
setNextException
(
warning
);
lastWarning
=
warning
; } @
Override
public void
handleError
(
SQLException
error
) { if (
firstException
== null) {
firstException
=
lastException
=
error
; return; }
lastException
.
setNextException
(
error
);
lastException
=
error
; } @
Override
public void
handleCompletion
() throws
SQLException
{ if (
firstException
!= null) { throw
firstException
; } } @
Override
public
SQLException
getException
() { return
firstException
; } @
Override
public
SQLWarning
getWarning
() { return
firstWarning
; } }
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