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SQLWarning (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

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java.sql
Class SQLWarning

java.lang.Object
  |
  +--java.lang.Throwable
        |
        +--java.lang.Exception
              |
              +--java.sql.SQLException
                    |
                    +--java.sql.SQLWarning

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

DataTruncation

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public class SQLWarning

extends SQLException

An exception that provides information on database access warnings. Warnings are silently chained to the object whose method caused it to be reported.

Warnings may be retrieved from Connection, Statement, and ResultSet objects. Trying to retrieve a warning on a connection after it has been closed will cause an exception to be thrown. Similarly, trying to retrieve a warning on a statement after it has been closed or on a result set after it has been closed will cause an exception to be thrown. Note that closing a statement also closes a result set that it might have produced.

See Also:

Connection.getWarnings(), Statement.getWarnings(), ResultSet.getWarnings(), Serialized Form

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Constructor Summary

SQLWarning()           Constructs a default SQLWarning object.

SQLWarning(String reason)           Constructs an SQLWarning object with the given value for a reason; SQLstate defaults to null, and vendorCode defaults to 0.

SQLWarning(String reason, String SQLstate)           Constructs an SQLWarning object with the given reason and SQLState; the vendorCode defaults to 0.

SQLWarning(String reason, String SQLstate, int vendorCode)           Constructs a fully-specified SQLWarning object initialized with the given values.

 

Method Summary
SQLWarning	getNextWarning()           Retrieves the warning chained to this SQLWarning object.
void	setNextWarning(SQLWarning w)           Adds an SQLWarning object to the end of the chain.

 

Methods inherited from class java.sql.SQLException

getErrorCode, getNextException, getSQLState, setNextException

 

Methods inherited from class java.lang.Throwable

fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

SQLWarning

public SQLWarning(String reason,
                  String SQLstate,
                  int vendorCode)

Constructs a fully-specified SQLWarning object initialized with the given values.

Parameters:

reason - a description of the warning

SQLstate - an XOPEN code identifying the warning

vendorCode - a database vendor-specific warning code

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SQLWarning

public SQLWarning(String reason,
                  String SQLstate)

Constructs an SQLWarning object with the given reason and SQLState; the vendorCode defaults to 0.

Parameters:

reason - a description of the warning

SQLstate - an XOPEN code identifying the warning

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SQLWarning

public SQLWarning(String reason)

Constructs an SQLWarning object with the given value for a reason; SQLstate defaults to null, and vendorCode defaults to 0.

Parameters:

reason - a description of the warning

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SQLWarning

public SQLWarning()

Constructs a default SQLWarning object. The reason defaults to null, SQLState defaults to null, and vendorCode defaults to 0.

Method Detail

getNextWarning

public SQLWarning getNextWarning()

Retrieves the warning chained to this SQLWarning object.

Returns:

the next SQLException in the chain; null if none

See Also:

setNextWarning(java.sql.SQLWarning)

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setNextWarning

public void setNextWarning(SQLWarning w)

Adds an SQLWarning object to the end of the chain.

Parameters:

w - the new end of the SQLException chain

See Also:

getNextWarning()

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.