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JdbcUpdateAffectedIncorrectNumberOfRowsException (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.jdbc
Class JdbcUpdateAffectedIncorrectNumberOfRowsException

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          java.lang.RuntimeException
              org.springframework.core.NestedRuntimeException
                  org.springframework.dao.DataAccessException
                      org.springframework.dao.InvalidDataAccessResourceUsageException
                          org.springframework.dao.IncorrectUpdateSemanticsDataAccessException
                              org.springframework.jdbc.JdbcUpdateAffectedIncorrectNumberOfRowsException

All Implemented Interfaces:

Serializable

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public class JdbcUpdateAffectedIncorrectNumberOfRowsException
extends IncorrectUpdateSemanticsDataAccessException

Exception thrown when a JDBC update affects an unexpected number of rows. Typically we expect an update to affect a single row, meaning it's an error if it affects multiple rows.

Author:

Rod Johnson, Juergen Hoeller

See Also:

Serialized Form

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Constructor Summary
JdbcUpdateAffectedIncorrectNumberOfRowsException(String sql, int expected, int actual)           Constructor for JdbcUpdateAffectedIncorrectNumberOfRowsException.

 

Method Summary
int	getActualRowsAffected()           Return the number of rows that have actually been affected.
int	getExpectedRowsAffected()           Return the number of rows that should have been affected.
boolean	wasDataUpdated()           Return whether data was updated.

 

Methods inherited from class org.springframework.core.NestedRuntimeException
contains, getCause, getMessage, getMostSpecificCause, getRootCause, printStackTrace, printStackTrace

 

Methods inherited from class java.lang.Throwable
fillInStackTrace, getLocalizedMessage, getStackTrace, initCause, printStackTrace, setStackTrace, toString

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Constructor Detail

JdbcUpdateAffectedIncorrectNumberOfRowsException

public JdbcUpdateAffectedIncorrectNumberOfRowsException(String sql,
                                                        int expected,
                                                        int actual)

Constructor for JdbcUpdateAffectedIncorrectNumberOfRowsException.

Parameters:

sql - SQL we were tring to execute

expected - the expected number of rows affected

actual - the actual number of rows affected

Method Detail

getExpectedRowsAffected

public int getExpectedRowsAffected()

Return the number of rows that should have been affected.

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getActualRowsAffected

public int getActualRowsAffected()

Return the number of rows that have actually been affected.

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wasDataUpdated

public boolean wasDataUpdated()

Description copied from class: IncorrectUpdateSemanticsDataAccessException

Return whether data was updated. If this method returns false, there's nothing to roll back.

The default implementation always returns true. This can be overridden in subclasses.

Overrides:

wasDataUpdated in class IncorrectUpdateSemanticsDataAccessException

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