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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.NonTransientDataAccessException
                              org.springframework.dao.InvalidDataAccessResourceUsageException
                                  org.springframework.dao.IncorrectUpdateSemanticsDataAccessException
                                      org.springframework.jdbc.JdbcUpdateAffectedIncorrectNumberOfRowsException

All Implemented Interfaces:
  java.io.Serializable

    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

Constructor Summary
`JdbcUpdateAffectedIncorrectNumberOfRowsException(java.lang.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, getMessage, getMostSpecificCause, getRootCause`

Methods inherited from class java.lang.Throwable
`fillInStackTrace, getCause, getLocalizedMessage, 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

### JdbcUpdateAffectedIncorrectNumberOfRowsException

    public JdbcUpdateAffectedIncorrectNumberOfRowsException(java.lang.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.

### getActualRowsAffected

    public int getActualRowsAffected()

  Return the number of rows that have actually been affected.

### 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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