java.sql.BaseQuery

public interface java.sql

BaseQuery

Java SE 6

The interface that needs to be extended by all Query interfaces in order to free up the resources that this Query object uses. After the close() method is called, the Query object is no longer usable. The isClosed() method is used to determine whether the Query object is still valid or has been closed.

since

1.6

Methods

public void

clearWarnings() Details

Clears all warnings reported on this Query object. After this method is called, the method getWarnings returns null until a new warning is reported for this Query object.

Throws	SQLRuntimeException: if a database access error occurs
since	1.6

public void

close() Details

Closes this Query Object and makes it no longer usable. All the resources held by this object are released

Throws	SQLRuntimeException: if an access error occurs
since	1.6

Properties

public boolean

isClosed() Details

This method returns the status of this object, the return value determining whether the object can be used or not.

return	true if the Query Object is closed, false otherwise.
since	1.6

public SQLWarning

getWarnings() Details

Retrieves the first warning reported by invoking methods on this Query object. Subsequent Query object warnings will be chained to this SQLWarning object.

The warning chain is automatically cleared each time a method is (re)executed. This method may not be called on a closed Query object; doing so will cause an SQLRuntimeException to be thrown.

return the first SQLWarning object or null if there are no warnings

Throws SQLRuntimeException: if a database access error occurs or this method is called on a closed Query Object

since 1.6

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Java SE 6