Class DropSequenceConstantAction

java.lang.Object

org.apache.derby.impl.sql.execute.DDLConstantAction

org.apache.derby.impl.sql.execute.DropSequenceConstantAction

All Implemented Interfaces:

ConstantAction

class DropSequenceConstantAction
extends DDLConstantAction

This class describes actions that are ALWAYS performed for a DROP SEQUENCE Statement at Execution time.

Field Summary

Fields

Modifier and Type	Field	Description
private final SchemaDescriptor	schemaDescriptor
private final String	sequenceName

Fields inherited from interface ConstantAction

WHEN_MATCHED_THEN_DELETE, WHEN_MATCHED_THEN_UPDATE, WHEN_NOT_MATCHED_THEN_INSERT

Constructor Summary

Constructors

Constructor	Description
DropSequenceConstantAction(SchemaDescriptor sd, String sequenceName)	Make the ConstantAction for a DROP SEQUENCE statement.

Method Summary

Modifier and Type	Method	Description
void	executeConstantAction(Activation activation)	This is the guts of the Execution-time logic for DROP SEQUENCE.
String	toString()	////////////////////////////////////////////

Methods inherited from class DDLConstantAction

addColumnDependencies, adjustUDTDependencies, adjustUDTDependencies, constructToString, getAndCheckSchemaDescriptor, getSchemaDescriptorForCreate, lockTableForDDL, storeConstraintDependenciesOnPrivileges, storeViewTriggerDependenciesOnPrivileges

Methods inherited from class Object

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

Field Details

sequenceName

private final String sequenceName

schemaDescriptor

private final SchemaDescriptor schemaDescriptor

Constructor Details

DropSequenceConstantAction

DropSequenceConstantAction(SchemaDescriptor sd,
 String sequenceName)

Make the ConstantAction for a DROP SEQUENCE statement.

Parameters:

sequenceName - sequence name to be dropped

Method Details

toString

public String toString()

////////////////////////////////////////////

Overrides:

toString in class Object

executeConstantAction

public void executeConstantAction(Activation activation)
                           throws StandardException

This is the guts of the Execution-time logic for DROP SEQUENCE.

Parameters:

activation - The execution environment for this constant action.

Throws:

StandardException - Thrown on failure

See Also:

• ConstantAction.executeConstantAction(Activation)