simpledb.index.planner
Class IndexUpdatePlanner

java.lang.Object
  simpledb.index.planner.IndexUpdatePlanner

All Implemented Interfaces:

UpdatePlanner

public class IndexUpdatePlanner
extends Object
implements UpdatePlanner

A modification of the basic update planner. It dispatches each update statement to the corresponding index planner.

Author:

Edward Sciore

Constructor Summary

IndexUpdatePlanner()

Method Summary

int	executeCreateIndex(CreateIndexData data, Transaction tx) Executes the specified create index statement, and returns the number of affected records.
int	executeCreateTable(CreateTableData data, Transaction tx) Executes the specified create table statement, and returns the number of affected records.
int	executeCreateView(CreateViewData data, Transaction tx) Executes the specified create view statement, and returns the number of affected records.
int	executeDelete(DeleteData data, Transaction tx) Executes the specified delete statement, and returns the number of affected records.
int	executeInsert(InsertData data, Transaction tx) Executes the specified insert statement, and returns the number of affected records.
int	executeModify(ModifyData data, Transaction tx) Executes the specified modify statement, and returns the number of affected records.

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexUpdatePlanner

public IndexUpdatePlanner()

Method Detail

executeInsert

public int executeInsert(InsertData data,
                         Transaction tx)

Description copied from interface: UpdatePlanner

Executes the specified insert statement, and returns the number of affected records.

Specified by:

executeInsert in interface UpdatePlanner

Parameters:

data - the parsed representation of the insert statement

tx - the calling transaction

Returns:

the number of affected records

executeDelete

public int executeDelete(DeleteData data,
                         Transaction tx)

Description copied from interface: UpdatePlanner

Executes the specified delete statement, and returns the number of affected records.

Specified by:

executeDelete in interface UpdatePlanner

Parameters:

data - the parsed representation of the delete statement

tx - the calling transaction

Returns:

the number of affected records

executeModify

public int executeModify(ModifyData data,
                         Transaction tx)

Description copied from interface: UpdatePlanner

Executes the specified modify statement, and returns the number of affected records.

Specified by:

executeModify in interface UpdatePlanner

Parameters:

data - the parsed representation of the modify statement

tx - the calling transaction

Returns:

the number of affected records

executeCreateTable

public int executeCreateTable(CreateTableData data,
                              Transaction tx)

Description copied from interface: UpdatePlanner

Executes the specified create table statement, and returns the number of affected records.

Specified by:

executeCreateTable in interface UpdatePlanner

Parameters:

data - the parsed representation of the create table statement

tx - the calling transaction

Returns:

the number of affected records

executeCreateView

public int executeCreateView(CreateViewData data,
                             Transaction tx)

Description copied from interface: UpdatePlanner

Executes the specified create view statement, and returns the number of affected records.

Specified by:

executeCreateView in interface UpdatePlanner

Parameters:

data - the parsed representation of the create view statement

tx - the calling transaction

Returns:

the number of affected records

executeCreateIndex

public int executeCreateIndex(CreateIndexData data,
                              Transaction tx)

Description copied from interface: UpdatePlanner

Executes the specified create index statement, and returns the number of affected records.

Specified by:

executeCreateIndex in interface UpdatePlanner

Parameters:

data - the parsed representation of the create index statement

tx - the calling transaction

Returns:

the number of affected records