com.j_spaces.jdbc

Class AlterTableQuery

java.lang.Object

com.j_spaces.jdbc.AlterTableQuery

All Implemented Interfaces:

Query

public class AlterTableQuery
extends Object
implements Query

The ALTER TABLE implementation. Currently the only syntax supported is: ALTER TABLE table_name ADD PRIMARY KEY(column_name) USING INDEX The command above will cause table_name to be dropped with all its data and then recreated using the given columns as indices.

Author:

Michael Mitrani, 2Train4, 2004

Constructor Summary

Constructors

Constructor and Description
AlterTableQuery()

Method Summary

Modifier and Type	Method and Description
void	build()
boolean	containsSubQueries() Gets whether this query contains sub queries.
ResponsePacket	executeOnSpace(ISpaceProxy space, Transaction txn) Will execute this query on the space and return a ResponsePacket
SecurityInterceptor	getSecurityInterceptor()
QuerySession	getSession()
boolean	isForceUnderTransaction() Gets whether this query is forced to be executed under transaction.
boolean	isPrepared()
void	setIndices(String[] indices)
void	setSecurityInterceptor(SecurityInterceptor securityInterceptor)
void	setSession(QuerySession session)
void	setTableName(String table)
void	validateQuery(ISpaceProxy space) Each query should have its own specific validations.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.j_spaces.jdbc.Query

validateQuery

Constructor Detail

AlterTableQuery

public AlterTableQuery()

Method Detail

executeOnSpace

public ResponsePacket executeOnSpace(ISpaceProxy space,
                                     Transaction txn)
                              throws SQLException

Description copied from interface: Query

Will execute this query on the space and return a ResponsePacket

Specified by:

executeOnSpace in interface Query

Throws:

SQLException

validateQuery

public void validateQuery(ISpaceProxy space)
                   throws SQLException

Description copied from interface: Query

Each query should have its own specific validations. this is the place to do them. if some validation fail, an SQLException will be thrown.

Specified by:

validateQuery in interface Query

Throws:

SQLException

setTableName

public void setTableName(String table)

setSession

public void setSession(QuerySession session)

Specified by:

setSession in interface Query

getSession

public QuerySession getSession()

setIndices

public void setIndices(String[] indices)

build

public void build()
           throws SQLException

Specified by:

build in interface Query

Throws:

SQLException

isPrepared

public boolean isPrepared()

Specified by:

isPrepared in interface Query

Returns:

isPrepared is this a PreparedStatment or not.

setSecurityInterceptor

public void setSecurityInterceptor(SecurityInterceptor securityInterceptor)

Specified by:

setSecurityInterceptor in interface Query

getSecurityInterceptor

public SecurityInterceptor getSecurityInterceptor()

Returns:

the securityInterceptor

isForceUnderTransaction

public boolean isForceUnderTransaction()

Description copied from interface: Query

Gets whether this query is forced to be executed under transaction.

Specified by:

isForceUnderTransaction in interface Query

containsSubQueries

public boolean containsSubQueries()

Description copied from interface: Query

Gets whether this query contains sub queries.

Specified by:

containsSubQueries in interface Query