org.teiid.translator.jdbc

Class JDBCQueryExecution

java.lang.Object

org.teiid.translator.jdbc.JDBCBaseExecution

org.teiid.translator.jdbc.JDBCQueryExecution

All Implemented Interfaces:

Execution, ResultSetExecution

Direct Known Subclasses:

JDBCDirectQueryExecution, JDBCProcedureExecution

public class JDBCQueryExecution
extends JDBCBaseExecution
implements ResultSetExecution

Field Summary

Fields

Modifier and Type	Field and Description
protected Class<?>[]	columnDataTypes
protected ResultSet	results
protected List<NamedTable>	tempTables

Fields inherited from class org.teiid.translator.jdbc.JDBCBaseExecution

command, connection, context, executionFactory, fetchSize, statement, trimString

Constructor Summary

Constructors

Constructor and Description
JDBCQueryExecution(Command command, Connection connection, ExecutionContext context, JDBCExecutionFactory env)

Method Summary

Modifier and Type	Method and Description
void	close() Terminates the execution normally.
protected boolean	createFullTempTables(QueryExpression qe, boolean usingTxn)
protected boolean	createTempTables(Select select)
void	execute() Execute the associated command.
List<?>	next() Retrieves the next row of the resultset.

Methods inherited from class org.teiid.translator.jdbc.JDBCBaseExecution

addStatementWarnings, bind, cancel, getCallableStatement, getConnection, getPreparedStatement, getStatement, setSizeContraints, translateCommand

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.teiid.translator.Execution

cancel

Field Detail

results

protected ResultSet results

columnDataTypes

protected Class<?>[] columnDataTypes

tempTables

protected List<NamedTable> tempTables

Constructor Detail

JDBCQueryExecution

public JDBCQueryExecution(Command command,
                          Connection connection,
                          ExecutionContext context,
                          JDBCExecutionFactory env)

Method Detail

execute

public void execute()
             throws TranslatorException

Description copied from interface: Execution

Execute the associated command. Results will be retrieved through a specific sub-interface call.

Specified by:

execute in interface Execution

Throws:

TranslatorException

createFullTempTables

protected boolean createFullTempTables(QueryExpression qe,
                                       boolean usingTxn)
                                throws SQLException,
                                       TranslatorException

Parameters:

qe -

usingTxn -

Returns:

Throws:

SQLException

TranslatorException

createTempTables

protected boolean createTempTables(Select select)
                            throws SQLException,
                                   TranslatorException

Parameters:

select -

Returns:

Throws:

SQLException

TranslatorException

next

public List<?> next()
             throws TranslatorException,
                    DataNotAvailableException

Description copied from interface: ResultSetExecution

Retrieves the next row of the resultset.

Specified by:

next in interface ResultSetExecution

Returns:

the next row or null indicating that there are no more results

Throws:

TranslatorException

DataNotAvailableException

close

public void close()

Description copied from interface: Execution

Terminates the execution normally.

Specified by:

close in interface Execution

Overrides:

close in class JDBCBaseExecution

See Also:

JDBCBaseExecution.close()