Package mondrian.olap4j

Class MondrianOlap4jStatement

java.lang.Object

mondrian.server.StatementImpl

mondrian.olap4j.MondrianOlap4jStatement

All Implemented Interfaces:

AutoCloseable, Statement, Wrapper, Statement, OlapStatement, OlapWrapper

Direct Known Subclasses:

MondrianOlap4jPreparedStatement

abstract class MondrianOlap4jStatement
extends StatementImpl
implements OlapStatement, Statement

Implementation of OlapStatement for the Mondrian OLAP engine.

Since:

May 24, 2007

Author:

jhyde

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	closeOnCompletion	Support for Statement.closeOnCompletion() method.
(package private) MondrianOlap4jConnection	olap4jConnection
(package private) MondrianOlap4jCellSet	openCellSet	Current cell set, or null if the statement is not executing anything.

Fields inherited from class mondrian.server.StatementImpl

query, queryTimeout

Fields inherited from interface java.sql.Statement

CLOSE_ALL_RESULTS, CLOSE_CURRENT_RESULT, EXECUTE_FAILED, KEEP_CURRENT_RESULT, NO_GENERATED_KEYS, RETURN_GENERATED_KEYS, SUCCESS_NO_INFO

Constructor Summary

Constructors

Constructor	Description
MondrianOlap4jStatement(MondrianOlap4jConnection olap4jConnection)

Method Summary

Modifier and Type	Method	Description
void	addBatch(String sql)
void	addListener(CellSetListener.Granularity granularity, CellSetListener cellSetListener)
void	cancel()	Issues a cancel request on this statement.
void	clearBatch()
void	clearWarnings()
void	close()	Closes this statement.
boolean	execute(String sql)
boolean	execute(String sql, int autoGeneratedKeys)
boolean	execute(String sql, int[] columnIndexes)
boolean	execute(String sql, String[] columnNames)
int[]	executeBatch()
CellSet	executeOlapQuery(String mdx)
CellSet	executeOlapQuery(SelectNode selectNode)
protected CellSet	executeOlapQueryInternal(Query query, MondrianOlap4jCellSetMetaData cellSetMetaData)	Executes a parsed query, closing any previously open cellset.
ResultSet	executeQuery(String mdx)
(package private) ResultSet	executeQuery2(String mdx, boolean advanced, String tabFields, int[] rowCountSlot)
int	executeUpdate(String sql)
int	executeUpdate(String sql, int autoGeneratedKeys)
int	executeUpdate(String sql, int[] columnIndexes)
int	executeUpdate(String sql, String[] columnNames)
OlapConnection	getConnection()
int	getFetchDirection()
int	getFetchSize()
ResultSet	getGeneratedKeys()
int	getMaxFieldSize()
int	getMaxRows()
RolapConnection	getMondrianConnection()	Returns this statement's connection.
boolean	getMoreResults()
boolean	getMoreResults(int current)
int	getQueryTimeout()
ResultSet	getResultSet()
int	getResultSetConcurrency()
int	getResultSetHoldability()
int	getResultSetType()
int	getUpdateCount()
SQLWarning	getWarnings()
boolean	isClosed()
boolean	isPoolable()
boolean	isWrapperFor(Class<?> iface)
(package private) void	onResultSetClose(ResultSet resultSet)	Called by each child result set (most likely a cell set) when it is closed.
protected Pair<Query,MondrianOlap4jCellSetMetaData>	parseQuery(String mdx)
void	setCursorName(String name)
void	setEscapeProcessing(boolean enable)
void	setFetchDirection(int direction)
void	setFetchSize(int rows)
void	setMaxFieldSize(int max)
void	setMaxRows(int max)
void	setPoolable(boolean poolable)
void	setQueryTimeout(int seconds)
void	start(Execution execution)	Starts an execution.
<T> T	unwrap(Class<T> iface)

Methods inherited from class mondrian.server.StatementImpl

checkCancelOrTimeout, enableProfiling, end, getCurrentExecution, getId, getProfileHandler, getProperty, getQuery, getQueryTimeoutMillis, getSchema, getSchemaReader, setQuery, setQueryTimeoutMillis

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.sql.Statement

closeOnCompletion, enquoteIdentifier, enquoteLiteral, enquoteNCharLiteral, executeLargeBatch, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, getLargeMaxRows, getLargeUpdateCount, isCloseOnCompletion, isSimpleIdentifier, setLargeMaxRows

Methods inherited from interface mondrian.server.Statement

checkCancelOrTimeout, enableProfiling, end, getCurrentExecution, getId, getProfileHandler, getProperty, getQuery, getQueryTimeoutMillis, getSchema, getSchemaReader, setQuery, setQueryTimeoutMillis

Field Detail

olap4jConnection

final MondrianOlap4jConnection olap4jConnection

closeOnCompletion

protected boolean closeOnCompletion

Support for Statement.closeOnCompletion() method.

openCellSet

MondrianOlap4jCellSet openCellSet

Current cell set, or null if the statement is not executing anything. Any method which modifies this member must synchronize on the MondrianOlap4jStatement.

Constructor Detail

MondrianOlap4jStatement

MondrianOlap4jStatement(MondrianOlap4jConnection olap4jConnection)

Method Detail

executeQuery

public ResultSet executeQuery(String mdx)
                       throws SQLException

Specified by:

executeQuery in interface Statement

Throws:

SQLException

executeQuery2

ResultSet executeQuery2(String mdx,
                        boolean advanced,
                        String tabFields,
                        int[] rowCountSlot)
                 throws SQLException

Throws:

SQLException

executeUpdate

public int executeUpdate(String sql)
                  throws SQLException

Specified by:

executeUpdate in interface Statement

Throws:

SQLException

close

public void close()

Description copied from interface: Statement

Closes this statement.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Statement

Specified by:

close in interface Statement

getMaxFieldSize

public int getMaxFieldSize()
                    throws SQLException

Specified by:

getMaxFieldSize in interface Statement

Throws:

SQLException

setMaxFieldSize

public void setMaxFieldSize(int max)
                     throws SQLException

Specified by:

setMaxFieldSize in interface Statement

Throws:

SQLException

getMaxRows

public int getMaxRows()
               throws SQLException

Specified by:

getMaxRows in interface Statement

Throws:

SQLException

setMaxRows

public void setMaxRows(int max)
                throws SQLException

Specified by:

setMaxRows in interface Statement

Throws:

SQLException

setEscapeProcessing

public void setEscapeProcessing(boolean enable)
                         throws SQLException

Specified by:

setEscapeProcessing in interface Statement

Throws:

SQLException

getQueryTimeout

public int getQueryTimeout()
                    throws SQLException

Specified by:

getQueryTimeout in interface Statement

Throws:

SQLException

setQueryTimeout

public void setQueryTimeout(int seconds)
                     throws SQLException

Specified by:

setQueryTimeout in interface Statement

Throws:

SQLException

cancel

public void cancel()
            throws SQLException

Description copied from interface: Statement

Issues a cancel request on this statement.

Once the thread running the statement detects the cancel request, execution will throw an exception. See BasicQueryTest.testCancel for an example of usage of this method.

Specified by:

cancel in interface Statement

Specified by:

cancel in interface Statement

Overrides:

cancel in class StatementImpl

Throws:

SQLException - on error

getWarnings

public SQLWarning getWarnings()
                       throws SQLException

Specified by:

getWarnings in interface Statement

Throws:

SQLException

clearWarnings

public void clearWarnings()
                   throws SQLException

Specified by:

clearWarnings in interface Statement

Throws:

SQLException

setCursorName

public void setCursorName(String name)
                   throws SQLException

Specified by:

setCursorName in interface Statement

Throws:

SQLException

execute

public boolean execute(String sql)
                throws SQLException

Specified by:

execute in interface Statement

Throws:

SQLException

getResultSet

public ResultSet getResultSet()
                       throws SQLException

Specified by:

getResultSet in interface Statement

Throws:

SQLException

getUpdateCount

public int getUpdateCount()
                   throws SQLException

Specified by:

getUpdateCount in interface Statement

Throws:

SQLException

getMoreResults

public boolean getMoreResults()
                       throws SQLException

Specified by:

getMoreResults in interface Statement

Throws:

SQLException

setFetchDirection

public void setFetchDirection(int direction)
                       throws SQLException

Specified by:

setFetchDirection in interface Statement

Throws:

SQLException

getFetchDirection

public int getFetchDirection()
                      throws SQLException

Specified by:

getFetchDirection in interface Statement

Throws:

SQLException

setFetchSize

public void setFetchSize(int rows)
                  throws SQLException

Specified by:

setFetchSize in interface Statement

Throws:

SQLException

getFetchSize

public int getFetchSize()
                 throws SQLException

Specified by:

getFetchSize in interface Statement

Throws:

SQLException

getResultSetConcurrency

public int getResultSetConcurrency()
                            throws SQLException

Specified by:

getResultSetConcurrency in interface Statement

Throws:

SQLException

getResultSetType

public int getResultSetType()
                     throws SQLException

Specified by:

getResultSetType in interface Statement

Throws:

SQLException

addBatch

public void addBatch(String sql)
              throws SQLException

Specified by:

addBatch in interface Statement

Throws:

SQLException

clearBatch

public void clearBatch()
                throws SQLException

Specified by:

clearBatch in interface Statement

Throws:

SQLException

executeBatch

public int[] executeBatch()
                   throws SQLException

Specified by:

executeBatch in interface Statement

Throws:

SQLException

getConnection

public OlapConnection getConnection()

Specified by:

getConnection in interface OlapStatement

Specified by:

getConnection in interface Statement

getMoreResults

public boolean getMoreResults(int current)
                       throws SQLException

Specified by:

getMoreResults in interface Statement

Throws:

SQLException

getGeneratedKeys

public ResultSet getGeneratedKeys()
                           throws SQLException

Specified by:

getGeneratedKeys in interface Statement

Throws:

SQLException

executeUpdate

public int executeUpdate(String sql,
                         int autoGeneratedKeys)
                  throws SQLException

Specified by:

executeUpdate in interface Statement

Throws:

SQLException

executeUpdate

public int executeUpdate(String sql,
                         int[] columnIndexes)
                  throws SQLException

Specified by:

executeUpdate in interface Statement

Throws:

SQLException

executeUpdate

public int executeUpdate(String sql,
                         String[] columnNames)
                  throws SQLException

Specified by:

executeUpdate in interface Statement

Throws:

SQLException

execute

public boolean execute(String sql,
                       int autoGeneratedKeys)
                throws SQLException

Specified by:

execute in interface Statement

Throws:

SQLException

execute

public boolean execute(String sql,
                       int[] columnIndexes)
                throws SQLException

Specified by:

execute in interface Statement

Throws:

SQLException

execute

public boolean execute(String sql,
                       String[] columnNames)
                throws SQLException

Specified by:

execute in interface Statement

Throws:

SQLException

getResultSetHoldability

public int getResultSetHoldability()
                            throws SQLException

Specified by:

getResultSetHoldability in interface Statement

Throws:

SQLException

isClosed

public boolean isClosed()
                 throws SQLException

Specified by:

isClosed in interface Statement

Throws:

SQLException

setPoolable

public void setPoolable(boolean poolable)
                 throws SQLException

Specified by:

setPoolable in interface Statement

Throws:

SQLException

isPoolable

public boolean isPoolable()
                   throws SQLException

Specified by:

isPoolable in interface Statement

Throws:

SQLException

unwrap

public <T> T unwrap(Class<T> iface)
             throws SQLException

Specified by:

unwrap in interface OlapWrapper

Specified by:

unwrap in interface Wrapper

Throws:

SQLException

isWrapperFor

public boolean isWrapperFor(Class<?> iface)
                     throws SQLException

Specified by:

isWrapperFor in interface OlapWrapper

Specified by:

isWrapperFor in interface Wrapper

Throws:

SQLException

executeOlapQuery

public CellSet executeOlapQuery(String mdx)
                         throws OlapException

Specified by:

executeOlapQuery in interface OlapStatement

Throws:

OlapException

parseQuery

protected Pair<Query,MondrianOlap4jCellSetMetaData> parseQuery(String mdx)
                                                              throws OlapException

Throws:

OlapException

executeOlapQueryInternal

protected CellSet executeOlapQueryInternal(Query query,
                                           MondrianOlap4jCellSetMetaData cellSetMetaData)
                                    throws OlapException

Executes a parsed query, closing any previously open cellset.

Parameters:

query - Parsed query

cellSetMetaData - Cell set metadata

Returns:

Cell set

Throws:

OlapException - if a database error occurs

start

public void start(Execution execution)

Description copied from interface: Statement

Starts an execution.

Specified by:

start in interface Statement

Overrides:

start in class StatementImpl

Parameters:

execution - Execution context

executeOlapQuery

public CellSet executeOlapQuery(SelectNode selectNode)
                         throws OlapException

Specified by:

executeOlapQuery in interface OlapStatement

Throws:

OlapException

addListener

public void addListener(CellSetListener.Granularity granularity,
                        CellSetListener cellSetListener)
                 throws OlapException

Specified by:

addListener in interface OlapStatement

Throws:

OlapException

getMondrianConnection

public RolapConnection getMondrianConnection()

Description copied from interface: Statement

Returns this statement's connection.

Specified by:

getMondrianConnection in interface Statement

Returns:

connection

onResultSetClose

void onResultSetClose(ResultSet resultSet)

Called by each child result set (most likely a cell set) when it is closed.

Parameters:

resultSet - Result set or cell set