Package com.clickhouse.jdbc

Class StatementImpl

java.lang.Object

com.clickhouse.jdbc.StatementImpl

All Implemented Interfaces:

JdbcV2Wrapper, AutoCloseable, Statement, Wrapper

Direct Known Subclasses:

PreparedStatementImpl

public class StatementImpl
extends Object
implements Statement, JdbcV2Wrapper

Field Summary

Fields

Modifier and Type	Field	Description
protected List<String>	batch
protected ResultSetImpl	currentResultSet
protected long	currentUpdateCount
protected boolean	isPoolable
protected String	lastQueryId
protected QuerySettings	localSettings
protected int	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
StatementImpl(ConnectionImpl connection)

Method Summary

Modifier and Type	Method	Description
void	addBatch(String sql)
void	cancel()
void	clearBatch()
void	clearWarnings()
void	close()
void	closeOnCompletion()
String	enquoteIdentifier(String identifier, boolean alwaysQuote)
String	enquoteLiteral(String val)
String	enquoteNCharLiteral(String val)
protected void	ensureOpen()
boolean	execute(String sql)
boolean	execute(String sql, int autoGeneratedKeys)
boolean	execute(String sql, int[] columnIndexes)
boolean	execute(String sql, String[] columnNames)
int[]	executeBatch()
long[]	executeLargeBatch()
long	executeLargeUpdate(String sql)
long	executeLargeUpdate(String sql, int autoGeneratedKeys)
long	executeLargeUpdate(String sql, int[] columnIndexes)
long	executeLargeUpdate(String sql, String[] columnNames)
ResultSet	executeQuery(String sql)
protected ResultSetImpl	executeQueryImpl(String sql, QuerySettings settings)
int	executeUpdate(String sql)
int	executeUpdate(String sql, int autoGeneratedKeys)
int	executeUpdate(String sql, int[] columnIndexes)
int	executeUpdate(String sql, String[] columnNames)
protected long	executeUpdateImpl(String sql, QuerySettings settings)
ConnectionImpl	getConnection()
int	getFetchDirection()
int	getFetchSize()
ResultSet	getGeneratedKeys()
long	getLargeMaxRows()
long	getLargeUpdateCount()
String	getLastQueryId()	Return query ID of last executed statement.
protected String	getLastStatementSql()
QuerySettings	getLocalSettings()	Returns instance of local settings.
int	getMaxFieldSize()
int	getMaxRows()
boolean	getMoreResults()
boolean	getMoreResults(int current)
int	getQueryTimeout()
ResultSet	getResultSet()
int	getResultSetConcurrency()
int	getResultSetHoldability()
int	getResultSetType()
int	getUpdateCount()
SQLWarning	getWarnings()
boolean	isClosed()
boolean	isCloseOnCompletion()
boolean	isPoolable()
boolean	isSimpleIdentifier(String identifier)
void	onResultSetClosed(ResultSetImpl resultSet)
protected void	postUpdateActions()
void	setCursorName(String name)
void	setEscapeProcessing(boolean enable)
void	setFetchDirection(int direction)
void	setFetchSize(int rows)
void	setLargeMaxRows(long max)
void	setMaxFieldSize(int max)
void	setMaxRows(int max)
void	setPoolable(boolean poolable)
void	setQueryTimeout(int seconds)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.clickhouse.jdbc.JdbcV2Wrapper

isWrapperFor, unwrap

Field Details

queryTimeout

protected int queryTimeout

isPoolable

protected boolean isPoolable

currentResultSet

protected ResultSetImpl currentResultSet

currentUpdateCount

protected long currentUpdateCount

batch

protected List<String> batch

lastQueryId

protected volatile String lastQueryId

localSettings

protected QuerySettings localSettings

Constructor Details

StatementImpl

public StatementImpl(ConnectionImpl connection)
              throws SQLException

Throws:

SQLException

Method Details

ensureOpen

protected void ensureOpen()
                   throws SQLException

Throws:

SQLException

getLastStatementSql

protected String getLastStatementSql()

executeQuery

public ResultSet executeQuery(String sql)
                       throws SQLException

Specified by:

executeQuery in interface Statement

Throws:

SQLException

executeQueryImpl

protected ResultSetImpl executeQueryImpl(String sql,
 QuerySettings settings)
                                  throws SQLException

Throws:

SQLException

executeUpdate

public int executeUpdate(String sql)
                  throws SQLException

Specified by:

executeUpdate in interface Statement

Throws:

SQLException

executeUpdateImpl

protected long executeUpdateImpl(String sql,
 QuerySettings settings)
                          throws SQLException

Throws:

SQLException

postUpdateActions

protected void postUpdateActions()

close

public void close()
           throws SQLException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Statement

Throws:

SQLException

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

Specified by:

cancel in interface Statement

Throws:

SQLException

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 ConnectionImpl getConnection()
                             throws SQLException

Specified by:

getConnection in interface Statement

Throws:

SQLException

getLocalSettings

public QuerySettings getLocalSettings()

Returns instance of local settings. Can be used to override settings.

Returns:

QuerySettings that is used as base for each request.

getMoreResults

public boolean getMoreResults(int current)
                       throws SQLException

Specified by:

getMoreResults in interface Statement

Throws:

SQLException

enquoteLiteral

public String enquoteLiteral(String val)
                      throws SQLException

Specified by:

enquoteLiteral in interface Statement

Throws:

SQLException

enquoteIdentifier

public String enquoteIdentifier(String identifier,
 boolean alwaysQuote)
                         throws SQLException

Specified by:

enquoteIdentifier in interface Statement

Throws:

SQLException

isSimpleIdentifier

public boolean isSimpleIdentifier(String identifier)
                           throws SQLException

Specified by:

isSimpleIdentifier in interface Statement

Throws:

SQLException

enquoteNCharLiteral

public String enquoteNCharLiteral(String val)
                           throws SQLException

Specified by:

enquoteNCharLiteral 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

closeOnCompletion

public void closeOnCompletion()
                       throws SQLException

Specified by:

closeOnCompletion in interface Statement

Throws:

SQLException

onResultSetClosed

public void onResultSetClosed(ResultSetImpl resultSet)
                       throws SQLException

Throws:

SQLException

isCloseOnCompletion

public boolean isCloseOnCompletion()
                            throws SQLException

Specified by:

isCloseOnCompletion in interface Statement

Throws:

SQLException

getLargeUpdateCount

public long getLargeUpdateCount()
                         throws SQLException

Specified by:

getLargeUpdateCount in interface Statement

Throws:

SQLException

setLargeMaxRows

public void setLargeMaxRows(long max)
                     throws SQLException

Specified by:

setLargeMaxRows in interface Statement

Throws:

SQLException

getLargeMaxRows

public long getLargeMaxRows()
                     throws SQLException

Specified by:

getLargeMaxRows in interface Statement

Throws:

SQLException

executeLargeBatch

public long[] executeLargeBatch()
                         throws SQLException

Specified by:

executeLargeBatch in interface Statement

Throws:

SQLException

executeLargeUpdate

public long executeLargeUpdate(String sql)
                        throws SQLException

Specified by:

executeLargeUpdate in interface Statement

Throws:

SQLException

executeLargeUpdate

public long executeLargeUpdate(String sql,
 int autoGeneratedKeys)
                        throws SQLException

Specified by:

executeLargeUpdate in interface Statement

Throws:

SQLException

executeLargeUpdate

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

Specified by:

executeLargeUpdate in interface Statement

Throws:

SQLException

executeLargeUpdate

public long executeLargeUpdate(String sql,
 String[] columnNames)
                        throws SQLException

Specified by:

executeLargeUpdate in interface Statement

Throws:

SQLException

getLastQueryId

public String getLastQueryId()

Return query ID of last executed statement. It is not guaranteed when statements is used concurrently.

Returns:

query ID