com.singlestore.jdbc

Class Connection

java.lang.Object

com.singlestore.jdbc.Connection

All Implemented Interfaces:

AutoCloseable, Connection, Wrapper

public class Connection
extends Object
implements Connection

Field Summary

Fields inherited from interface java.sql.Connection

TRANSACTION_NONE, TRANSACTION_READ_COMMITTED, TRANSACTION_READ_UNCOMMITTED, TRANSACTION_REPEATABLE_READ, TRANSACTION_SERIALIZABLE

Constructor Summary

Constructors

Constructor and Description
Connection(Configuration conf, ClosableLock lock, com.singlestore.jdbc.client.Client client)

Method Summary

Modifier and Type	Method and Description
void	abort(Executor executor)
void	cancelCurrentQuery() Cancels the current query - clones the current protocol and executes a query using the new connection.
void	clearWarnings()
void	close()
void	commit()
Array	createArrayOf(String typeName, Object elements)
Array	createArrayOf(String typeName, Object[] elements)
Blob	createBlob()
Clob	createClob()
NClob	createNClob()
SQLXML	createSQLXML()
Statement	createStatement()
Statement	createStatement(int resultSetType, int resultSetConcurrency)
Statement	createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability)
Struct	createStruct(String typeName, Object[] attributes)
void	fireStatementClosed(PreparedStatement prep) Fire event to indicate to StatementEventListeners registered on the connection that a PreparedStatement is closed.
boolean	getAutoCommit()
String	getCatalog()
com.singlestore.jdbc.client.Client	getClient()
Properties	getClientInfo()
String	getClientInfo(String name)
com.singlestore.jdbc.client.Context	getContext() Connection context.
protected ExceptionFactory	getExceptionFactory()
int	getHoldability()
DatabaseMetaData	getMetaData()
int	getNetworkTimeout()
String	getSchema()
long	getSqlSelectLimit() Get current sql select limit value.
boolean	getTableNameCaseSensitivity() Are table case sensitive or not.
long	getThreadId() Current server thread id.
int	getTransactionIsolation()
Map<String,Class<?>>	getTypeMap()
SQLWarning	getWarnings()
QueryTimeoutHandler	handleTimeout(int queryTimeout) Return a QueryTimeoutHandler.
boolean	isClosed()
boolean	isReadOnly()
boolean	isValid(int timeout)
boolean	isWrapperFor(Class<?> iface)
String	nativeSQL(String sql)
CallableStatement	prepareCall(String sql)
CallableStatement	prepareCall(String sql, int resultSetType, int resultSetConcurrency)
CallableStatement	prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability)
PreparedStatement	prepareInternal(String sql, int autoGeneratedKeys, int resultSetType, int resultSetConcurrency, boolean useBinary) Prepare statement creation
PreparedStatement	prepareStatement(String sql)
PreparedStatement	prepareStatement(String sql, int autoGeneratedKeys)
PreparedStatement	prepareStatement(String sql, int[] columnIndexes)
PreparedStatement	prepareStatement(String sql, int resultSetType, int resultSetConcurrency)
PreparedStatement	prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability)
PreparedStatement	prepareStatement(String sql, String[] columnNames)
void	releaseSavepoint(Savepoint savepoint)
void	reset() Reset connection set has it was after creating a "fresh" new connection.
void	rollback()
void	rollback(Savepoint savepoint)
void	setAutoCommit(boolean autoCommit)
void	setCatalog(String catalog)
void	setClientInfo(Properties properties)
void	setClientInfo(String name, String value)
void	setHoldability(int holdability)
void	setNetworkTimeout(Executor executor, int milliseconds)
void	setPoolConnection(SingleStorePoolConnection poolConnection)
void	setReadOnly(boolean readOnly)
Savepoint	setSavepoint()
Savepoint	setSavepoint(String name)
void	setSchema(String schema)
void	setSqlSelectLimit(long maxRows) Set sql select limit session engine variable.
void	setTransactionIsolation(int level)
void	setTypeMap(Map<String,Class<?>> map)
<T> T	unwrap(Class<T> iface)

Methods inherited from class java.lang.Object

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

Constructor Detail

Connection

public Connection(Configuration conf,
                  ClosableLock lock,
                  com.singlestore.jdbc.client.Client client)

Method Detail

setPoolConnection

public void setPoolConnection(SingleStorePoolConnection poolConnection)

cancelCurrentQuery

public void cancelCurrentQuery()
                        throws SQLException

Cancels the current query - clones the current protocol and executes a query using the new connection.

Throws:

SQLException - never thrown

setSqlSelectLimit

public void setSqlSelectLimit(long maxRows)
                       throws SQLException

Set sql select limit session engine variable.

Parameters:

maxRows - limit of rows

Throws:

SQLException

getSqlSelectLimit

public long getSqlSelectLimit()

Get current sql select limit value.

Returns:

sql select limit

createStatement

public Statement createStatement()

Specified by:

createStatement in interface Connection

prepareStatement

public PreparedStatement prepareStatement(String sql)
                                   throws SQLException

Specified by:

prepareStatement in interface Connection

Throws:

SQLException

prepareInternal

public PreparedStatement prepareInternal(String sql,
                                         int autoGeneratedKeys,
                                         int resultSetType,
                                         int resultSetConcurrency,
                                         boolean useBinary)
                                  throws SQLException

Prepare statement creation

Parameters:

sql - sql

autoGeneratedKeys - auto generated key required

resultSetType - result-set type

resultSetConcurrency - concurrency

useBinary - use server prepare statement

Returns:

prepared statement

Throws:

SQLException - if Prepare fails

prepareCall

public CallableStatement prepareCall(String sql)
                              throws SQLException

Specified by:

prepareCall in interface Connection

Throws:

SQLException

nativeSQL

public String nativeSQL(String sql)
                 throws SQLException

Specified by:

nativeSQL in interface Connection

Throws:

SQLException

getAutoCommit

public boolean getAutoCommit()

Specified by:

getAutoCommit in interface Connection

setAutoCommit

public void setAutoCommit(boolean autoCommit)
                   throws SQLException

Specified by:

setAutoCommit in interface Connection

Throws:

SQLException

commit

public void commit()
            throws SQLException

Specified by:

commit in interface Connection

Throws:

SQLException

rollback

public void rollback()
              throws SQLException

Specified by:

rollback in interface Connection

Throws:

SQLException

close

public void close()
           throws SQLException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Connection

Throws:

SQLException

isClosed

public boolean isClosed()

Specified by:

isClosed in interface Connection

getContext

public com.singlestore.jdbc.client.Context getContext()

Connection context.

Returns:

connection context.

getTableNameCaseSensitivity

public boolean getTableNameCaseSensitivity()
                                    throws SQLException

Are table case sensitive or not.

Returns:

boolean value.

Throws:

SQLException - if a connection error occur

getMetaData

public DatabaseMetaData getMetaData()

Specified by:

getMetaData in interface Connection

isReadOnly

public boolean isReadOnly()

Specified by:

isReadOnly in interface Connection

setReadOnly

public void setReadOnly(boolean readOnly)
                 throws SQLException

Specified by:

setReadOnly in interface Connection

Throws:

SQLException

getCatalog

public String getCatalog()
                  throws SQLException

Specified by:

getCatalog in interface Connection

Throws:

SQLException

setCatalog

public void setCatalog(String catalog)
                throws SQLException

Specified by:

setCatalog in interface Connection

Throws:

SQLException

getTransactionIsolation

public int getTransactionIsolation()

Specified by:

getTransactionIsolation in interface Connection

setTransactionIsolation

public void setTransactionIsolation(int level)
                             throws SQLException

Specified by:

setTransactionIsolation in interface Connection

Throws:

SQLException

getWarnings

public SQLWarning getWarnings()
                       throws SQLException

Specified by:

getWarnings in interface Connection

Throws:

SQLException

clearWarnings

public void clearWarnings()

Specified by:

clearWarnings in interface Connection

createStatement

public Statement createStatement(int resultSetType,
                                 int resultSetConcurrency)
                          throws SQLException

Specified by:

createStatement in interface Connection

Throws:

SQLException

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                          int resultSetType,
                                          int resultSetConcurrency)
                                   throws SQLException

Specified by:

prepareStatement in interface Connection

Throws:

SQLException

prepareCall

public CallableStatement prepareCall(String sql,
                                     int resultSetType,
                                     int resultSetConcurrency)
                              throws SQLException

Specified by:

prepareCall in interface Connection

Throws:

SQLException

getTypeMap

public Map<String,Class<?>> getTypeMap()

Specified by:

getTypeMap in interface Connection

setTypeMap

public void setTypeMap(Map<String,Class<?>> map)
                throws SQLException

Specified by:

setTypeMap in interface Connection

Throws:

SQLException

getHoldability

public int getHoldability()

Specified by:

getHoldability in interface Connection

setHoldability

public void setHoldability(int holdability)

Specified by:

setHoldability in interface Connection

setSavepoint

public Savepoint setSavepoint()
                       throws SQLException

Specified by:

setSavepoint in interface Connection

Throws:

SQLException

setSavepoint

public Savepoint setSavepoint(String name)
                       throws SQLException

Specified by:

setSavepoint in interface Connection

Throws:

SQLException

rollback

public void rollback(Savepoint savepoint)
              throws SQLException

Specified by:

rollback in interface Connection

Throws:

SQLException

releaseSavepoint

public void releaseSavepoint(Savepoint savepoint)
                      throws SQLException

Specified by:

releaseSavepoint in interface Connection

Throws:

SQLException

createStatement

public Statement createStatement(int resultSetType,
                                 int resultSetConcurrency,
                                 int resultSetHoldability)
                          throws SQLException

Specified by:

createStatement in interface Connection

Throws:

SQLException

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                          int resultSetType,
                                          int resultSetConcurrency,
                                          int resultSetHoldability)
                                   throws SQLException

Specified by:

prepareStatement in interface Connection

Throws:

SQLException

prepareCall

public CallableStatement prepareCall(String sql,
                                     int resultSetType,
                                     int resultSetConcurrency,
                                     int resultSetHoldability)
                              throws SQLException

Specified by:

prepareCall in interface Connection

Throws:

SQLException

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                          int autoGeneratedKeys)
                                   throws SQLException

Specified by:

prepareStatement in interface Connection

Throws:

SQLException

prepareStatement

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

Specified by:

prepareStatement in interface Connection

Throws:

SQLException

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                          String[] columnNames)
                                   throws SQLException

Specified by:

prepareStatement in interface Connection

Throws:

SQLException

createClob

public Clob createClob()

Specified by:

createClob in interface Connection

createBlob

public Blob createBlob()

Specified by:

createBlob in interface Connection

createNClob

public NClob createNClob()

Specified by:

createNClob in interface Connection

createSQLXML

public SQLXML createSQLXML()
                    throws SQLException

Specified by:

createSQLXML in interface Connection

Throws:

SQLException

isValid

public boolean isValid(int timeout)
                throws SQLException

Specified by:

isValid in interface Connection

Throws:

SQLException

setClientInfo

public void setClientInfo(String name,
                          String value)

Specified by:

setClientInfo in interface Connection

getClientInfo

public String getClientInfo(String name)

Specified by:

getClientInfo in interface Connection

getClientInfo

public Properties getClientInfo()

Specified by:

getClientInfo in interface Connection

setClientInfo

public void setClientInfo(Properties properties)

Specified by:

setClientInfo in interface Connection

createArrayOf

public Array createArrayOf(String typeName,
                           Object[] elements)
                    throws SQLException

Specified by:

createArrayOf in interface Connection

Throws:

SQLException

createArrayOf

public Array createArrayOf(String typeName,
                           Object elements)
                    throws SQLException

Throws:

SQLException

createStruct

public Struct createStruct(String typeName,
                           Object[] attributes)
                    throws SQLException

Specified by:

createStruct in interface Connection

Throws:

SQLException

getSchema

public String getSchema()

Specified by:

getSchema in interface Connection

setSchema

public void setSchema(String schema)

Specified by:

setSchema in interface Connection

abort

public void abort(Executor executor)
           throws SQLException

Specified by:

abort in interface Connection

Throws:

SQLException

setNetworkTimeout

public void setNetworkTimeout(Executor executor,
                              int milliseconds)
                       throws SQLException

Specified by:

setNetworkTimeout in interface Connection

Throws:

SQLException

getNetworkTimeout

public int getNetworkTimeout()

Specified by:

getNetworkTimeout in interface Connection

unwrap

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

Specified by:

unwrap in interface Wrapper

Throws:

SQLException

isWrapperFor

public boolean isWrapperFor(Class<?> iface)

Specified by:

isWrapperFor in interface Wrapper

getClient

public com.singlestore.jdbc.client.Client getClient()

reset

public void reset()
           throws SQLException

Reset connection set has it was after creating a "fresh" new connection. defaultTransactionIsolation must have been initialized.

BUT : - session variable state are reset only if option useResetConnection is set and - if using the option "useServerPrepStmts", PREPARE statement are still prepared

Throws:

SQLException - if resetting operation failed

getThreadId

public long getThreadId()

Current server thread id.

Returns:

current server thread id

fireStatementClosed

public void fireStatementClosed(PreparedStatement prep)

Fire event to indicate to StatementEventListeners registered on the connection that a PreparedStatement is closed.

Parameters:

prep - prepare statement closing

getExceptionFactory

protected ExceptionFactory getExceptionFactory()

handleTimeout

public QueryTimeoutHandler handleTimeout(int queryTimeout)

Return a QueryTimeoutHandler.

Parameters:

queryTimeout - query timeout

Returns:

a query timeout handler