tech.ydb.jdbc.impl

Class YdbConnectionImpl

java.lang.Object

tech.ydb.jdbc.impl.YdbConnectionImpl

All Implemented Interfaces:

AutoCloseable, Connection, Wrapper, YdbConnection

public class YdbConnectionImpl
extends Object
implements YdbConnection

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
YdbConnectionImpl(YdbContext context)

Method Summary

Modifier and Type	Method and Description
void	abort(Executor executor)
void	clearWarnings()
void	close()
void	commit()
Array	createArrayOf(String typeName, Object[] elements)
Blob	createBlob()
Clob	createClob()
NClob	createNClob()
SQLXML	createSQLXML()
YdbStatement	createStatement()
YdbStatement	createStatement(int resultSetType, int resultSetConcurrency)
YdbStatement	createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability)
Struct	createStruct(String typeName, Object[] attributes)
List<tech.ydb.table.result.ResultSetReader>	executeDataQuery(String yql, YdbValidator validator, int timeout, boolean poolable, tech.ydb.table.query.Params params) Explicitly execute query as a data query
ExplainedQuery	executeExplainQuery(String yql, YdbValidator validator) Explicitly explain this query
tech.ydb.table.result.ResultSetReader	executeScanQuery(String yql, YdbValidator validator, tech.ydb.table.query.Params params) Explicitly execute query as a scan query
void	executeSchemeQuery(String yql, YdbValidator validator) Explicitly execute query as a schema query
boolean	getAutoCommit()
String	getCatalog()
Properties	getClientInfo()
String	getClientInfo(String name)
YdbContext	getCtx()
int	getHoldability()
YdbDatabaseMetaData	getMetaData()
int	getNetworkTimeout()
String	getSchema()
int	getTransactionIsolation()
Map<String,Class<?>>	getTypeMap()
SQLWarning	getWarnings()
String	getYdbTxId() Return current YDB transaction, if exists
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)
YdbPreparedStatement	prepareStatement(String sql) Prepares statement depending on driver settings
YdbPreparedStatement	prepareStatement(String sql, int autoGeneratedKeys)
YdbPreparedStatement	prepareStatement(String sql, int[] columnIndexes)
YdbPreparedStatement	prepareStatement(String sql, int resultSetType, int resultSetConcurrency)
YdbPreparedStatement	prepareStatement(String origSql, int resultSetType, int resultSetConcurrency, int resultSetHoldability)
YdbPreparedStatement	prepareStatement(String sql, String[] columnNames)
YdbPreparedStatement	prepareStatement(String sql, YdbPrepareMode mode) Prepares statement with explicit configuration
void	releaseSavepoint(Savepoint savepoint)
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	setReadOnly(boolean readOnly)
Savepoint	setSavepoint()
Savepoint	setSavepoint(String name)
void	setSchema(String schema)
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

YdbConnectionImpl

public YdbConnectionImpl(YdbContext context)
                  throws SQLException

Throws:

SQLException

Method Detail

createStatement

public YdbStatement createStatement()
                             throws SQLException

Specified by:

createStatement in interface Connection

Specified by:

createStatement in interface YdbConnection

Throws:

SQLException

prepareStatement

public YdbPreparedStatement prepareStatement(String sql)
                                      throws SQLException

Description copied from interface: YdbConnection

Prepares statement depending on driver settings

Specified by:

prepareStatement in interface Connection

Specified by:

prepareStatement in interface YdbConnection

Parameters:

sql - sql to execute

Returns:

statement

Throws:

SQLException - in case of any internal error

nativeSQL

public String nativeSQL(String sql)

Specified by:

nativeSQL in interface Connection

setAutoCommit

public void setAutoCommit(boolean autoCommit)
                   throws SQLException

Specified by:

setAutoCommit in interface Connection

Throws:

SQLException

getAutoCommit

public boolean getAutoCommit()
                      throws SQLException

Specified by:

getAutoCommit 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

getMetaData

public YdbDatabaseMetaData getMetaData()

Specified by:

getMetaData in interface Connection

Specified by:

getMetaData in interface YdbConnection

setReadOnly

public void setReadOnly(boolean readOnly)
                 throws SQLException

Specified by:

setReadOnly in interface Connection

Throws:

SQLException

isReadOnly

public boolean isReadOnly()
                   throws SQLException

Specified by:

isReadOnly in interface Connection

Throws:

SQLException

setCatalog

public void setCatalog(String catalog)

Specified by:

setCatalog in interface Connection

getCatalog

public String getCatalog()

Specified by:

getCatalog in interface Connection

setTransactionIsolation

public void setTransactionIsolation(int level)
                             throws SQLException

Specified by:

setTransactionIsolation in interface Connection

Throws:

SQLException

getTransactionIsolation

public int getTransactionIsolation()
                            throws SQLException

Specified by:

getTransactionIsolation in interface Connection

Throws:

SQLException

getWarnings

public SQLWarning getWarnings()
                       throws SQLException

Specified by:

getWarnings in interface Connection

Throws:

SQLException

clearWarnings

public void clearWarnings()
                   throws SQLException

Specified by:

clearWarnings in interface Connection

Throws:

SQLException

executeSchemeQuery

public void executeSchemeQuery(String yql,
                               YdbValidator validator)
                        throws SQLException

Description copied from interface: YdbConnection

Explicitly execute query as a schema query

Specified by:

executeSchemeQuery in interface YdbConnection

Parameters:

yql - query (DDL) to execute

validator - handler for logging and warnings

Throws:

SQLException - if query cannot be executed

executeDataQuery

public List<tech.ydb.table.result.ResultSetReader> executeDataQuery(String yql,
                                                                    YdbValidator validator,
                                                                    int timeout,
                                                                    boolean poolable,
                                                                    tech.ydb.table.query.Params params)
                                                             throws SQLException

Description copied from interface: YdbConnection

Explicitly execute query as a data query

Specified by:

executeDataQuery in interface YdbConnection

Parameters:

yql - query to execute

validator - handler for logging and warnings

timeout - timeout of operation

poolable - flag to store query in server-side cache

params - parameters for query

Returns:

list of result set

Throws:

SQLException - if query cannot be executed

executeScanQuery

public tech.ydb.table.result.ResultSetReader executeScanQuery(String yql,
                                                              YdbValidator validator,
                                                              tech.ydb.table.query.Params params)
                                                       throws SQLException

Description copied from interface: YdbConnection

Explicitly execute query as a scan query

Specified by:

executeScanQuery in interface YdbConnection

Parameters:

yql - query to execute

validator - handler for logging and warnings

params - parameters for query

Returns:

single result set with rows

Throws:

SQLException - if query cannot be executed

executeExplainQuery

public ExplainedQuery executeExplainQuery(String yql,
                                          YdbValidator validator)
                                   throws SQLException

Description copied from interface: YdbConnection

Explicitly explain this query

Specified by:

executeExplainQuery in interface YdbConnection

Parameters:

yql - query to explain

validator - handler for logging and warnings

Returns:

list of result set of two string columns: YdbConst.EXPLAIN_COLUMN_AST and YdbConst.EXPLAIN_COLUMN_PLAN

Throws:

SQLException - if query cannot be explained

createStatement

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

Specified by:

createStatement in interface Connection

Specified by:

createStatement in interface YdbConnection

Throws:

SQLException

prepareStatement

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

Specified by:

prepareStatement in interface Connection

Specified by:

prepareStatement in interface YdbConnection

Throws:

SQLException

getTypeMap

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

Specified by:

getTypeMap in interface Connection

setTypeMap

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

Specified by:

setTypeMap in interface Connection

setHoldability

public void setHoldability(int holdability)
                    throws SQLException

Specified by:

setHoldability in interface Connection

Throws:

SQLException

getHoldability

public int getHoldability()
                   throws SQLException

Specified by:

getHoldability in interface Connection

Throws:

SQLException

createStatement

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

Specified by:

createStatement in interface Connection

Specified by:

createStatement in interface YdbConnection

Throws:

SQLException

prepareStatement

public YdbPreparedStatement prepareStatement(String origSql,
                                             int resultSetType,
                                             int resultSetConcurrency,
                                             int resultSetHoldability)
                                      throws SQLException

Specified by:

prepareStatement in interface Connection

Specified by:

prepareStatement in interface YdbConnection

Throws:

SQLException

prepareStatement

public YdbPreparedStatement prepareStatement(String sql,
                                             YdbPrepareMode mode)
                                      throws SQLException

Description copied from interface: YdbConnection

Prepares statement with explicit configuration

Specified by:

prepareStatement in interface YdbConnection

Parameters:

sql - sql to prepare

mode - prepare mode

Returns:

prepared statement

Throws:

SQLException - in case of any internal error

prepareStatement

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

Specified by:

prepareStatement in interface Connection

Specified by:

prepareStatement in interface YdbConnection

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

setClientInfo

public void setClientInfo(Properties properties)

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

setSchema

public void setSchema(String schema)

Specified by:

setSchema in interface Connection

getSchema

public String getSchema()

Specified by:

getSchema in interface Connection

getNetworkTimeout

public int getNetworkTimeout()
                      throws SQLException

Specified by:

getNetworkTimeout in interface Connection

Throws:

SQLException

getYdbTxId

public String getYdbTxId()

Description copied from interface: YdbConnection

Return current YDB transaction, if exists

Specified by:

getYdbTxId in interface YdbConnection

Returns:

YDB transaction ID or null, if no transaction started

getCtx

public YdbContext getCtx()

Specified by:

getCtx in interface YdbConnection

prepareCall

public CallableStatement prepareCall(String sql)
                              throws SQLException

Specified by:

prepareCall 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

prepareCall

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

Specified by:

prepareCall in interface Connection

Throws:

SQLException

prepareStatement

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

Specified by:

prepareStatement in interface Connection

Specified by:

prepareStatement in interface YdbConnection

Throws:

SQLException

prepareStatement

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

Specified by:

prepareStatement in interface Connection

Specified by:

prepareStatement in interface YdbConnection

Throws:

SQLException

createClob

public Clob createClob()
                throws SQLException

Specified by:

createClob in interface Connection

Throws:

SQLException

createBlob

public Blob createBlob()
                throws SQLException

Specified by:

createBlob in interface Connection

Throws:

SQLException

createNClob

public NClob createNClob()
                  throws SQLException

Specified by:

createNClob in interface Connection

Throws:

SQLException

createSQLXML

public SQLXML createSQLXML()
                    throws SQLException

Specified by:

createSQLXML in interface Connection

Throws:

SQLException

createArrayOf

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

Specified by:

createArrayOf in interface Connection

Throws:

SQLException

createStruct

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

Specified by:

createStruct in interface Connection

Throws:

SQLException

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

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

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