tech.ydb.jdbc.impl

Class BaseYdbStatement

java.lang.Object

tech.ydb.jdbc.impl.BaseYdbStatement

All Implemented Interfaces:

AutoCloseable, Statement, Wrapper, YdbStatement

Direct Known Subclasses:

YdbPreparedStatementImpl, YdbStatementImpl

public abstract class BaseYdbStatement
extends Object
implements YdbStatement

Author:

Aleksandr Gorshenin

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	BaseYdbStatement.YdbResult

Field Summary

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 and Description
BaseYdbStatement(Logger logger, YdbConnection connection, int resultSetType, boolean isPoolable)

Method Summary

Modifier and Type	Method and Description
void	cancel()
protected void	cleanState()
void	clearWarnings()
void	close()
void	closeOnCompletion()
protected List<BaseYdbStatement.YdbResult>	executeDataQuery(YdbQuery query, String yql, tech.ydb.table.query.Params params)
protected List<BaseYdbStatement.YdbResult>	executeExplainQuery(YdbQuery query)
protected List<BaseYdbStatement.YdbResult>	executeScanQuery(String yql, tech.ydb.table.query.Params params)
protected List<BaseYdbStatement.YdbResult>	executeSchemeQuery(YdbQuery query)
YdbConnection	getConnection()
int	getFetchDirection()
int	getFetchSize()
ResultSet	getGeneratedKeys()
int	getMaxFieldSize()
int	getMaxRows()
boolean	getMoreResults()
boolean	getMoreResults(int current)
int	getQueryTimeout()
YdbResultSet	getResultSet()
YdbResultSet	getResultSetAt(int resultSetIndex) Cant return previous results sets after Statement.getMoreResults() traverse, in case previous rows were not removed by providing Statement.CLOSE_ALL_RESULTS or Statement.CLOSE_CURRENT_RESULT
int	getResultSetConcurrency()
int	getResultSetHoldability()
int	getResultSetType()
int	getUpdateCount()
SQLWarning	getWarnings()
boolean	isClosed()
boolean	isCloseOnCompletion()
boolean	isPoolable()
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)
protected boolean	updateState(List<BaseYdbStatement.YdbResult> results)

Methods inherited from class java.lang.Object

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

Methods inherited from interface tech.ydb.jdbc.YdbStatement

executeExplainQuery, executeQuery, executeScanQuery, executeSchemeQuery

Methods inherited from interface java.sql.Statement

addBatch, clearBatch, execute, execute, execute, execute, executeBatch, executeLargeBatch, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, executeUpdate, executeUpdate, executeUpdate, executeUpdate, getLargeMaxRows, getLargeUpdateCount, setLargeMaxRows

Methods inherited from interface java.sql.Wrapper

isWrapperFor, unwrap

Constructor Detail

BaseYdbStatement

public BaseYdbStatement(Logger logger,
                        YdbConnection connection,
                        int resultSetType,
                        boolean isPoolable)

Method Detail

getConnection

public YdbConnection getConnection()

Specified by:

getConnection in interface Statement

Specified by:

getConnection in interface YdbStatement

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Statement

isClosed

public boolean isClosed()

Specified by:

isClosed in interface Statement

getResultSetType

public int getResultSetType()

Specified by:

getResultSetType in interface Statement

getWarnings

public SQLWarning getWarnings()

Specified by:

getWarnings in interface Statement

clearWarnings

public void clearWarnings()

Specified by:

clearWarnings in interface Statement

getQueryTimeout

public int getQueryTimeout()

Specified by:

getQueryTimeout in interface Statement

setQueryTimeout

public void setQueryTimeout(int seconds)
                     throws SQLException

Specified by:

setQueryTimeout in interface Statement

Throws:

SQLException

setPoolable

public void setPoolable(boolean poolable)

Specified by:

setPoolable in interface Statement

isPoolable

public boolean isPoolable()

Specified by:

isPoolable in interface Statement

getMaxRows

public int getMaxRows()

Specified by:

getMaxRows in interface Statement

setMaxRows

public void setMaxRows(int max)

Specified by:

setMaxRows in interface Statement

getResultSet

public YdbResultSet getResultSet()
                          throws SQLException

Specified by:

getResultSet in interface Statement

Specified by:

getResultSet in interface YdbStatement

Throws:

SQLException

getResultSetAt

public YdbResultSet getResultSetAt(int resultSetIndex)
                            throws SQLException

Description copied from interface: YdbStatement

Cant return previous results sets after Statement.getMoreResults() traverse, in case previous rows were not removed by providing Statement.CLOSE_ALL_RESULTS or Statement.CLOSE_CURRENT_RESULT

Specified by:

getResultSetAt in interface YdbStatement

Parameters:

resultSetIndex - index

Returns:

optional result (if traversed before) with Statement.getMoreResults()

Throws:

SQLException - when trying to get result set on closed connection

getMoreResults

public boolean getMoreResults(int current)
                       throws SQLException

Specified by:

getMoreResults in interface Statement

Throws:

SQLException

getUpdateCount

public int getUpdateCount()
                   throws SQLException

Specified by:

getUpdateCount in interface Statement

Throws:

SQLException

cleanState

protected void cleanState()
                   throws SQLException

Throws:

SQLException

updateState

protected boolean updateState(List<BaseYdbStatement.YdbResult> results)

executeSchemeQuery

protected List<BaseYdbStatement.YdbResult> executeSchemeQuery(YdbQuery query)
                                                       throws SQLException

Throws:

SQLException

executeExplainQuery

protected List<BaseYdbStatement.YdbResult> executeExplainQuery(YdbQuery query)
                                                        throws SQLException

Throws:

SQLException

executeScanQuery

protected List<BaseYdbStatement.YdbResult> executeScanQuery(String yql,
                                                            tech.ydb.table.query.Params params)
                                                     throws SQLException

Throws:

SQLException

executeDataQuery

protected List<BaseYdbStatement.YdbResult> executeDataQuery(YdbQuery query,
                                                            String yql,
                                                            tech.ydb.table.query.Params params)
                                                     throws SQLException

Throws:

SQLException

setCursorName

public void setCursorName(String name)
                   throws SQLFeatureNotSupportedException

Specified by:

setCursorName in interface Statement

Throws:

SQLFeatureNotSupportedException

getGeneratedKeys

public ResultSet getGeneratedKeys()
                           throws SQLException

Specified by:

getGeneratedKeys in interface Statement

Throws:

SQLException

getResultSetHoldability

public int getResultSetHoldability()

Specified by:

getResultSetHoldability in interface Statement

closeOnCompletion

public void closeOnCompletion()

Specified by:

closeOnCompletion in interface Statement

isCloseOnCompletion

public boolean isCloseOnCompletion()

Specified by:

isCloseOnCompletion in interface Statement

getMaxFieldSize

public int getMaxFieldSize()

Specified by:

getMaxFieldSize in interface Statement

setMaxFieldSize

public void setMaxFieldSize(int max)

Specified by:

setMaxFieldSize in interface Statement

setEscapeProcessing

public void setEscapeProcessing(boolean enable)

Specified by:

setEscapeProcessing in interface Statement

cancel

public void cancel()

Specified by:

cancel in interface Statement

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()

Specified by:

getFetchDirection in interface Statement

setFetchSize

public void setFetchSize(int rows)

Specified by:

setFetchSize in interface Statement

getFetchSize

public int getFetchSize()

Specified by:

getFetchSize in interface Statement

getResultSetConcurrency

public int getResultSetConcurrency()

Specified by:

getResultSetConcurrency in interface Statement