nl.topicus.jdbc.statement

Class CloudSpannerPreparedStatement

java.lang.Object

nl.topicus.jdbc.metadata.AbstractCloudSpannerWrapper

nl.topicus.jdbc.AbstractCloudSpannerFetcher

nl.topicus.jdbc.statement.CloudSpannerStatement

nl.topicus.jdbc.statement.AbstractCloudSpannerPreparedStatement

nl.topicus.jdbc.statement.CloudSpannerPreparedStatement

All Implemented Interfaces:

AutoCloseable, PreparedStatement, Statement, Wrapper

public class CloudSpannerPreparedStatement
extends AbstractCloudSpannerPreparedStatement

Author:

loite

Nested Class Summary

Nested classes/interfaces inherited from class nl.topicus.jdbc.statement.CloudSpannerStatement

CloudSpannerStatement.CustomDriverStatement

Field Summary

Fields inherited from class nl.topicus.jdbc.statement.CloudSpannerStatement

lastResultSet, lastUpdateCount

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
CloudSpannerPreparedStatement(String sql, CloudSpannerConnection connection, com.google.cloud.spanner.DatabaseClient dbClient)

Method Summary

Modifier and Type	Method and Description
void	addBatch()
void	cancel()
protected void	checkClosed()
void	clearBatch()
void	clearWarnings()
void	close()
void	closeOnCompletion()
protected String	createInsertSelectOnDuplicateKeyUpdateStatement(net.sf.jsqlparser.statement.update.Update update) Transform the given UPDATE-statement into an "INSERT INTO TAB1 (...) SELECT ...
protected void	determineForceSingleUseReadContext(net.sf.jsqlparser.statement.select.Select select) Determines whether the given sql statement must be executed in a single use read context.
boolean	execute()
int[]	executeBatch()
ResultSet	executeQuery()
ResultSet	executeQuery(String sql)
int	executeUpdate()
CloudSpannerConnection	getConnection()
ResultSet	getGeneratedKeys()
int	getMaxFieldSize()
int	getMaxRows()
CloudSpannerParameterMetaData	getParameterMetaData()
int	getQueryTimeout()
protected com.google.cloud.spanner.ReadContext	getReadContext()
int	getResultSetConcurrency()
int	getResultSetHoldability()
int	getResultSetType()
SQLWarning	getWarnings()
boolean	isClosed()
boolean	isCloseOnCompletion()
boolean	isForceSingleUseReadContext()
boolean	isPoolable()
protected String	quoteIdentifier(String identifier)
protected String	sanitizeSQL(String sql)
void	setCursorName(String name)
void	setEscapeProcessing(boolean enable)
void	setForceSingleUseReadContext(boolean forceSingleUseReadContext)
void	setMaxFieldSize(int max)
void	setMaxRows(int max)
void	setPoolable(boolean poolable)
void	setQueryTimeout(int seconds)
protected String	unquoteIdentifier(String identifier)
protected long	writeMutations(nl.topicus.jdbc.statement.Mutations mutations)

Methods inherited from class nl.topicus.jdbc.statement.AbstractCloudSpannerPreparedStatement

clearParameters, getMetaData, getParameterStore, setArray, setAsciiStream, setAsciiStream, setAsciiStream, setBigDecimal, setBinaryStream, setBinaryStream, setBinaryStream, setBlob, setBlob, setBlob, setBoolean, setByte, setBytes, setCharacterStream, setCharacterStream, setCharacterStream, setClob, setClob, setClob, setDate, setDate, setDouble, setFloat, setInt, setLong, setNCharacterStream, setNCharacterStream, setNClob, setNClob, setNClob, setNString, setNull, setNull, setObject, setObject, setObject, setRef, setRowId, setShort, setSQLXML, setString, setTime, setTime, setTimestamp, setTimestamp, setUnicodeStream, setURL

Methods inherited from class nl.topicus.jdbc.statement.CloudSpannerStatement

addBatch, execute, execute, execute, execute, executeDDL, executeDDL, executeUpdate, executeUpdate, executeUpdate, executeUpdate, formatDDLStatement, getBatch, getCurrentBatchMode, getCustomDriverStatement, getMoreResults, getMoreResults, getResultSet, getTokens, getTokens, getUpdateCount, isDDLStatement, isSelectStatement, removeComments

Methods inherited from class nl.topicus.jdbc.AbstractCloudSpannerFetcher

getFetchDirection, getFetchSize, setFetchDirection, setFetchSize

Methods inherited from class nl.topicus.jdbc.metadata.AbstractCloudSpannerWrapper

extractColumnType, getClassName, getGoogleTypeName, isWrapperFor, unwrap

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.sql.PreparedStatement

executeLargeUpdate, setObject, setObject

Methods inherited from interface java.sql.Statement

addBatch, cancel, clearWarnings, close, closeOnCompletion, execute, execute, execute, execute, executeLargeBatch, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, executeUpdate, executeUpdate, executeUpdate, executeUpdate, getConnection, getFetchDirection, getFetchSize, getGeneratedKeys, getLargeMaxRows, getLargeUpdateCount, getMaxFieldSize, getMaxRows, getMoreResults, getMoreResults, getQueryTimeout, getResultSet, getResultSetConcurrency, getResultSetHoldability, getResultSetType, getUpdateCount, getWarnings, isClosed, isCloseOnCompletion, isPoolable, setCursorName, setEscapeProcessing, setFetchDirection, setFetchSize, setLargeMaxRows, setMaxFieldSize, setMaxRows, setPoolable, setQueryTimeout

Methods inherited from interface java.sql.Wrapper

isWrapperFor, unwrap

Constructor Detail

CloudSpannerPreparedStatement

public CloudSpannerPreparedStatement(String sql,
                                     CloudSpannerConnection connection,
                                     com.google.cloud.spanner.DatabaseClient dbClient)

Method Detail

executeQuery

public ResultSet executeQuery(String sql)
                       throws SQLException

Specified by:

executeQuery in interface Statement

Overrides:

executeQuery in class CloudSpannerStatement

Throws:

SQLException

executeQuery

public ResultSet executeQuery()
                       throws SQLException

Throws:

SQLException

addBatch

public void addBatch()
              throws SQLException

Throws:

SQLException

clearBatch

public void clearBatch()
                throws SQLException

Specified by:

clearBatch in interface Statement

Overrides:

clearBatch in class CloudSpannerStatement

Throws:

SQLException

executeBatch

public int[] executeBatch()
                   throws SQLException

Specified by:

executeBatch in interface Statement

Overrides:

executeBatch in class CloudSpannerStatement

Throws:

SQLException

executeUpdate

public int executeUpdate()
                  throws SQLException

Throws:

SQLException

execute

public boolean execute()
                throws SQLException

Throws:

SQLException

getParameterMetaData

public CloudSpannerParameterMetaData getParameterMetaData()
                                                   throws SQLException

Throws:

SQLException

sanitizeSQL

protected String sanitizeSQL(String sql)

createInsertSelectOnDuplicateKeyUpdateStatement

protected String createInsertSelectOnDuplicateKeyUpdateStatement(net.sf.jsqlparser.statement.update.Update update)
                                                          throws SQLException

Transform the given UPDATE-statement into an "INSERT INTO TAB1 (...) SELECT ... FROM TAB1 WHERE ... ON DUPLICATE KEY UPDATE"

Parameters:

update - The UPDATE-statement

Returns:

An SQL-statement equal to the UPDATE-statement but in INSERT form

Throws:

SQLException - if a database exception occurs while getting the table meta data or if the statement tries to update the primary key value

quoteIdentifier

protected String quoteIdentifier(String identifier)

unquoteIdentifier

protected String unquoteIdentifier(String identifier)

determineForceSingleUseReadContext

protected void determineForceSingleUseReadContext(net.sf.jsqlparser.statement.select.Select select)

Determines whether the given sql statement must be executed in a single use read context. This must be done for queries against the information schema. This method sets the forceSingleUseReadContext to true if necessary.

Parameters:

select - The sql statement to be examined.

isForceSingleUseReadContext

public boolean isForceSingleUseReadContext()

setForceSingleUseReadContext

public void setForceSingleUseReadContext(boolean forceSingleUseReadContext)

getReadContext

protected com.google.cloud.spanner.ReadContext getReadContext()
                                                       throws SQLException

Throws:

SQLException

writeMutations

protected long writeMutations(nl.topicus.jdbc.statement.Mutations mutations)
                       throws SQLException

Throws:

SQLException

isClosed

public boolean isClosed()
                 throws SQLException

Specified by:

isClosed in interface Statement

Throws:

SQLException

close

public void close()
           throws SQLException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Statement

Throws:

SQLException

checkClosed

protected void checkClosed()
                    throws SQLException

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

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

getConnection

public CloudSpannerConnection getConnection()
                                     throws SQLException

Specified by:

getConnection in interface Statement

Throws:

SQLException

getGeneratedKeys

public ResultSet getGeneratedKeys()
                           throws SQLException

Specified by:

getGeneratedKeys in interface Statement

Throws:

SQLException

getResultSetHoldability

public int getResultSetHoldability()
                            throws SQLException

Specified by:

getResultSetHoldability 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

isCloseOnCompletion

public boolean isCloseOnCompletion()
                            throws SQLException

Specified by:

isCloseOnCompletion in interface Statement

Throws:

SQLException