/* Copyright (c) 2001-2009, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the HSQL Development Group nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.hsqldb;
import org.hsqldb.result.Result;
import org.hsqldb.types.Type;
import org.hsqldb.result.ResultConstants;
import org.hsqldb.persist.PersistentStore;
import org.hsqldb.lib.HashMappedList;
import org.hsqldb.lib.ArrayUtil;
import org.hsqldb.navigator.RowSetNavigator;
import org.hsqldb.navigator.RowSetNavigatorClient;
import org.hsqldb.navigator.RowSetNavigatorLinkedList;
public class StatementResultUpdate extends StatementDML {
int actionType;
Type[] types;
StatementResultUpdate() {
super();
isTransactionStatement = true;
}
public String describe(Session session) {
return "";
}
public Result execute(Session session) {
try {
return getResult(session);
} catch (HsqlException e) {
return Result.newErrorResult(e);
}
}
Result getResult(Session session) {
checkAccessRights(session);
Object[] args = session.sessionContext.dynamicArguments;
switch (actionType) {
case ResultConstants.UPDATE_CURSOR : {
Long id = (Long) args[args.length - 1];
PersistentStore store =
session.sessionData.getRowStore(baseTable);
Row row = (Row) store.get((int) id.longValue(), false);
HashMappedList list = new HashMappedList();
Object[] data =
(Object[]) ArrayUtil.duplicateArray(row.getData());
for (int i = 0; i < baseColumnMap.length; i++) {
if (types[i] == Type.SQL_ALL_TYPES) {
continue;
}
data[baseColumnMap[i]] = args[i];
}
list.add(row, data);
update(session, baseTable, list);
break;
}
case ResultConstants.DELETE_CURSOR : {
Long id = (Long) args[args.length - 1];
PersistentStore store =
session.sessionData.getRowStore(baseTable);
Row row = (Row) store.get((int) id.longValue(), false);
RowSetNavigator navigator = new RowSetNavigatorLinkedList();
navigator.add(row);
delete(session, baseTable, navigator);
break;
}
case ResultConstants.INSERT_CURSOR : {
Object[] data = baseTable.getNewRowData(session);
for (int i = 0; i < data.length; i++) {
data[baseColumnMap[i]] = args[i];
}
PersistentStore store =
session.sessionData.getRowStore(baseTable);
baseTable.insertRow(session, store, data);
}
}
return Result.updateOneResult;
}
void setRowActionProperties(int action, Table table, Type[] types,
int[] columnMap) {
this.actionType = action;
this.baseTable = table;
this.types = types;
this.baseColumnMap = columnMap;
}
/*
Result result = getAccessRightsResult(session);
if (result != null) {
return result;
}
if (this.isExplain) {
return Result.newSingleColumnStringResult("OPERATION",
describe(session));
}
try {
materializeSubQueries(session, args);
result = getResult(session);
} catch (Throwable t) {
String commandString = sql;
if (session.database.getProperties().getErrorLevel()
== HsqlDatabaseProperties.NO_MESSAGE) {
commandString = null;
}
result = Result.newErrorResult(t, commandString);
if (result.isError()) {
result.getException().setStatementType(group, type);
}
}
session.sessionContext.clearStructures(this);
return result;
*/
/*
long id = cmd.getResultId();
int actionType = cmd.getActionType();
Result result = sessionData.getDataResult(id);
Object[] pvals = cmd.getParameterData();
Type[] types = cmd.metaData.columnTypes;
StatementQuery statement = (StatementQuery) result.getValueObject() ;
QueryExpression qe = statement.queryExpression;
Table baseTable = qe.getBaseTable();
int[] columnMap = qe.getBaseTableColumnMap();
switch (actionType) {
case ResultConstants.UPDATE_CURSOR :
case ResultConstants.DELETE_CURSOR :
case ResultConstants.INSERT_CURSOR :
}
return Result.updateZeroResult;
*/
void checkAccessRights(Session session) {
switch (type) {
case StatementTypes.CALL : {
break;
}
case StatementTypes.INSERT : {
session.getGrantee().checkInsert(targetTable,
insertCheckColumns);
break;
}
case StatementTypes.SELECT_CURSOR :
break;
case StatementTypes.DELETE_WHERE : {
session.getGrantee().checkDelete(targetTable);
break;
}
case StatementTypes.UPDATE_WHERE : {
session.getGrantee().checkUpdate(targetTable,
updateCheckColumns);
break;
}
case StatementTypes.MERGE : {
session.getGrantee().checkInsert(targetTable,
insertCheckColumns);
session.getGrantee().checkUpdate(targetTable,
updateCheckColumns);
break;
}
}
}
}