/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <connectivity/TKeys.hxx>
#include <connectivity/TKey.hxx>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/sdbc/XResultSet.hpp>
#include <com/sun/star/sdbcx/KeyType.hpp>
#include <com/sun/star/sdbc/KeyRule.hpp>
#include <connectivity/dbtools.hxx>
#include <comphelper/types.hxx>
#include <TConnection.hxx>
namespace connectivity
{
using namespace comphelper;
using namespace connectivity::sdbcx;
using namespace dbtools;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::lang;
OKeysHelper::OKeysHelper( OTableHelper* _pTable,
::osl::Mutex& _rMutex,
const ::std::vector< OUString>& _rVector
) : OKeys_BASE(*_pTable,true,_rMutex,_rVector,true)
,m_pTable(_pTable)
{
}
sdbcx::ObjectType OKeysHelper::createObject(const OUString& _rName)
{
sdbcx::ObjectType xRet;
if(!_rName.isEmpty())
{
OTableKeyHelper* pRet = new OTableKeyHelper(m_pTable,_rName,m_pTable->getKeyProperties(_rName));
xRet = pRet;
}
if(!xRet.is()) // we have a primary key with a system name
{
OTableKeyHelper* pRet = new OTableKeyHelper(m_pTable,_rName,m_pTable->getKeyProperties(_rName));
xRet = pRet;
}
return xRet;
}
void OKeysHelper::impl_refresh()
{
m_pTable->refreshKeys();
}
Reference< XPropertySet > OKeysHelper::createDescriptor()
{
return new OTableKeyHelper(m_pTable);
}
/** returns the keyrule string for the primary key
*/
OUString getKeyRuleString(bool _bUpdate,sal_Int32 _nKeyRule)
{
const char* pKeyRule = nullptr;
switch ( _nKeyRule )
{
case KeyRule::CASCADE:
pKeyRule = _bUpdate ? " ON UPDATE CASCADE " : " ON DELETE CASCADE ";
break;
case KeyRule::RESTRICT:
pKeyRule = _bUpdate ? " ON UPDATE RESTRICT " : " ON DELETE RESTRICT ";
break;
case KeyRule::SET_NULL:
pKeyRule = _bUpdate ? " ON UPDATE SET NULL " : " ON DELETE SET NULL ";
break;
case KeyRule::SET_DEFAULT:
pKeyRule = _bUpdate ? " ON UPDATE SET DEFAULT " : " ON DELETE SET DEFAULT ";
break;
default:
;
}
OUString sRet;
if ( pKeyRule )
sRet = OUString::createFromAscii(pKeyRule);
return sRet;
}
void OKeysHelper::cloneDescriptorColumns( const sdbcx::ObjectType& _rSourceDescriptor, const sdbcx::ObjectType& _rDestDescriptor )
{
Reference< XColumnsSupplier > xColSupp( _rSourceDescriptor, UNO_QUERY_THROW );
Reference< XIndexAccess > xSourceCols( xColSupp->getColumns(), UNO_QUERY_THROW );
xColSupp.set( _rDestDescriptor, UNO_QUERY_THROW );
Reference< XAppend > xDestAppend( xColSupp->getColumns(), UNO_QUERY_THROW );
sal_Int32 nCount = xSourceCols->getCount();
for ( sal_Int32 i=0; i< nCount; ++i )
{
Reference< XPropertySet > xColProp( xSourceCols->getByIndex(i), UNO_QUERY );
xDestAppend->appendByDescriptor( xColProp );
}
}
// XAppend
sdbcx::ObjectType OKeysHelper::appendObject( const OUString& _rForName, const Reference< XPropertySet >& descriptor )
{
Reference< XConnection> xConnection = m_pTable->getConnection();
if ( !xConnection.is() )
return nullptr;
if ( m_pTable->isNew() )
{
Reference< XPropertySet > xNewDescriptor( cloneDescriptor( descriptor ) );
cloneDescriptorColumns( descriptor, xNewDescriptor );
return xNewDescriptor;
}
const ::dbtools::OPropertyMap& rPropMap = OMetaConnection::getPropMap();
sal_Int32 nKeyType = getINT32(descriptor->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_TYPE)));
sal_Int32 nUpdateRule = 0, nDeleteRule = 0;
OUString sReferencedName;
if ( nKeyType == KeyType::FOREIGN )
{
descriptor->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_REFERENCEDTABLE)) >>= sReferencedName;
descriptor->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_UPDATERULE)) >>= nUpdateRule;
descriptor->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_DELETERULE)) >>= nDeleteRule;
}
if ( m_pTable->getKeyService().is() )
{
m_pTable->getKeyService()->addKey(m_pTable,descriptor);
}
else
{
// if we're here, we belong to a table which is not new, i.e. already exists in the database.
// In this case, really append the new index.
OUStringBuffer aSql;
aSql.append("ALTER TABLE ");
OUString aQuote = m_pTable->getConnection()->getMetaData()->getIdentifierQuoteString( );
aSql.append(composeTableName( m_pTable->getConnection()->getMetaData(), m_pTable, ::dbtools::EComposeRule::InTableDefinitions, true ));
aSql.append(" ADD ");
if ( nKeyType == KeyType::PRIMARY )
{
aSql.append(" PRIMARY KEY (");
}
else if ( nKeyType == KeyType::FOREIGN )
{
aSql.append(" FOREIGN KEY (");
}
else
throw SQLException();
Reference<XColumnsSupplier> xColumnSup(descriptor,UNO_QUERY);
Reference<XIndexAccess> xColumns(xColumnSup->getColumns(),UNO_QUERY);
Reference< XPropertySet > xColProp;
for(sal_Int32 i = 0 ; i < xColumns->getCount() ; ++i)
{
if ( i > 0 )
aSql.append(",");
xColProp.set(xColumns->getByIndex(i), css::uno::UNO_QUERY);
aSql.append( ::dbtools::quoteName( aQuote,getString(xColProp->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_NAME)))) );
}
aSql.append(")");
if ( nKeyType == KeyType::FOREIGN )
{
aSql.append(" REFERENCES ");
aSql.append(::dbtools::quoteTableName(m_pTable->getConnection()->getMetaData(),sReferencedName,::dbtools::EComposeRule::InTableDefinitions));
aSql.append(" (");
for(sal_Int32 i=0;i<xColumns->getCount();++i)
{
if ( i > 0 )
aSql.append(",");
xColumns->getByIndex(i) >>= xColProp;
aSql.append(::dbtools::quoteName( aQuote,getString(xColProp->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_RELATEDCOLUMN)))));
}
aSql.append(")");
aSql.append(getKeyRuleString(true ,nUpdateRule));
aSql.append(getKeyRuleString(false ,nDeleteRule));
}
Reference< XStatement > xStmt = m_pTable->getConnection()->createStatement( );
xStmt->execute(aSql.makeStringAndClear());
}
// find the name which the database gave the new key
OUString sNewName( _rForName );
try
{
OUString aSchema,aTable;
m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_SCHEMANAME)) >>= aSchema;
m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_NAME)) >>= aTable;
Reference< XResultSet > xResult;
sal_Int32 nColumn = 12;
if ( nKeyType == KeyType::FOREIGN )
xResult = m_pTable->getMetaData()->getImportedKeys( m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_CATALOGNAME))
,aSchema
,aTable);
else
{
xResult = m_pTable->getMetaData()->getPrimaryKeys( m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_CATALOGNAME))
,aSchema
,aTable);
nColumn = 6;
}
if ( xResult.is() )
{
Reference< XRow > xRow(xResult,UNO_QUERY);
while( xResult->next() )
{
OUString sName = xRow->getString(nColumn);
if ( !m_pElements->exists(sName) ) // this name wasn't inserted yet so it must be the new one
{
descriptor->setPropertyValue( rPropMap.getNameByIndex( PROPERTY_ID_NAME ), makeAny( sName ) );
sNewName = sName;
break;
}
}
::comphelper::disposeComponent(xResult);
}
}
catch(const SQLException&)
{
}
m_pTable->addKey(sNewName,std::make_shared<sdbcx::KeyProperties>(sReferencedName,nKeyType,nUpdateRule,nDeleteRule));
return createObject( sNewName );
}
OUString OKeysHelper::getDropForeignKey() const
{
return OUString(" DROP CONSTRAINT ");
}
// XDrop
void OKeysHelper::dropObject(sal_Int32 _nPos, const OUString& _sElementName)
{
Reference< XConnection> xConnection = m_pTable->getConnection();
if ( xConnection.is() && !m_pTable->isNew() )
{
Reference<XPropertySet> xKey(getObject(_nPos),UNO_QUERY);
if ( m_pTable->getKeyService().is() )
{
m_pTable->getKeyService()->dropKey(m_pTable,xKey);
}
else
{
OUStringBuffer aSql;
aSql.append("ALTER TABLE ");
aSql.append( composeTableName( m_pTable->getConnection()->getMetaData(), m_pTable,::dbtools::EComposeRule::InTableDefinitions, true ));
sal_Int32 nKeyType = KeyType::PRIMARY;
if ( xKey.is() )
{
::dbtools::OPropertyMap& rPropMap = OMetaConnection::getPropMap();
xKey->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_TYPE)) >>= nKeyType;
}
if ( KeyType::PRIMARY == nKeyType )
{
aSql.append(" DROP PRIMARY KEY");
}
else
{
aSql.append(getDropForeignKey());
const OUString aQuote = m_pTable->getConnection()->getMetaData()->getIdentifierQuoteString();
aSql.append( ::dbtools::quoteName( aQuote,_sElementName) );
}
Reference< XStatement > xStmt = m_pTable->getConnection()->createStatement( );
if ( xStmt.is() )
{
xStmt->execute(aSql.makeStringAndClear());
::comphelper::disposeComponent(xStmt);
}
}
}
}
} // namespace connectivity
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V547 Expression 'KeyType::PRIMARY == nKeyType' is always true.