456 lines
14 KiB
C++
456 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "Driver.hxx"
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#include "ResultSet.hxx"
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#include "StatementCommonBase.hxx"
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#include "Util.hxx"
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#include <comphelper/sequence.hxx>
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#include <cppuhelper/typeprovider.hxx>
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#include <propertyids.hxx>
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#include <TConnection.hxx>
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using namespace ::connectivity::firebird;
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::beans;
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using namespace ::com::sun::star::sdbc;
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using namespace ::com::sun::star::sdbcx;
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using namespace ::com::sun::star::container;
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using namespace ::com::sun::star::io;
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using namespace ::com::sun::star::util;
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using namespace ::comphelper;
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using namespace ::osl;
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using namespace ::rtl;
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using namespace ::std;
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OStatementCommonBase::OStatementCommonBase(Connection* _pConnection)
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: OStatementCommonBase_Base(_pConnection->getMutex()),
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OPropertySetHelper(OStatementCommonBase_Base::rBHelper),
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m_pConnection(_pConnection),
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m_aStatementHandle( 0 ),
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rBHelper(OStatementCommonBase_Base::rBHelper)
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{
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m_pConnection->acquire();
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}
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OStatementCommonBase::~OStatementCommonBase()
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{
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}
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void OStatementCommonBase::disposeResultSet()
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{
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uno::Reference< XComponent > xComp(m_xResultSet.get(), UNO_QUERY);
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if (xComp.is())
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xComp->dispose();
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m_xResultSet = uno::Reference< XResultSet>();
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}
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void OStatementCommonBase::freeStatementHandle()
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throw (SQLException)
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{
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if (m_aStatementHandle)
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{
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isc_dsql_free_statement(m_statusVector,
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&m_aStatementHandle,
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DSQL_drop);
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evaluateStatusVector(m_statusVector,
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"isc_dsql_free_statement",
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*this);
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}
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}
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//-----------------------------------------------------------------------------
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Any SAL_CALL OStatementCommonBase::queryInterface( const Type & rType ) throw(RuntimeException)
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{
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Any aRet = OStatementCommonBase_Base::queryInterface(rType);
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if(!aRet.hasValue())
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aRet = OPropertySetHelper::queryInterface(rType);
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return aRet;
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}
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// -------------------------------------------------------------------------
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Sequence< Type > SAL_CALL OStatementCommonBase::getTypes( ) throw(RuntimeException)
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{
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::cppu::OTypeCollection aTypes(
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::cppu::UnoType< uno::Reference< XMultiPropertySet > >::get(),
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::cppu::UnoType< uno::Reference< XFastPropertySet > >::get(),
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::cppu::UnoType< uno::Reference< XPropertySet > >::get());
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return concatSequences(aTypes.getTypes(),OStatementCommonBase_Base::getTypes());
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}
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// -------------------------------------------------------------------------
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void SAL_CALL OStatementCommonBase::cancel( ) throw(RuntimeException)
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{
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MutexGuard aGuard(m_pConnection->getMutex());
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checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
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// cancel the current sql statement
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}
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void SAL_CALL OStatementCommonBase::close()
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throw(SQLException, RuntimeException)
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{
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SAL_INFO("connectivity.firebird", "close");
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{
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MutexGuard aGuard(m_pConnection->getMutex());
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checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
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disposeResultSet();
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freeStatementHandle();
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}
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dispose();
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}
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void OStatementCommonBase::prepareAndDescribeStatement(const OUString& sql,
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XSQLDA*& pOutSqlda,
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XSQLDA* pInSqlda)
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throw (SQLException)
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{
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MutexGuard aGuard(m_pConnection->getMutex());
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freeStatementHandle();
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if (!pOutSqlda)
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{
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pOutSqlda = (XSQLDA*) malloc(XSQLDA_LENGTH(10));
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pOutSqlda->version = SQLDA_VERSION1;
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pOutSqlda->sqln = 10;
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}
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ISC_STATUS aErr = 0;
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aErr = isc_dsql_allocate_statement(m_statusVector,
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&m_pConnection->getDBHandle(),
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&m_aStatementHandle);
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if (aErr)
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{
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free(pOutSqlda);
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pOutSqlda = 0;
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evaluateStatusVector(m_statusVector,
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"isc_dsql_allocate_statement",
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*this);
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}
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aErr = isc_dsql_prepare(m_statusVector,
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&m_pConnection->getTransaction(),
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&m_aStatementHandle,
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0,
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OUStringToOString(sql, RTL_TEXTENCODING_UTF8).getStr(),
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FIREBIRD_SQL_DIALECT,
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pInSqlda);
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if (aErr)
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{
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// TODO: free statement handle?
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free(pOutSqlda);
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pOutSqlda = 0;
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evaluateStatusVector(m_statusVector,
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"isc_dsql_prepare",
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*this);
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}
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aErr = isc_dsql_describe(m_statusVector,
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&m_aStatementHandle,
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1,
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pOutSqlda);
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if (aErr)
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{
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// TODO: free statement handle, etc.?
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free(pOutSqlda);
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pOutSqlda = 0;
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evaluateStatusVector(m_statusVector,
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"isc_dsql_describe",
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*this);
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}
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// Ensure we have enough space in pOutSqlda
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if (pOutSqlda->sqld > pOutSqlda->sqln)
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{
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int n = pOutSqlda->sqld;
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free(pOutSqlda);
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pOutSqlda = (XSQLDA*) malloc(XSQLDA_LENGTH(n));
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pOutSqlda->version = SQLDA_VERSION1;
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aErr = isc_dsql_describe(m_statusVector,
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&m_aStatementHandle,
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1,
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pOutSqlda);
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}
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// Process each XSQLVAR parameter structure in the output XSQLDA
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if (aErr)
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evaluateStatusVector(m_statusVector,
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"isc_dsql_describe",
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*this);
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mallocSQLVAR(pOutSqlda);
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}
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// ---- XMultipleResults - UNSUPPORTED ----------------------------------------
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uno::Reference< XResultSet > SAL_CALL OStatementCommonBase::getResultSet() throw(SQLException, RuntimeException)
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{
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// TODO: verify we really can't support this
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// return uno::Reference< XResultSet >();
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MutexGuard aGuard(m_pConnection->getMutex());
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checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
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return m_xResultSet;
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}
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sal_Bool SAL_CALL OStatementCommonBase::getMoreResults() throw(SQLException, RuntimeException)
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{
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// TODO: verify we really can't support this
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return sal_False;
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// MutexGuard aGuard( m_aMutex );
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// checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
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}
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sal_Int32 SAL_CALL OStatementCommonBase::getUpdateCount() throw(SQLException, RuntimeException)
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{
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// TODO: verify we really can't support this
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return 0;
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}
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// ---- XWarningsSupplier - UNSUPPORTED ----------------------------------------
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Any SAL_CALL OStatementCommonBase::getWarnings() throw(SQLException, RuntimeException)
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{
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return Any();
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}
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void SAL_CALL OStatementCommonBase::clearWarnings() throw(SQLException, RuntimeException)
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{
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}
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::cppu::IPropertyArrayHelper* OStatementCommonBase::createArrayHelper( ) const
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{
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// this properties are define by the service statement
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// they must in alphabetic order
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Sequence< Property > aProps(10);
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Property* pProperties = aProps.getArray();
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sal_Int32 nPos = 0;
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DECL_PROP0(CURSORNAME, OUString);
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DECL_BOOL_PROP0(ESCAPEPROCESSING);
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DECL_PROP0(FETCHDIRECTION,sal_Int32);
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DECL_PROP0(FETCHSIZE, sal_Int32);
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DECL_PROP0(MAXFIELDSIZE,sal_Int32);
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DECL_PROP0(MAXROWS, sal_Int32);
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DECL_PROP0(QUERYTIMEOUT,sal_Int32);
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DECL_PROP0(RESULTSETCONCURRENCY,sal_Int32);
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DECL_PROP0(RESULTSETTYPE,sal_Int32);
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DECL_BOOL_PROP0(USEBOOKMARKS);
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return new ::cppu::OPropertyArrayHelper(aProps);
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}
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::cppu::IPropertyArrayHelper & OStatementCommonBase::getInfoHelper()
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{
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return *const_cast<OStatementCommonBase*>(this)->getArrayHelper();
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}
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// -------------------------------------------------------------------------
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sal_Bool OStatementCommonBase::convertFastPropertyValue(
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Any & rConvertedValue,
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Any & rOldValue,
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sal_Int32 nHandle,
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const Any& rValue )
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throw (IllegalArgumentException)
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{
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(void) rConvertedValue;
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(void) rOldValue;
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(void) nHandle;
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(void) rValue;
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sal_Bool bConverted = sal_False;
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// here we have to try to convert
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return bConverted;
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}
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// -------------------------------------------------------------------------
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void OStatementCommonBase::setFastPropertyValue_NoBroadcast(sal_Int32 nHandle,const Any& rValue) throw (Exception)
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{
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(void) rValue;
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// set the value to what ever is necessary
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switch(nHandle)
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{
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case PROPERTY_ID_QUERYTIMEOUT:
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case PROPERTY_ID_MAXFIELDSIZE:
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case PROPERTY_ID_MAXROWS:
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case PROPERTY_ID_CURSORNAME:
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case PROPERTY_ID_RESULTSETCONCURRENCY:
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case PROPERTY_ID_RESULTSETTYPE:
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case PROPERTY_ID_FETCHDIRECTION:
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case PROPERTY_ID_FETCHSIZE:
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case PROPERTY_ID_ESCAPEPROCESSING:
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case PROPERTY_ID_USEBOOKMARKS:
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default:
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;
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}
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}
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// -------------------------------------------------------------------------
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void OStatementCommonBase::getFastPropertyValue(Any& rValue,sal_Int32 nHandle) const
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{
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(void) rValue;
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switch(nHandle)
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{
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case PROPERTY_ID_QUERYTIMEOUT:
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case PROPERTY_ID_MAXFIELDSIZE:
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case PROPERTY_ID_MAXROWS:
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case PROPERTY_ID_CURSORNAME:
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case PROPERTY_ID_RESULTSETCONCURRENCY:
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case PROPERTY_ID_RESULTSETTYPE:
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case PROPERTY_ID_FETCHDIRECTION:
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case PROPERTY_ID_FETCHSIZE:
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case PROPERTY_ID_ESCAPEPROCESSING:
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case PROPERTY_ID_USEBOOKMARKS:
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default:
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;
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}
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}
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void SAL_CALL OStatementCommonBase::acquire() throw()
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{
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OStatementCommonBase_Base::acquire();
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}
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void SAL_CALL OStatementCommonBase::release() throw()
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{
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OStatementCommonBase_Base::release();
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}
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uno::Reference< ::com::sun::star::beans::XPropertySetInfo > SAL_CALL OStatementCommonBase::getPropertySetInfo( ) throw(RuntimeException)
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{
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return ::cppu::OPropertySetHelper::createPropertySetInfo(getInfoHelper());
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}
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short OStatementCommonBase::getSqlInfoItem(char aInfoItem)
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throw (SQLException)
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{
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ISC_STATUS_ARRAY aStatusVector;
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ISC_STATUS aErr;
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char aInfoItems[] = {aInfoItem};
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char aResultsBuffer[8];
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aErr = isc_dsql_sql_info(aStatusVector,
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&m_aStatementHandle,
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sizeof(aInfoItems),
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aInfoItems,
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sizeof(aResultsBuffer),
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aResultsBuffer);
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if (!aErr && aResultsBuffer[0] == aInfoItem)
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{
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const short aBytes = (short) isc_vax_integer(aResultsBuffer+1, 2);
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return (short) isc_vax_integer(aResultsBuffer+3, aBytes);
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}
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evaluateStatusVector(aStatusVector,
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"isc_dsq_sql_info",
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*this);
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return 0;
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}
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bool OStatementCommonBase::isDDLStatement()
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throw (SQLException)
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{
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if (getSqlInfoItem(isc_info_sql_stmt_type) == isc_info_sql_stmt_ddl)
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return true;
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else
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return false;
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}
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sal_Int32 OStatementCommonBase::getStatementChangeCount()
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throw (SQLException)
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{
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const short aStatementType = getSqlInfoItem(isc_info_sql_stmt_type);
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ISC_STATUS_ARRAY aStatusVector;
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ISC_STATUS aErr;
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// This is somewhat undocumented so I'm just guessing and hoping for the best.
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char aInfoItems[] = {isc_info_sql_records};
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char aResultsBuffer[1024];
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aErr = isc_dsql_sql_info(aStatusVector,
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&m_aStatementHandle,
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sizeof(aInfoItems),
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aInfoItems,
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sizeof(aResultsBuffer),
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aResultsBuffer);
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if (aErr)
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{
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evaluateStatusVector(aStatusVector,
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"isc_dsq_sql_info",
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*this);
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return 0;
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}
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short aDesiredInfoType = 0;
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switch (aStatementType)
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{
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case isc_info_sql_stmt_select:
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aDesiredInfoType = isc_info_req_select_count;
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break;
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case isc_info_sql_stmt_insert:
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aDesiredInfoType = isc_info_req_insert_count;
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break;
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case isc_info_sql_stmt_update:
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aDesiredInfoType = isc_info_req_update_count;
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break;
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case isc_info_sql_stmt_delete:
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aDesiredInfoType = isc_info_req_delete_count;
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break;
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default:
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throw SQLException(); // TODO: better error message?
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}
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char* pResults = aResultsBuffer;
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if (((short) *pResults++) == isc_info_sql_records)
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{
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// const short aTotalLength = (short) isc_vax_integer(pResults, 2);
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pResults += 2;
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// Seems to be of form TOKEN (1 byte), LENGTH (2 bytes), DATA (LENGTH bytes)
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while (*pResults != isc_info_rsb_end)
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{
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const char aToken = *pResults;
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const short aLength = (short) isc_vax_integer(pResults+1, 2);
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if (aToken == aDesiredInfoType)
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{
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return sal_Int32(isc_vax_integer(pResults + 3, aLength));
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}
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pResults += (3 + aLength);
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}
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}
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return 0;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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