1064 lines
39 KiB
C++
1064 lines
39 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* Effective License of whole file:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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* Parts "Copyright by Sun Microsystems, Inc" prior to August 2011:
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*
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* The Contents of this file are made available subject to the terms of
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* the GNU Lesser General Public License Version 2.1
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* Contributor(s): Joerg Budischewski
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*
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* All parts contributed on or after August 2011:
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*
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* Version: MPL 1.1 / GPLv3+ / LGPLv2.1+
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License or as specified alternatively below. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* Major Contributor(s):
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* [ Copyright (C) 2011 Lionel Elie Mamane <lionel@mamane.lu> ]
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*
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* All Rights Reserved.
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*
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* For minor contributions see the git repository.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 3 or later (the "GPLv3+"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPLv2.1+"),
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* in which case the provisions of the GPLv3+ or the LGPLv2.1+ are applicable
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* instead of those above.
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*
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************************************************************************/
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#include "pq_statement.hxx"
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#include "pq_fakedupdateableresultset.hxx"
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#include "pq_updateableresultset.hxx"
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#include "pq_tools.hxx"
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#include "pq_statics.hxx"
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#include <osl/thread.h>
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#include <osl/time.h>
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#include <rtl/ustrbuf.hxx>
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#include <rtl/strbuf.hxx>
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#include <cppuhelper/typeprovider.hxx>
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#include <cppuhelper/queryinterface.hxx>
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#include <com/sun/star/beans/PropertyAttribute.hpp>
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#include <com/sun/star/sdbc/ResultSetConcurrency.hpp>
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#include <com/sun/star/sdbc/ResultSetType.hpp>
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#include <com/sun/star/sdbc/XParameters.hpp>
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#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
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#include <com/sun/star/sdbcx/KeyType.hpp>
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#include <com/sun/star/sdbcx/XKeysSupplier.hpp>
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#include <com/sun/star/container/XIndexAccess.hpp>
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#include <com/sun/star/container/XEnumerationAccess.hpp>
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#include <string.h>
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using osl::Mutex;
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using osl::MutexGuard;
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using rtl::OUString;
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using rtl::OUStringBuffer;
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using rtl::OUStringToOString;
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using rtl::OStringToOUString;
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using rtl::OString;
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using com::sun::star::uno::Any;
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using com::sun::star::uno::makeAny;
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using com::sun::star::uno::Type;
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using com::sun::star::uno::RuntimeException;
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using com::sun::star::uno::Exception;
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using com::sun::star::uno::Sequence;
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using com::sun::star::uno::Reference;
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using com::sun::star::uno::XInterface;
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using com::sun::star::uno::UNO_QUERY;
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using com::sun::star::lang::IllegalArgumentException;
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using com::sun::star::sdbc::XWarningsSupplier;
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using com::sun::star::sdbc::XCloseable;
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using com::sun::star::sdbc::XStatement;
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using com::sun::star::sdbc::XPreparedStatement;
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using com::sun::star::sdbc::XParameters;
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using com::sun::star::sdbc::XRow;
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using com::sun::star::sdbc::XResultSet;
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using com::sun::star::sdbc::XGeneratedResultSet;
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using com::sun::star::sdbc::XConnection;
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using com::sun::star::sdbc::SQLException;
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using com::sun::star::sdbcx::XColumnsSupplier;
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using com::sun::star::sdbcx::XTablesSupplier;
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using com::sun::star::sdbcx::XKeysSupplier;
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using com::sun::star::beans::Property;
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using com::sun::star::beans::XPropertySetInfo;
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using com::sun::star::beans::XPropertySet;
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using com::sun::star::beans::XFastPropertySet;
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using com::sun::star::beans::XMultiPropertySet;
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using com::sun::star::container::XNameAccess;
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using com::sun::star::container::XEnumerationAccess;
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using com::sun::star::container::XEnumeration;
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using com::sun::star::container::XIndexAccess;
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#define ASCII_STR(x) OUString( RTL_CONSTASCII_USTRINGPARAM( x ) )
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namespace pq_sdbc_driver
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{
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static ::cppu::IPropertyArrayHelper & getStatementPropertyArrayHelper()
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{
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static ::cppu::IPropertyArrayHelper *pArrayHelper;
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if( ! pArrayHelper )
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{
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MutexGuard guard( Mutex::getGlobalMutex() );
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if( ! pArrayHelper )
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{
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static Property aTable[] =
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{
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Property(
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OUString( RTL_CONSTASCII_USTRINGPARAM("CursorName") ), 0,
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::getCppuType( (OUString *)0) , 0 ),
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Property(
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OUString( RTL_CONSTASCII_USTRINGPARAM("EscapeProcessing") ), 1,
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::getBooleanCppuType() , 0 ),
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Property(
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OUString( RTL_CONSTASCII_USTRINGPARAM("FetchDirection") ), 2,
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::getCppuType( (sal_Int32 *)0) , 0 ),
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Property(
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OUString( RTL_CONSTASCII_USTRINGPARAM("FetchSize") ), 3,
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::getCppuType( (sal_Int32 *)0) , 0 ),
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Property(
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OUString( RTL_CONSTASCII_USTRINGPARAM("MaxFieldSize") ), 4,
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::getCppuType( (sal_Int32 *)0) , 0 ),
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Property(
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OUString( RTL_CONSTASCII_USTRINGPARAM("MaxRows") ), 5,
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::getCppuType( (sal_Int32 *)0) , 0 ),
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Property(
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OUString( RTL_CONSTASCII_USTRINGPARAM("QueryTimeOut") ), 6,
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::getCppuType( (sal_Int32 *)0) , 0 ),
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Property(
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OUString( RTL_CONSTASCII_USTRINGPARAM("ResultSetConcurrency") ), 7,
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::getCppuType( (sal_Int32 *)0) , 0 ),
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Property(
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OUString( RTL_CONSTASCII_USTRINGPARAM("ResultSetType") ), 8,
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::getCppuType( (sal_Int32 *)0) , 0 )
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};
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OSL_ASSERT( sizeof(aTable)/ sizeof(Property) == STATEMENT_SIZE );
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static ::cppu::OPropertyArrayHelper arrayHelper( aTable, STATEMENT_SIZE, sal_True );
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pArrayHelper = &arrayHelper;
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}
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}
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return *pArrayHelper;
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}
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Statement::Statement( const ::rtl::Reference< RefCountedMutex > & refMutex,
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const Reference< XConnection > & conn,
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struct ConnectionSettings *pSettings )
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: OComponentHelper( refMutex->mutex ),
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OPropertySetHelper( OComponentHelper::rBHelper ),
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m_connection( conn ),
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m_pSettings( pSettings ),
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m_refMutex( refMutex ),
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m_lastOidInserted( InvalidOid )
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{
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m_props[STATEMENT_QUERY_TIME_OUT] = makeAny( (sal_Int32)0 );
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m_props[STATEMENT_MAX_ROWS] = makeAny( (sal_Int32)0 );
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m_props[STATEMENT_RESULT_SET_CONCURRENCY] = makeAny(
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com::sun::star::sdbc::ResultSetConcurrency::READ_ONLY );
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m_props[STATEMENT_RESULT_SET_TYPE] = makeAny(
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com::sun::star::sdbc::ResultSetType::SCROLL_INSENSITIVE );
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}
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Statement::~Statement()
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{
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POSTGRE_TRACE( "dtor Statement" );
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}
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void Statement::checkClosed() throw (SQLException, RuntimeException )
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{
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if( ! m_pSettings || ! m_pSettings->pConnection )
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throw SQLException(
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ASCII_STR("pq_driver: Statement or connection has already been closed !" ),
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*this, OUString(),1,Any());
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}
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Any Statement::queryInterface( const Type & reqType ) throw (RuntimeException)
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{
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Any ret;
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ret = OComponentHelper::queryInterface( reqType );
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if( ! ret.hasValue() )
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ret = ::cppu::queryInterface( reqType,
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static_cast< XWarningsSupplier * > ( this ),
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static_cast< XStatement * > ( this ),
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static_cast< com::sun::star::sdbc::XResultSetMetaDataSupplier * > ( this ),
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static_cast< XCloseable * > ( this ),
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static_cast< XPropertySet * > ( this ),
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static_cast< XMultiPropertySet * > ( this ),
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static_cast< XGeneratedResultSet * > ( this ),
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static_cast< XFastPropertySet * > ( this ) );
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return ret;
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}
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Sequence< Type > Statement::getTypes() throw ( RuntimeException )
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{
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static cppu::OTypeCollection *pCollection;
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if( ! pCollection )
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{
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MutexGuard guard( osl::Mutex::getGlobalMutex() );
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if( !pCollection )
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{
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static cppu::OTypeCollection collection(
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getCppuType( (Reference< XWarningsSupplier> *) 0 ),
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getCppuType( (Reference< XStatement> *) 0 ),
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getCppuType( (Reference< com::sun::star::sdbc::XResultSetMetaDataSupplier> *) 0 ),
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getCppuType( (Reference< XCloseable> *) 0 ),
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getCppuType( (Reference< XPropertySet >*) 0 ),
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getCppuType( (Reference< XFastPropertySet > *) 0 ),
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getCppuType( (Reference< XMultiPropertySet > *) 0 ),
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getCppuType( (Reference< XGeneratedResultSet > *) 0 ),
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OComponentHelper::getTypes());
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pCollection = &collection;
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}
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}
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return pCollection->getTypes();
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}
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Sequence< sal_Int8> Statement::getImplementationId() throw ( RuntimeException )
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{
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static cppu::OImplementationId *pId;
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if( ! pId )
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{
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MutexGuard guard( osl::Mutex::getGlobalMutex() );
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if( ! pId )
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{
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static cppu::OImplementationId id(sal_False);
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pId = &id;
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}
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}
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return pId->getImplementationId();
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}
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void Statement::close( ) throw (SQLException, RuntimeException)
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{
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// let the connection die without acquired mutex !
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Reference< XConnection > r;
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Reference< XCloseable > resultSet;
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{
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MutexGuard guard( m_refMutex->mutex );
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m_pSettings = 0;
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r = m_connection;
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m_connection.clear();
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resultSet = m_lastResultset;
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m_lastResultset.clear();
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}
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if( resultSet.is() )
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{
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resultSet->close();
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POSTGRE_TRACE( "statement closed" );
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}
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}
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void Statement::raiseSQLException(
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const OUString & sql, const char * errorMsg, const char *errorType )
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throw( SQLException )
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{
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OUStringBuffer buf(128);
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buf.appendAscii( "pq_driver: ");
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if( errorType )
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{
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buf.appendAscii( "[" );
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buf.appendAscii( errorType );
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buf.appendAscii( "]" );
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}
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buf.append(
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rtl::OUString( errorMsg, strlen(errorMsg) , m_pSettings->encoding ) );
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buf.appendAscii( " (caused by statement '" );
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buf.append( sql );
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buf.appendAscii( "')" );
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OUString error = buf.makeStringAndClear();
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log( m_pSettings, LogLevel::ERROR, error );
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throw SQLException( error, *this, OUString(), 1, Any() );
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}
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Reference< XResultSet > Statement::executeQuery(const OUString& sql )
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throw (SQLException, RuntimeException)
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{
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Reference< XCloseable > lastResultSetHolder = m_lastResultset;
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if( lastResultSetHolder.is() )
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lastResultSetHolder->close();
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if( ! execute( sql ) )
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{
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raiseSQLException( sql, "not a query" );
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}
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return Reference< XResultSet > ( m_lastResultset, com::sun::star::uno::UNO_QUERY );
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}
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sal_Int32 Statement::executeUpdate( const OUString& sql )
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throw (SQLException, RuntimeException)
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{
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if( execute( sql ) )
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{
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raiseSQLException( sql, "not a command" );
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}
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return m_multipleResultUpdateCount;
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}
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static void raiseSQLException(
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ConnectionSettings *pSettings,
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const Reference< XInterface> & owner,
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const OString & sql,
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const char * errorMsg,
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const char *errorType = 0 )
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throw( SQLException )
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{
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OUStringBuffer buf(128);
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buf.appendAscii( "pq_driver: ");
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if( errorType )
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{
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buf.appendAscii( "[" );
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buf.appendAscii( errorType );
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buf.appendAscii( "]" );
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}
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buf.append(
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rtl::OUString( errorMsg, strlen(errorMsg) , pSettings->encoding ) );
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buf.appendAscii( " (caused by statement '" );
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buf.append( rtl::OStringToOUString( sql, pSettings->encoding ) );
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buf.appendAscii( "')" );
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OUString error = buf.makeStringAndClear();
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log( pSettings, LogLevel::ERROR, error );
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throw SQLException( error, owner, OUString(), 1, Any() );
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}
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// returns the elements of the primary key of the given table
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// static Sequence< Reference< com::sun::star::beans::XPropertySet > > lookupKeys(
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static Sequence< ::rtl::OUString > lookupKeys(
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const Reference< com::sun::star::container::XNameAccess > &tables,
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const OUString & table,
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OUString *pSchema,
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OUString *pTable,
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ConnectionSettings *pSettings)
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{
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Sequence< ::rtl::OUString > ret;
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Reference< XKeysSupplier > keySupplier;
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Statics & st = getStatics();
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if( tables->hasByName( table ) )
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tables->getByName( table ) >>= keySupplier;
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else if( -1 == table.indexOf( '.' ) )
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{
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// it wasn't a fully qualified name. Now need to skip through all tables.
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Reference< XEnumerationAccess > enumerationAccess =
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Reference< XEnumerationAccess > ( tables, UNO_QUERY );
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Reference< com::sun::star::container::XEnumeration > enumeration =
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enumerationAccess->createEnumeration();
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while( enumeration->hasMoreElements() )
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{
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Reference< XPropertySet > set;
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enumeration->nextElement() >>= set;
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OUString name;
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// ::rtl::OUString schema;
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if( set->getPropertyValue( st.NAME ) >>= name )
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{
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// printf( "searching %s %s\n",
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// OUStringToOString( schema, RTL_TEXTENCODING_ASCII_US ).getStr(),
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// OUStringToOString( name, RTL_TEXTENCODING_ASCII_US ).getStr() );
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if( name == table )
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{
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if( keySupplier.is() )
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{
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// is ambigous, as I don't know postgresql searchpath,
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// I can't continue here, as I may write to a different table
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keySupplier.clear();
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if( isLog( pSettings, LogLevel::INFO ) )
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{
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rtl::OStringBuffer buf( 128 );
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buf.append( "Can't offer updateable result set because table " );
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buf.append( OUStringToOString(name, pSettings->encoding) );
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buf.append( " is duplicated, add schema to resolve ambiguity" );
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log( pSettings, LogLevel::INFO, buf.makeStringAndClear().getStr() );
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}
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break;
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}
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keySupplier = Reference< XKeysSupplier > ( set, UNO_QUERY );
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}
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}
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}
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}
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else
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{
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if( isLog( pSettings, LogLevel::INFO ) )
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{
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rtl::OStringBuffer buf( 128 );
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buf.append( "Can't offer updateable result set ( table " );
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buf.append( OUStringToOString(table, pSettings->encoding) );
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buf.append( " is unknown)" );
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log( pSettings, LogLevel::INFO, buf.makeStringAndClear().getStr() );
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}
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}
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if( keySupplier.is() )
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{
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Reference< XPropertySet > set( keySupplier, UNO_QUERY );
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set->getPropertyValue( getStatics().NAME ) >>= (*pTable);
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set->getPropertyValue( getStatics().SCHEMA_NAME ) >>= (*pSchema );
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set.clear();
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Reference< XEnumerationAccess > keys ( keySupplier->getKeys(), UNO_QUERY );
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|
Reference< XEnumeration > enumeration = keys->createEnumeration();
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|
while( enumeration->hasMoreElements() )
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|
{
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enumeration->nextElement() >>= set;
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|
sal_Int32 keyType;
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if( (set->getPropertyValue( st.TYPE ) >>= keyType ) &&
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keyType == com::sun::star::sdbcx::KeyType::PRIMARY )
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{
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Reference< XColumnsSupplier > columns( set, UNO_QUERY );
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Reference< XIndexAccess > indexAccess =
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Reference< XIndexAccess > ( columns->getColumns(), UNO_QUERY );
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int length = indexAccess->getCount();
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ret.realloc( length );
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// printf( "primary key for Table %s is ",
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// OUStringToOString( table, RTL_TEXTENCODING_ASCII_US ).getStr() );
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for( int i = 0 ; i < length ; i ++ )
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{
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indexAccess->getByIndex( i ) >>= set;
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OUString name;
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set->getPropertyValue( st.NAME ) >>= name;
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ret[i] = name;
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// printf( "%s," , OUStringToOString( name, RTL_TEXTENCODING_ASCII_US ).getStr() );
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}
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|
// printf( "\n" );
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|
}
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|
}
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|
if( ! ret.getLength() )
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|
{
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|
if( isLog( pSettings, LogLevel::INFO ) )
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{
|
|
rtl::OStringBuffer buf( 128 );
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|
buf.append( "Can't offer updateable result set ( table " );
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|
buf.append( OUStringToOString(table, pSettings->encoding) );
|
|
buf.append( " does not have a primary key)" );
|
|
log( pSettings, LogLevel::INFO, buf.makeStringAndClear().getStr() );
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
bool executePostgresCommand( const rtl::OString & cmd, struct CommandData *data )
|
|
{
|
|
ConnectionSettings *pSettings = *(data->ppSettings);
|
|
|
|
sal_Int32 duration = osl_getGlobalTimer();
|
|
PGresult *result = PQexec( pSettings->pConnection, cmd.getStr() );
|
|
duration = osl_getGlobalTimer() - duration;
|
|
if( ! result )
|
|
raiseSQLException(
|
|
pSettings, data->owner, cmd, PQerrorMessage( pSettings->pConnection ) );
|
|
|
|
ExecStatusType state = PQresultStatus( result );
|
|
*(data->pLastOidInserted) = 0;
|
|
*(data->pLastTableInserted) = rtl::OUString();
|
|
*(data->pLastQuery) = cmd;
|
|
|
|
sal_Bool ret = sal_False;
|
|
switch( state )
|
|
{
|
|
case PGRES_COMMAND_OK:
|
|
{
|
|
*(data->pMultipleResultUpdateCount) = atoi( PQcmdTuples( result ) );
|
|
*(data->pMultipleResultAvailable) = sal_False;
|
|
|
|
// in case an oid value is available, we retrieve it
|
|
*(data->pLastOidInserted) = PQoidValue( result );
|
|
|
|
// in case it was a single insert, extract the name of the table,
|
|
// otherwise the table name is empty
|
|
*(data->pLastTableInserted) =
|
|
extractTableFromInsert( OStringToOUString( cmd, pSettings->encoding ) );
|
|
if( isLog( pSettings, LogLevel::SQL ) )
|
|
{
|
|
rtl::OStringBuffer buf( 128 );
|
|
buf.append( "executed command '" );
|
|
buf.append( cmd.getStr() );
|
|
buf.append( "' sucessfully (" );
|
|
buf.append( *( data->pMultipleResultUpdateCount ) );
|
|
buf.append( ")" );
|
|
buf.append( ", duration=" );
|
|
buf.append( duration );
|
|
buf.append( "ms" );
|
|
if( *(data->pLastOidInserted) )
|
|
{
|
|
buf.append( ", usedOid=" );
|
|
buf.append( *(data->pLastOidInserted) , 10 );
|
|
buf.append( ", diagnosedTable=" );
|
|
buf.append(
|
|
OUStringToOString( *data->pLastTableInserted, pSettings->encoding ) );
|
|
}
|
|
log( pSettings, LogLevel::SQL, buf.makeStringAndClear().getStr() );
|
|
}
|
|
PQclear( result );
|
|
break;
|
|
}
|
|
case PGRES_TUPLES_OK: // success
|
|
{
|
|
// In case it is a single table, it has a primary key and all columns
|
|
// belonging to the primary key are in the result set, allow updateable result sets
|
|
// otherwise, don't
|
|
rtl::OUString table, schema;
|
|
Sequence< OUString > sourceTableKeys;
|
|
OStringVector vec;
|
|
tokenizeSQL( cmd, vec );
|
|
OUString sourceTable =
|
|
OStringToOUString(
|
|
extractSingleTableFromSelect( vec ), pSettings->encoding );
|
|
|
|
if( data->concurrency ==
|
|
com::sun::star::sdbc::ResultSetConcurrency::UPDATABLE )
|
|
{
|
|
OString aReason;
|
|
if( sourceTable.getLength() )
|
|
{
|
|
sourceTableKeys = lookupKeys(
|
|
pSettings->tables.is() ?
|
|
pSettings->tables : data->tableSupplier->getTables() ,
|
|
sourceTable,
|
|
&schema,
|
|
&table,
|
|
pSettings);
|
|
|
|
// check, whether the columns are in the result set (required !)
|
|
int i;
|
|
for( i = 0 ; i < sourceTableKeys.getLength() ; i ++ )
|
|
{
|
|
if( -1 == PQfnumber(
|
|
result,
|
|
OUStringToOString( sourceTableKeys[i] ,
|
|
pSettings->encoding ).getStr()) )
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if( sourceTableKeys.getLength() && i == sourceTableKeys.getLength() )
|
|
{
|
|
*(data->pLastResultset) =
|
|
UpdateableResultSet::createFromPGResultSet(
|
|
data->refMutex, data->owner, data->ppSettings, result,
|
|
schema, table,sourceTableKeys );
|
|
}
|
|
else if( ! table.getLength() )
|
|
{
|
|
rtl::OStringBuffer buf( 128 );
|
|
buf.append(
|
|
RTL_CONSTASCII_STRINGPARAM(
|
|
"can't support updateable resultset, because a single table in the "
|
|
"WHERE part of the statement could not be identified (" ) );
|
|
buf.append( cmd );
|
|
buf.append( RTL_CONSTASCII_STRINGPARAM( "." ) );
|
|
aReason = buf.makeStringAndClear();
|
|
}
|
|
else if( sourceTableKeys.getLength() )
|
|
{
|
|
::rtl::OStringBuffer buf( 128 );
|
|
buf.append(
|
|
RTL_CONSTASCII_STRINGPARAM(
|
|
"can't support updateable resultset for table " ) );
|
|
buf.append( rtl::OUStringToOString( schema, pSettings->encoding ) );
|
|
buf.append( RTL_CONSTASCII_STRINGPARAM( "." ) );
|
|
buf.append( rtl::OUStringToOString( table, pSettings->encoding ) );
|
|
buf.append( RTL_CONSTASCII_STRINGPARAM( ", because resultset does not contain a part of the primary key ( column " ) );
|
|
buf.append( rtl::OUStringToOString( sourceTableKeys[i], pSettings->encoding ) );
|
|
buf.append( RTL_CONSTASCII_STRINGPARAM( " is missing )") );
|
|
aReason = buf.makeStringAndClear();
|
|
}
|
|
else
|
|
{
|
|
|
|
::rtl::OStringBuffer buf( 128 );
|
|
buf.append(
|
|
RTL_CONSTASCII_STRINGPARAM(
|
|
"can't support updateable resultset for table " ) );
|
|
buf.append( rtl::OUStringToOString( schema, pSettings->encoding ) );
|
|
buf.append( RTL_CONSTASCII_STRINGPARAM( "." ) );
|
|
buf.append( rtl::OUStringToOString( table, pSettings->encoding ) );
|
|
buf.append( RTL_CONSTASCII_STRINGPARAM( ", because resultset table does not have a primary key " ) );
|
|
aReason = buf.makeStringAndClear();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
::rtl::OStringBuffer buf( 128 );
|
|
buf.append(
|
|
RTL_CONSTASCII_STRINGPARAM(
|
|
"can't support updateable result for selects with multiple tables (" ) );
|
|
buf.append( cmd );
|
|
buf.append( RTL_CONSTASCII_STRINGPARAM( ")" ) );
|
|
log( pSettings, LogLevel::SQL, buf.makeStringAndClear().getStr() );
|
|
}
|
|
if( ! (*(data->pLastResultset)).is() )
|
|
{
|
|
if( isLog( pSettings, LogLevel::ERROR ) )
|
|
{
|
|
log( pSettings, LogLevel::ERROR, aReason.getStr());
|
|
}
|
|
|
|
// TODO: How to react here correctly ?
|
|
// remove this piece of code
|
|
*(data->pLastResultset) =
|
|
new FakedUpdateableResultSet(
|
|
data->refMutex, data->owner,
|
|
data->ppSettings,result, schema, table,
|
|
OStringToOUString( aReason, pSettings->encoding) );
|
|
}
|
|
|
|
}
|
|
else if( sourceTable.getLength() && -1 != sourceTable.indexOf( '.' ) )
|
|
{
|
|
splitConcatenatedIdentifier( sourceTable, &schema, &table );
|
|
}
|
|
|
|
sal_Int32 returnedRows = PQntuples( result );
|
|
if( ! data->pLastResultset->is() )
|
|
*(data->pLastResultset) =
|
|
Reference< XCloseable > (
|
|
new ResultSet(
|
|
data->refMutex, data->owner,
|
|
data->ppSettings,result, schema, table ) );
|
|
*(data->pMultipleResultAvailable) = sal_True;
|
|
ret = sal_True;
|
|
if( isLog( pSettings, LogLevel::SQL ) )
|
|
{
|
|
rtl::OStringBuffer buf( 128 );
|
|
buf.append( RTL_CONSTASCII_STRINGPARAM("executed query '") );
|
|
buf.append( cmd );
|
|
buf.append( RTL_CONSTASCII_STRINGPARAM("' sucessfully") );
|
|
buf.append( RTL_CONSTASCII_STRINGPARAM(", duration=") );
|
|
buf.append( duration );
|
|
buf.append( RTL_CONSTASCII_STRINGPARAM("ms, returnedRows=") );
|
|
buf.append( returnedRows );
|
|
buf.append( RTL_CONSTASCII_STRINGPARAM("." ) );
|
|
log( pSettings, LogLevel::SQL, buf.makeStringAndClear().getStr() );
|
|
}
|
|
break;
|
|
}
|
|
case PGRES_EMPTY_QUERY:
|
|
case PGRES_COPY_OUT:
|
|
case PGRES_COPY_IN:
|
|
case PGRES_BAD_RESPONSE:
|
|
case PGRES_NONFATAL_ERROR:
|
|
case PGRES_FATAL_ERROR:
|
|
default:
|
|
raiseSQLException(
|
|
pSettings, data->owner, cmd, PQresultErrorMessage( result ) , PQresStatus( state ) );
|
|
}
|
|
return ret;
|
|
|
|
}
|
|
|
|
static Sequence< OUString > getPrimaryKeyColumnNames(
|
|
const Reference< XConnection > & connection, const OUString &schemaName, const OUString &tableName )
|
|
{
|
|
Sequence< OUString > ret;
|
|
|
|
Int2StringMap mapIndex2Name;
|
|
fillAttnum2attnameMap( mapIndex2Name, connection, schemaName, tableName );
|
|
|
|
// retrieve the primary key ...
|
|
Reference< XPreparedStatement > stmt = connection->prepareStatement(
|
|
ASCII_STR(
|
|
"SELECT conkey " // 7
|
|
"FROM pg_constraint INNER JOIN pg_class ON conrelid = pg_class.oid "
|
|
"INNER JOIN pg_namespace ON pg_class.relnamespace = pg_namespace.oid "
|
|
"LEFT JOIN pg_class AS class2 ON confrelid = class2.oid "
|
|
"LEFT JOIN pg_namespace AS nmsp2 ON class2.relnamespace=nmsp2.oid "
|
|
"WHERE pg_class.relname = ? AND pg_namespace.nspname = ? AND pg_constraint.contype='p'" ) );
|
|
DisposeGuard guard( stmt );
|
|
Reference< XParameters > paras( stmt, UNO_QUERY );
|
|
paras->setString( 1 , tableName );
|
|
paras->setString( 2 , schemaName );
|
|
Reference< XResultSet > rs = stmt->executeQuery();
|
|
Reference< XRow > xRow( rs , UNO_QUERY );
|
|
|
|
if( rs->next() )
|
|
{
|
|
ret = convertMappedIntArray2StringArray( mapIndex2Name, string2intarray(xRow->getString( 1 ) ) );
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void getAutoValues(
|
|
String2StringMap & result,
|
|
const Reference< XConnection > & connection,
|
|
const OUString &schemaName,
|
|
const OUString & tableName )
|
|
{
|
|
Reference< XPreparedStatement > stmt = connection->prepareStatement(
|
|
ASCII_STR("SELECT pg_attribute.attname, pg_attrdef.adsrc "
|
|
"FROM pg_class, pg_namespace, pg_attribute "
|
|
"LEFT JOIN pg_attrdef ON pg_attribute.attrelid = pg_attrdef.adrelid AND "
|
|
"pg_attribute.attnum = pg_attrdef.adnum "
|
|
"WHERE pg_attribute.attrelid = pg_class.oid AND "
|
|
"pg_class.relnamespace = pg_namespace.oid AND "
|
|
"pg_namespace.nspname = ? AND "
|
|
// LEM TODO: this is weird; why "LIKE" and not "="?
|
|
// Most probably gives problems if tableName contains '%'
|
|
"pg_class.relname LIKE ? AND "
|
|
"pg_attrdef.adsrc != ''"
|
|
) );
|
|
DisposeGuard guard( stmt );
|
|
Reference< XParameters > paras( stmt, UNO_QUERY );
|
|
paras->setString( 1 , schemaName );
|
|
paras->setString( 2 , tableName );
|
|
Reference< XResultSet > rs = stmt->executeQuery();
|
|
Reference< XRow > xRow( rs , UNO_QUERY );
|
|
|
|
while( rs->next() )
|
|
{
|
|
result[ OUStringToOString( xRow->getString( 1 ), RTL_TEXTENCODING_ASCII_US) ] =
|
|
OUStringToOString( xRow->getString(2), RTL_TEXTENCODING_ASCII_US );
|
|
}
|
|
}
|
|
|
|
Reference< XResultSet > getGeneratedValuesFromLastInsert(
|
|
ConnectionSettings *pConnectionSettings,
|
|
const Reference< XConnection > &connection,
|
|
sal_Int32 nLastOid,
|
|
const rtl::OUString & lastTableInserted,
|
|
const rtl::OString & lastQuery )
|
|
{
|
|
Reference< XResultSet > ret;
|
|
OUString query;
|
|
OUString schemaName, tableName;
|
|
splitConcatenatedIdentifier(
|
|
lastTableInserted, &schemaName, &tableName );
|
|
|
|
if( nLastOid && lastTableInserted.getLength() )
|
|
{
|
|
OUStringBuffer buf( 128 );
|
|
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM( "SELECT * FROM " ) );
|
|
if( schemaName.getLength() )
|
|
bufferQuoteQualifiedIdentifier(buf, schemaName, tableName, pConnectionSettings );
|
|
else
|
|
bufferQuoteIdentifier( buf, lastTableInserted, pConnectionSettings );
|
|
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM( " WHERE oid = " ) );
|
|
buf.append( nLastOid , 10 );
|
|
query = buf.makeStringAndClear();
|
|
}
|
|
else if ( lastTableInserted.getLength() && lastQuery.getLength() )
|
|
{
|
|
// extract nameValue Pairs
|
|
String2StringMap namedValues;
|
|
extractNameValuePairsFromInsert( namedValues, lastQuery );
|
|
|
|
// debug ...
|
|
// rtl::OStringBuffer buf( 128);
|
|
// buf.append( "extracting name/value from '" );
|
|
// buf.append( lastQuery.getStr() );
|
|
// buf.append( "' to [" );
|
|
// for( String2StringMap::iterator ii = namedValues.begin() ; ii != namedValues.end() ; ++ii )
|
|
// {
|
|
// buf.append( ii->first.getStr() );
|
|
// buf.append( "=" );
|
|
// buf.append( ii->second.getStr() );
|
|
// buf.append( "," );
|
|
// }
|
|
// buf.append( "]\n" );
|
|
// printf( "%s", buf.makeStringAndClear() );
|
|
|
|
// TODO: make also unqualified tables names work here. Have a look at 2.8.3. The Schema Search Path
|
|
// in postgresql doc
|
|
|
|
Sequence< OUString > keyColumnNames = getPrimaryKeyColumnNames( connection, schemaName, tableName );
|
|
if( keyColumnNames.getLength() )
|
|
{
|
|
OUStringBuffer buf( 128 );
|
|
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM( "SELECT * FROM " ) );
|
|
bufferQuoteQualifiedIdentifier(buf, schemaName, tableName, pConnectionSettings );
|
|
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM( " WHERE " ) );
|
|
bool additionalCondition = false;
|
|
String2StringMap autoValues;
|
|
for( int i = 0 ; i < keyColumnNames.getLength() ; i ++ )
|
|
{
|
|
OUString value;
|
|
OString columnName = OUStringToOString( keyColumnNames[i], pConnectionSettings->encoding );
|
|
String2StringMap::iterator ii = namedValues.begin();
|
|
for( ; ii != namedValues.end() ; ++ii )
|
|
{
|
|
if( columnName.equalsIgnoreAsciiCase( ii->first ) )
|
|
{
|
|
value = OStringToOUString( ii->second , pConnectionSettings->encoding );
|
|
break;
|
|
}
|
|
}
|
|
|
|
// check, if a column of the primary key was not inserted explicitly,
|
|
if( ii == namedValues.end() )
|
|
{
|
|
|
|
if( autoValues.begin() == autoValues.end() )
|
|
{
|
|
getAutoValues( autoValues, connection, schemaName, tableName );
|
|
}
|
|
// this could mean, that the column is a default or auto value, check this ...
|
|
String2StringMap::iterator j = autoValues.begin();
|
|
for( ; j != autoValues.end() ; ++j )
|
|
{
|
|
if( columnName.equalsIgnoreAsciiCase( j->first ) )
|
|
{
|
|
// it is indeed an auto value.
|
|
value = OStringToOUString(j->second, RTL_TEXTENCODING_ASCII_US );
|
|
// check, whether it is a sequence
|
|
|
|
if( rtl_str_shortenedCompare_WithLength(
|
|
j->second.getStr(), j->second.getLength(),
|
|
RTL_CONSTASCII_STRINGPARAM( "nextval(" ), 8 ) == 0 )
|
|
{
|
|
// retrieve current sequence value:
|
|
OUStringBuffer myBuf(128 );
|
|
myBuf.appendAscii( RTL_CONSTASCII_STRINGPARAM( "SELECT currval(" ) );
|
|
myBuf.appendAscii( &(j->second.getStr()[8]));
|
|
value = querySingleValue( connection, myBuf.makeStringAndClear() );
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if( j == autoValues.end() )
|
|
{
|
|
// it even was no autovalue, no sense to continue as we can't query the
|
|
// inserted row
|
|
buf = OUStringBuffer();
|
|
break;
|
|
}
|
|
}
|
|
|
|
if( additionalCondition )
|
|
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM( " AND " ) );
|
|
bufferQuoteIdentifier( buf, keyColumnNames[i], pConnectionSettings );
|
|
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM( " = " ) );
|
|
buf.append( value );
|
|
additionalCondition = true;
|
|
}
|
|
query = buf.makeStringAndClear();
|
|
}
|
|
}
|
|
|
|
if( query.getLength() )
|
|
{
|
|
Reference< com::sun::star::sdbc::XStatement > stmt = connection->createStatement();
|
|
ret = stmt->executeQuery( query );
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
sal_Bool Statement::execute( const OUString& sql )
|
|
throw (SQLException, RuntimeException)
|
|
{
|
|
osl::MutexGuard guard( m_refMutex->mutex );
|
|
checkClosed();
|
|
OString cmd = OUStringToOString( sql, m_pSettings );
|
|
|
|
m_lastResultset.clear();
|
|
m_lastTableInserted = rtl::OUString();
|
|
|
|
struct CommandData data;
|
|
data.refMutex = m_refMutex;
|
|
data.ppSettings = &m_pSettings;
|
|
data.pLastOidInserted = &m_lastOidInserted;
|
|
data.pLastQuery = &m_lastQuery;
|
|
data.pMultipleResultUpdateCount = &m_multipleResultUpdateCount;
|
|
data.pMultipleResultAvailable = &m_multipleResultAvailable;
|
|
data.pLastTableInserted = &m_lastTableInserted;
|
|
data.pLastResultset = &m_lastResultset;
|
|
data.owner = *this;
|
|
data.tableSupplier = Reference< com::sun::star::sdbcx::XTablesSupplier >( m_connection, UNO_QUERY );
|
|
data.concurrency =
|
|
extractIntProperty( this, getStatics().RESULT_SET_CONCURRENCY );
|
|
return executePostgresCommand( cmd , &data );
|
|
}
|
|
|
|
Reference< XConnection > Statement::getConnection( )
|
|
throw (SQLException, RuntimeException)
|
|
{
|
|
Reference< XConnection > ret;
|
|
{
|
|
MutexGuard guard( m_refMutex->mutex );
|
|
checkClosed();
|
|
ret = m_connection;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
Any Statement::getWarnings( )
|
|
throw (SQLException,RuntimeException)
|
|
{
|
|
return Any();
|
|
}
|
|
|
|
void Statement::clearWarnings( )
|
|
throw (SQLException, RuntimeException)
|
|
{
|
|
}
|
|
|
|
Reference< ::com::sun::star::sdbc::XResultSetMetaData > Statement::getMetaData()
|
|
throw (SQLException,RuntimeException)
|
|
{
|
|
Reference< com::sun::star::sdbc::XResultSetMetaData > ret;
|
|
Reference< com::sun::star::sdbc::XResultSetMetaDataSupplier > supplier( m_lastResultset, UNO_QUERY );
|
|
if( supplier.is() )
|
|
ret = supplier->getMetaData();
|
|
return ret;
|
|
}
|
|
|
|
|
|
::cppu::IPropertyArrayHelper & Statement::getInfoHelper()
|
|
{
|
|
return getStatementPropertyArrayHelper();
|
|
}
|
|
|
|
|
|
sal_Bool Statement::convertFastPropertyValue(
|
|
Any & rConvertedValue, Any & rOldValue, sal_Int32 nHandle, const Any& rValue )
|
|
throw (IllegalArgumentException)
|
|
{
|
|
rOldValue = m_props[nHandle];
|
|
sal_Bool bRet;
|
|
switch( nHandle )
|
|
{
|
|
case STATEMENT_CURSOR_NAME:
|
|
{
|
|
OUString val;
|
|
bRet = ( rValue >>= val );
|
|
rConvertedValue = makeAny( val );
|
|
break;
|
|
}
|
|
case STATEMENT_ESCAPE_PROCESSING:
|
|
{
|
|
sal_Bool val;
|
|
bRet = ( rValue >>= val );
|
|
rConvertedValue = makeAny( val );
|
|
break;
|
|
}
|
|
case STATEMENT_FETCH_DIRECTION:
|
|
case STATEMENT_FETCH_SIZE:
|
|
case STATEMENT_MAX_FIELD_SIZE:
|
|
case STATEMENT_MAX_ROWS:
|
|
case STATEMENT_QUERY_TIME_OUT:
|
|
case STATEMENT_RESULT_SET_CONCURRENCY:
|
|
case STATEMENT_RESULT_SET_TYPE:
|
|
{
|
|
sal_Int32 val;
|
|
bRet = ( rValue >>= val );
|
|
rConvertedValue = makeAny( val );
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
OUStringBuffer buf(128);
|
|
buf.appendAscii( "pq_statement: Invalid property handle (" );
|
|
buf.append( nHandle );
|
|
buf.appendAscii( ")" );
|
|
throw IllegalArgumentException( buf.makeStringAndClear(), *this, 2 );
|
|
}
|
|
}
|
|
return bRet;
|
|
}
|
|
|
|
|
|
void Statement::setFastPropertyValue_NoBroadcast(
|
|
sal_Int32 nHandle,const Any& rValue ) throw (Exception)
|
|
{
|
|
m_props[nHandle] = rValue;
|
|
}
|
|
|
|
void Statement::getFastPropertyValue( Any& rValue, sal_Int32 nHandle ) const
|
|
{
|
|
rValue = m_props[nHandle];
|
|
}
|
|
|
|
Reference < XPropertySetInfo > Statement::getPropertySetInfo()
|
|
throw(RuntimeException)
|
|
{
|
|
return OPropertySetHelper::createPropertySetInfo( getStatementPropertyArrayHelper() );
|
|
}
|
|
|
|
|
|
Reference< XResultSet > Statement::getResultSet( )
|
|
throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
|
|
{
|
|
return Reference< XResultSet > ( m_lastResultset, com::sun::star::uno::UNO_QUERY );
|
|
}
|
|
|
|
sal_Int32 Statement::getUpdateCount( )
|
|
throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
|
|
{
|
|
return m_multipleResultUpdateCount;
|
|
}
|
|
|
|
sal_Bool Statement::getMoreResults( )
|
|
throw (::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
|
|
{
|
|
return sal_False;
|
|
}
|
|
|
|
|
|
|
|
void Statement::disposing()
|
|
{
|
|
close();
|
|
}
|
|
|
|
Reference< XResultSet > Statement::getGeneratedValues( )
|
|
throw (SQLException, RuntimeException)
|
|
{
|
|
osl::MutexGuard guard( m_refMutex->mutex );
|
|
return getGeneratedValuesFromLastInsert(
|
|
m_pSettings, m_connection, m_lastOidInserted, m_lastTableInserted, m_lastQuery );
|
|
}
|
|
|
|
}
|