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-rw-r--r--connectivity/source/drivers/mork/MStatement.cxx471
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+/* -*- 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 <tools/diagnose_ex.h>
+#include <sal/log.hxx>
+#include <cppuhelper/queryinterface.hxx>
+#include <cppuhelper/typeprovider.hxx>
+#include <comphelper/processfactory.hxx>
+#include <connectivity/dbexception.hxx>
+
+#include <algorithm>
+
+#include "MDriver.hxx"
+#include "MStatement.hxx"
+#include <sqlbison.hxx>
+#include "MResultSet.hxx"
+
+#include <strings.hrc>
+
+static ::osl::Mutex m_ThreadMutex;
+
+using namespace ::comphelper;
+using namespace connectivity::mork;
+using namespace connectivity;
+
+using namespace com::sun::star::uno;
+using namespace com::sun::star::lang;
+using namespace com::sun::star::beans;
+using namespace com::sun::star::sdbc;
+using namespace com::sun::star::container;
+using namespace com::sun::star::io;
+using namespace com::sun::star::util;
+
+
+OStatement::OStatement( OConnection* _pConnection) : OCommonStatement( _pConnection)
+{
+}
+
+OCommonStatement::OCommonStatement(OConnection* _pConnection )
+ :OCommonStatement_IBASE(m_aMutex)
+ ,OPropertySetHelper(OCommonStatement_IBASE::rBHelper)
+ ,m_xDBMetaData (_pConnection->getMetaData())
+ ,m_pTable(nullptr)
+ ,m_pConnection(_pConnection)
+ ,m_aParser( comphelper::getComponentContext(_pConnection->getDriver()->getFactory()) )
+ ,m_pSQLIterator( std::make_shared<OSQLParseTreeIterator>( _pConnection, _pConnection->createCatalog()->getTables(), m_aParser ) )
+{
+}
+
+
+OCommonStatement::~OCommonStatement()
+{
+}
+
+
+void OCommonStatement::disposing()
+{
+ ::osl::MutexGuard aGuard(m_aMutex);
+
+ clearWarnings();
+ clearCachedResultSet();
+
+ m_pConnection.clear();
+
+ m_pSQLIterator->dispose();
+ m_pParseTree.reset();
+
+ OCommonStatement_IBASE::disposing();
+}
+
+Any SAL_CALL OCommonStatement::queryInterface( const Type & rType )
+{
+ Any aRet = OCommonStatement_IBASE::queryInterface(rType);
+ if(!aRet.hasValue())
+ aRet = OPropertySetHelper::queryInterface(rType);
+ return aRet;
+}
+
+Sequence< Type > SAL_CALL OCommonStatement::getTypes( )
+{
+ ::cppu::OTypeCollection aTypes( cppu::UnoType<XMultiPropertySet>::get(),
+ cppu::UnoType<XFastPropertySet>::get(),
+ cppu::UnoType<XPropertySet>::get());
+
+ return ::comphelper::concatSequences(aTypes.getTypes(),OCommonStatement_IBASE::getTypes());
+}
+
+void SAL_CALL OCommonStatement::close( )
+{
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OCommonStatement_IBASE::rBHelper.bDisposed);
+ }
+ dispose();
+}
+
+OCommonStatement::StatementType OCommonStatement::parseSql( const OUString& sql , bool bAdjusted)
+{
+ OUString aErr;
+
+ m_pParseTree = m_aParser.parseTree(aErr,sql);
+
+ if(m_pParseTree)
+ {
+ m_pSQLIterator->setParseTree(m_pParseTree.get());
+ m_pSQLIterator->traverseAll();
+ const OSQLTables& rTabs = m_pSQLIterator->getTables();
+
+ if (rTabs.empty())
+ {
+ getOwnConnection()->throwSQLException( STR_QUERY_AT_LEAST_ONE_TABLES, *this );
+ }
+
+ Reference<XIndexAccess> xNames;
+ switch(m_pSQLIterator->getStatementType())
+ {
+ case OSQLStatementType::Select:
+
+ // at this moment we support only one table per select statement
+
+ OSL_ENSURE( !rTabs.empty(), "Need a Table");
+
+ m_pTable = static_cast< OTable* > (rTabs.begin()->second.get());
+ m_xColNames = m_pTable->getColumns();
+ xNames.set(m_xColNames,UNO_QUERY);
+ // set the binding of the resultrow
+ m_aRow = new OValueVector(xNames->getCount());
+ (*m_aRow)[0].setBound(true);
+ std::for_each(m_aRow->begin()+1,m_aRow->end(),TSetBound(false));
+ // create the column mapping
+ createColumnMapping();
+
+ analyseSQL();
+ return eSelect;
+
+ case OSQLStatementType::CreateTable:
+ return eCreateTable;
+
+ default:
+ break;
+ }
+ }
+ else if(!bAdjusted) //Our sql parser does not support a statement like "create table foo"
+ // So we append ("E-mail" varchar) to the last of it to make it work
+ {
+ return parseSql(sql + "(""E-mail"" character)", true);
+ }
+
+ getOwnConnection()->throwSQLException( STR_QUERY_TOO_COMPLEX, *this );
+ OSL_FAIL( "OCommonStatement::parseSql: unreachable!" );
+ return eSelect;
+
+}
+
+Reference< XResultSet > OCommonStatement::impl_executeCurrentQuery()
+{
+ clearCachedResultSet();
+
+ ::rtl::Reference pResult( new OResultSet( this, m_pSQLIterator ) );
+ initializeResultSet( pResult.get() );
+
+ pResult->executeQuery();
+ cacheResultSet( pResult ); // only cache if we survived the execution
+
+ return pResult.get();
+
+}
+
+
+void OCommonStatement::initializeResultSet( OResultSet* _pResult )
+{
+ ENSURE_OR_THROW( _pResult, "invalid result set" );
+
+ _pResult->setColumnMapping(m_aColMapping);
+ _pResult->setOrderByColumns(m_aOrderbyColumnNumber);
+ _pResult->setOrderByAscending(m_aOrderbyAscending);
+ _pResult->setBindingRow(m_aRow);
+ _pResult->setTable(m_pTable);
+}
+
+
+void OCommonStatement::clearCachedResultSet()
+{
+ Reference< XResultSet > xResultSet( m_xResultSet.get(), UNO_QUERY );
+ if ( !xResultSet.is() )
+ return;
+
+ Reference< XCloseable >( xResultSet, UNO_QUERY_THROW )->close();
+
+ m_xResultSet.clear();
+}
+
+
+void OCommonStatement::cacheResultSet( const ::rtl::Reference< OResultSet >& _pResult )
+{
+ ENSURE_OR_THROW( _pResult.is(), "invalid result set" );
+ m_xResultSet = Reference< XResultSet >( _pResult.get() );
+}
+
+
+sal_Bool SAL_CALL OCommonStatement::execute( const OUString& sql )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OCommonStatement_IBASE::rBHelper.bDisposed);
+
+ Reference< XResultSet > xRS = executeQuery( sql );
+ // returns true when a resultset is available
+ return xRS.is();
+}
+
+
+Reference< XResultSet > SAL_CALL OCommonStatement::executeQuery( const OUString& sql )
+{
+ ::osl::MutexGuard aGuard( m_ThreadMutex );
+ checkDisposed(OCommonStatement_IBASE::rBHelper.bDisposed);
+
+ // parse the statement
+ StatementType eStatementType = parseSql( sql );
+ if ( eStatementType != eSelect )
+ return nullptr;
+
+ return impl_executeCurrentQuery();
+}
+
+
+Reference< XConnection > SAL_CALL OCommonStatement::getConnection( )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OCommonStatement_IBASE::rBHelper.bDisposed);
+
+ // just return our connection here
+ return Reference< XConnection >(m_pConnection.get());
+}
+
+Any SAL_CALL OStatement::queryInterface( const Type & rType )
+{
+ Any aRet = ::cppu::queryInterface(rType,static_cast< XServiceInfo*> (this));
+ if(!aRet.hasValue())
+ aRet = OCommonStatement::queryInterface(rType);
+ return aRet;
+}
+
+sal_Int32 SAL_CALL OCommonStatement::executeUpdate( const OUString& /*sql*/ )
+{
+ ::dbtools::throwFeatureNotImplementedSQLException( "XStatement::executeUpdate", *this );
+ return 0;
+
+}
+
+Any SAL_CALL OCommonStatement::getWarnings( )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OCommonStatement_IBASE::rBHelper.bDisposed);
+
+ return makeAny(m_aLastWarning);
+}
+
+
+void SAL_CALL OCommonStatement::clearWarnings( )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ checkDisposed(OCommonStatement_IBASE::rBHelper.bDisposed);
+
+
+ m_aLastWarning = SQLWarning();
+}
+
+::cppu::IPropertyArrayHelper* OCommonStatement::createArrayHelper( ) const
+{
+ // this properties are define by the service resultset
+ // they must in alphabetic order
+ Sequence< Property > aProps(9);
+ Property* pProperties = aProps.getArray();
+ sal_Int32 nPos = 0;
+ pProperties[nPos++] = css::beans::Property(::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_CURSORNAME),
+ PROPERTY_ID_CURSORNAME, cppu::UnoType<OUString>::get(), 0);
+ pProperties[nPos++] = css::beans::Property(::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ESCAPEPROCESSING),
+ PROPERTY_ID_ESCAPEPROCESSING, cppu::UnoType<bool>::get(), 0);
+ pProperties[nPos++] = css::beans::Property(::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_FETCHDIRECTION),
+ PROPERTY_ID_FETCHDIRECTION, cppu::UnoType<sal_Int32>::get(), 0);
+ pProperties[nPos++] = css::beans::Property(::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_FETCHSIZE),
+ PROPERTY_ID_FETCHSIZE, cppu::UnoType<sal_Int32>::get(), 0);
+ pProperties[nPos++] = css::beans::Property(::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_MAXFIELDSIZE),
+ PROPERTY_ID_MAXFIELDSIZE, cppu::UnoType<sal_Int32>::get(), 0);
+ pProperties[nPos++] = css::beans::Property(::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_MAXROWS),
+ PROPERTY_ID_MAXROWS, cppu::UnoType<sal_Int32>::get(), 0);
+ pProperties[nPos++] = css::beans::Property(::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_QUERYTIMEOUT),
+ PROPERTY_ID_QUERYTIMEOUT, cppu::UnoType<sal_Int32>::get(), 0);
+ pProperties[nPos++] = css::beans::Property(::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_RESULTSETCONCURRENCY),
+ PROPERTY_ID_RESULTSETCONCURRENCY, cppu::UnoType<sal_Int32>::get(), 0);
+ pProperties[nPos++] = css::beans::Property(::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_RESULTSETTYPE),
+ PROPERTY_ID_RESULTSETTYPE, cppu::UnoType<sal_Int32>::get(), 0);
+
+ return new ::cppu::OPropertyArrayHelper(aProps);
+}
+
+
+::cppu::IPropertyArrayHelper & OCommonStatement::getInfoHelper()
+{
+ return *getArrayHelper();
+}
+
+sal_Bool OCommonStatement::convertFastPropertyValue(
+ Any & /*rConvertedValue*/,
+ Any & /*rOldValue*/,
+ sal_Int32 /*nHandle*/,
+ const Any& /*rValue*/ )
+{
+ // here we have to try to convert
+ return false;
+}
+
+void OCommonStatement::setFastPropertyValue_NoBroadcast(sal_Int32 nHandle,const Any& /*rValue*/)
+{
+ // set the value to whatever is necessary
+ switch(nHandle)
+ {
+ case PROPERTY_ID_QUERYTIMEOUT:
+ case PROPERTY_ID_MAXFIELDSIZE:
+ case PROPERTY_ID_MAXROWS:
+ case PROPERTY_ID_RESULTSETCONCURRENCY:
+ case PROPERTY_ID_RESULTSETTYPE:
+ case PROPERTY_ID_FETCHDIRECTION:
+ case PROPERTY_ID_FETCHSIZE:
+ case PROPERTY_ID_ESCAPEPROCESSING:
+ default:
+ ;
+ }
+}
+
+void OCommonStatement::getFastPropertyValue(Any& /*rValue*/,sal_Int32 nHandle) const
+{
+ switch(nHandle)
+ {
+ case PROPERTY_ID_QUERYTIMEOUT:
+ case PROPERTY_ID_MAXFIELDSIZE:
+ case PROPERTY_ID_MAXROWS:
+ case PROPERTY_ID_RESULTSETCONCURRENCY:
+ case PROPERTY_ID_RESULTSETTYPE:
+ case PROPERTY_ID_FETCHDIRECTION:
+ case PROPERTY_ID_FETCHSIZE:
+ case PROPERTY_ID_ESCAPEPROCESSING:
+ default:
+ ;
+ }
+}
+
+IMPLEMENT_SERVICE_INFO(OStatement,"com.sun.star.sdbcx.OStatement","com.sun.star.sdbc.Statement");
+
+void SAL_CALL OCommonStatement::acquire() throw()
+{
+ OCommonStatement_IBASE::acquire();
+}
+
+void SAL_CALL OCommonStatement::release() throw()
+{
+ OCommonStatement_IBASE::release();
+}
+
+void SAL_CALL OStatement::acquire() throw()
+{
+ OCommonStatement::acquire();
+}
+
+void SAL_CALL OStatement::release() throw()
+{
+ OCommonStatement::release();
+}
+
+Reference< css::beans::XPropertySetInfo > SAL_CALL OCommonStatement::getPropertySetInfo( )
+{
+ return ::cppu::OPropertySetHelper::createPropertySetInfo(getInfoHelper());
+}
+
+void OCommonStatement::createColumnMapping()
+{
+ size_t i;
+
+ // initialize the column index map (mapping select columns to table columns)
+ ::rtl::Reference<connectivity::OSQLColumns> xColumns = m_pSQLIterator->getSelectColumns();
+ m_aColMapping.resize(xColumns->size() + 1);
+ for (i=0; i<m_aColMapping.size(); ++i)
+ m_aColMapping[i] = static_cast<sal_Int32>(i);
+
+ Reference<XIndexAccess> xNames(m_xColNames,UNO_QUERY);
+ // now check which columns are bound
+#if OSL_DEBUG_LEVEL > 0
+ for ( i = 0; i < m_aColMapping.size(); i++ )
+ SAL_INFO(
+ "connectivity.mork",
+ "BEFORE Mapped: " << i << " -> " << m_aColMapping[i]);
+#endif
+ OResultSet::setBoundedColumns(m_aRow,xColumns,xNames,true,m_xDBMetaData,m_aColMapping);
+#if OSL_DEBUG_LEVEL > 0
+ for ( i = 0; i < m_aColMapping.size(); i++ )
+ SAL_INFO(
+ "connectivity.mork",
+ "AFTER Mapped: " << i << " -> " << m_aColMapping[i]);
+#endif
+}
+
+
+void OCommonStatement::analyseSQL()
+{
+ const OSQLParseNode* pOrderbyClause = m_pSQLIterator->getOrderTree();
+ if(!pOrderbyClause)
+ return;
+
+ OSQLParseNode * pOrderingSpecCommalist = pOrderbyClause->getChild(2);
+ OSL_ENSURE(SQL_ISRULE(pOrderingSpecCommalist,ordering_spec_commalist),"OResultSet: Error in Parse Tree");
+
+ for (size_t m = 0; m < pOrderingSpecCommalist->count(); m++)
+ {
+ OSQLParseNode * pOrderingSpec = pOrderingSpecCommalist->getChild(m);
+ OSL_ENSURE(SQL_ISRULE(pOrderingSpec,ordering_spec),"OResultSet: Error in Parse Tree");
+ OSL_ENSURE(pOrderingSpec->count() == 2,"OResultSet: Error in Parse Tree");
+
+ OSQLParseNode * pColumnRef = pOrderingSpec->getChild(0);
+ if(!SQL_ISRULE(pColumnRef,column_ref))
+ {
+ throw SQLException();
+ }
+ OSQLParseNode * pAscendingDescending = pOrderingSpec->getChild(1);
+ setOrderbyColumn(pColumnRef,pAscendingDescending);
+ }
+}
+
+void OCommonStatement::setOrderbyColumn(OSQLParseNode const * pColumnRef,
+ OSQLParseNode const * pAscendingDescending)
+{
+ OUString aColumnName;
+ if (pColumnRef->count() == 1)
+ aColumnName = pColumnRef->getChild(0)->getTokenValue();
+ else if (pColumnRef->count() == 3)
+ {
+ pColumnRef->getChild(2)->parseNodeToStr( aColumnName, getOwnConnection(), nullptr, false, false );
+ }
+ else
+ {
+ throw SQLException();
+ }
+
+ Reference<XColumnLocate> xColLocate(m_xColNames,UNO_QUERY);
+ if(!xColLocate.is())
+ return;
+
+ m_aOrderbyColumnNumber.push_back(xColLocate->findColumn(aColumnName));
+
+ // Ascending or Descending?
+ m_aOrderbyAscending.push_back(SQL_ISTOKEN(pAscendingDescending,DESC) ? TAscendingOrder::DESC : TAscendingOrder::ASC);
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */