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Diffstat (limited to 'dbaccess/source/core/api/CacheSet.cxx')
| -rw-r--r-- | dbaccess/source/core/api/CacheSet.cxx | 579 |
1 files changed, 579 insertions, 0 deletions
diff --git a/dbaccess/source/core/api/CacheSet.cxx b/dbaccess/source/core/api/CacheSet.cxx new file mode 100644 index 000000000..92c1484ed --- /dev/null +++ b/dbaccess/source/core/api/CacheSet.cxx @@ -0,0 +1,579 @@ +/* -*- 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 "CacheSet.hxx" +#include <core_resource.hxx> +#include <strings.hrc> +#include <strings.hxx> +#include <com/sun/star/container/XIndexAccess.hpp> +#include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/sdbc/XDatabaseMetaData.hpp> +#include <com/sun/star/sdbc/XPreparedStatement.hpp> +#include <com/sun/star/sdbc/ColumnValue.hpp> +#include <com/sun/star/sdbc/XParameters.hpp> +#include <com/sun/star/sdbcx/XIndexesSupplier.hpp> + +#include <connectivity/dbtools.hxx> +#include <com/sun/star/io/XInputStream.hpp> +#include <comphelper/types.hxx> +#include <rtl/ustrbuf.hxx> +#include <sal/log.hxx> +#include <osl/diagnose.h> + +using namespace comphelper; + +using namespace dbaccess; +using namespace dbtools; +using namespace connectivity; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::beans; +using namespace ::com::sun::star::sdbc; +using namespace ::com::sun::star::sdbcx; +using namespace ::com::sun::star::container; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::io; +using namespace ::osl; + + +OCacheSet::OCacheSet(sal_Int32 i_nMaxRows) + :m_nMaxRows(i_nMaxRows) + ,m_bInserted(false) + ,m_bUpdated(false) + ,m_bDeleted(false) +{ + +} + +OUString OCacheSet::getIdentifierQuoteString() const +{ + OUString sQuote; + if ( m_xConnection.is() ) + if (auto xMeta = m_xConnection->getMetaData()) + sQuote = xMeta->getIdentifierQuoteString(); + return sQuote; +} + +void OCacheSet::construct( const Reference< XResultSet>& _xDriverSet,const OUString &i_sRowSetFilter) +{ + OSL_ENSURE(_xDriverSet.is(),"Invalid resultSet"); + + m_sRowSetFilter = i_sRowSetFilter; + + if(!_xDriverSet.is()) + return; + + m_xDriverSet = _xDriverSet; + m_xDriverRow.set(_xDriverSet,UNO_QUERY); + m_xSetMetaData = Reference<XResultSetMetaDataSupplier>(_xDriverSet,UNO_QUERY_THROW)->getMetaData(); + if ( m_xSetMetaData.is() ) + { + const sal_Int32 nCount = m_xSetMetaData->getColumnCount(); + m_aNullable.resize(nCount); + m_aSignedFlags.resize(nCount); + m_aColumnTypes.resize(nCount); + auto pNullableIter = m_aNullable.begin(); + auto pSignedIter = m_aSignedFlags.begin(); + auto pColumnIter = m_aColumnTypes.begin(); + for (sal_Int32 i=1; i <= nCount; ++i,++pSignedIter,++pColumnIter,++pNullableIter) + { + *pNullableIter = m_xSetMetaData->isNullable(i) != ColumnValue::NO_NULLS; + *pSignedIter = m_xSetMetaData->isSigned(i); + *pColumnIter = m_xSetMetaData->getColumnType(i); + } + } + Reference< XStatement> xStmt(m_xDriverSet->getStatement(),UNO_QUERY); + if(xStmt.is()) + m_xConnection = xStmt->getConnection(); + else + { + Reference< XPreparedStatement> xPrepStmt(m_xDriverSet->getStatement(),UNO_QUERY); + if ( xPrepStmt.is() ) + m_xConnection = xPrepStmt->getConnection(); + } +} + +OCacheSet::~OCacheSet() +{ + try + { + m_xDriverSet = nullptr; + m_xDriverRow = nullptr; + m_xSetMetaData = nullptr; + m_xConnection = nullptr; + } + catch(Exception&) + { + SAL_WARN("dbaccess", "Exception occurred"); + } + catch(...) + { + SAL_WARN("dbaccess", "Unknown Exception occurred"); + } + +} + +void OCacheSet::fillTableName(const Reference<XPropertySet>& _xTable) +{ + OSL_ENSURE(_xTable.is(),"OCacheSet::fillTableName: PropertySet is empty!"); + if(m_aComposedTableName.isEmpty() && _xTable.is() ) + { + Reference<XDatabaseMetaData> xMeta(m_xConnection->getMetaData()); + m_aComposedTableName = composeTableName(xMeta + ,comphelper::getString(_xTable->getPropertyValue(PROPERTY_CATALOGNAME)) + ,comphelper::getString(_xTable->getPropertyValue(PROPERTY_SCHEMANAME)) + ,comphelper::getString(_xTable->getPropertyValue(PROPERTY_NAME)) + ,true + ,::dbtools::EComposeRule::InDataManipulation); + } +} + +void OCacheSet::insertRow( const ORowSetRow& _rInsertRow,const connectivity::OSQLTable& _xTable ) +{ + Reference<XPropertySet> xSet(_xTable,UNO_QUERY); + fillTableName(xSet); + + OUStringBuffer aSql("INSERT INTO " + m_aComposedTableName + " ( "); + + // set values and column names + OUStringBuffer aValues(" VALUES ( "); + OUString aQuote = getIdentifierQuoteString(); + sal_Int32 i = 1; + ORowVector< ORowSetValue >::Vector::const_iterator aIter = _rInsertRow->begin()+1; + connectivity::ORowVector< ORowSetValue > ::Vector::iterator aEnd = _rInsertRow->end(); + for(; aIter != aEnd;++aIter) + { + aSql.append(::dbtools::quoteName( aQuote,m_xSetMetaData->getColumnName(i++)) ).append(","); + aValues.append("?,"); + } + + aSql[aSql.getLength() - 1] = ')'; + aValues[aValues.getLength() - 1] = ')'; + + aSql.append(aValues.makeStringAndClear()); + // now create end execute the prepared statement + { + Reference< XPreparedStatement > xPrep(m_xConnection->prepareStatement(aSql.makeStringAndClear())); + Reference< XParameters > xParameter(xPrep,UNO_QUERY); + i = 1; + for(aIter = _rInsertRow->begin()+1; aIter != aEnd;++aIter,++i) + { + if(aIter->isNull()) + xParameter->setNull(i,aIter->getTypeKind()); + else + setParameter(i,xParameter,*aIter,m_xSetMetaData->getColumnType(i),m_xSetMetaData->getScale(i)); + } + + m_bInserted = xPrep->executeUpdate() > 0; + } + + // TODO set the bookmark in the insert row +} + +void OCacheSet::fillParameters( const ORowSetRow& _rRow + ,const connectivity::OSQLTable& _xTable + ,OUStringBuffer& _sCondition + ,OUStringBuffer& _sParameter + ,std::vector< sal_Int32>& _rOrgValues) +{ + // use keys and indexes for exact positioning + // first the keys + Reference<XPropertySet> xSet(_xTable,UNO_QUERY); + const Reference<XNameAccess> xPrimaryKeyColumns = getPrimaryKeyColumns_throw(xSet); + // second the indexes + Reference<XIndexesSupplier> xIndexSup(_xTable,UNO_QUERY); + Reference<XIndexAccess> xIndexes; + if(xIndexSup.is()) + xIndexes.set(xIndexSup->getIndexes(),UNO_QUERY); + + Reference<XPropertySet> xIndexColsSup; + std::vector< Reference<XNameAccess> > aAllIndexColumns; + if(xIndexes.is()) + { + for(sal_Int32 j=0;j<xIndexes->getCount();++j) + { + xIndexColsSup.set(xIndexes->getByIndex(j),UNO_QUERY); + if( xIndexColsSup.is() + && comphelper::getBOOL(xIndexColsSup->getPropertyValue(PROPERTY_ISUNIQUE)) + && !comphelper::getBOOL(xIndexColsSup->getPropertyValue(PROPERTY_ISPRIMARYKEYINDEX)) + ) + aAllIndexColumns.push_back(Reference<XColumnsSupplier>(xIndexColsSup,UNO_QUERY_THROW)->getColumns()); + } + } + + OUString aColumnName; + + static const char aAnd[] = " AND "; + + OUString aQuote = getIdentifierQuoteString(); + + sal_Int32 nCheckCount = 1; // index for the original values + sal_Int32 i = 1; + + OUString sIsNull(" IS NULL"); + OUString sParam(" = ?"); + ORowVector< ORowSetValue >::Vector::const_iterator aIter = _rRow->begin()+1; + ORowVector< ORowSetValue >::Vector::const_iterator aEnd = _rRow->end(); + for(; aIter != aEnd;++aIter,++nCheckCount,++i) + { + aColumnName = m_xSetMetaData->getColumnName(i); + if(xPrimaryKeyColumns.is() && xPrimaryKeyColumns->hasByName(aColumnName)) + { + _sCondition.append(::dbtools::quoteName( aQuote,aColumnName)); + if(aIter->isNull()) + _sCondition.append(sIsNull); + else + _sCondition.append(sParam); + _sCondition.append(aAnd); + _rOrgValues.push_back(nCheckCount); + + } + for (auto const& indexColumn : aAllIndexColumns) + { + if(indexColumn->hasByName(aColumnName)) + { + _sCondition.append(::dbtools::quoteName( aQuote,aColumnName)); + if(aIter->isNull()) + _sCondition.append(sIsNull); + else + _sCondition.append(sParam); + _sCondition.append(aAnd); + _rOrgValues.push_back(nCheckCount); + break; + } + } + if(aIter->isModified()) + { + _sParameter.append(::dbtools::quoteName( aQuote,aColumnName) ).append("?,"); + } + } +} + +void OCacheSet::updateRow(const ORowSetRow& _rInsertRow ,const ORowSetRow& _rOriginalRow,const connectivity::OSQLTable& _xTable ) +{ + Reference<XPropertySet> xSet(_xTable,UNO_QUERY); + fillTableName(xSet); + + OUStringBuffer aSql("UPDATE " + m_aComposedTableName + " SET "); + // list all columns that should be set + + OUStringBuffer aCondition; + std::vector< sal_Int32> aOrgValues; + fillParameters(_rInsertRow,_xTable,aCondition,aSql,aOrgValues); + aSql[aSql.getLength() - 1] = ' '; + if ( !aCondition.isEmpty() ) + { + aCondition.setLength(aCondition.getLength()-5); + + aSql.append(" WHERE " ).append( aCondition.makeStringAndClear()); + } + else + ::dbtools::throwSQLException( + DBA_RES( RID_STR_NO_UPDATE_MISSING_CONDITION ), StandardSQLState::GENERAL_ERROR, *this ); + + // now create end execute the prepared statement + Reference< XPreparedStatement > xPrep(m_xConnection->prepareStatement(aSql.makeStringAndClear())); + Reference< XParameters > xParameter(xPrep,UNO_QUERY); + sal_Int32 i = 1; + connectivity::ORowVector< ORowSetValue > ::Vector::iterator aEnd = _rInsertRow->end(); + for(ORowVector< ORowSetValue >::Vector::const_iterator aIter = _rInsertRow->begin()+1; aIter != aEnd;++aIter) + { + if(aIter->isModified()) + { + setParameter(i,xParameter,*aIter,m_xSetMetaData->getColumnType(i),m_xSetMetaData->getScale(i)); + ++i; + } + } + for (auto const& orgValue : aOrgValues) + { + setParameter(i,xParameter,(*_rOriginalRow)[orgValue],m_xSetMetaData->getColumnType(i),m_xSetMetaData->getScale(i)); + ++i; + } + + m_bUpdated = xPrep->executeUpdate() > 0; +} + +void OCacheSet::deleteRow(const ORowSetRow& _rDeleteRow ,const connectivity::OSQLTable& _xTable ) +{ + Reference<XPropertySet> xSet(_xTable,UNO_QUERY); + fillTableName(xSet); + + OUStringBuffer aSql("DELETE FROM " + m_aComposedTableName + " WHERE "); + + // use keys and indexes for exact positioning + Reference<XIndexesSupplier> xIndexSup(_xTable,UNO_QUERY); + Reference<XIndexAccess> xIndexes; + if(xIndexSup.is()) + xIndexes.set(xIndexSup->getIndexes(),UNO_QUERY); + + // Reference<XColumnsSupplier> + Reference<XPropertySet> xIndexColsSup; + std::vector< Reference<XNameAccess> > aAllIndexColumns; + if(xIndexes.is()) + { + for(sal_Int32 j=0;j<xIndexes->getCount();++j) + { + xIndexColsSup.set(xIndexes->getByIndex(j),UNO_QUERY); + if( xIndexColsSup.is() + && comphelper::getBOOL(xIndexColsSup->getPropertyValue(PROPERTY_ISUNIQUE)) + && !comphelper::getBOOL(xIndexColsSup->getPropertyValue(PROPERTY_ISPRIMARYKEYINDEX)) + ) + aAllIndexColumns.push_back(Reference<XColumnsSupplier>(xIndexColsSup,UNO_QUERY_THROW)->getColumns()); + } + } + + OUStringBuffer aColumnName; + std::vector< sal_Int32> aOrgValues; + fillParameters(_rDeleteRow,_xTable,aSql,aColumnName,aOrgValues); + + aSql.setLength(aSql.getLength()-5); + + // now create and execute the prepared statement + Reference< XPreparedStatement > xPrep(m_xConnection->prepareStatement(aSql.makeStringAndClear())); + Reference< XParameters > xParameter(xPrep,UNO_QUERY); + sal_Int32 i = 1; + for (auto const& orgValue : aOrgValues) + { + setParameter(i,xParameter,(*_rDeleteRow)[orgValue],m_xSetMetaData->getColumnType(i),m_xSetMetaData->getScale(i)); + ++i; + } + + m_bDeleted = xPrep->executeUpdate() > 0; +} + +void OCacheSet::setParameter(sal_Int32 nPos + ,const Reference< XParameters >& _xParameter + ,const ORowSetValue& _rValue + ,sal_Int32 _nType + ,sal_Int32 _nScale) +{ + sal_Int32 nType = ( _nType != DataType::OTHER ) ? _nType : _rValue.getTypeKind(); + ::dbtools::setObjectWithInfo(_xParameter,nPos,_rValue,nType,_nScale); +} + +void OCacheSet::fillValueRow(ORowSetRow& _rRow,sal_Int32 _nPosition) +{ + Any aBookmark = getBookmark(); + if(!aBookmark.hasValue()) + aBookmark <<= _nPosition; + + connectivity::ORowVector< ORowSetValue >::Vector::iterator aIter = _rRow->begin(); + connectivity::ORowVector< ORowSetValue >::Vector::iterator aEnd = _rRow->end(); + (*aIter) = aBookmark; + ++aIter; + for(sal_Int32 i=1;aIter != aEnd;++aIter,++i) + { + aIter->setSigned(m_aSignedFlags[i-1]); + aIter->fill(i, m_aColumnTypes[i-1], this); + } +} + +sal_Bool SAL_CALL OCacheSet::wasNull( ) +{ + return m_xDriverRow->wasNull(); +} + +OUString SAL_CALL OCacheSet::getString( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getString(columnIndex); +} + +sal_Bool SAL_CALL OCacheSet::getBoolean( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getBoolean(columnIndex); +} + +sal_Int8 SAL_CALL OCacheSet::getByte( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getByte(columnIndex); +} + +sal_Int16 SAL_CALL OCacheSet::getShort( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getShort(columnIndex); +} + +sal_Int32 SAL_CALL OCacheSet::getInt( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getInt(columnIndex); +} + +sal_Int64 SAL_CALL OCacheSet::getLong( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getLong(columnIndex); +} + +float SAL_CALL OCacheSet::getFloat( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getFloat(columnIndex); +} + +double SAL_CALL OCacheSet::getDouble( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getDouble(columnIndex); +} + +Sequence< sal_Int8 > SAL_CALL OCacheSet::getBytes( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getBytes(columnIndex); +} + +css::util::Date SAL_CALL OCacheSet::getDate( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getDate(columnIndex); +} + +css::util::Time SAL_CALL OCacheSet::getTime( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getTime(columnIndex); +} + +css::util::DateTime SAL_CALL OCacheSet::getTimestamp( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getTimestamp(columnIndex); +} + +Reference< css::io::XInputStream > SAL_CALL OCacheSet::getBinaryStream( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getBinaryStream(columnIndex); +} + +Reference< css::io::XInputStream > SAL_CALL OCacheSet::getCharacterStream( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getCharacterStream(columnIndex); +} + +Any SAL_CALL OCacheSet::getObject( sal_Int32 columnIndex, const Reference< css::container::XNameAccess >& typeMap ) +{ + return m_xDriverRow->getObject(columnIndex,typeMap); +} + +Reference< XRef > SAL_CALL OCacheSet::getRef( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getRef(columnIndex); +} + +Reference< XBlob > SAL_CALL OCacheSet::getBlob( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getBlob(columnIndex); +} + +Reference< XClob > SAL_CALL OCacheSet::getClob( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getClob(columnIndex); +} + +Reference< XArray > SAL_CALL OCacheSet::getArray( sal_Int32 columnIndex ) +{ + return m_xDriverRow->getArray(columnIndex); +} + +// XResultSet +bool OCacheSet::next() +{ + m_bInserted = m_bUpdated = m_bDeleted = false; + return m_xDriverSet->next(); +} + +void OCacheSet::beforeFirst( ) +{ + m_bInserted = m_bUpdated = m_bDeleted = false; + m_xDriverSet->beforeFirst(); +} + +void OCacheSet::afterLast( ) +{ + m_bInserted = m_bUpdated = m_bDeleted = false; + m_xDriverSet->afterLast(); +} + +bool OCacheSet::first() +{ + m_bInserted = m_bUpdated = m_bDeleted = false; + return m_xDriverSet->first(); +} + +bool OCacheSet::last() +{ + m_bInserted = m_bUpdated = m_bDeleted = false; + return m_xDriverSet->last(); +} + +sal_Int32 OCacheSet::getRow( ) +{ + return m_xDriverSet->getRow(); +} + +bool OCacheSet::absolute( sal_Int32 row ) +{ + m_bInserted = m_bUpdated = m_bDeleted = false; + return m_xDriverSet->absolute(row); +} + +bool OCacheSet::previous( ) +{ + m_bInserted = m_bUpdated = m_bDeleted = false; + return m_xDriverSet->previous(); +} + +void OCacheSet::refreshRow( ) +{ + m_xDriverSet->refreshRow(); +} + +bool OCacheSet::rowUpdated( ) +{ + return m_xDriverSet->rowUpdated(); +} + +bool OCacheSet::rowInserted( ) +{ + return m_xDriverSet->rowInserted(); +} + +bool OCacheSet::rowDeleted( ) +{ + return m_xDriverSet->rowDeleted(); +} + +bool OCacheSet::isResultSetChanged() const +{ + return false; +} + +void OCacheSet::mergeColumnValues(sal_Int32 i_nColumnIndex,ORowSetValueVector::Vector& /*io_aInsertRow*/,ORowSetValueVector::Vector& /*io_aRow*/,std::vector<sal_Int32>& o_aChangedColumns) +{ + o_aChangedColumns.push_back(i_nColumnIndex); +} + +bool OCacheSet::columnValuesUpdated(ORowSetValueVector::Vector& /*io_aCachedRow*/,const ORowSetValueVector::Vector& /*io_aRow*/) +{ + return false; +} + +bool OCacheSet::updateColumnValues(const ORowSetValueVector::Vector& /*io_aCachedRow*/,ORowSetValueVector::Vector& /*io_aRow*/,const std::vector<sal_Int32>& /*i_aChangedColumns*/) +{ + return true; +} + +void OCacheSet::fillMissingValues(ORowSetValueVector::Vector& /*io_aRow*/) const +{ +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |