connectivity/source/commontools/TColumnsHelper.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <connectivity/TColumnsHelper.hxx>
  21 #include <connectivity/sdbcx/VColumn.hxx>
  22 #include <com/sun/star/sdbc/DataType.hpp>
  23 #include <com/sun/star/sdbc/ColumnValue.hpp>
  24 #include <comphelper/types.hxx>
  25 #include <connectivity/dbtools.hxx>
  26 #include <TConnection.hxx>
  27 #include <connectivity/TTableHelper.hxx>
  28
  29 using namespace ::comphelper;
  30
  31
  32 using namespace connectivity::sdbcx;
  33 using namespace connectivity;
  34 using namespace dbtools;
  35 using namespace ::com::sun::star::uno;
  36 using namespace ::com::sun::star::beans;
  37 using namespace ::com::sun::star::sdbc;
  38 using namespace ::com::sun::star::container;
  39
  40 namespace connectivity
  41 {
  42     class OColumnsHelperImpl
  43     {
  44     public:
  45         explicit OColumnsHelperImpl(bool _bCase)
  46             : m_aColumnInfo(UStringMixLess(_bCase))
  47         {
  48         }
  49         ColumnInformationMap m_aColumnInfo;
  50     };
  51 }
  52
  53 OColumnsHelper::OColumnsHelper( ::cppu::OWeakObject& _rParent
  54                                 ,bool _bCase
  55                                 ,::osl::Mutex& _rMutex
  56                                 ,const ::std::vector< OUString> &_rVector
  57                                 ,bool _bUseHardRef
  58             ) : OCollection(_rParent,_bCase,_rMutex,_rVector,false,_bUseHardRef)
  59     ,m_pTable(nullptr)
  60 {
  61 }
  62
  63 OColumnsHelper::~OColumnsHelper()
  64 {
  65 }
  66
  67 sdbcx::ObjectType OColumnsHelper::createObject(const OUString& _rName)
  68 {
  69     assert(m_pTable && "NO Table set. Error!");
  70     Reference<XConnection> xConnection = m_pTable->getConnection();
  71
  72     if ( !m_pImpl )
  73         m_pImpl.reset(new OColumnsHelperImpl(isCaseSensitive()));
  74
  75     bool bQueryInfo     = true;
  76     bool bAutoIncrement = false;
  77     bool bIsCurrency    = false;
  78     sal_Int32 nDataType     = DataType::OTHER;
  79
  80     ColumnInformationMap::const_iterator aFind = m_pImpl->m_aColumnInfo.find(_rName);
  81     if ( aFind == m_pImpl->m_aColumnInfo.end() ) // we have to fill it
  82     {
  83         OUString sComposedName = ::dbtools::composeTableNameForSelect( xConnection, m_pTable );
  84         collectColumnInformation(xConnection,sComposedName,u"*" ,m_pImpl->m_aColumnInfo);
  85         aFind = m_pImpl->m_aColumnInfo.find(_rName);
  86     }
  87     if ( aFind != m_pImpl->m_aColumnInfo.end() )
  88     {
  89         bQueryInfo      = false;
  90         bAutoIncrement  = aFind->second.first.first;
  91         bIsCurrency     = aFind->second.first.second;
  92         nDataType       = aFind->second.second;
  93     } // if ( aFind != m_pImpl->m_aColumnInfo.end() )
  94
  95     sdbcx::ObjectType xRet;
  96     const ColumnDesc* pColDesc = m_pTable->getColumnDescription(_rName);
  97     if ( pColDesc )
  98     {
  99         Reference<XPropertySet> xPr = m_pTable;
 100         const Reference<XNameAccess> xPrimaryKeyColumns = getPrimaryKeyColumns_throw(xPr);
 101         sal_Int32 nField11 = pColDesc->nField11;
 102         if ( nField11 != ColumnValue::NO_NULLS && xPrimaryKeyColumns.is() && xPrimaryKeyColumns->hasByName(_rName) )
 103         {
 104             nField11 = ColumnValue::NO_NULLS;
 105         } // if ( xKeys.is() )
 106         ::dbtools::OPropertyMap& rPropMap = OMetaConnection::getPropMap();
 107         OUString aCatalog, aSchema, aTable;
 108         m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_CATALOGNAME)) >>= aCatalog;
 109         m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_SCHEMANAME))  >>= aSchema;
 110         m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_NAME))        >>= aTable;
 111         rtl::Reference<connectivity::sdbcx::OColumn> pRet = new connectivity::sdbcx::OColumn(_rName,
 112                                                 pColDesc->aField6,
 113                                                 pColDesc->sField13,
 114                                                 pColDesc->sField12,
 115                                                 nField11,
 116                                                 pColDesc->nField7,
 117                                                 pColDesc->nField9,
 118                                                 pColDesc->nField5,
 119                                                 bAutoIncrement,
 120                                                 false,
 121                                                 bIsCurrency,
 122                                                 isCaseSensitive(),
 123                                                 aCatalog,
 124                                                 aSchema,
 125                                                 aTable);
 126
 127         xRet = pRet;
 128     }
 129     else
 130     {
 131
 132         xRet = ::dbtools::createSDBCXColumn(  m_pTable,
 133                                                 xConnection,
 134                                                 _rName,
 135                                                 isCaseSensitive(),
 136                                                 bQueryInfo,
 137                                                 bAutoIncrement,
 138                                                 bIsCurrency,
 139                                                 nDataType);
 140     }
 141     return xRet;
 142 }
 143
 144 void OColumnsHelper::impl_refresh()
 145 {
 146     if ( m_pTable )
 147     {
 148         m_pImpl->m_aColumnInfo.clear();
 149         m_pTable->refreshColumns();
 150     }
 151 }
 152
 153 Reference< XPropertySet > OColumnsHelper::createDescriptor()
 154 {
 155     return new OColumn(true);
 156 }
 157
 158 // XAppend
 159 sdbcx::ObjectType OColumnsHelper::appendObject( const OUString& _rForName, const Reference< XPropertySet >& descriptor )
 160 {
 161     ::osl::MutexGuard aGuard(m_rMutex);
 162     OSL_ENSURE(m_pTable,"OColumnsHelper::appendByDescriptor: Table is null!");
 163     if ( !m_pTable || m_pTable->isNew() )
 164         return cloneDescriptor( descriptor );
 165
 166     Reference<XDatabaseMetaData> xMetaData = m_pTable->getConnection()->getMetaData();
 167     OUString aSql = "ALTER TABLE " +
 168         ::dbtools::composeTableName( xMetaData, m_pTable, ::dbtools::EComposeRule::InTableDefinitions, true ) +
 169         " ADD " +
 170         ::dbtools::createStandardColumnPart(descriptor,m_pTable->getConnection(),nullptr,m_pTable->getTypeCreatePattern());
 171
 172     Reference< XStatement > xStmt = m_pTable->getConnection()->createStatement(  );
 173     if ( xStmt.is() )
 174     {
 175         xStmt->execute(aSql);
 176         ::comphelper::disposeComponent(xStmt);
 177     }
 178     return createObject( _rForName );
 179 }
 180
 181 // XDrop
 182 void OColumnsHelper::dropObject(sal_Int32 /*_nPos*/, const OUString& _sElementName)
 183 {
 184     OSL_ENSURE(m_pTable,"OColumnsHelper::dropByName: Table is null!");
 185     if ( !m_pTable || m_pTable->isNew() )
 186         return;
 187
 188     Reference<XDatabaseMetaData> xMetaData = m_pTable->getConnection()->getMetaData();
 189     OUString aQuote  = xMetaData->getIdentifierQuoteString(  );
 190     OUString aSql = "ALTER TABLE " +
 191         ::dbtools::composeTableName( xMetaData, m_pTable, ::dbtools::EComposeRule::InTableDefinitions, true ) +
 192         " DROP " +
 193         ::dbtools::quoteName( aQuote,_sElementName);
 194
 195     Reference< XStatement > xStmt = m_pTable->getConnection()->createStatement(  );
 196     if ( xStmt.is() )
 197     {
 198         xStmt->execute(aSql);
 199         ::comphelper::disposeComponent(xStmt);
 200     }
 201 }
 202
 203
 204 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */