connectivity/source/drivers/postgresql/pq_xkeycolumns.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*************************************************************************
   3  *
   4  *  Effective License of whole file:
   5  *
   6  *    This library is free software; you can redistribute it and/or
   7  *    modify it under the terms of the GNU Lesser General Public
   8  *    License version 2.1, as published by the Free Software Foundation.
   9  *
  10  *    This library is distributed in the hope that it will be useful,
  11  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  *    Lesser General Public License for more details.
  14  *
  15  *    You should have received a copy of the GNU Lesser General Public
  16  *    License along with this library; if not, write to the Free Software
  17  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  18  *    MA  02111-1307  USA
  19  *
  20  *  Parts "Copyright by Sun Microsystems, Inc" prior to August 2011:
  21  *
  22  *    The Contents of this file are made available subject to the terms of
  23  *    the GNU Lesser General Public License Version 2.1
  24  *
  25  *    Copyright: 2000 by Sun Microsystems, Inc.
  26  *
  27  *    Contributor(s): Joerg Budischewski
  28  *
  29  *  All parts contributed on or after August 2011:
  30  *
  31  *    This Source Code Form is subject to the terms of the Mozilla Public
  32  *    License, v. 2.0. If a copy of the MPL was not distributed with this
  33  *    file, You can obtain one at http://mozilla.org/MPL/2.0/.
  34  *
  35  ************************************************************************/
  36
  37 #include <sal/log.hxx>
  38 #include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
  39 #include <com/sun/star/sdbc/SQLException.hpp>
  40 #include <com/sun/star/sdbc/XRow.hpp>
  41 #include <cppuhelper/exc_hlp.hxx>
  42 #include <rtl/ref.hxx>
  43 #include <utility>
  44
  45 #include "pq_xcolumns.hxx"
  46 #include "pq_xkeycolumns.hxx"
  47 #include "pq_xkeycolumn.hxx"
  48 #include "pq_statics.hxx"
  49 #include "pq_tools.hxx"
  50
  51 using osl::MutexGuard;
  52
  53 using com::sun::star::beans::XPropertySet;
  54
  55 using com::sun::star::uno::Any;
  56 using com::sun::star::uno::UNO_QUERY;
  57 using com::sun::star::uno::Reference;
  58 using com::sun::star::uno::Sequence;
  59
  60 using com::sun::star::sdbc::XRow;
  61 using com::sun::star::sdbc::XResultSet;
  62 using com::sun::star::sdbc::XDatabaseMetaData;
  63 using com::sun::star::sdbc::SQLException;
  64
  65 namespace pq_sdbc_driver
  66 {
  67
  68 KeyColumns::KeyColumns(
  69         const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
  70         const css::uno::Reference< css::sdbc::XConnection >  & origin,
  71         ConnectionSettings *pSettings,
  72         OUString schemaName,
  73         OUString tableName,
  74         const Sequence< OUString > &columnNames,
  75         const Sequence< OUString > &foreignColumnNames )
  76     : Container( refMutex, origin, pSettings,  u"KEY_COLUMN"_ustr ),
  77       m_schemaName(std::move( schemaName )),
  78       m_tableName(std::move( tableName )),
  79       m_columnNames( columnNames ),
  80       m_foreignColumnNames( foreignColumnNames )
  81 {}
  82
  83 KeyColumns::~KeyColumns()
  84 {}
  85
  86
  87 void KeyColumns::refresh()
  88 {
  89     try
  90     {
  91         SAL_INFO("connectivity.postgresql", "sdbcx.KeyColumns get refreshed for table " << m_schemaName << "." << m_tableName);
  92
  93         osl::MutexGuard guard( m_xMutex->GetMutex() );
  94
  95         Statics &st = getStatics();
  96         Reference< XDatabaseMetaData > meta = m_origin->getMetaData();
  97
  98         Reference< XResultSet > rs =
  99             meta->getColumns( Any(), m_schemaName, m_tableName, st.cPERCENT );
 100
 101         DisposeGuard disposeIt( rs );
 102         Reference< XRow > xRow( rs , UNO_QUERY );
 103
 104         String2IntMap map;
 105
 106         m_values.clear();
 107         sal_Int32 columnIndex = 0;
 108         while( rs->next() )
 109         {
 110             OUString columnName = xRow->getString( 4 );
 111
 112             int keyindex;
 113             for( keyindex = 0 ; keyindex < m_columnNames.getLength() ; keyindex ++ )
 114             {
 115                 if( columnName == m_columnNames[keyindex] )
 116                     break;
 117             }
 118             if( m_columnNames.getLength() == keyindex )
 119                 continue;
 120
 121             rtl::Reference<KeyColumn> pKeyColumn =
 122                 new KeyColumn( m_xMutex, m_origin, m_pSettings );
 123             Reference< css::beans::XPropertySet > prop = pKeyColumn;
 124
 125             OUString name = columnMetaData2SDBCX( pKeyColumn.get(), xRow );
 126             if( keyindex < m_foreignColumnNames.getLength() )
 127             {
 128                 pKeyColumn->setPropertyValue_NoBroadcast_public(
 129                     st.RELATED_COLUMN, Any( m_foreignColumnNames[keyindex]) );
 130             }
 131
 132             {
 133                 m_values.emplace_back(prop);
 134                 map[ name ] = columnIndex;
 135                 ++columnIndex;
 136             }
 137         }
 138         m_name2index.swap( map );
 139     }
 140     catch ( css::sdbc::SQLException & e )
 141     {
 142         css::uno::Any anyEx = cppu::getCaughtException();
 143         throw css::lang::WrappedTargetRuntimeException( e.Message,
 144                         e.Context, anyEx );
 145     }
 146
 147     fire( RefreshedBroadcaster( *this ) );
 148 }
 149
 150
 151 void KeyColumns::appendByDescriptor(
 152     const css::uno::Reference< css::beans::XPropertySet >& )
 153 {
 154     throw css::sdbc::SQLException(
 155         u"KeyColumns::appendByDescriptor not implemented yet"_ustr,
 156         *this, OUString(), 1, Any() );
 157
 158 //     osl::MutexGuard guard( m_xMutex->GetMutex() );
 159 //     Statics & st = getStatics();
 160 //     Reference< XPropertySet > past = createDataDescriptor();
 161 //     past->setPropertyValue( st.IS_NULLABLE, makeAny( css::sdbc::ColumnValue::NULLABLE ) );
 162 //     alterColumnByDescriptor(
 163 //         m_schemaName, m_tableName, m_pSettings->encoding, m_origin->createStatement() , past, future  );
 164
 165 }
 166
 167
 168 void KeyColumns::dropByIndex( sal_Int32 )
 169 {
 170     throw css::sdbc::SQLException(
 171         u"KeyColumns::dropByIndex not implemented yet"_ustr,
 172         *this, OUString(), 1, Any() );
 173 //     osl::MutexGuard guard( m_xMutex->GetMutex() );
 174 //     if( index < 0 ||  index >= m_values.getLength() )
 175 //     {
 176 //         OUStringBuffer buf( 128 );
 177 //         buf.appendAscii( "COLUMNS: Index out of range (allowed 0 to " );
 178 //         buf.append((sal_Int32)(m_values.getLength() -1) );
 179 //         buf.appendAscii( ", got " );
 180 //         buf.append( index );
 181 //         buf.appendAscii( ")" );
 182 //         throw css::lang::IndexOutOfBoundsException(
 183 //             buf.makeStringAndClear(), *this );
 184 //     }
 185
 186 //     Reference< XPropertySet > set;
 187 //     m_values[index] >>= set;
 188 //     Statics &st = getStatics();
 189 //     OUString name;
 190 //     set->getPropertyValue( st.NAME ) >>= name;
 191
 192 //     OUStringBuffer update( 128 );
 193 //     update.appendAscii( "ALTER TABLE ONLY");
 194 //     bufferQuoteQualifiedIdentifier( update, m_schemaName, m_tableName );
 195 //     update.appendAscii( "DROP COLUMN" );
 196 //     bufferQuoteIdentifier( update, name );
 197 //     Reference< XStatement > stmt = m_origin->createStatement( );
 198 //     DisposeGuard disposeIt( stmt );
 199 //     stmt->executeUpdate( update.makeStringAndClear() );
 200
 201 }
 202
 203
 204 Reference< css::beans::XPropertySet > KeyColumns::createDataDescriptor()
 205 {
 206     return new KeyColumnDescriptor( m_xMutex, m_origin, m_pSettings );
 207 }
 208
 209 Reference< css::container::XNameAccess > KeyColumns::create(
 210     const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
 211     const css::uno::Reference< css::sdbc::XConnection >  & origin,
 212     ConnectionSettings *pSettings,
 213     const OUString &schemaName,
 214     const OUString &tableName,
 215     const Sequence< OUString > &columnNames ,
 216     const Sequence< OUString > &foreignColumnNames )
 217 {
 218     rtl::Reference<KeyColumns> pKeyColumns = new KeyColumns(
 219         refMutex, origin, pSettings, schemaName, tableName, columnNames, foreignColumnNames );
 220     pKeyColumns->refresh();
 221
 222     return pKeyColumns;
 223 }
 224
 225
 226 KeyColumnDescriptors::KeyColumnDescriptors(
 227         const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
 228         const css::uno::Reference< css::sdbc::XConnection >  & origin,
 229         ConnectionSettings *pSettings )
 230     : Container( refMutex, origin, pSettings,  u"KEY_COLUMN"_ustr )
 231 {}
 232
 233 Reference< css::beans::XPropertySet > KeyColumnDescriptors::createDataDescriptor()
 234 {
 235     return new KeyColumnDescriptor( m_xMutex, m_origin, m_pSettings );
 236 }
 237 };
 238
 239 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */