connectivity/source/drivers/postgresql/pq_xindexcolumns.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.
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  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,
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  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
  39 #include <string_view>
  40 #include <utility>
  41 #include <vector>
  42
  43 #include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
  44 #include <com/sun/star/sdbc/SQLException.hpp>
  45 #include <com/sun/star/sdbc/XRow.hpp>
  46 #include <cppuhelper/exc_hlp.hxx>
  47 #include <rtl/ref.hxx>
  48
  49 #include "pq_xcolumns.hxx"
  50 #include "pq_xindexcolumns.hxx"
  51 #include "pq_xindexcolumn.hxx"
  52 #include "pq_statics.hxx"
  53 #include "pq_tools.hxx"
  54
  55 using osl::MutexGuard;
  56
  57 using com::sun::star::beans::XPropertySet;
  58
  59 using com::sun::star::uno::Any;
  60 using com::sun::star::uno::UNO_QUERY;
  61 using com::sun::star::uno::Reference;
  62 using com::sun::star::uno::Sequence;
  63
  64 using com::sun::star::sdbc::XRow;
  65 using com::sun::star::sdbc::XResultSet;
  66 using com::sun::star::sdbc::XDatabaseMetaData;
  67 using com::sun::star::sdbc::SQLException;
  68
  69 namespace pq_sdbc_driver
  70 {
  71
  72 IndexColumns::IndexColumns(
  73         const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
  74         const css::uno::Reference< css::sdbc::XConnection >  & origin,
  75         ConnectionSettings *pSettings,
  76         OUString schemaName,
  77         OUString tableName,
  78         OUString indexName,
  79         const css::uno::Sequence< OUString > &columns )
  80     : Container( refMutex, origin, pSettings,  u"INDEX_COLUMN"_ustr ),
  81       m_schemaName(std::move( schemaName )),
  82       m_tableName(std::move( tableName )),
  83       m_indexName(std::move( indexName )),
  84       m_columns( columns )
  85 {}
  86
  87 IndexColumns::~IndexColumns()
  88 {}
  89
  90 static sal_Int32 findInSequence( const Sequence< OUString > & seq , std::u16string_view str)
  91 {
  92     int index;
  93     for( index = 0 ; index < seq.getLength() ; index ++ )
  94     {
  95         if( str == seq[index] )
  96             break;
  97     }
  98     return index;
  99 }
 100
 101 void IndexColumns::refresh()
 102 {
 103     try
 104     {
 105         SAL_INFO("connectivity.postgresql", "sdbcx.IndexColumns get refreshed for index " << m_indexName);
 106
 107         osl::MutexGuard guard( m_xMutex->GetMutex() );
 108
 109         Statics &st = getStatics();
 110         Reference< XDatabaseMetaData > meta = m_origin->getMetaData();
 111
 112         Reference< XResultSet > rs =
 113             meta->getColumns( Any(), m_schemaName, m_tableName, st.cPERCENT );
 114
 115         DisposeGuard disposeIt( rs );
 116         Reference< XRow > xRow( rs , UNO_QUERY );
 117         m_values.clear();
 118         m_values.resize( m_columns.getLength() );
 119
 120         while( rs->next() )
 121         {
 122             OUString columnName = xRow->getString( 4 );
 123
 124             sal_Int32 index = findInSequence( m_columns, columnName );
 125             if( index >= m_columns.getLength() )
 126                 continue;
 127
 128             rtl::Reference<IndexColumn> pIndexColumn =
 129                 new IndexColumn( m_xMutex, m_origin, m_pSettings );
 130             Reference< css::beans::XPropertySet > prop = pIndexColumn;
 131
 132             columnMetaData2SDBCX( pIndexColumn.get(), xRow );
 133             pIndexColumn->setPropertyValue_NoBroadcast_public(
 134                 st.IS_ASCENDING , Any( false ) );
 135
 136             m_values[ index ] <<= prop;
 137             m_name2index[ columnName ] = index;
 138         }
 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 IndexColumns::appendByDescriptor(
 152     const css::uno::Reference< css::beans::XPropertySet >& /*future*/ )
 153 {
 154     throw css::sdbc::SQLException(
 155         u"SDBC-POSTGRESQL: IndexesColumns.appendByDescriptor not yet implemented"_ustr,
 156         *this, OUString(), 1, Any() );
 157 //     osl::MutexGuard guard( m_xMutex->GetMutex() );
 158 //     Statics & st = getStatics();
 159 //     Reference< XPropertySet > past = createDataDescriptor();
 160 //     past->setPropertyValue( st.IS_NULLABLE, makeAny( css::sdbc::ColumnValue::NULLABLE ) );
 161 //     alterColumnByDescriptor(
 162 //         m_schemaName, m_tableName, m_pSettings->encoding, m_origin->createStatement() , past, future  );
 163
 164 }
 165
 166 void IndexColumns::dropByName( const OUString& )
 167 {
 168     throw css::sdbc::SQLException(
 169         u"SDBC-POSTGRESQL: IndexesColumns.dropByName not yet implemented"_ustr,
 170         *this, OUString(), 1, Any() );
 171 //     String2IntMap::const_iterator ii = m_name2index.find( elementName );
 172 //     if( ii == m_name2index.end() )
 173 //     {
 174 //         OUStringBuffer buf( 128 );
 175 //         buf.appendAscii( "Column " );
 176 //         buf.append( elementName );
 177 //         buf.appendAscii( " is unknown in table " );
 178 //         buf.append( m_schemaName );
 179 //         buf.appendAscii( "." );
 180 //         buf.append( m_tableName );
 181 //         buf.appendAscii( ", so it can't be dropped" );
 182 //         throw css::container::NoSuchElementException(
 183 //             buf.makeStringAndClear(), *this );
 184 //     }
 185 //     dropByIndex( ii->second );
 186 }
 187
 188 void IndexColumns::dropByIndex( sal_Int32 )
 189 {
 190     throw css::sdbc::SQLException(
 191         u"SDBC-POSTGRESQL: IndexesColumns.dropByIndex not yet implemented"_ustr,
 192         *this, OUString(), 1, Any() );
 193 //     osl::MutexGuard guard( m_xMutex->GetMutex() );
 194 //     if( index < 0 ||  index >= m_values.getLength() )
 195 //     {
 196 //         OUStringBuffer buf( 128 );
 197 //         buf.appendAscii( "COLUMNS: Index out of range (allowed 0 to " );
 198 //         buf.append((sal_Int32)(m_values.getLength() -1) );
 199 //         buf.appendAscii( ", got " );
 200 //         buf.append( index );
 201 //         buf.appendAscii( ")" );
 202 //         throw css::lang::IndexOutOfBoundsException(
 203 //             buf.makeStringAndClear(), *this );
 204 //     }
 205
 206 //     Reference< XPropertySet > set;
 207 //     m_values[index] >>= set;
 208 //     Statics &st = getStatics();
 209 //     OUString name;
 210 //     set->getPropertyValue( st.NAME ) >>= name;
 211
 212 //     OUStringBuffer update( 128 );
 213 //     update.appendAscii( "ALTER TABLE ONLY");
 214 //     bufferQuoteQualifiedIdentifier( update, m_schemaName, m_tableName );
 215 //     update.appendAscii( "DROP COLUMN" );
 216 //     bufferQuoteIdentifier( update, name );
 217 //     Reference< XStatement > stmt = m_origin->createStatement( );
 218 //     DisposeGuard disposeIt( stmt );
 219 //     stmt->executeUpdate( update.makeStringAndClear() );
 220
 221 }
 222
 223
 224 Reference< css::beans::XPropertySet > IndexColumns::createDataDescriptor()
 225 {
 226     return new IndexColumnDescriptor( m_xMutex, m_origin, m_pSettings );
 227 }
 228
 229 Reference< css::container::XNameAccess > IndexColumns::create(
 230     const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
 231     const css::uno::Reference< css::sdbc::XConnection >  & origin,
 232     ConnectionSettings *pSettings,
 233     const OUString &schemaName,
 234     const OUString &tableName,
 235     const OUString &indexName,
 236     const Sequence< OUString > &columns )
 237 {
 238     rtl::Reference<IndexColumns> pIndexColumns = new IndexColumns(
 239         refMutex, origin, pSettings, schemaName, tableName, indexName, columns );
 240     pIndexColumns->refresh();
 241
 242     return pIndexColumns;
 243 }
 244
 245
 246 IndexColumnDescriptors::IndexColumnDescriptors(
 247         const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
 248         const css::uno::Reference< css::sdbc::XConnection >  & origin,
 249         ConnectionSettings *pSettings)
 250     : Container( refMutex, origin, pSettings,  getStatics().INDEX_COLUMN )
 251 {}
 252
 253 Reference< css::container::XNameAccess > IndexColumnDescriptors::create(
 254     const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
 255     const css::uno::Reference< css::sdbc::XConnection >  & origin,
 256     ConnectionSettings *pSettings)
 257 {
 258     return new IndexColumnDescriptors( refMutex, origin, pSettings );
 259 }
 260
 261 css::uno::Reference< css::beans::XPropertySet > IndexColumnDescriptors::createDataDescriptor()
 262 {
 263     return new IndexColumnDescriptor( m_xMutex, m_origin, m_pSettings );
 264 }
 265
 266 };
 267
 268 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */