219 lines
7.3 KiB
C++
219 lines
7.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* Effective License of whole file:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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* Parts "Copyright by Sun Microsystems, Inc" prior to August 2011:
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*
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* The Contents of this file are made available subject to the terms of
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* the GNU Lesser General Public License Version 2.1
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* Contributor(s): Joerg Budischewski
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*
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* All parts contributed on or after August 2011:
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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************************************************************************/
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#include <rtl/ref.hxx>
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#include <rtl/ustrbuf.hxx>
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#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
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#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
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#include <com/sun/star/sdbc/SQLException.hpp>
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#include <com/sun/star/sdbc/XRow.hpp>
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#include <cppuhelper/exc_hlp.hxx>
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#include <o3tl/safeint.hxx>
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#include "pq_xviews.hxx"
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#include "pq_xview.hxx"
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#include "pq_xtables.hxx"
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#include "pq_statics.hxx"
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#include "pq_tools.hxx"
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using osl::MutexGuard;
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using com::sun::star::beans::XPropertySet;
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using com::sun::star::uno::Any;
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using com::sun::star::uno::UNO_QUERY;
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using com::sun::star::uno::Reference;
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using com::sun::star::container::NoSuchElementException;
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using com::sun::star::sdbc::XRow;
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using com::sun::star::sdbc::XStatement;
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using com::sun::star::sdbc::XResultSet;
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namespace pq_sdbc_driver
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{
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Views::Views(
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const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
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const css::uno::Reference< css::sdbc::XConnection > & origin,
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ConnectionSettings *pSettings )
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: Container( refMutex, origin, pSettings, getStatics().VIEW )
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{}
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Views::~Views()
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{}
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void Views::refresh()
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{
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try
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{
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osl::MutexGuard guard( m_xMutex->GetMutex() );
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Statics & st = getStatics();
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Reference< XStatement > stmt = m_origin->createStatement();
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Reference< XResultSet > rs = stmt->executeQuery(u"SELECT "
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"DISTINCT ON( pg_namespace.nspname, relname) " // needed because of duplicates
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"pg_namespace.nspname," // 1
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"relname," // 2
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"pg_get_viewdef(ev_class) " // 3
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"FROM pg_namespace, pg_class, pg_rewrite "
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"WHERE pg_namespace.oid = relnamespace "
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"AND pg_class.oid = ev_class "
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"AND relkind=\'v\'"_ustr );
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Reference< XRow > xRow( rs , UNO_QUERY );
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m_values.clear();
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String2IntMap map;
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sal_Int32 viewIndex = 0;
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while( rs->next() )
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{
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OUString table, schema, command;
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schema = xRow->getString( 1 );
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table = xRow->getString( 2 );
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command = xRow->getString( 3 );
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rtl::Reference<View> pView = new View (m_xMutex, m_origin, m_pSettings );
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Reference< css::beans::XPropertySet > prop = pView;
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pView->setPropertyValue_NoBroadcast_public(st.NAME , Any(table) );
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pView->setPropertyValue_NoBroadcast_public(st.SCHEMA_NAME, Any(schema) );
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pView->setPropertyValue_NoBroadcast_public(st.COMMAND, Any(command) );
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{
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m_values.push_back( Any( prop ) );
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map[ schema + "." + table ] = viewIndex;
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++viewIndex;
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}
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}
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m_name2index.swap( map );
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}
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catch ( css::sdbc::SQLException & e )
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{
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css::uno::Any anyEx = cppu::getCaughtException();
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throw css::lang::WrappedTargetRuntimeException( e.Message,
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e.Context, anyEx );
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}
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fire( RefreshedBroadcaster( *this ) );
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}
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void Views::appendByDescriptor(
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const css::uno::Reference< css::beans::XPropertySet >& descriptor )
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{
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osl::MutexGuard guard( m_xMutex->GetMutex() );
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Statics &st = getStatics();
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OUString name,schema,command;
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descriptor->getPropertyValue( st.SCHEMA_NAME ) >>= schema;
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descriptor->getPropertyValue( st.NAME ) >>= name;
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descriptor->getPropertyValue( st.COMMAND ) >>= command;
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Reference< XStatement > stmt = m_origin->createStatement();
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OUStringBuffer buf( 128 );
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buf.append( "CREATE VIEW ");
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bufferQuoteQualifiedIdentifier( buf, schema, name, m_pSettings );
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buf.append(" AS " + command );
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stmt->executeUpdate( buf.makeStringAndClear() );
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disposeNoThrow( stmt );
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refresh();
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if( m_pSettings->tables.is() )
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{
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m_pSettings->pTablesImpl->refresh();
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}
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}
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void Views::dropByName( const OUString& elementName )
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{
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String2IntMap::const_iterator ii = m_name2index.find( elementName );
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if( ii == m_name2index.end() )
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{
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throw css::container::NoSuchElementException(
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"View " + elementName + " is unknown, so it can't be dropped", *this );
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}
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dropByIndex( ii->second );
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}
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void Views::dropByIndex( sal_Int32 index )
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{
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osl::MutexGuard guard( m_xMutex->GetMutex() );
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if( index < 0 || o3tl::make_unsigned(index) >= m_values.size() )
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{
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throw css::lang::IndexOutOfBoundsException(
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"VIEWS: Index out of range (allowed 0 to " + OUString::number(m_values.size() -1)
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+ ", got " + OUString::number( index ) + ")",
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*this );
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}
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Reference< XPropertySet > set;
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m_values[index] >>= set;
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Statics &st = getStatics();
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OUString name,schema;
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set->getPropertyValue( st.SCHEMA_NAME ) >>= schema;
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set->getPropertyValue( st.NAME ) >>= name;
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Reference< XStatement > stmt = m_origin->createStatement( );
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stmt->executeUpdate( "DROP VIEW \"" + schema + "\".\"" + name + "\"" );
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}
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css::uno::Reference< css::beans::XPropertySet > Views::createDataDescriptor()
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{
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return new ViewDescriptor( m_xMutex, m_origin, m_pSettings );
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}
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Reference< css::container::XNameAccess > Views::create(
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const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
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const css::uno::Reference< css::sdbc::XConnection > & origin,
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ConnectionSettings *pSettings,
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rtl::Reference<Views> *ppViews)
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{
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*ppViews = new Views( refMutex, origin, pSettings );
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(*ppViews)->refresh();
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return *ppViews;
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}
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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