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Diffstat (limited to '')
| -rw-r--r-- | connectivity/source/drivers/postgresql/pq_xviews.cxx | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/connectivity/source/drivers/postgresql/pq_xviews.cxx b/connectivity/source/drivers/postgresql/pq_xviews.cxx new file mode 100644 index 000000000..1f5b6c4fa --- /dev/null +++ b/connectivity/source/drivers/postgresql/pq_xviews.cxx @@ -0,0 +1,219 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * Effective License of whole file: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * Parts "Copyright by Sun Microsystems, Inc" prior to August 2011: + * + * The Contents of this file are made available subject to the terms of + * the GNU Lesser General Public License Version 2.1 + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * Contributor(s): Joerg Budischewski + * + * All parts contributed on or after August 2011: + * + * 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/. + * + ************************************************************************/ + +#include <rtl/ref.hxx> +#include <rtl/ustrbuf.hxx> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> +#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp> +#include <com/sun/star/sdbc/SQLException.hpp> +#include <com/sun/star/sdbc/XRow.hpp> +#include <cppuhelper/exc_hlp.hxx> +#include <o3tl/safeint.hxx> + +#include "pq_xviews.hxx" +#include "pq_xview.hxx" +#include "pq_xtables.hxx" +#include "pq_statics.hxx" +#include "pq_tools.hxx" + +using osl::MutexGuard; + +using com::sun::star::beans::XPropertySet; + +using com::sun::star::uno::Any; +using com::sun::star::uno::UNO_QUERY; +using com::sun::star::uno::Reference; + +using com::sun::star::container::NoSuchElementException; + +using com::sun::star::sdbc::XRow; +using com::sun::star::sdbc::XStatement; +using com::sun::star::sdbc::XResultSet; + + +namespace pq_sdbc_driver +{ +Views::Views( + const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex, + const css::uno::Reference< css::sdbc::XConnection > & origin, + ConnectionSettings *pSettings ) + : Container( refMutex, origin, pSettings, getStatics().VIEW ) +{} + +Views::~Views() +{} + +void Views::refresh() +{ + try + { + osl::MutexGuard guard( m_xMutex->GetMutex() ); + Statics & st = getStatics(); + + Reference< XStatement > stmt = m_origin->createStatement(); + + Reference< XResultSet > rs = stmt->executeQuery("SELECT " + "DISTINCT ON( pg_namespace.nspname, relname) " // needed because of duplicates + "pg_namespace.nspname," // 1 + "relname," // 2 + "pg_get_viewdef(ev_class) " // 3 + "FROM pg_namespace, pg_class, pg_rewrite " + "WHERE pg_namespace.oid = relnamespace " + "AND pg_class.oid = ev_class " + "AND relkind=\'v\'" ); + + Reference< XRow > xRow( rs , UNO_QUERY ); + + m_values.clear(); + String2IntMap map; + sal_Int32 viewIndex = 0; + + while( rs->next() ) + { + OUString table, schema, command; + schema = xRow->getString( 1 ); + table = xRow->getString( 2 ); + command = xRow->getString( 3 ); + + rtl::Reference<View> pView = new View (m_xMutex, m_origin, m_pSettings ); + Reference< css::beans::XPropertySet > prop = pView; + + pView->setPropertyValue_NoBroadcast_public(st.NAME , Any(table) ); + pView->setPropertyValue_NoBroadcast_public(st.SCHEMA_NAME, Any(schema) ); + pView->setPropertyValue_NoBroadcast_public(st.COMMAND, Any(command) ); + + { + m_values.push_back( Any( prop ) ); + map[ schema + "." + table ] = viewIndex; + ++viewIndex; + } + } + m_name2index.swap( map ); + } + catch ( css::sdbc::SQLException & e ) + { + css::uno::Any anyEx = cppu::getCaughtException(); + throw css::lang::WrappedTargetRuntimeException( e.Message, + e.Context, anyEx ); + } + fire( RefreshedBroadcaster( *this ) ); +} + + +void Views::appendByDescriptor( + const css::uno::Reference< css::beans::XPropertySet >& descriptor ) +{ + osl::MutexGuard guard( m_xMutex->GetMutex() ); + + Statics &st = getStatics(); + OUString name,schema,command; + descriptor->getPropertyValue( st.SCHEMA_NAME ) >>= schema; + descriptor->getPropertyValue( st.NAME ) >>= name; + descriptor->getPropertyValue( st.COMMAND ) >>= command; + + Reference< XStatement > stmt = m_origin->createStatement(); + + OUStringBuffer buf( 128 ); + + buf.append( "CREATE VIEW "); + bufferQuoteQualifiedIdentifier( buf, schema, name, m_pSettings ); + buf.append(" AS " + command ); + + stmt->executeUpdate( buf.makeStringAndClear() ); + + disposeNoThrow( stmt ); + refresh(); + if( m_pSettings->tables.is() ) + { + m_pSettings->pTablesImpl->refresh(); + } +} + +void Views::dropByName( const OUString& elementName ) +{ + String2IntMap::const_iterator ii = m_name2index.find( elementName ); + if( ii == m_name2index.end() ) + { + throw css::container::NoSuchElementException( + "View " + elementName + " is unknown, so it can't be dropped", *this ); + } + dropByIndex( ii->second ); +} + +void Views::dropByIndex( sal_Int32 index ) +{ + osl::MutexGuard guard( m_xMutex->GetMutex() ); + if( index < 0 || o3tl::make_unsigned(index) >= m_values.size() ) + { + throw css::lang::IndexOutOfBoundsException( + "VIEWS: Index out of range (allowed 0 to " + OUString::number(m_values.size() -1) + + ", got " + OUString::number( index ) + ")", + *this ); + } + + Reference< XPropertySet > set; + m_values[index] >>= set; + Statics &st = getStatics(); + OUString name,schema; + set->getPropertyValue( st.SCHEMA_NAME ) >>= schema; + set->getPropertyValue( st.NAME ) >>= name; + + Reference< XStatement > stmt = m_origin->createStatement( ); + + stmt->executeUpdate( "DROP VIEW \"" + schema + "\".\"" + name + "\"" ); +} + + +css::uno::Reference< css::beans::XPropertySet > Views::createDataDescriptor() +{ + return new ViewDescriptor( m_xMutex, m_origin, m_pSettings ); +} + +Reference< css::container::XNameAccess > Views::create( + const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex, + const css::uno::Reference< css::sdbc::XConnection > & origin, + ConnectionSettings *pSettings, + rtl::Reference<Views> *ppViews) +{ + *ppViews = new Views( refMutex, origin, pSettings ); + (*ppViews)->refresh(); + + return *ppViews; +} + +}; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |