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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include "CacheSet.hxx"
#include <memory>
#include <map>
#include <utility>
#include <vector>
#include <com/sun/star/sdb/XSingleSelectQueryAnalyzer.hpp>
#include <com/sun/star/sdb/XSingleSelectQueryComposer.hpp>
#include <comphelper/stl_types.hxx>
namespace dbaccess
{
struct SelectColumnDescription
{
OUString sRealName; // may be empty
OUString sTableName; // may be empty
OUString sDefaultValue;
sal_Int32 nPosition;
sal_Int32 nType;
sal_Int32 nScale;
bool bNullable;
SelectColumnDescription()
:nPosition( 0 )
,nType( 0 )
,nScale( 0 )
,bNullable(false)
{
}
SelectColumnDescription( sal_Int32 _nPosition, sal_Int32 _nType, sal_Int32 _nScale, bool _bNullable, OUString _sDefaultValue )
:sDefaultValue(std::move( _sDefaultValue ))
,nPosition( _nPosition )
,nType( _nType )
,nScale( _nScale )
,bNullable(_bNullable)
{
}
};
typedef std::map< OUString, SelectColumnDescription, ::comphelper::UStringMixLess > SelectColumnsMetaData;
// the elements of _rxQueryColumns must have the properties PROPERTY_REALNAME and PROPERTY_TABLENAME
void getColumnPositions(const css::uno::Reference< css::container::XNameAccess >& _rxQueryColumns,
const css::uno::Sequence< OUString >& _rColumnNames,
std::u16string_view _rsUpdateTableName,
SelectColumnsMetaData& o_rColumnNames /* out */,
bool i_bAppendTableName = false);
typedef std::pair<ORowSetRow,std::pair<sal_Int32,css::uno::Reference< css::sdbc::XRow> > > OKeySetValue;
typedef std::map<sal_Int32,OKeySetValue > OKeySetMatrix;
typedef std::map<sal_Int32, rtl::Reference<ORowSetValueVector> > OUpdatedParameter;
// is used when the source supports keys
class OKeySet : public OCacheSet
{
protected:
OKeySetMatrix m_aKeyMap;
OKeySetMatrix::iterator m_aKeyIter;
std::vector< OUString > m_aAutoColumns; // contains all columns which are autoincrement ones
OUpdatedParameter m_aUpdatedParameter; // contains all parameter which have been updated and are needed for refetching
rtl::Reference<ORowSetValueVector> m_aParameterValueForCache;
std::unique_ptr<SelectColumnsMetaData> m_pKeyColumnNames; // contains all key column names
std::unique_ptr<SelectColumnsMetaData> m_pColumnNames; // contains all column names
std::unique_ptr<SelectColumnsMetaData> m_pParameterNames; // contains all parameter names
std::unique_ptr<SelectColumnsMetaData> m_pForeignColumnNames; // contains all column names of the rest
connectivity::OSQLTable m_xTable; // reference to our table
// we need a different SQL (statement) for each different combination
// of NULLness of key & foreign columns;
// each subclause is either "colName = ?" or "colName IS NULL"
// (we avoid the standard "colName IS NOT DISTINCT FROM ?" because it is not widely supported)
typedef std::map< std::vector<bool>,
css::uno::Reference< css::sdbc::XPreparedStatement > >
vStatements_t;
vStatements_t m_vStatements;
css::uno::Reference< css::sdbc::XPreparedStatement> m_xStatement;
css::uno::Reference< css::sdbc::XResultSet> m_xSet;
css::uno::Reference< css::sdbc::XRow> m_xRow;
css::uno::Reference< css::sdb::XSingleSelectQueryAnalyzer > m_xComposer;
const OUString m_sUpdateTableName;
std::vector< OUString > m_aFilterColumns;
sal_Int32& m_rRowCount;
bool m_bRowCountFinal;
/** copies the values from the insert row into the key row
*
* \param _rInsertRow the row which was inserted
* \param _rKeyRow The current key row of the row set.
+ \param i_nBookmark The bookmark is used to update the parameter
*/
void copyRowValue(const ORowSetRow& _rInsertRow, ORowSetRow const & _rKeyRow, sal_Int32 i_nBookmark);
// returns true if it did any work
bool fillAllRows();
bool fetchRow();
void invalidateRow();
static void impl_convertValue_throw(const ORowSetRow& _rInsertRow,const SelectColumnDescription& i_aMetaData);
void initColumns();
void findTableColumnsMatching_throw( const css::uno::Any& i_aTable,
const OUString& i_rUpdateTableName,
const css::uno::Reference< css::sdbc::XDatabaseMetaData>& i_xMeta,
const css::uno::Reference< css::container::XNameAccess>& i_xQueryColumns,
std::unique_ptr<SelectColumnsMetaData> const & o_pKeyColumnNames);
void ensureStatement( );
virtual void makeNewStatement( );
static void setOneKeyColumnParameter( sal_Int32 &nPos,
const css::uno::Reference< css::sdbc::XParameters > &_xParameter,
const connectivity::ORowSetValue &_rValue,
sal_Int32 _nType,
sal_Int32 _nScale );
OUStringBuffer createKeyFilter( );
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
bool doTryRefetch_throw();
void tryRefetch(const ORowSetRow& _rInsertRow,bool bRefetch);
void executeUpdate(const ORowSetRow& _rInsertRow, const ORowSetRow& _rOriginalRow, const OUString& i_sSQL, std::u16string_view i_sTableName,const std::vector<sal_Int32>& _aIndexColumnPositions = std::vector<sal_Int32>());
void executeInsert( const ORowSetRow& _rInsertRow, const OUString& i_sSQL, std::u16string_view i_sTableName, bool bRefetch = false);
void executeStatement(OUStringBuffer& io_aFilter, css::uno::Reference< css::sdb::XSingleSelectQueryComposer>& io_xAnalyzer);
virtual ~OKeySet() override;
public:
OKeySet(connectivity::OSQLTable _aTable,
OUString _sUpdateTableName,
const css::uno::Reference< css::sdb::XSingleSelectQueryAnalyzer >& _xComposer,
const ORowSetValueVector& _aParameterValueForCache,
sal_Int32 i_nMaxRows,
sal_Int32& o_nRowCount);
// late ctor which can throw exceptions
virtual void construct(const css::uno::Reference< css::sdbc::XResultSet>& _xDriverSet,const OUString& i_sRowSetFilter) override;
virtual void reset(const css::uno::Reference< css::sdbc::XResultSet>& _xDriverSet) override;
// css::sdbc::XRow
virtual sal_Bool SAL_CALL wasNull( ) override;
virtual OUString SAL_CALL getString( sal_Int32 columnIndex ) override;
virtual sal_Bool SAL_CALL getBoolean( sal_Int32 columnIndex ) override;
virtual sal_Int8 SAL_CALL getByte( sal_Int32 columnIndex ) override;
virtual sal_Int16 SAL_CALL getShort( sal_Int32 columnIndex ) override;
virtual sal_Int32 SAL_CALL getInt( sal_Int32 columnIndex ) override;
virtual sal_Int64 SAL_CALL getLong( sal_Int32 columnIndex ) override;
virtual float SAL_CALL getFloat( sal_Int32 columnIndex ) override;
virtual double SAL_CALL getDouble( sal_Int32 columnIndex ) override;
virtual css::uno::Sequence< sal_Int8 > SAL_CALL getBytes( sal_Int32 columnIndex ) override;
virtual css::util::Date SAL_CALL getDate( sal_Int32 columnIndex ) override;
virtual css::util::Time SAL_CALL getTime( sal_Int32 columnIndex ) override;
virtual css::util::DateTime SAL_CALL getTimestamp( sal_Int32 columnIndex ) override;
virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getBinaryStream( sal_Int32 columnIndex ) override;
virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getCharacterStream( sal_Int32 columnIndex ) override;
virtual css::uno::Any SAL_CALL getObject( sal_Int32 columnIndex, const css::uno::Reference< css::container::XNameAccess >& typeMap ) override;
virtual css::uno::Reference< css::sdbc::XRef > SAL_CALL getRef( sal_Int32 columnIndex ) override;
virtual css::uno::Reference< css::sdbc::XBlob > SAL_CALL getBlob( sal_Int32 columnIndex ) override;
virtual css::uno::Reference< css::sdbc::XClob > SAL_CALL getClob( sal_Int32 columnIndex ) override;
virtual css::uno::Reference< css::sdbc::XArray > SAL_CALL getArray( sal_Int32 columnIndex ) override;
virtual bool rowUpdated( ) override;
virtual bool rowInserted( ) override;
virtual bool rowDeleted( ) override;
bool isBeforeFirst( );
bool isAfterLast( );
// css::sdbc::XResultSet
virtual bool next() override;
virtual void beforeFirst( ) override;
virtual void afterLast( ) override;
virtual bool first() override;
virtual bool last( ) override;
virtual sal_Int32 getRow( ) override;
virtual bool absolute( sal_Int32 row ) override;
virtual bool previous( ) override;
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
void ensureRowForData( );
virtual void refreshRow( ) override;
// css::sdbcx::XRowLocate
virtual css::uno::Any getBookmark() override;
virtual bool moveToBookmark( const css::uno::Any& bookmark ) override;
virtual sal_Int32 compareBookmarks( const css::uno::Any& first, const css::uno::Any& second ) override;
virtual bool hasOrderedBookmarks( ) override;
virtual sal_Int32 hashBookmark( const css::uno::Any& bookmark ) override;
// css::sdbc::XResultSetUpdate
virtual void updateRow(const ORowSetRow& _rInsertRow,const ORowSetRow& _rOriginalRow,const connectivity::OSQLTable& _xTable ) override;
virtual void deleteRow(const ORowSetRow& _rInsertRow,const connectivity::OSQLTable& _xTable ) override;
virtual void insertRow( const ORowSetRow& _rInsertRow,const connectivity::OSQLTable& _xTable ) override;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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