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