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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 <com/sun/star/sdbc/FetchDirection.hpp>
#include <com/sun/star/sdbc/XResultSet.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
#include <com/sun/star/sdbc/XCloseable.hpp>
#include <com/sun/star/sdbc/XColumnLocate.hpp>
#include <com/sun/star/util/XCancellable.hpp>
#include <com/sun/star/sdbc/XWarningsSupplier.hpp>
#include <com/sun/star/sdbc/XResultSetUpdate.hpp>
#include <com/sun/star/sdbc/XRowUpdate.hpp>
#include <com/sun/star/sdbcx/XRowLocate.hpp>
#include <com/sun/star/sdbcx/XDeleteRows.hpp>
#include <cppuhelper/compbase.hxx>
#include <comphelper/proparrhlp.hxx>
#include <odbc/OFunctions.hxx>
#include <odbc/OStatement.hxx>
#include <odbc/odbcbasedllapi.hxx>
#include <connectivity/CommonTools.hxx>
#include <connectivity/FValue.hxx>
#include <TSkipDeletedSet.hxx>
#include <memory>
namespace connectivity::odbc
{
/*
** java_sql_ResultSet
*/
typedef ::cppu::WeakComponentImplHelper< css::sdbc::XResultSet,
css::sdbc::XRow,
css::sdbc::XResultSetMetaDataSupplier,
css::util::XCancellable,
css::sdbc::XWarningsSupplier,
css::sdbc::XResultSetUpdate,
css::sdbc::XRowUpdate,
css::sdbcx::XRowLocate,
css::sdbcx::XDeleteRows,
css::sdbc::XCloseable,
css::sdbc::XColumnLocate,
css::lang::XServiceInfo> OResultSet_BASE;
typedef std::pair<sal_Int64,sal_Int32> TVoidPtr;
typedef std::allocator< TVoidPtr > TVoidAlloc;
typedef std::vector<TVoidPtr> TVoidVector;
/// Functor object for class ZZ returntype is void
struct OOO_DLLPUBLIC_ODBCBASE TBookmarkPosMapCompare
{
bool operator()( const css::uno::Sequence<sal_Int8>& _rLH,
const css::uno::Sequence<sal_Int8>& _rRH) const
{
if(_rLH.getLength() == _rRH.getLength())
{
sal_Int32 nCount = _rLH.getLength();
if(nCount != 4)
{
const sal_Int8* pLHBack = _rLH.getConstArray() + nCount - 1;
const sal_Int8* pRHBack = _rRH.getConstArray() + nCount - 1;
sal_Int32 i;
for(i=0;i < nCount;++i,--pLHBack,--pRHBack)
{
if(!(*pLHBack) && *pRHBack)
return true;
else if(*pLHBack && !(*pRHBack))
return false;
}
for(i=0,++pLHBack,++pRHBack;i < nCount;++pLHBack,++pRHBack,++i)
if(*pLHBack < *pRHBack)
return true;
return false;
}
else
return *reinterpret_cast<const sal_Int32*>(_rLH.getConstArray()) < *reinterpret_cast<const sal_Int32*>(_rRH.getConstArray());
}
else
return _rLH.getLength() < _rRH.getLength();
}
};
typedef std::map< css::uno::Sequence<sal_Int8>, sal_Int32,TBookmarkPosMapCompare > TBookmarkPosMap;
class OOO_DLLPUBLIC_ODBCBASE OResultSet :
public cppu::BaseMutex,
public ::connectivity::IResultSetHelper,
public OResultSet_BASE,
public ::cppu::OPropertySetHelper,
public ::comphelper::OPropertyArrayUsageHelper<OResultSet>
{
protected:
TBookmarkPosMap m_aPosToBookmarks;
// used top hold the information about the value and the datatype to save calls to metadata
typedef std::vector<ORowSetValue> TDataRow;
TVoidVector m_aBindVector;
std::vector<SQLLEN> m_aLengthVector;
std::map<sal_Int32,SWORD> m_aODBCColumnTypes;
// In baseline ODBC, SQLGetData can only be called on monotonically increasing column numbers.
// additionally, any variable-length data can be fetched only once (possibly in parts);
// after that, SQLGetData returns SQL_NO_DATA.
// In order to insulate our callers from these restrictions,
// we cache the current row in m_aRow.
// If the driver claims to support the GD_ANY_ORDER extension,
// we read and cache only the columns requested by a caller.
// Else, we read and cache all columns whose number is <= a requested column.
// m_aRow[colNumber].getBound() says if it contains an up-to-date value or not.
TDataRow m_aRow;
bool m_bFetchDataInOrder;
SQLHANDLE m_aStatementHandle;
SQLHANDLE m_aConnectionHandle;
OStatement_Base* m_pStatement;
std::unique_ptr<OSkipDeletedSet> m_pSkipDeletedSet;
css::uno::Reference< css::uno::XInterface> m_xStatement;
css::uno::Reference< css::sdbc::XResultSetMetaData> m_xMetaData;
std::unique_ptr<SQLUSMALLINT[]> m_pRowStatusArray;
rtl_TextEncoding m_nTextEncoding;
sal_Int32 m_nRowPos;
mutable sal_uInt32 m_nUseBookmarks;
SQLRETURN m_nCurrentFetchState;
bool m_bWasNull;
bool m_bEOF; // after last record
bool m_bRowInserted;
bool m_bRowDeleted;
bool m_bUseFetchScroll;
bool isBookmarkable() const;
sal_Int32 getResultSetConcurrency() const;
sal_Int32 getResultSetType() const;
static sal_Int32 getFetchDirection() { return css::sdbc::FetchDirection::FORWARD; }
sal_Int32 getFetchSize() const;
OUString getCursorName() const;
template < typename T, SQLINTEGER BufferLength > T getStmtOption (SQLINTEGER fOption) const;
void setFetchDirection(sal_Int32 _par0);
void setFetchSize(sal_Int32 _par0);
template < typename T, SQLINTEGER BufferLength > SQLRETURN setStmtOption (SQLINTEGER fOption, T value) const;
void ensureCacheForColumn(sal_Int32 columnIndex);
void invalidateCache();
void fillColumn(sal_Int32 _nToColumn);
void allocBuffer();
void releaseBuffer();
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
void updateValue(sal_Int32 columnIndex, SQLSMALLINT _nType, void const * _pValue);
void fillNeededData(SQLRETURN _nRet);
bool moveImpl(IResultSetHelper::Movement _eCursorPosition, sal_Int32 _nOffset);
TVoidPtr allocBindColumn(sal_Int32 _nType,sal_Int32 _nColumnIndex);
SQLRETURN unbind(bool _bUnbindHandle = true);
SWORD impl_getColumnType_nothrow(sal_Int32 columnIndex);
// helper to implement XRow::getXXX in simple cases
template < typename T > T getValue( sal_Int32 columnIndex );
// impl_getXXX are the functions that do the actual fetching from ODBC, ignoring the cache
// for simple cases
template < typename T > T impl_getValue( const sal_Int32 _nColumnIndex, SQLSMALLINT nType );
// these cases need some special treatment
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
bool impl_getBoolean( sal_Int32 columnIndex );
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
css::uno::Sequence< sal_Int8 > impl_getBytes( sal_Int32 columnIndex );
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
css::util::Date impl_getDate( sal_Int32 columnIndex );
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
css::util::Time impl_getTime( sal_Int32 columnIndex );
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
css::util::DateTime impl_getTimestamp( sal_Int32 columnIndex );
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
sal_Int64 impl_getLong( sal_Int32 columnIndex );
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
OUString impl_getString( sal_Int32 columnIndex );
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
css::uno::Sequence<sal_Int8> impl_getBookmark( );
// OPropertyArrayUsageHelper
virtual ::cppu::IPropertyArrayHelper* createArrayHelper( ) const override;
// OPropertySetHelper
virtual ::cppu::IPropertyArrayHelper & SAL_CALL getInfoHelper() override;
virtual sal_Bool SAL_CALL convertFastPropertyValue(
css::uno::Any & rConvertedValue,
css::uno::Any & rOldValue,
sal_Int32 nHandle,
const css::uno::Any& rValue ) override;
virtual void SAL_CALL setFastPropertyValue_NoBroadcast(
sal_Int32 nHandle,
const css::uno::Any& rValue
) override;
virtual void SAL_CALL getFastPropertyValue(
css::uno::Any& rValue,
sal_Int32 nHandle
) const override;
public:
DECLARE_SERVICE_INFO();
// A ctor that is needed for returning the object
OResultSet( SQLHANDLE _pStatementHandle,OStatement_Base* pStmt);
virtual ~OResultSet() override;
void construct();
oslGenericFunction getOdbcFunction(ODBC3SQLFunctionId _nIndex) const
{
return m_pStatement->getOdbcFunction(_nIndex);
}
css::uno::Reference< css::uno::XInterface > operator *()
{
return css::uno::Reference< css::uno::XInterface >(*static_cast<OResultSet_BASE*>(this));
}
void setMetaData(const css::uno::Reference< css::sdbc::XResultSetMetaData>& _xMetaData) { m_xMetaData = _xMetaData;}
// ::cppu::OComponentHelper
virtual void SAL_CALL disposing() override;
// XInterface
virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
virtual void SAL_CALL acquire() noexcept override;
virtual void SAL_CALL release() noexcept override;
//XTypeProvider
virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes( ) override;
// XPropertySet
virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo( ) override;
// XResultSet
virtual sal_Bool SAL_CALL next( ) override;
virtual sal_Bool SAL_CALL isBeforeFirst( ) override;
virtual sal_Bool SAL_CALL isAfterLast( ) override;
virtual sal_Bool SAL_CALL isFirst( ) override;
virtual sal_Bool SAL_CALL isLast( ) override;
virtual void SAL_CALL beforeFirst( ) override;
virtual void SAL_CALL afterLast( ) override;
virtual sal_Bool SAL_CALL first( ) override;
virtual sal_Bool SAL_CALL last( ) override;
virtual sal_Int32 SAL_CALL getRow( ) override;
virtual sal_Bool SAL_CALL absolute( sal_Int32 row ) override;
virtual sal_Bool SAL_CALL relative( sal_Int32 rows ) override;
virtual sal_Bool SAL_CALL previous( ) override;
virtual void SAL_CALL refreshRow( ) override;
virtual sal_Bool SAL_CALL rowUpdated( ) override;
virtual sal_Bool SAL_CALL rowInserted( ) override;
virtual sal_Bool SAL_CALL rowDeleted( ) override;
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL getStatement( ) override;
// 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;
// XResultSetMetaDataSupplier
virtual css::uno::Reference< css::sdbc::XResultSetMetaData > SAL_CALL getMetaData( ) override;
// XCancellable
virtual void SAL_CALL cancel( ) override;
// XCloseable
virtual void SAL_CALL close( ) override;
// XWarningsSupplier
virtual css::uno::Any SAL_CALL getWarnings( ) override;
virtual void SAL_CALL clearWarnings( ) override;
// XResultSetUpdate
virtual void SAL_CALL insertRow( ) override;
virtual void SAL_CALL updateRow( ) override;
virtual void SAL_CALL deleteRow( ) override;
virtual void SAL_CALL cancelRowUpdates( ) override;
virtual void SAL_CALL moveToInsertRow( ) override;
virtual void SAL_CALL moveToCurrentRow( ) override;
// XRowUpdate
virtual void SAL_CALL updateNull( sal_Int32 columnIndex ) override;
virtual void SAL_CALL updateBoolean( sal_Int32 columnIndex, sal_Bool x ) override;
virtual void SAL_CALL updateByte( sal_Int32 columnIndex, sal_Int8 x ) override;
virtual void SAL_CALL updateShort( sal_Int32 columnIndex, sal_Int16 x ) override;
virtual void SAL_CALL updateInt( sal_Int32 columnIndex, sal_Int32 x ) override;
virtual void SAL_CALL updateLong( sal_Int32 columnIndex, sal_Int64 x ) override;
virtual void SAL_CALL updateFloat( sal_Int32 columnIndex, float x ) override;
virtual void SAL_CALL updateDouble( sal_Int32 columnIndex, double x ) override;
virtual void SAL_CALL updateString( sal_Int32 columnIndex, const OUString& x ) override;
virtual void SAL_CALL updateBytes( sal_Int32 columnIndex, const css::uno::Sequence< sal_Int8 >& x ) override;
virtual void SAL_CALL updateDate( sal_Int32 columnIndex, const css::util::Date& x ) override;
virtual void SAL_CALL updateTime( sal_Int32 columnIndex, const css::util::Time& x ) override;
virtual void SAL_CALL updateTimestamp( sal_Int32 columnIndex, const css::util::DateTime& x ) override;
virtual void SAL_CALL updateBinaryStream( sal_Int32 columnIndex, const css::uno::Reference< css::io::XInputStream >& x, sal_Int32 length ) override;
virtual void SAL_CALL updateCharacterStream( sal_Int32 columnIndex, const css::uno::Reference< css::io::XInputStream >& x, sal_Int32 length ) override;
virtual void SAL_CALL updateObject( sal_Int32 columnIndex, const css::uno::Any& x ) override;
virtual void SAL_CALL updateNumericObject( sal_Int32 columnIndex, const css::uno::Any& x, sal_Int32 scale ) override;
// XColumnLocate
virtual sal_Int32 SAL_CALL findColumn( const OUString& columnName ) override;
// XRowLocate
virtual css::uno::Any SAL_CALL getBookmark( ) override;
virtual sal_Bool SAL_CALL moveToBookmark( const css::uno::Any& bookmark ) override;
virtual sal_Bool SAL_CALL moveRelativeToBookmark( const css::uno::Any& bookmark, sal_Int32 rows ) override;
virtual sal_Int32 SAL_CALL compareBookmarks( const css::uno::Any& first, const css::uno::Any& second ) override;
virtual sal_Bool SAL_CALL hasOrderedBookmarks( ) override;
virtual sal_Int32 SAL_CALL hashBookmark( const css::uno::Any& bookmark ) override;
// XDeleteRows
virtual css::uno::Sequence< sal_Int32 > SAL_CALL deleteRows( const css::uno::Sequence< css::uno::Any >& rows ) override;
// IResultSetHelper
virtual bool move(IResultSetHelper::Movement _eCursorPosition, sal_Int32 _nOffset, bool _bRetrieveData) override;
virtual sal_Int32 getDriverPos() const override;
virtual bool isRowDeleted() const override;
protected:
using OPropertySetHelper::getFastPropertyValue;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
