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libreoffice/connectivity/source/drivers/odbc/OResultSet.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

1862 lines
59 KiB
C++

/* -*- 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 .
*/
#include <odbc/OResultSet.hxx>
#include <odbc/OTools.hxx>
#include <odbc/OResultSetMetaData.hxx>
#include <com/sun/star/sdbc/DataType.hpp>
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <com/sun/star/beans/PropertyVetoException.hpp>
#include <com/sun/star/sdbcx/CompareBookmark.hpp>
#include <com/sun/star/sdbc/ResultSetConcurrency.hpp>
#include <com/sun/star/sdbc/ResultSetType.hpp>
#include <comphelper/property.hxx>
#include <comphelper/sequence.hxx>
#include <cppuhelper/typeprovider.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <comphelper/types.hxx>
#include <comphelper/scopeguard.hxx>
#include <connectivity/dbtools.hxx>
#include <connectivity/dbexception.hxx>
#include <o3tl/safeint.hxx>
#include <sal/log.hxx>
using namespace ::comphelper;
using namespace connectivity;
using namespace connectivity::odbc;
using namespace cppu;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::beans;
using namespace com::sun::star::sdbc;
using namespace com::sun::star::sdbcx;
using namespace com::sun::star::container;
using namespace com::sun::star::io;
using namespace com::sun::star::util;
#define ODBC_SQL_NOT_DEFINED 99UL
static_assert(ODBC_SQL_NOT_DEFINED != SQL_UB_OFF, "ODBC_SQL_NOT_DEFINED must be unique");
static_assert(ODBC_SQL_NOT_DEFINED != SQL_UB_ON, "ODBC_SQL_NOT_DEFINED must be unique");
static_assert(ODBC_SQL_NOT_DEFINED != SQL_UB_FIXED, "ODBC_SQL_NOT_DEFINED must be unique");
static_assert(ODBC_SQL_NOT_DEFINED != SQL_UB_VARIABLE, "ODBC_SQL_NOT_DEFINED must be unique");
class connectivity::odbc::BindData
{
public:
virtual void* data() = 0;
virtual SQLLEN len() const = 0;
virtual ~BindData() {}
};
namespace
{
const SQLLEN nMaxBookmarkLen = 20;
template <typename T> class SimpleBindData : public connectivity::odbc::BindData
{
public:
SimpleBindData(const void* p)
: value(*static_cast<const T*>(p))
{
}
void* data() override { return &value; }
SQLLEN len() const override { return sizeof(T); }
private:
T value;
};
template <class CHARS_t> class CharsBindData : public connectivity::odbc::BindData
{
public:
template <typename... Args>
CharsBindData(const void* p, Args... args)
: value(*static_cast<const OUString*>(p), args...)
{
}
template <class S> requires std::is_class_v<S>
CharsBindData(const S& val)
: value(val)
{
}
void* data() override { return value.get(); }
SQLLEN len() const override { return SQL_NTS; } // input data needs to tell it's null-terminated
private:
CHARS_t value;
};
class NullBindData : public connectivity::odbc::BindData
{
public:
void* data() override { return &value; }
SQLLEN len() const override { return SQL_NULL_DATA; }
private:
char value[2] = {};
};
class BinaryBindData : public connectivity::odbc::BindData
{
public:
BinaryBindData(const void* p)
: value(*static_cast<const css::uno::Sequence<sal_Int8>*>(p))
{
}
void* data() override { return const_cast<sal_Int8*>(value.getConstArray()); }
SQLLEN len() const override { return value.getLength(); }
private:
css::uno::Sequence<sal_Int8> value; // ref-counted CoW
};
}
// IMPLEMENT_SERVICE_INFO(OResultSet,"com.sun.star.sdbcx.OResultSet","com.sun.star.sdbc.ResultSet");
OUString SAL_CALL OResultSet::getImplementationName( )
{
return u"com.sun.star.sdbcx.odbc.ResultSet"_ustr;
}
Sequence< OUString > SAL_CALL OResultSet::getSupportedServiceNames( )
{
return { u"com.sun.star.sdbc.ResultSet"_ustr, u"com.sun.star.sdbcx.ResultSet"_ustr };
}
sal_Bool SAL_CALL OResultSet::supportsService( const OUString& _rServiceName )
{
return cppu::supportsService(this, _rServiceName);
}
OResultSet::OResultSet(SQLHANDLE _pStatementHandle ,OStatement_Base* pStmt) : OResultSet_BASE(m_aMutex)
,OPropertySetHelper(OResultSet_BASE::rBHelper)
,m_bFetchDataInOrder(true)
,m_aStatementHandle(_pStatementHandle)
,m_aConnectionHandle(pStmt->getConnectionHandle())
,m_pStatement(pStmt)
,m_xStatement(*pStmt)
,m_nTextEncoding(pStmt->getOwnConnection()->getTextEncoding())
,m_nRowPos(0)
,m_nUseBookmarks(ODBC_SQL_NOT_DEFINED)
,m_nCurrentFetchState(0)
,m_bWasNull(true)
,m_bEOF(true)
,m_bRowInserted(false)
,m_bRowDeleted(false)
,m_bUseFetchScroll(false)
{
osl_atomic_increment( &m_refCount );
try
{
m_pRowStatusArray.reset( new SQLUSMALLINT[1] ); // the default value
setStmtOption<SQLUSMALLINT*, SQL_IS_POINTER>(SQL_ATTR_ROW_STATUS_PTR, m_pRowStatusArray.get());
}
catch(const Exception&)
{ // we don't want our result destroy here
}
try
{
SQLULEN nCurType = getStmtOption<SQLULEN, SQL_IS_UINTEGER>(SQL_ATTR_CURSOR_TYPE);
SQLUINTEGER nValueLen = m_pStatement->getCursorProperties(nCurType,false);
if( (nValueLen & SQL_CA2_SENSITIVITY_DELETIONS) != SQL_CA2_SENSITIVITY_DELETIONS ||
(nValueLen & SQL_CA2_CRC_EXACT) != SQL_CA2_CRC_EXACT)
m_pSkipDeletedSet.reset( new OSkipDeletedSet(this) );
}
catch(const Exception&)
{ // we don't want our result destroy here
}
try
{
SQLUINTEGER nValueLen = 0;
// Reference: http://msdn.microsoft.com/en-us/library/windows/desktop/ms715441%28v=vs.85%29.aspx
// LibreOffice ODBC binds columns only on update, so we don't care about SQL_GD_ANY_COLUMN / SQL_GD_BOUND
// TODO: maybe a problem if a column is updated, then an earlier column fetched?
// an updated column is bound...
// TODO: aren't we assuming SQL_GD_OUTPUT_PARAMS?
// If yes, we should at least OSL_ENSURE it,
// even better throw an exception any OUT parameter registration if !SQL_GD_OUTPUT_PARAMS.
// If !SQL_GD_ANY_ORDER, cache the whole row so that callers can access columns in any order.
// In other words, isolate them from ODBC restrictions.
// TODO: we assume SQL_GD_BLOCK, unless fetchSize is 1
OTools::GetInfo(m_pStatement->getOwnConnection(),m_aConnectionHandle,SQL_GETDATA_EXTENSIONS,nValueLen,nullptr);
m_bFetchDataInOrder = ((SQL_GD_ANY_ORDER & nValueLen) != SQL_GD_ANY_ORDER);
}
catch(const Exception&)
{
m_bFetchDataInOrder = true;
}
try
{
// TODO: this does *not* do what it appears.
// We use SQLFetchScroll unconditionally in several places
// the *only* difference this makes is whether ::next() uses SQLFetchScroll or SQLFetch
// so this test seems pointless
if (functions().has(ODBC3SQLFunctionId::GetFunctions))
{
SQLUSMALLINT nSupported = 0;
m_bUseFetchScroll = ( functions().GetFunctions(m_aConnectionHandle,SQL_API_SQLFETCHSCROLL,&nSupported) == SQL_SUCCESS && nSupported == 1 );
}
}
catch(const Exception&)
{
m_bUseFetchScroll = false;
}
osl_atomic_decrement( &m_refCount );
}
OResultSet::~OResultSet()
{
}
void OResultSet::construct()
{
osl_atomic_increment( &m_refCount );
allocBuffer();
osl_atomic_decrement( &m_refCount );
}
void OResultSet::disposing()
{
functions().CloseCursor(m_aStatementHandle);
OPropertySetHelper::disposing();
::osl::MutexGuard aGuard(m_aMutex);
releaseBuffer();
setStmtOption<SQLUSMALLINT*, SQL_IS_POINTER>(SQL_ATTR_ROW_STATUS_PTR, nullptr);
m_xStatement.clear();
m_xMetaData.clear();
}
// See OResultSet::updateValue
SQLRETURN OResultSet::unbind(bool _bUnbindHandle)
{
SQLRETURN nRet = 0;
if ( _bUnbindHandle )
nRet = functions().FreeStmt(m_aStatementHandle,SQL_UNBIND);
m_aBindVector.clear();
return nRet;
}
void OResultSet::allocBuffer()
{
Reference< XResultSetMetaData > xMeta = getMetaData();
sal_Int32 nLen = xMeta->getColumnCount();
m_aBindVector.reserve(nLen);
m_aRow.resize(nLen+1);
m_aRow[0].setTypeKind(DataType::VARBINARY);
m_aRow[0].setBound( false );
for(sal_Int32 i = 1;i<=nLen;++i)
{
sal_Int32 nType = xMeta->getColumnType(i);
m_aRow[i].setTypeKind( nType );
m_aRow[i].setBound( false );
}
m_aLengthVector.resize(nLen + 1);
}
void OResultSet::releaseBuffer()
{
unbind(false);
m_aLengthVector.clear();
}
Any SAL_CALL OResultSet::queryInterface( const Type & rType )
{
Any aRet = OPropertySetHelper::queryInterface(rType);
return aRet.hasValue() ? aRet : OResultSet_BASE::queryInterface(rType);
}
Sequence< Type > SAL_CALL OResultSet::getTypes( )
{
OTypeCollection aTypes( cppu::UnoType<css::beans::XMultiPropertySet>::get(),
cppu::UnoType<css::beans::XFastPropertySet>::get(),
cppu::UnoType<css::beans::XPropertySet>::get());
return ::comphelper::concatSequences(aTypes.getTypes(),OResultSet_BASE::getTypes());
}
sal_Int32 SAL_CALL OResultSet::findColumn( const OUString& columnName )
{
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
::osl::MutexGuard aGuard( m_aMutex );
Reference< XResultSetMetaData > xMeta = getMetaData();
sal_Int32 nLen = xMeta->getColumnCount();
sal_Int32 i = 1;
for(;i<=nLen;++i)
{
if(xMeta->isCaseSensitive(i) ? columnName == xMeta->getColumnName(i) :
columnName.equalsIgnoreAsciiCase(xMeta->getColumnName(i)))
return i;
}
::dbtools::throwInvalidColumnException( columnName, *this );
}
void OResultSet::ensureCacheForColumn(sal_Int32 columnIndex)
{
SAL_INFO( "connectivity.odbc", "odbc lionel@mamane.lu OResultSet::ensureCacheForColumn" );
assert(columnIndex >= 0);
const TDataRow::size_type oldCacheSize = m_aRow.size();
const TDataRow::size_type uColumnIndex = static_cast<TDataRow::size_type>(columnIndex);
if (oldCacheSize > uColumnIndex)
// nothing to do
return;
m_aRow.resize(columnIndex + 1);
TDataRow::iterator i (m_aRow.begin() + oldCacheSize);
const TDataRow::const_iterator end(m_aRow.end());
for (; i != end; ++i)
{
i->setBound(false);
}
}
void OResultSet::invalidateCache()
{
for(auto& rItem : m_aRow)
{
rItem.setBound(false);
}
}
Reference< XInputStream > SAL_CALL OResultSet::getBinaryStream( sal_Int32 /*columnIndex*/ )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
::dbtools::throwFunctionNotSupportedSQLException( u"XRow::getBinaryStream"_ustr, *this );
}
Reference< XInputStream > SAL_CALL OResultSet::getCharacterStream( sal_Int32 /*columnIndex*/ )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
::dbtools::throwFunctionNotSupportedSQLException( u"XRow::getBinaryStream"_ustr, *this );
}
template < typename T > T OResultSet::impl_getValue( const sal_Int32 _nColumnIndex, SQLSMALLINT nType )
{
T val;
OTools::getValue(m_pStatement->getOwnConnection(), m_aStatementHandle, _nColumnIndex, nType, m_bWasNull, **this, &val, sizeof(val));
return val;
}
// this function exists for the implicit conversion to sal_Bool (compared to a direct call to impl_getValue)
bool OResultSet::impl_getBoolean( sal_Int32 columnIndex )
{
return impl_getValue<sal_Int8>(columnIndex, SQL_C_BIT);
}
template < typename T > T OResultSet::getValue( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
fillColumn(columnIndex);
m_bWasNull = m_aRow[columnIndex].isNull();
auto const & row = m_aRow[columnIndex];
if constexpr ( std::is_same_v<css::util::Time, T> )
return row.getTime();
else if constexpr ( std::is_same_v<css::util::DateTime, T> )
return row.getDateTime();
else if constexpr ( std::is_same_v<css::util::Date, T> )
return row.getDate();
else if constexpr ( std::is_same_v<OUString, T> )
return row.getString();
else if constexpr ( std::is_same_v<sal_Int64, T> )
return row.getLong();
else if constexpr ( std::is_same_v<sal_Int32, T> )
return row.getInt32();
else if constexpr ( std::is_same_v<sal_Int16, T> )
return row.getInt16();
else if constexpr ( std::is_same_v<sal_Int8, T> )
return row.getInt8();
else if constexpr ( std::is_same_v<float, T> )
return row.getFloat();
else if constexpr ( std::is_same_v<double, T> )
return row.getDouble();
else if constexpr ( std::is_same_v<bool, T> )
return row.getBool();
else
return row;
}
sal_Bool SAL_CALL OResultSet::getBoolean( sal_Int32 columnIndex )
{
return getValue<bool>( columnIndex );
}
sal_Int8 SAL_CALL OResultSet::getByte( sal_Int32 columnIndex )
{
return getValue<sal_Int8>( columnIndex );
}
Sequence< sal_Int8 > SAL_CALL OResultSet::getBytes( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
fillColumn(columnIndex);
m_bWasNull = m_aRow[columnIndex].isNull();
Sequence< sal_Int8 > nRet;
switch(m_aRow[columnIndex].getTypeKind())
{
case DataType::BINARY:
case DataType::VARBINARY:
case DataType::LONGVARBINARY:
nRet = m_aRow[columnIndex].getSequence();
break;
default:
{
OUString const sRet = m_aRow[columnIndex].getString();
nRet = Sequence<sal_Int8>(reinterpret_cast<const sal_Int8*>(sRet.getStr()),sizeof(sal_Unicode)*sRet.getLength());
}
}
return nRet;
}
Sequence< sal_Int8 > OResultSet::impl_getBytes( sal_Int32 columnIndex )
{
const SWORD nColumnType = impl_getColumnType_nothrow(columnIndex);
switch(nColumnType)
{
case SQL_WVARCHAR:
case SQL_WCHAR:
case SQL_WLONGVARCHAR:
case SQL_VARCHAR:
case SQL_CHAR:
case SQL_LONGVARCHAR:
{
OUString const aRet = OTools::getStringValue(m_pStatement->getOwnConnection(),m_aStatementHandle,columnIndex,nColumnType,m_bWasNull,**this,m_nTextEncoding);
return Sequence<sal_Int8>(reinterpret_cast<const sal_Int8*>(aRet.getStr()),sizeof(sal_Unicode)*aRet.getLength());
}
default:
return OTools::getBytesValue(m_pStatement->getOwnConnection(),m_aStatementHandle,columnIndex,SQL_C_BINARY,m_bWasNull,**this);
}
}
Date OResultSet::impl_getDate( sal_Int32 columnIndex )
{
DATE_STRUCT aDate = impl_getValue< DATE_STRUCT> ( columnIndex,
m_pStatement->getOwnConnection()->useOldDateFormat() ? SQL_C_DATE : SQL_C_TYPE_DATE );
return Date(aDate.day, aDate.month, aDate.year);
}
Date SAL_CALL OResultSet::getDate( sal_Int32 columnIndex )
{
return getValue<Date>( columnIndex );
}
double SAL_CALL OResultSet::getDouble( sal_Int32 columnIndex )
{
return getValue<double>( columnIndex );
}
float SAL_CALL OResultSet::getFloat( sal_Int32 columnIndex )
{
return getValue<float>( columnIndex );
}
sal_Int16 SAL_CALL OResultSet::getShort( sal_Int32 columnIndex )
{
return getValue<sal_Int16>( columnIndex );
}
sal_Int32 SAL_CALL OResultSet::getInt( sal_Int32 columnIndex )
{
return getValue<sal_Int32>( columnIndex );
}
sal_Int64 SAL_CALL OResultSet::getLong( sal_Int32 columnIndex )
{
return getValue<sal_Int64>( columnIndex );
}
sal_Int64 OResultSet::impl_getLong( sal_Int32 columnIndex )
{
try
{
return impl_getValue<sal_Int64>(columnIndex, SQL_C_SBIGINT);
}
catch(const SQLException&)
{
return getString(columnIndex).toInt64();
}
}
sal_Int32 SAL_CALL OResultSet::getRow( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
return m_pSkipDeletedSet ? m_pSkipDeletedSet->getMappedPosition(getDriverPos()) : getDriverPos();
}
Reference< XResultSetMetaData > SAL_CALL OResultSet::getMetaData( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
if(!m_xMetaData.is())
m_xMetaData = new OResultSetMetaData(m_pStatement->getOwnConnection(),m_aStatementHandle);
return m_xMetaData;
}
Reference< XArray > SAL_CALL OResultSet::getArray( sal_Int32 /*columnIndex*/ )
{
::dbtools::throwFunctionNotSupportedSQLException( u"XRow::getArray"_ustr, *this );
}
Reference< XClob > SAL_CALL OResultSet::getClob( sal_Int32 /*columnIndex*/ )
{
::dbtools::throwFunctionNotSupportedSQLException( u"XRow::getClob"_ustr, *this );
}
Reference< XBlob > SAL_CALL OResultSet::getBlob( sal_Int32 /*columnIndex*/ )
{
::dbtools::throwFunctionNotSupportedSQLException( u"XRow::getBlob"_ustr, *this );
}
Reference< XRef > SAL_CALL OResultSet::getRef( sal_Int32 /*columnIndex*/ )
{
::dbtools::throwFunctionNotSupportedSQLException( u"XRow::getRef"_ustr, *this );
}
Any SAL_CALL OResultSet::getObject( sal_Int32 columnIndex, const Reference< css::container::XNameAccess >& /*typeMap*/ )
{
return getValue<ORowSetValue>( columnIndex ).makeAny();
}
OUString OResultSet::impl_getString( sal_Int32 columnIndex )
{
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
const SWORD nColumnType = impl_getColumnType_nothrow(columnIndex);
return OTools::getStringValue(m_pStatement->getOwnConnection(),m_aStatementHandle,columnIndex,nColumnType,m_bWasNull,**this,m_nTextEncoding);
}
OUString OResultSet::getString( sal_Int32 columnIndex )
{
return getValue<OUString>( columnIndex );
}
Time OResultSet::impl_getTime( sal_Int32 columnIndex )
{
TIME_STRUCT aTime = impl_getValue< TIME_STRUCT > ( columnIndex,
m_pStatement->getOwnConnection()->useOldDateFormat() ? SQL_C_TIME : SQL_C_TYPE_TIME );
return Time(0, aTime.second,aTime.minute,aTime.hour, false);
}
Time SAL_CALL OResultSet::getTime( sal_Int32 columnIndex )
{
return getValue<Time>( columnIndex );
}
DateTime OResultSet::impl_getTimestamp( sal_Int32 columnIndex )
{
TIMESTAMP_STRUCT aTime = impl_getValue< TIMESTAMP_STRUCT > ( columnIndex,
m_pStatement->getOwnConnection()->useOldDateFormat() ? SQL_C_TIMESTAMP : SQL_C_TYPE_TIMESTAMP );
return DateTime(aTime.fraction,
aTime.second,
aTime.minute,
aTime.hour,
aTime.day,
aTime.month,
aTime.year,
false);
}
DateTime SAL_CALL OResultSet::getTimestamp( sal_Int32 columnIndex )
{
return getValue<DateTime>( columnIndex );
}
sal_Bool SAL_CALL OResultSet::isBeforeFirst( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
return m_nRowPos == 0;
}
sal_Bool SAL_CALL OResultSet::isAfterLast( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
return m_nRowPos != 0 && m_nCurrentFetchState == SQL_NO_DATA;
}
sal_Bool SAL_CALL OResultSet::isFirst( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
return m_nRowPos == 1;
}
sal_Bool SAL_CALL OResultSet::isLast( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
return m_bEOF && m_nCurrentFetchState != SQL_NO_DATA;
}
void SAL_CALL OResultSet::beforeFirst( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
if(first())
previous();
m_nCurrentFetchState = SQL_SUCCESS;
}
void SAL_CALL OResultSet::afterLast( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
if(last())
next();
m_bEOF = true;
}
void SAL_CALL OResultSet::close( )
{
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
}
dispose();
}
sal_Bool SAL_CALL OResultSet::first( )
{
return moveImpl(IResultSetHelper::FIRST,0);
}
sal_Bool SAL_CALL OResultSet::last( )
{
return moveImpl(IResultSetHelper::LAST,0);
}
sal_Bool SAL_CALL OResultSet::absolute( sal_Int32 row )
{
return moveImpl(IResultSetHelper::ABSOLUTE1,row);
}
sal_Bool SAL_CALL OResultSet::relative( sal_Int32 row )
{
return moveImpl(IResultSetHelper::RELATIVE1,row);
}
sal_Bool SAL_CALL OResultSet::previous( )
{
return moveImpl(IResultSetHelper::PRIOR,0);
}
Reference< XInterface > SAL_CALL OResultSet::getStatement( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
return m_xStatement;
}
sal_Bool SAL_CALL OResultSet::rowDeleted()
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
bool bRet = m_bRowDeleted;
m_bRowDeleted = false;
return bRet;
}
sal_Bool SAL_CALL OResultSet::rowInserted( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
bool bInserted = m_bRowInserted;
m_bRowInserted = false;
return bInserted;
}
sal_Bool SAL_CALL OResultSet::rowUpdated( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
return m_pRowStatusArray[0] == SQL_ROW_UPDATED;
}
sal_Bool SAL_CALL OResultSet::next( )
{
return moveImpl(IResultSetHelper::NEXT,1);
}
sal_Bool SAL_CALL OResultSet::wasNull( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
return m_bWasNull;
}
void SAL_CALL OResultSet::cancel( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
functions().Cancel(m_aStatementHandle);
}
void SAL_CALL OResultSet::clearWarnings( )
{
}
Any SAL_CALL OResultSet::getWarnings( )
{
return Any();
}
void SAL_CALL OResultSet::insertRow( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
SQLLEN nRealLen = 0;
Sequence<sal_Int8> aBookmark(nMaxBookmarkLen);
static_assert(o3tl::make_unsigned(nMaxBookmarkLen) >= sizeof(SQLLEN), "must be larger");
SQLRETURN nRet = functions().BindCol(m_aStatementHandle,
0,
SQL_C_VARBOOKMARK,
aBookmark.getArray(),
nMaxBookmarkLen,
&nRealLen
);
bool bPositionByBookmark = functions().has(ODBC3SQLFunctionId::BulkOperations);
if ( bPositionByBookmark )
{
nRet = functions().BulkOperations( m_aStatementHandle, SQL_ADD );
fillNeededData( nRet );
}
else
{
if(isBeforeFirst())
next(); // must be done
nRet = functions().SetPos( m_aStatementHandle, 1, SQL_ADD, SQL_LOCK_NO_CHANGE );
fillNeededData( nRet );
}
aBookmark.realloc(nRealLen);
SQLRETURN nRet2 = unbind();
OTools::ThrowException(m_pStatement->getOwnConnection(),nRet,m_aStatementHandle,SQL_HANDLE_STMT,*this);
OTools::ThrowException(m_pStatement->getOwnConnection(),nRet2,m_aStatementHandle,SQL_HANDLE_STMT,*this);
if ( bPositionByBookmark )
{
setStmtOption<SQLLEN*, SQL_IS_POINTER>(SQL_ATTR_FETCH_BOOKMARK_PTR, reinterpret_cast<SQLLEN*>(aBookmark.getArray()));
nRet = functions().FetchScroll(m_aStatementHandle,SQL_FETCH_BOOKMARK,0);
}
else
nRet = functions().FetchScroll(m_aStatementHandle,SQL_FETCH_RELATIVE,0); // OJ 06.03.2004
// sometimes we got an error but we are not interested in anymore #106047# OJ
// OTools::ThrowException(m_pStatement->getOwnConnection(),nRet,m_aStatementHandle,SQL_HANDLE_STMT,*this);
if(m_pSkipDeletedSet)
{
if(moveToBookmark(Any(aBookmark)))
{
sal_Int32 nRowPos = getDriverPos();
if ( -1 == m_nRowPos )
{
nRowPos = m_aPosToBookmarks.size() + 1;
}
if ( nRowPos == m_nRowPos )
++nRowPos;
m_nRowPos = nRowPos;
m_pSkipDeletedSet->insertNewPosition(nRowPos);
m_aPosToBookmarks[aBookmark] = nRowPos;
}
}
m_bRowInserted = true;
}
void SAL_CALL OResultSet::updateRow( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
SQLRETURN nRet;
try
{
/* tdf#148367 this block is commented out, because SQLBulkOperations fails
with Access ODBC 64-bit drivers on Windows
bool bPositionByBookmark = functions().has(ODBC3SQLFunctionId::BulkOperations);
if ( bPositionByBookmark )
{
getBookmark();
assert(m_aRow[0].isBound());
Sequence<sal_Int8> aBookmark(m_aRow[0].getSequence());
SQLLEN nRealLen = aBookmark.getLength();
nRet = functions().BindCol(m_aStatementHandle,
0,
SQL_C_VARBOOKMARK,
aBookmark.getArray(),
aBookmark.getLength(),
&nRealLen
);
OTools::ThrowException(m_pStatement->getOwnConnection(),nRet,m_aStatementHandle,SQL_HANDLE_STMT,*this);
nRet = functions().BulkOperations(m_aStatementHandle, SQL_UPDATE_BY_BOOKMARK);
fillNeededData(nRet);
// the driver should not have touched this
// (neither the contents of aBookmark FWIW)
assert(nRealLen == aBookmark.getLength());
}
else */
{
nRet = functions().SetPos(m_aStatementHandle,1,SQL_UPDATE,SQL_LOCK_NO_CHANGE);
fillNeededData(nRet);
}
OTools::ThrowException(m_pStatement->getOwnConnection(),nRet,m_aStatementHandle,SQL_HANDLE_STMT,*this);
// unbind all columns so we can fetch all columns again with SQLGetData
// (and also so that our buffers don't clobber anything, and
// so that a subsequent fetch does not overwrite m_aRow[0])
invalidateCache();
nRet = unbind();
OSL_ENSURE(nRet == SQL_SUCCESS,"ODBC insert could not unbind the columns after success");
}
catch(...)
{
// unbind all columns so that a subsequent fetch does not overwrite m_aRow[0]
nRet = unbind();
OSL_ENSURE(nRet == SQL_SUCCESS,"ODBC insert could not unbind the columns after failure");
throw;
}
}
void SAL_CALL OResultSet::deleteRow( )
{
SQLRETURN nRet = SQL_SUCCESS;
sal_Int32 nPos = getDriverPos();
nRet = functions().SetPos(m_aStatementHandle,1,SQL_DELETE,SQL_LOCK_NO_CHANGE);
OTools::ThrowException(m_pStatement->getOwnConnection(),nRet,m_aStatementHandle,SQL_HANDLE_STMT,*this);
m_bRowDeleted = ( m_pRowStatusArray[0] == SQL_ROW_DELETED );
if ( m_bRowDeleted )
{
TBookmarkPosMap::iterator aIter = std::find_if(m_aPosToBookmarks.begin(), m_aPosToBookmarks.end(),
[&nPos](const TBookmarkPosMap::value_type& rEntry) { return rEntry.second == nPos; });
if (aIter != m_aPosToBookmarks.end())
m_aPosToBookmarks.erase(aIter);
}
if ( m_pSkipDeletedSet )
m_pSkipDeletedSet->deletePosition(nPos);
}
void SAL_CALL OResultSet::cancelRowUpdates( )
{
}
void SAL_CALL OResultSet::moveToInsertRow( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
invalidateCache();
// first unbound all columns
OSL_VERIFY( unbind() == SQL_SUCCESS );
// SQLRETURN nRet = functions().SetStmtAttr(m_aStatementHandle,SQL_ATTR_ROW_ARRAY_SIZE ,(SQLPOINTER)1,SQL_IS_INTEGER);
}
void SAL_CALL OResultSet::moveToCurrentRow( )
{
invalidateCache();
}
void OResultSet::updateValue(sal_Int32 columnIndex, SQLSMALLINT _nType, void const * _pValue)
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
SQLSMALLINT fCType, dummy;
OTools::getBindTypes(m_pStatement->getOwnConnection()->useOldDateFormat(), _nType, fCType,
dummy);
SQLLEN* const pLen = &m_aLengthVector[columnIndex];
*pLen = 0;
std::unique_ptr<BindData> bindData;
void* pData = nullptr;
if (columnIndex != 0 && !_pValue)
{
bindData = std::make_unique<NullBindData>();
}
else
{
assert(_pValue);
switch (_nType)
{
case SQL_CHAR:
case SQL_VARCHAR:
case SQL_WCHAR:
case SQL_WVARCHAR:
if (fCType == SQL_C_CHAR)
bindData = std::make_unique<CharsBindData<SQLChars>>(_pValue, m_nTextEncoding);
else
bindData = std::make_unique<CharsBindData<SQLWChars>>(_pValue);
break;
case SQL_DECIMAL:
case SQL_NUMERIC:
if (fCType == SQL_C_CHAR)
bindData = std::make_unique<CharsBindData<SQLChars>>(
OString::number(*static_cast<const double*>(_pValue)));
else
bindData = std::make_unique<CharsBindData<SQLWChars>>(
OUString::number(*static_cast<const double*>(_pValue)));
break;
case SQL_BIT:
case SQL_TINYINT:
bindData = std::make_unique<SimpleBindData<sal_Int8>>(_pValue);
break;
case SQL_SMALLINT:
bindData = std::make_unique<SimpleBindData<sal_Int16>>(_pValue);
break;
case SQL_INTEGER:
bindData = std::make_unique<SimpleBindData<sal_Int32>>(_pValue);
break;
case SQL_BIGINT:
bindData = std::make_unique<SimpleBindData<sal_Int64>>(_pValue);
break;
case SQL_FLOAT:
bindData = std::make_unique<SimpleBindData<float>>(_pValue);
break;
case SQL_REAL:
case SQL_DOUBLE:
bindData = std::make_unique<SimpleBindData<double>>(_pValue);
break;
case SQL_BINARY:
case SQL_VARBINARY:
bindData = std::make_unique<BinaryBindData>(_pValue);
break;
case SQL_LONGVARBINARY:
{
/* see https://msdn.microsoft.com/en-us/library/ms716238%28v=vs.85%29.aspx
* for an explanation of that apparently weird cast */
pData = reinterpret_cast<void*>(static_cast<sal_uIntPtr>(columnIndex));
sal_Int32 nLen
= static_cast<const css::uno::Sequence<sal_Int8>*>(_pValue)->getLength();
*pLen = SQL_LEN_DATA_AT_EXEC(nLen);
}
break;
case SQL_LONGVARCHAR:
case SQL_WLONGVARCHAR:
{
/* see https://msdn.microsoft.com/en-us/library/ms716238%28v=vs.85%29.aspx
* for an explanation of that apparently weird cast */
pData = reinterpret_cast<void*>(static_cast<sal_uIntPtr>(columnIndex));
sal_Int32 nLen = static_cast<const OUString*>(_pValue)->getLength();
*pLen = SQL_LEN_DATA_AT_EXEC(nLen);
}
break;
case SQL_DATE:
bindData = std::make_unique<SimpleBindData<DATE_STRUCT>>(_pValue);
break;
case SQL_TIME:
bindData = std::make_unique<SimpleBindData<TIME_STRUCT>>(_pValue);
break;
case SQL_TIMESTAMP:
bindData = std::make_unique<SimpleBindData<TIMESTAMP_STRUCT>>(_pValue);
break;
}
}
if (bindData)
{
pData = bindData->data();
*pLen = bindData->len();
m_aBindVector.push_back(std::move(bindData));
}
SQLRETURN nRetcode
= functions().BindCol(m_aStatementHandle, columnIndex, fCType, pData, 0, pLen);
OTools::ThrowException(m_pStatement->getOwnConnection(), nRetcode, m_aStatementHandle,
SQL_HANDLE_STMT, **this);
}
void SAL_CALL OResultSet::updateNull( sal_Int32 columnIndex )
{
updateValue(columnIndex, SQL_CHAR, nullptr);
}
void SAL_CALL OResultSet::updateBoolean( sal_Int32 columnIndex, sal_Bool x )
{
updateValue(columnIndex,SQL_BIT,&x);
}
void SAL_CALL OResultSet::updateByte( sal_Int32 columnIndex, sal_Int8 x )
{
updateValue(columnIndex,SQL_CHAR,&x);
}
void SAL_CALL OResultSet::updateShort( sal_Int32 columnIndex, sal_Int16 x )
{
updateValue(columnIndex,SQL_TINYINT,&x);
}
void SAL_CALL OResultSet::updateInt( sal_Int32 columnIndex, sal_Int32 x )
{
updateValue(columnIndex,SQL_INTEGER,&x);
}
void SAL_CALL OResultSet::updateLong( sal_Int32 /*columnIndex*/, sal_Int64 /*x*/ )
{
::dbtools::throwFunctionNotSupportedSQLException( u"XRowUpdate::updateLong"_ustr, *this );
}
void SAL_CALL OResultSet::updateFloat( sal_Int32 columnIndex, float x )
{
updateValue(columnIndex,SQL_REAL,&x);
}
void SAL_CALL OResultSet::updateDouble( sal_Int32 columnIndex, double x )
{
updateValue(columnIndex,SQL_DOUBLE,&x);
}
void SAL_CALL OResultSet::updateString( sal_Int32 columnIndex, const OUString& x )
{
sal_Int32 nType = m_aRow[columnIndex].getTypeKind();
SQLSMALLINT nOdbcType = OTools::jdbcTypeToOdbc(nType);
m_aRow[columnIndex] = x;
m_aRow[columnIndex].setTypeKind(nType); // OJ: otherwise longvarchar will be recognized by fillNeededData
m_aRow[columnIndex].setBound(true);
updateValue(columnIndex,nOdbcType, &x);
}
void SAL_CALL OResultSet::updateBytes( sal_Int32 columnIndex, const Sequence< sal_Int8 >& x )
{
sal_Int32 nType = m_aRow[columnIndex].getTypeKind();
SQLSMALLINT nOdbcType = OTools::jdbcTypeToOdbc(nType);
m_aRow[columnIndex] = x;
m_aRow[columnIndex].setTypeKind(nType); // OJ: otherwise longvarbinary will be recognized by fillNeededData
m_aRow[columnIndex].setBound(true);
updateValue(columnIndex,nOdbcType, &x);
}
void SAL_CALL OResultSet::updateDate( sal_Int32 columnIndex, const Date& x )
{
DATE_STRUCT aVal = OTools::DateToOdbcDate(x);
updateValue(columnIndex,SQL_DATE,&aVal);
}
void SAL_CALL OResultSet::updateTime( sal_Int32 columnIndex, const css::util::Time& x )
{
TIME_STRUCT aVal = OTools::TimeToOdbcTime(x);
updateValue(columnIndex,SQL_TIME,&aVal);
}
void SAL_CALL OResultSet::updateTimestamp( sal_Int32 columnIndex, const DateTime& x )
{
TIMESTAMP_STRUCT aVal = OTools::DateTimeToTimestamp(x);
updateValue(columnIndex,SQL_TIMESTAMP,&aVal);
}
void SAL_CALL OResultSet::updateBinaryStream( sal_Int32 columnIndex, const Reference< XInputStream >& x, sal_Int32 length )
{
if(!x.is())
::dbtools::throwFunctionSequenceException(*this);
Sequence<sal_Int8> aSeq;
x->readBytes(aSeq,length);
updateBytes(columnIndex,aSeq);
}
void SAL_CALL OResultSet::updateCharacterStream( sal_Int32 columnIndex, const Reference< XInputStream >& x, sal_Int32 length )
{
updateBinaryStream(columnIndex,x,length);
}
void SAL_CALL OResultSet::refreshRow( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
// SQLRETURN nRet = functions().SetPos(m_aStatementHandle,1,SQL_REFRESH,SQL_LOCK_NO_CHANGE);
m_nCurrentFetchState = functions().FetchScroll(m_aStatementHandle,SQL_FETCH_RELATIVE,0);
OTools::ThrowException(m_pStatement->getOwnConnection(),m_nCurrentFetchState,m_aStatementHandle,SQL_HANDLE_STMT,*this);
}
void SAL_CALL OResultSet::updateObject( sal_Int32 columnIndex, const Any& x )
{
if (!::dbtools::implUpdateObject(this, columnIndex, x))
throw SQLException();
}
void SAL_CALL OResultSet::updateNumericObject( sal_Int32 columnIndex, const Any& x, sal_Int32 /*scale*/ )
{
if (!::dbtools::implUpdateObject(this, columnIndex, x))
throw SQLException();
}
// XRowLocate
Any SAL_CALL OResultSet::getBookmark( )
{
fillColumn(0);
if(m_aRow[0].isNull())
throw SQLException();
return m_aRow[0].makeAny();
}
Sequence<sal_Int8> OResultSet::impl_getBookmark( )
{
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
TBookmarkPosMap::const_iterator aFind = std::find_if(m_aPosToBookmarks.begin(),m_aPosToBookmarks.end(),
[this] (const TBookmarkPosMap::value_type& bookmarkPos) {
return bookmarkPos.second == m_nRowPos;
});
if ( aFind == m_aPosToBookmarks.end() )
{
if ( m_nUseBookmarks == ODBC_SQL_NOT_DEFINED )
{
m_nUseBookmarks = getStmtOption<SQLULEN, SQL_IS_UINTEGER>(SQL_ATTR_USE_BOOKMARKS);
}
if(m_nUseBookmarks == SQL_UB_OFF)
throw SQLException();
Sequence<sal_Int8> bookmark = OTools::getBytesValue(m_pStatement->getOwnConnection(),m_aStatementHandle,0,SQL_C_VARBOOKMARK,m_bWasNull,**this);
m_aPosToBookmarks[bookmark] = m_nRowPos;
OSL_ENSURE(bookmark.hasElements(),"Invalid bookmark from length 0!");
return bookmark;
}
else
{
return aFind->first;
}
}
sal_Bool SAL_CALL OResultSet::moveToBookmark( const Any& bookmark )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
invalidateCache();
Sequence<sal_Int8> aBookmark;
bookmark >>= aBookmark;
OSL_ENSURE(aBookmark.hasElements(),"Invalid bookmark from length 0!");
if(aBookmark.hasElements())
{
SQLRETURN nReturn = setStmtOption<SQLLEN*, SQL_IS_POINTER>(SQL_ATTR_FETCH_BOOKMARK_PTR, reinterpret_cast<SQLLEN*>(aBookmark.getArray()));
if ( SQL_INVALID_HANDLE != nReturn && SQL_ERROR != nReturn )
{
m_nCurrentFetchState = functions().FetchScroll(m_aStatementHandle,SQL_FETCH_BOOKMARK,0);
OTools::ThrowException(m_pStatement->getOwnConnection(),m_nCurrentFetchState,m_aStatementHandle,SQL_HANDLE_STMT,*this);
TBookmarkPosMap::const_iterator aFind = m_aPosToBookmarks.find(aBookmark);
if(aFind != m_aPosToBookmarks.end())
m_nRowPos = aFind->second;
else
m_nRowPos = -1;
return m_nCurrentFetchState == SQL_SUCCESS || m_nCurrentFetchState == SQL_SUCCESS_WITH_INFO;
}
}
return false;
}
sal_Bool SAL_CALL OResultSet::moveRelativeToBookmark( const Any& bookmark, sal_Int32 rows )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
invalidateCache();
Sequence<sal_Int8> aBookmark;
bookmark >>= aBookmark;
setStmtOption<SQLLEN*, SQL_IS_POINTER>(SQL_ATTR_FETCH_BOOKMARK_PTR, reinterpret_cast<SQLLEN*>(aBookmark.getArray()));
m_nCurrentFetchState = functions().FetchScroll(m_aStatementHandle,SQL_FETCH_BOOKMARK,rows);
OTools::ThrowException(m_pStatement->getOwnConnection(),m_nCurrentFetchState,m_aStatementHandle,SQL_HANDLE_STMT,*this);
return m_nCurrentFetchState == SQL_SUCCESS || m_nCurrentFetchState == SQL_SUCCESS_WITH_INFO;
}
sal_Int32 SAL_CALL OResultSet::compareBookmarks( const Any& lhs, const Any& rhs )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
return (lhs == rhs) ? CompareBookmark::EQUAL : CompareBookmark::NOT_EQUAL;
}
sal_Bool SAL_CALL OResultSet::hasOrderedBookmarks( )
{
return false;
}
sal_Int32 SAL_CALL OResultSet::hashBookmark( const Any& /*bookmark*/ )
{
::dbtools::throwFunctionNotSupportedSQLException( u"XRowLocate::hashBookmark"_ustr, *this );
}
// XDeleteRows
Sequence< sal_Int32 > SAL_CALL OResultSet::deleteRows( const Sequence< Any >& rows )
{
Sequence< sal_Int32 > aRet(rows.getLength());
sal_Int32 *pRet = aRet.getArray();
const Any *pBegin = rows.getConstArray();
const Any *pEnd = pBegin + rows.getLength();
for(;pBegin != pEnd;++pBegin,++pRet)
{
try
{
if(moveToBookmark(*pBegin))
{
deleteRow();
*pRet = 1;
}
}
catch(const SQLException&)
{
*pRet = 0;
}
}
return aRet;
}
template < typename T, SQLINTEGER BufferLength > T OResultSet::getStmtOption (SQLINTEGER fOption) const
{
T result (0);
OSL_ENSURE(m_aStatementHandle,"StatementHandle is null!");
functions().GetStmtAttr(m_aStatementHandle, fOption, &result, BufferLength, nullptr);
return result;
}
template < typename T, SQLINTEGER BufferLength > SQLRETURN OResultSet::setStmtOption (SQLINTEGER fOption, T value) const
{
OSL_ENSURE(m_aStatementHandle,"StatementHandle is null!");
SQLPOINTER sv = reinterpret_cast<SQLPOINTER>(value);
return functions().SetStmtAttr(m_aStatementHandle, fOption, sv, BufferLength);
}
sal_Int32 OResultSet::getResultSetConcurrency() const
{
sal_uInt32 nValue = getStmtOption<SQLULEN, SQL_IS_UINTEGER>(SQL_ATTR_CONCURRENCY);
if(SQL_CONCUR_READ_ONLY == nValue)
nValue = ResultSetConcurrency::READ_ONLY;
else
nValue = ResultSetConcurrency::UPDATABLE;
return nValue;
}
sal_Int32 OResultSet::getResultSetType() const
{
sal_uInt32 nValue = getStmtOption<SQLULEN, SQL_IS_UINTEGER>(SQL_ATTR_CURSOR_SENSITIVITY);
if(SQL_SENSITIVE == nValue)
nValue = ResultSetType::SCROLL_SENSITIVE;
else if(SQL_INSENSITIVE == nValue)
nValue = ResultSetType::SCROLL_INSENSITIVE;
else
{
SQLULEN nCurType = getStmtOption<SQLULEN, SQL_IS_UINTEGER>(SQL_ATTR_CURSOR_TYPE);
if(SQL_CURSOR_KEYSET_DRIVEN == nCurType)
nValue = ResultSetType::SCROLL_SENSITIVE;
else if(SQL_CURSOR_STATIC == nCurType)
nValue = ResultSetType::SCROLL_INSENSITIVE;
else if(SQL_CURSOR_FORWARD_ONLY == nCurType)
nValue = ResultSetType::FORWARD_ONLY;
else if(SQL_CURSOR_DYNAMIC == nCurType)
nValue = ResultSetType::SCROLL_SENSITIVE;
}
return nValue;
}
sal_Int32 OResultSet::getFetchSize() const
{
return getStmtOption<SQLULEN, SQL_IS_UINTEGER>(SQL_ATTR_ROW_ARRAY_SIZE);
}
OUString OResultSet::getCursorName() const
{
SQLSMALLINT nRealLen = 0;
if (bUseWChar && functions().has(ODBC3SQLFunctionId::GetCursorNameW))
{
SQLWCHAR pName[258]{};
functions().GetCursorNameW(m_aStatementHandle, pName, 256, &nRealLen);
return toUString(pName, nRealLen);
}
else
{
SQLCHAR pName[258]{};
functions().GetCursorName(m_aStatementHandle, pName, 256, &nRealLen);
return toUString(pName);
}
}
bool OResultSet::isBookmarkable() const
{
if(!m_aConnectionHandle)
return false;
const SQLULEN nCursorType = getStmtOption<SQLULEN, SQL_IS_UINTEGER>(SQL_ATTR_CURSOR_TYPE);
sal_Int32 nAttr = 0;
try
{
switch(nCursorType)
{
case SQL_CURSOR_FORWARD_ONLY:
return false;
case SQL_CURSOR_STATIC:
OTools::GetInfo(m_pStatement->getOwnConnection(),m_aConnectionHandle,SQL_STATIC_CURSOR_ATTRIBUTES1,nAttr,nullptr);
break;
case SQL_CURSOR_KEYSET_DRIVEN:
OTools::GetInfo(m_pStatement->getOwnConnection(),m_aConnectionHandle,SQL_KEYSET_CURSOR_ATTRIBUTES1,nAttr,nullptr);
break;
case SQL_CURSOR_DYNAMIC:
OTools::GetInfo(m_pStatement->getOwnConnection(),m_aConnectionHandle,SQL_DYNAMIC_CURSOR_ATTRIBUTES1,nAttr,nullptr);
break;
}
}
catch(const Exception&)
{
return false;
}
if ( m_nUseBookmarks == ODBC_SQL_NOT_DEFINED )
{
m_nUseBookmarks = getStmtOption<SQLULEN, SQL_IS_UINTEGER>(SQL_ATTR_USE_BOOKMARKS);
}
return (m_nUseBookmarks != SQL_UB_OFF) && (nAttr & SQL_CA1_BOOKMARK) == SQL_CA1_BOOKMARK;
}
void OResultSet::setFetchDirection(sal_Int32 /*_par0*/)
{
::dbtools::throwFunctionNotSupportedSQLException( u"setFetchDirection"_ustr, *this );
}
void OResultSet::setFetchSize(sal_Int32 _par0)
{
OSL_ENSURE(_par0>0,"Illegal fetch size!");
if ( _par0 != 1 )
{
throw css::beans::PropertyVetoException(u"SDBC/ODBC layer not prepared for fetchSize > 1"_ustr, *this);
}
setStmtOption<SQLULEN, SQL_IS_UINTEGER>(SQL_ATTR_ROW_ARRAY_SIZE, _par0);
m_pRowStatusArray.reset( new SQLUSMALLINT[_par0] );
setStmtOption<SQLUSMALLINT*, SQL_IS_POINTER>(SQL_ATTR_ROW_STATUS_PTR, m_pRowStatusArray.get());
}
IPropertyArrayHelper* OResultSet::createArrayHelper( ) const
{
return new OPropertyArrayHelper
{
{
{
::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_CURSORNAME),
PROPERTY_ID_CURSORNAME,
cppu::UnoType<OUString>::get(),
PropertyAttribute::READONLY
},
{
::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_FETCHDIRECTION),
PROPERTY_ID_FETCHDIRECTION,
cppu::UnoType<sal_Int32>::get(),
0
},
{
::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_FETCHSIZE),
PROPERTY_ID_FETCHSIZE,
cppu::UnoType<sal_Int32>::get(),
0
},
{
::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISBOOKMARKABLE),
PROPERTY_ID_ISBOOKMARKABLE,
cppu::UnoType<bool>::get(),
PropertyAttribute::READONLY
},
{
::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_RESULTSETCONCURRENCY),
PROPERTY_ID_RESULTSETCONCURRENCY,
cppu::UnoType<sal_Int32>::get(),
PropertyAttribute::READONLY
},
{
::connectivity::OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_RESULTSETTYPE),
PROPERTY_ID_RESULTSETTYPE,
cppu::UnoType<sal_Int32>::get(),
PropertyAttribute::READONLY
}
}
};
}
IPropertyArrayHelper & OResultSet::getInfoHelper()
{
return *getArrayHelper();
}
sal_Bool OResultSet::convertFastPropertyValue(
Any & rConvertedValue,
Any & rOldValue,
sal_Int32 nHandle,
const Any& rValue )
{
switch(nHandle)
{
case PROPERTY_ID_ISBOOKMARKABLE:
case PROPERTY_ID_CURSORNAME:
case PROPERTY_ID_RESULTSETCONCURRENCY:
case PROPERTY_ID_RESULTSETTYPE:
throw css::lang::IllegalArgumentException();
case PROPERTY_ID_FETCHDIRECTION:
return ::comphelper::tryPropertyValue(rConvertedValue, rOldValue, rValue, getFetchDirection());
case PROPERTY_ID_FETCHSIZE:
return ::comphelper::tryPropertyValue(rConvertedValue, rOldValue, rValue, getFetchSize());
default:
;
}
return false;
}
void OResultSet::setFastPropertyValue_NoBroadcast(
sal_Int32 nHandle,
const Any& rValue
)
{
switch(nHandle)
{
case PROPERTY_ID_ISBOOKMARKABLE:
case PROPERTY_ID_CURSORNAME:
case PROPERTY_ID_RESULTSETCONCURRENCY:
case PROPERTY_ID_RESULTSETTYPE:
throw Exception("cannot set prop " + OUString::number(nHandle), nullptr);
case PROPERTY_ID_FETCHDIRECTION:
setFetchDirection(getINT32(rValue));
break;
case PROPERTY_ID_FETCHSIZE:
setFetchSize(getINT32(rValue));
break;
default:
;
}
}
void OResultSet::getFastPropertyValue(
Any& rValue,
sal_Int32 nHandle
) const
{
switch(nHandle)
{
case PROPERTY_ID_ISBOOKMARKABLE:
rValue <<= isBookmarkable();
break;
case PROPERTY_ID_CURSORNAME:
rValue <<= getCursorName();
break;
case PROPERTY_ID_RESULTSETCONCURRENCY:
rValue <<= getResultSetConcurrency();
break;
case PROPERTY_ID_RESULTSETTYPE:
rValue <<= getResultSetType();
break;
case PROPERTY_ID_FETCHDIRECTION:
rValue <<= getFetchDirection();
break;
case PROPERTY_ID_FETCHSIZE:
rValue <<= getFetchSize();
break;
}
}
void OResultSet::fillColumn(const sal_Int32 _nColumn)
{
ensureCacheForColumn(_nColumn);
if (m_aRow[_nColumn].isBound())
return;
sal_Int32 curCol;
if(m_bFetchDataInOrder)
{
// m_aRow necessarily has a prefix of bound values, then all unbound values
// EXCEPT for column 0
// so use binary search to find the earliest unbound value before or at _nColumn
sal_Int32 lower=0;
sal_Int32 upper=_nColumn;
while (lower < upper)
{
const sal_Int32 middle=(upper-lower)/2 + lower;
if(m_aRow[middle].isBound())
{
lower=middle+1;
}
else
{
upper=middle;
}
}
curCol = upper;
}
else
{
curCol = _nColumn;
}
TDataRow::iterator pColumn = m_aRow.begin() + curCol;
const TDataRow::const_iterator pColumnEnd = m_aRow.begin() + _nColumn + 1;
if(curCol==0)
{
try
{
*pColumn=impl_getBookmark();
}
catch (SQLException &)
{
pColumn->setNull();
}
pColumn->setBound(true);
++curCol;
++pColumn;
}
for (; pColumn != pColumnEnd; ++curCol, ++pColumn)
{
const sal_Int32 nType = pColumn->getTypeKind();
switch (nType)
{
case DataType::CHAR:
case DataType::VARCHAR:
case DataType::DECIMAL:
case DataType::NUMERIC:
case DataType::LONGVARCHAR:
case DataType::CLOB:
*pColumn=impl_getString(curCol);
break;
case DataType::FLOAT:
*pColumn = impl_getValue<float>(curCol, SQL_C_FLOAT);
break;
case DataType::REAL:
case DataType::DOUBLE:
*pColumn = impl_getValue<double>(curCol, SQL_C_DOUBLE);
break;
case DataType::BINARY:
case DataType::VARBINARY:
case DataType::LONGVARBINARY:
case DataType::BLOB:
*pColumn = impl_getBytes(curCol);
break;
case DataType::DATE:
*pColumn = impl_getDate(curCol);
break;
case DataType::TIME:
*pColumn = impl_getTime(curCol);
break;
case DataType::TIMESTAMP:
*pColumn = impl_getTimestamp(curCol);
break;
case DataType::BIT:
*pColumn = impl_getBoolean(curCol);
break;
case DataType::TINYINT:
*pColumn = impl_getValue<sal_Int8>(curCol, SQL_C_TINYINT);
break;
case DataType::SMALLINT:
*pColumn = impl_getValue<sal_Int16>(curCol, SQL_C_SHORT);
break;
case DataType::INTEGER:
*pColumn = impl_getValue<sal_Int32>(curCol, SQL_C_LONG);
break;
case DataType::BIGINT:
*pColumn = impl_getLong(curCol);
break;
default:
SAL_WARN( "connectivity.odbc","Unknown DataType");
}
if ( m_bWasNull )
pColumn->setNull();
pColumn->setBound(true);
if(nType != pColumn->getTypeKind())
{
pColumn->setTypeKind(nType);
}
}
}
void SAL_CALL OResultSet::acquire() noexcept
{
OResultSet_BASE::acquire();
}
void SAL_CALL OResultSet::release() noexcept
{
OResultSet_BASE::release();
}
css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL OResultSet::getPropertySetInfo( )
{
return ::cppu::OPropertySetHelper::createPropertySetInfo(getInfoHelper());
}
bool OResultSet::move(IResultSetHelper::Movement _eCursorPosition, sal_Int32 _nOffset, bool /*_bRetrieveData*/)
{
SQLSMALLINT nFetchOrientation = SQL_FETCH_NEXT;
switch(_eCursorPosition)
{
case IResultSetHelper::NEXT:
nFetchOrientation = SQL_FETCH_NEXT;
break;
case IResultSetHelper::PRIOR:
nFetchOrientation = SQL_FETCH_PRIOR;
break;
case IResultSetHelper::FIRST:
nFetchOrientation = SQL_FETCH_FIRST;
break;
case IResultSetHelper::LAST:
nFetchOrientation = SQL_FETCH_LAST;
break;
case IResultSetHelper::RELATIVE1:
nFetchOrientation = SQL_FETCH_RELATIVE;
break;
case IResultSetHelper::ABSOLUTE1:
nFetchOrientation = SQL_FETCH_ABSOLUTE;
break;
case IResultSetHelper::BOOKMARK: // special case here because we are only called with position numbers
{
TBookmarkPosMap::const_iterator aIter = std::find_if(m_aPosToBookmarks.begin(), m_aPosToBookmarks.end(),
[&_nOffset](const TBookmarkPosMap::value_type& rEntry) { return rEntry.second == _nOffset; });
if (aIter != m_aPosToBookmarks.end())
return moveToBookmark(Any(aIter->first));
SAL_WARN( "connectivity.odbc", "Bookmark not found!");
}
return false;
}
m_bEOF = false;
invalidateCache();
SQLRETURN nOldFetchStatus = m_nCurrentFetchState;
// TODO FIXME: both of these will misbehave for
// _eCursorPosition == IResultSetHelper::NEXT/PREVIOUS
// when fetchSize > 1
if ( !m_bUseFetchScroll && _eCursorPosition == IResultSetHelper::NEXT )
m_nCurrentFetchState = functions().Fetch(m_aStatementHandle);
else
m_nCurrentFetchState = functions().FetchScroll(m_aStatementHandle,nFetchOrientation,_nOffset);
SAL_INFO(
"connectivity.odbc",
"move(" << nFetchOrientation << "," << _nOffset << "), FetchState = "
<< m_nCurrentFetchState);
OTools::ThrowException(m_pStatement->getOwnConnection(),m_nCurrentFetchState,m_aStatementHandle,SQL_HANDLE_STMT,*this);
const bool bSuccess = m_nCurrentFetchState == SQL_SUCCESS || m_nCurrentFetchState == SQL_SUCCESS_WITH_INFO;
if ( bSuccess )
{
switch(_eCursorPosition)
{
case IResultSetHelper::NEXT:
++m_nRowPos;
break;
case IResultSetHelper::PRIOR:
--m_nRowPos;
break;
case IResultSetHelper::FIRST:
m_nRowPos = 1;
break;
case IResultSetHelper::LAST:
m_bEOF = true;
break;
case IResultSetHelper::RELATIVE1:
m_nRowPos += _nOffset;
break;
case IResultSetHelper::ABSOLUTE1:
case IResultSetHelper::BOOKMARK: // special case here because we are only called with position numbers
m_nRowPos = _nOffset;
break;
} // switch(_eCursorPosition)
if ( m_nUseBookmarks == ODBC_SQL_NOT_DEFINED )
{
m_nUseBookmarks = getStmtOption<SQLULEN, SQL_IS_UINTEGER>(SQL_ATTR_USE_BOOKMARKS);
}
if ( m_nUseBookmarks == SQL_UB_OFF )
{
m_aRow[0].setNull();
}
else
{
ensureCacheForColumn(0);
Sequence<sal_Int8> bookmark = OTools::getBytesValue(m_pStatement->getOwnConnection(),m_aStatementHandle,0,SQL_C_VARBOOKMARK,m_bWasNull,**this);
m_aPosToBookmarks[bookmark] = m_nRowPos;
OSL_ENSURE(bookmark.hasElements(),"Invalid bookmark from length 0!");
m_aRow[0] = bookmark;
}
m_aRow[0].setBound(true);
}
else if ( IResultSetHelper::PRIOR == _eCursorPosition && m_nCurrentFetchState == SQL_NO_DATA )
// we went beforeFirst
m_nRowPos = 0;
else if(IResultSetHelper::NEXT == _eCursorPosition && m_nCurrentFetchState == SQL_NO_DATA && nOldFetchStatus != SQL_NO_DATA)
// we went afterLast
++m_nRowPos;
return bSuccess;
}
sal_Int32 OResultSet::getDriverPos() const
{
sal_Int32 nValue = getStmtOption<SQLULEN, SQL_IS_UINTEGER>(SQL_ATTR_ROW_NUMBER);
SAL_INFO(
"connectivity.odbc",
"RowNum = " << nValue << ", RowPos = " << m_nRowPos);
return nValue ? nValue : m_nRowPos;
}
bool OResultSet::isRowDeleted() const
{
return m_pRowStatusArray[0] == SQL_ROW_DELETED;
}
bool OResultSet::moveImpl(IResultSetHelper::Movement _eCursorPosition, sal_Int32 _nOffset)
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OResultSet_BASE::rBHelper.bDisposed);
return (m_pSkipDeletedSet != nullptr)
? m_pSkipDeletedSet->skipDeleted(_eCursorPosition,_nOffset,true/*_bRetrieveData*/)
: move(_eCursorPosition,_nOffset,true/*_bRetrieveData*/);
}
void OResultSet::fillNeededData(SQLRETURN _nRet)
{
SQLRETURN nRet = _nRet;
if( nRet != SQL_NEED_DATA)
return;
void* pColumnIndex = nullptr;
nRet = functions().ParamData(m_aStatementHandle,&pColumnIndex);
do
{
if (nRet != SQL_SUCCESS && nRet != SQL_SUCCESS_WITH_INFO && nRet != SQL_NEED_DATA)
break;
sal_IntPtr nColumnIndex ( reinterpret_cast<sal_IntPtr>(pColumnIndex));
Sequence< sal_Int8 > aSeq;
switch(m_aRow[nColumnIndex].getTypeKind())
{
case DataType::BINARY:
case DataType::VARBINARY:
case DataType::LONGVARBINARY:
case DataType::BLOB:
aSeq = m_aRow[nColumnIndex].getSequence();
functions().PutData (m_aStatementHandle, aSeq.getArray(), aSeq.getLength());
break;
case SQL_WLONGVARCHAR:
{
SQLWChars data(m_aRow[nColumnIndex].getString());
functions().PutData(m_aStatementHandle, data.get(), data.cb());
break;
}
case DataType::LONGVARCHAR:
case DataType::CLOB:
{
SQLChars data(m_aRow[nColumnIndex].getString(), m_nTextEncoding);
functions().PutData(m_aStatementHandle, data.get(), data.cb());
break;
}
default:
SAL_WARN( "connectivity.odbc", "Not supported at the moment!");
}
nRet = functions().ParamData(m_aStatementHandle,&pColumnIndex);
}
while (nRet == SQL_NEED_DATA);
}
SWORD OResultSet::impl_getColumnType_nothrow(sal_Int32 columnIndex)
{
std::map<sal_Int32,SWORD>::const_iterator aFind = m_aODBCColumnTypes.find(columnIndex);
if ( aFind == m_aODBCColumnTypes.end() )
aFind = m_aODBCColumnTypes.emplace(
columnIndex,
OResultSetMetaData::getColumnODBCType(m_pStatement->getOwnConnection(),m_aStatementHandle,*this,columnIndex)
).first;
return aFind->second;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */