Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1084 insertions, 0 deletions

diff --git a/connectivity/source/drivers/mysqlc/mysqlc_prepared_resultset.cxx b/connectivity/source/drivers/mysqlc/mysqlc_prepared_resultset.cxx
new file mode 100644
index 000000000..8031bfdf2
--- /dev/null
+++ b/connectivity/source/drivers/mysqlc/mysqlc_prepared_resultset.cxx
@@ -0,0 +1,1084 @@
+/* -*- 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 "mysqlc_propertyids.hxx"
+#include "mysqlc_general.hxx"
+#include "mysqlc_prepared_resultset.hxx"
+#include "mysqlc_resultsetmetadata.hxx"
+
+#include <com/sun/star/beans/PropertyAttribute.hpp>
+#include <com/sun/star/sdbc/ResultSetConcurrency.hpp>
+#include <com/sun/star/sdbc/ResultSetType.hpp>
+#include <com/sun/star/sdbc/FetchDirection.hpp>
+#include <com/sun/star/sdbcx/CompareBookmark.hpp>
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/typeprovider.hxx>
+#include <sal/log.hxx>
+
+using namespace rtl;
+
+#include <cstdlib>
+
+using namespace connectivity::mysqlc;
+using namespace connectivity;
+using namespace cppu;
+using namespace com::sun::star;
+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;
+using namespace ::comphelper;
+using ::osl::MutexGuard;
+
+#include <typeindex>
+
+namespace
+{
+std::type_index getTypeFromMysqlType(enum_field_types type)
+{
+    switch (type)
+    {
+        case MYSQL_TYPE_TINY:
+            return std::type_index(typeid(sal_Int8));
+        case MYSQL_TYPE_SHORT:
+            return std::type_index(typeid(sal_Int16));
+        case MYSQL_TYPE_LONG:
+        case MYSQL_TYPE_INT24:
+            return std::type_index(typeid(sal_Int32));
+        case MYSQL_TYPE_LONGLONG:
+            return std::type_index(typeid(sal_Int64));
+        case MYSQL_TYPE_FLOAT:
+            return std::type_index(typeid(float));
+        case MYSQL_TYPE_DOUBLE:
+            return std::type_index(typeid(double));
+        case MYSQL_TYPE_TIMESTAMP:
+        case MYSQL_TYPE_DATETIME:
+            return std::type_index(typeid(DateTime));
+        case MYSQL_TYPE_DATE:
+            return std::type_index(typeid(Date));
+        case MYSQL_TYPE_TIME:
+            return std::type_index(typeid(Time));
+        case MYSQL_TYPE_STRING:
+        case MYSQL_TYPE_VAR_STRING:
+        case MYSQL_TYPE_DECIMAL:
+        case MYSQL_TYPE_NEWDECIMAL:
+            return std::type_index(typeid(OUString));
+        case MYSQL_TYPE_BLOB:
+        case MYSQL_TYPE_YEAR:
+        case MYSQL_TYPE_BIT:
+        case MYSQL_TYPE_SET:
+        case MYSQL_TYPE_ENUM:
+        case MYSQL_TYPE_GEOMETRY:
+        case MYSQL_TYPE_NULL:
+        default:
+            return std::type_index(typeid(nullptr));
+    }
+}
+}
+
+bool OPreparedResultSet::fetchResult()
+{
+    // allocate array if it does not exist
+    if (m_aData == nullptr)
+    {
+        m_aData.reset(new MYSQL_BIND[m_nColumnCount]);
+        memset(m_aData.get(), 0, m_nColumnCount * sizeof(MYSQL_BIND));
+        m_aMetaData.reset(new BindMetaData[m_nColumnCount]);
+    }
+    for (sal_Int32 i = 0; i < m_nColumnCount; ++i)
+    {
+        m_aMetaData[i].is_null = false;
+        m_aMetaData[i].length = 0l;
+        m_aMetaData[i].error = false;
+
+        m_aData[i].is_null = &m_aMetaData[i].is_null;
+        m_aData[i].buffer_length = m_aFields[i].type == MYSQL_TYPE_BLOB ? 0 : m_aFields[i].length;
+        m_aData[i].length = &m_aMetaData[i].length;
+        m_aData[i].error = &m_aMetaData[i].error;
+        m_aData[i].buffer = nullptr;
+        m_aData[i].buffer_type = m_aFields[i].type;
+
+        // allocates memory, if it is a fixed size type. If not then nullptr
+        mysqlc_sdbc_driver::allocateSqlVar(&m_aData[i].buffer, m_aData[i].buffer_type,
+                                           m_aFields[i].length);
+    }
+    mysql_stmt_bind_result(m_pStmt, m_aData.get());
+    int failure = mysql_stmt_fetch(m_pStmt);
+
+    for (sal_Int32 i = 0; i < m_nColumnCount; ++i)
+    {
+        if (*m_aData[i].error)
+        {
+            // expected if we have a BLOB, as buffer_length is set to 0. We want to
+            // fetch it piece by piece
+            // see https://bugs.mysql.com/file.php?id=12361&bug_id=33086
+            if (m_aData[i].buffer == nullptr)
+            {
+                m_aData[i].buffer_length = *m_aData[i].length;
+                m_aData[i].buffer = malloc(*m_aData[i].length);
+                mysql_stmt_fetch_column(m_pStmt, &m_aData[i], i, 0);
+            }
+        }
+    }
+
+    if (failure == 1)
+    {
+        MYSQL* pMysql = m_rConnection.getMysqlConnection();
+        mysqlc_sdbc_driver::throwSQLExceptionWithMsg(mysql_error(pMysql), mysql_sqlstate(pMysql),
+                                                     mysql_errno(pMysql), *this, m_encoding);
+    }
+    else if (failure == MYSQL_NO_DATA)
+        return false;
+    return true;
+}
+
+OUString SAL_CALL OPreparedResultSet::getImplementationName()
+{
+    return "com.sun.star.sdbcx.mysqlc.ResultSet";
+}
+
+uno::Sequence<OUString> SAL_CALL OPreparedResultSet::getSupportedServiceNames()
+{
+    return { "com.sun.star.sdbc.ResultSet", "com.sun.star.sdbcx.ResultSet" };
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::supportsService(const OUString& _rServiceName)
+{
+    return cppu::supportsService(this, _rServiceName);
+}
+OPreparedResultSet::OPreparedResultSet(OConnection& rConn, OPreparedStatement* pStmt,
+                                       MYSQL_STMT* pMyStmt)
+    : OPreparedResultSet_BASE(m_aMutex)
+    , OPropertySetHelper(OPreparedResultSet_BASE::rBHelper)
+    , m_rConnection(rConn)
+    , m_aStatement(static_cast<OWeakObject*>(pStmt))
+    , m_pStmt(pMyStmt)
+    , m_encoding(rConn.getConnectionEncoding())
+    , m_nColumnCount(mysql_stmt_field_count(pMyStmt))
+{
+    m_pResult = mysql_stmt_result_metadata(m_pStmt);
+    if (m_pResult != nullptr)
+        mysql_stmt_store_result(m_pStmt);
+    m_aFields = mysql_fetch_fields(m_pResult);
+    m_nRowCount = mysql_stmt_num_rows(pMyStmt);
+}
+
+void OPreparedResultSet::disposing()
+{
+    OPropertySetHelper::disposing();
+
+    MutexGuard aGuard(m_aMutex);
+
+    m_aStatement = nullptr;
+    m_xMetaData = nullptr;
+}
+
+Any SAL_CALL OPreparedResultSet::queryInterface(const Type& rType)
+{
+    Any aRet = OPropertySetHelper::queryInterface(rType);
+    if (!aRet.hasValue())
+    {
+        aRet = OPreparedResultSet_BASE::queryInterface(rType);
+    }
+    return aRet;
+}
+
+uno::Sequence<Type> SAL_CALL OPreparedResultSet::getTypes()
+{
+    OTypeCollection aTypes(cppu::UnoType<XMultiPropertySet>::get(),
+                           cppu::UnoType<XFastPropertySet>::get(),
+                           cppu::UnoType<XPropertySet>::get());
+
+    return concatSequences(aTypes.getTypes(), OPreparedResultSet_BASE::getTypes());
+}
+
+sal_Int32 SAL_CALL OPreparedResultSet::findColumn(const OUString& columnName)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    MYSQL_FIELD* pFields = mysql_fetch_fields(m_pResult);
+    for (sal_Int32 i = 0; i < m_nColumnCount; ++i)
+    {
+        if (columnName.equalsIgnoreAsciiCaseAscii(pFields[i].name))
+            return i + 1; // sdbc indexes from 1
+    }
+
+    throw SQLException("The column name '" + columnName + "' is not valid.", *this, "42S22", 0,
+                       Any());
+}
+
+template <typename T> T OPreparedResultSet::safelyRetrieveValue(sal_Int32 nColumnIndex)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(nColumnIndex);
+    if (*m_aData[nColumnIndex - 1].is_null)
+    {
+        m_bWasNull = true;
+        return T();
+    }
+    m_bWasNull = false;
+
+    return retrieveValue<T>(nColumnIndex);
+}
+
+template <typename T> T OPreparedResultSet::retrieveValue(sal_Int32 nColumnIndex)
+{
+    if (getTypeFromMysqlType(m_aFields[nColumnIndex - 1].type) == std::type_index(typeid(T)))
+        return *static_cast<T*>(m_aData[nColumnIndex - 1].buffer);
+    else
+        return getRowSetValue(nColumnIndex);
+}
+
+template <> uno::Sequence<sal_Int8> OPreparedResultSet::retrieveValue(sal_Int32 column)
+{
+    // TODO make conversion possible
+    return uno::Sequence<sal_Int8>(static_cast<sal_Int8 const*>(m_aData[column - 1].buffer),
+                                   *m_aData[column - 1].length);
+}
+
+template <> Date OPreparedResultSet::retrieveValue(sal_Int32 column)
+{
+    if (getTypeFromMysqlType(m_aFields[column - 1].type) != std::type_index(typeid(Date)))
+        return getRowSetValue(column);
+    const MYSQL_TIME* pTime = static_cast<MYSQL_TIME*>(m_aData[column - 1].buffer);
+
+    Date d;
+    d.Year = pTime->year;
+    d.Month = pTime->month;
+    d.Day = pTime->day;
+    return d;
+}
+
+template <> Time OPreparedResultSet::retrieveValue(sal_Int32 column)
+{
+    if (getTypeFromMysqlType(m_aFields[column - 1].type) != std::type_index(typeid(Time)))
+        return getRowSetValue(column);
+    const MYSQL_TIME* pTime = static_cast<MYSQL_TIME*>(m_aData[column - 1].buffer);
+
+    Time t;
+    t.Hours = pTime->hour;
+    t.Minutes = pTime->minute;
+    t.Seconds = pTime->second;
+    return t;
+}
+
+template <> DateTime OPreparedResultSet::retrieveValue(sal_Int32 column)
+{
+    if (getTypeFromMysqlType(m_aFields[column - 1].type) != std::type_index(typeid(DateTime)))
+        return getRowSetValue(column);
+    const MYSQL_TIME* pTime = static_cast<MYSQL_TIME*>(m_aData[column - 1].buffer);
+
+    DateTime t;
+    t.Year = pTime->year;
+    t.Month = pTime->month;
+    t.Day = pTime->day;
+    t.Hours = pTime->hour;
+    t.Minutes = pTime->minute;
+    t.Seconds = pTime->second;
+    return t;
+}
+
+template <> OUString OPreparedResultSet::retrieveValue(sal_Int32 column)
+{
+    // redirect call to the appropriate method if needed
+    // BLOB can be simply read out as string
+    if (getTypeFromMysqlType(m_aFields[column - 1].type) != std::type_index(typeid(OUString))
+        && m_aFields[column - 1].type != MYSQL_TYPE_BLOB)
+        return getRowSetValue(column);
+    const char* sStr = static_cast<const char*>(m_aData[column - 1].buffer);
+
+    return OUString(sStr, *m_aData[column - 1].length, m_encoding);
+}
+
+ORowSetValue OPreparedResultSet::getRowSetValue(sal_Int32 nColumnIndex)
+{
+    switch (m_aFields[nColumnIndex - 1].type)
+    {
+        case MYSQL_TYPE_TINY:
+            return getByte(nColumnIndex);
+        case MYSQL_TYPE_SHORT:
+            return getShort(nColumnIndex);
+        case MYSQL_TYPE_LONG:
+        case MYSQL_TYPE_INT24:
+            return getInt(nColumnIndex);
+        case MYSQL_TYPE_LONGLONG:
+            return getLong(nColumnIndex);
+        case MYSQL_TYPE_FLOAT:
+            return getFloat(nColumnIndex);
+        case MYSQL_TYPE_DOUBLE:
+            return getDouble(nColumnIndex);
+        case MYSQL_TYPE_TIMESTAMP:
+        case MYSQL_TYPE_DATETIME:
+            return getTimestamp(nColumnIndex);
+        case MYSQL_TYPE_DATE:
+            return getDate(nColumnIndex);
+        case MYSQL_TYPE_TIME:
+            return getTime(nColumnIndex);
+        case MYSQL_TYPE_STRING:
+        case MYSQL_TYPE_VAR_STRING:
+        case MYSQL_TYPE_DECIMAL:
+        case MYSQL_TYPE_NEWDECIMAL:
+            return getString(nColumnIndex);
+        case MYSQL_TYPE_BLOB:
+            throw SQLException("Column with type BLOB cannot be converted", *this, "22000", 1,
+                               Any());
+        default:
+            SAL_WARN("connectivity.mysqlc", "OPreparedResultSet::getRowSetValue: unknown type: "
+                                                << m_aFields[nColumnIndex - 1].type);
+            throw SQLException("Unknown column type when fetching result", *this, "22000", 1,
+                               Any());
+    }
+}
+
+uno::Reference<XInputStream> SAL_CALL OPreparedResultSet::getBinaryStream(sal_Int32 /*column*/)
+{
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::getBinaryStream",
+                                                            *this);
+    return nullptr;
+}
+
+uno::Reference<XInputStream> SAL_CALL OPreparedResultSet::getCharacterStream(sal_Int32 /*column*/)
+{
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException(
+        "OPreparedResultSet::getCharacterStream", *this);
+    return nullptr;
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::getBoolean(sal_Int32 column)
+{
+    return safelyRetrieveValue<bool>(column);
+}
+
+sal_Int8 SAL_CALL OPreparedResultSet::getByte(sal_Int32 column)
+{
+    return safelyRetrieveValue<sal_Int8>(column);
+}
+
+uno::Sequence<sal_Int8> SAL_CALL OPreparedResultSet::getBytes(sal_Int32 column)
+{
+    return safelyRetrieveValue<uno::Sequence<sal_Int8>>(column);
+}
+
+Date SAL_CALL OPreparedResultSet::getDate(sal_Int32 column)
+{
+    return safelyRetrieveValue<Date>(column);
+}
+
+double SAL_CALL OPreparedResultSet::getDouble(sal_Int32 column)
+{
+    return safelyRetrieveValue<double>(column);
+}
+
+float SAL_CALL OPreparedResultSet::getFloat(sal_Int32 column)
+{
+    return safelyRetrieveValue<float>(column);
+}
+
+sal_Int32 SAL_CALL OPreparedResultSet::getInt(sal_Int32 column)
+{
+    return safelyRetrieveValue<sal_Int32>(column);
+}
+
+sal_Int32 SAL_CALL OPreparedResultSet::getRow()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    return static_cast<sal_Int32>(mysql_field_tell(m_pResult));
+}
+
+sal_Int64 SAL_CALL OPreparedResultSet::getLong(sal_Int32 column)
+{
+    return safelyRetrieveValue<sal_Int64>(column);
+}
+
+uno::Reference<XResultSetMetaData> SAL_CALL OPreparedResultSet::getMetaData()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    if (!m_xMetaData.is())
+    {
+        m_xMetaData = new OResultSetMetaData(m_rConnection, m_pResult);
+    }
+    return m_xMetaData;
+}
+
+uno::Reference<XArray> SAL_CALL OPreparedResultSet::getArray(sal_Int32 column)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::getArray", *this);
+    return nullptr;
+}
+
+uno::Reference<XClob> SAL_CALL OPreparedResultSet::getClob(sal_Int32 column)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::getClob", *this);
+    return nullptr;
+}
+
+uno::Reference<XBlob> SAL_CALL OPreparedResultSet::getBlob(sal_Int32 column)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::getBlob", *this);
+    return nullptr;
+}
+
+uno::Reference<XRef> SAL_CALL OPreparedResultSet::getRef(sal_Int32 column)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::getRef", *this);
+    return nullptr;
+}
+
+Any SAL_CALL OPreparedResultSet::getObject(sal_Int32 column,
+                                           const uno::Reference<XNameAccess>& /* typeMap */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+
+    Any aRet;
+
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::getObject", *this);
+    return aRet;
+}
+
+sal_Int16 SAL_CALL OPreparedResultSet::getShort(sal_Int32 column)
+{
+    return safelyRetrieveValue<sal_Int16>(column);
+}
+
+OUString SAL_CALL OPreparedResultSet::getString(sal_Int32 column)
+{
+    return safelyRetrieveValue<OUString>(column);
+}
+
+Time SAL_CALL OPreparedResultSet::getTime(sal_Int32 column)
+{
+    return safelyRetrieveValue<Time>(column);
+}
+
+DateTime SAL_CALL OPreparedResultSet::getTimestamp(sal_Int32 column)
+{
+    return safelyRetrieveValue<DateTime>(column);
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::isBeforeFirst()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    return m_nCurrentRow == 0;
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::isAfterLast()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    return m_nCurrentRow > m_nRowCount;
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::isFirst()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    return m_nCurrentRow == 1 && !isAfterLast();
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::isLast()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    return m_nCurrentRow == m_nRowCount;
+}
+
+void SAL_CALL OPreparedResultSet::beforeFirst()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    mysql_stmt_data_seek(m_pStmt, 0);
+
+    m_nCurrentRow = 0;
+    m_aData.reset();
+}
+
+void SAL_CALL OPreparedResultSet::afterLast()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::afterLast", *this);
+}
+
+void SAL_CALL OPreparedResultSet::close()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    m_aData.reset();
+    m_aMetaData.reset();
+
+    if (m_pResult)
+        mysql_free_result(m_pResult);
+    mysql_stmt_free_result(m_pStmt);
+    dispose();
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::first()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    mysql_stmt_data_seek(m_pStmt, 0);
+    m_nCurrentRow = 0;
+    next();
+
+    return true;
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::last()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    mysql_stmt_data_seek(m_pStmt, m_nRowCount - 1);
+    next();
+
+    return true;
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::absolute(sal_Int32 row)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    sal_Int32 nToGo = row < 0 ? m_nRowCount - row : row - 1;
+
+    if (nToGo >= m_nRowCount)
+        nToGo = m_nRowCount - 1;
+    if (nToGo < 0)
+        nToGo = 0;
+
+    mysql_stmt_data_seek(m_pStmt, nToGo);
+    next();
+
+    return true;
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::relative(sal_Int32 row)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    if (row == 0)
+        return true;
+
+    sal_Int32 nToGo = m_nCurrentRow + row;
+    if (nToGo >= m_nRowCount)
+        nToGo = m_nRowCount - 1;
+    if (nToGo < 0)
+        nToGo = 0;
+
+    mysql_stmt_data_seek(m_pStmt, nToGo);
+    next();
+    m_nCurrentRow += row;
+
+    return true;
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::previous()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    if (m_nCurrentRow <= 1)
+        return false;
+
+    mysql_stmt_data_seek(m_pStmt, m_nCurrentRow - 2);
+    next();
+    --m_nCurrentRow;
+    return true;
+}
+
+uno::Reference<uno::XInterface> SAL_CALL OPreparedResultSet::getStatement()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    return m_aStatement.get();
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::rowDeleted()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    return false;
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::rowInserted()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    return false;
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::rowUpdated()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    return false;
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::next()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    bool hasData = fetchResult();
+
+    // current field cannot be asked as a number. We have to keep track it
+    // manually.
+    m_nCurrentRow += 1;
+
+    return hasData;
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::wasNull()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    return m_bWasNull;
+}
+
+void SAL_CALL OPreparedResultSet::cancel()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+}
+
+void SAL_CALL OPreparedResultSet::clearWarnings() {}
+
+Any SAL_CALL OPreparedResultSet::getWarnings() { return Any(); }
+
+void SAL_CALL OPreparedResultSet::insertRow()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    // you only have to implement this if you want to insert new rows
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::insertRow", *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateRow()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    // only when you allow updates
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateRow", *this);
+}
+
+void SAL_CALL OPreparedResultSet::deleteRow()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::deleteRow", *this);
+}
+
+void SAL_CALL OPreparedResultSet::cancelRowUpdates()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::cancelRowUpdates",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::moveToInsertRow()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    // only when you allow insert's
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::moveToInsertRow",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::moveToCurrentRow()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+}
+
+void SAL_CALL OPreparedResultSet::updateNull(sal_Int32 column)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateNull",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateBoolean(sal_Int32 column, sal_Bool /* x */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateBoolean",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateByte(sal_Int32 column, sal_Int8 /* x */)
+{
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    MutexGuard aGuard(m_aMutex);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateByte",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateShort(sal_Int32 column, sal_Int16 /* x */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateShort",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateInt(sal_Int32 column, sal_Int32 /* x */)
+{
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    MutexGuard aGuard(m_aMutex);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateInt", *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateLong(sal_Int32 column, sal_Int64 /* x */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateLong",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateFloat(sal_Int32 column, float /* x */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateFloat",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateDouble(sal_Int32 column, double /* x */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateDouble",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateString(sal_Int32 column, const OUString& /* x */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateString",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateBytes(sal_Int32 column,
+                                              const uno::Sequence<sal_Int8>& /* x */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateBytes",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateDate(sal_Int32 column, const Date& /* x */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateDate",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateTime(sal_Int32 column, const Time& /* x */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateTime",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateTimestamp(sal_Int32 column, const DateTime& /* x */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateTimestamp",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateBinaryStream(sal_Int32 column,
+                                                     const uno::Reference<XInputStream>& /* x */,
+                                                     sal_Int32 /* length */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException(
+        "OPreparedResultSet::updateBinaryStream", *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateCharacterStream(sal_Int32 column,
+                                                        const uno::Reference<XInputStream>& /* x */,
+                                                        sal_Int32 /* length */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException(
+        "OPreparedResultSet::updateCharacterStream", *this);
+}
+
+void SAL_CALL OPreparedResultSet::refreshRow()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::refreshRow",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateObject(sal_Int32 column, const Any& /* x */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::updateObject",
+                                                            *this);
+}
+
+void SAL_CALL OPreparedResultSet::updateNumericObject(sal_Int32 column, const Any& /* x */,
+                                                      sal_Int32 /* scale */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+    checkColumnIndex(column);
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException(
+        "OPreparedResultSet::updateNumericObject", *this);
+}
+
+// XRowLocate
+Any SAL_CALL OPreparedResultSet::getBookmark()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    // if you don't want to support bookmark you must remove the XRowLocate interface
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::getBookmark",
+                                                            *this);
+
+    return Any();
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::moveToBookmark(const Any& /* bookmark */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    return false;
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::moveRelativeToBookmark(const Any& /* bookmark */,
+                                                             sal_Int32 /* rows */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException(
+        "OPreparedResultSet::moveRelativeToBookmark", *this);
+    return false;
+}
+
+sal_Int32 SAL_CALL OPreparedResultSet::compareBookmarks(const Any& /* n1 */, const Any& /* n2 */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::compareBookmarks",
+                                                            *this);
+
+    return CompareBookmark::NOT_EQUAL;
+}
+
+sal_Bool SAL_CALL OPreparedResultSet::hasOrderedBookmarks() { return false; }
+
+sal_Int32 SAL_CALL OPreparedResultSet::hashBookmark(const Any& /* bookmark */)
+{
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::hashBookmark",
+                                                            *this);
+    return 0;
+}
+
+// XDeleteRows
+uno::Sequence<sal_Int32>
+    SAL_CALL OPreparedResultSet::deleteRows(const uno::Sequence<Any>& /* rows */)
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OPreparedResultSet_BASE::rBHelper.bDisposed);
+
+    mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedResultSet::deleteRows",
+                                                            *this);
+    return uno::Sequence<sal_Int32>();
+}
+
+IPropertyArrayHelper* OPreparedResultSet::createArrayHelper() const
+{
+    uno::Sequence<Property> aProps(5);
+    Property* pProperties = aProps.getArray();
+    sal_Int32 nPos = 0;
+    pProperties[nPos++] = Property("FetchDirection", PROPERTY_ID_FETCHDIRECTION,
+                                   cppu::UnoType<sal_Int32>::get(), 0);
+    pProperties[nPos++]
+        = Property("FetchSize", PROPERTY_ID_FETCHSIZE, cppu::UnoType<sal_Int32>::get(), 0);
+    pProperties[nPos++] = Property("IsBookmarkable", PROPERTY_ID_ISBOOKMARKABLE,
+                                   cppu::UnoType<bool>::get(), PropertyAttribute::READONLY);
+    pProperties[nPos++] = Property("ResultSetConcurrency", PROPERTY_ID_RESULTSETCONCURRENCY,
+                                   cppu::UnoType<sal_Int32>::get(), PropertyAttribute::READONLY);
+    pProperties[nPos++] = Property("ResultSetType", PROPERTY_ID_RESULTSETTYPE,
+                                   cppu::UnoType<sal_Int32>::get(), PropertyAttribute::READONLY);
+
+    return new OPropertyArrayHelper(aProps);
+}
+
+IPropertyArrayHelper& OPreparedResultSet::getInfoHelper() { return *getArrayHelper(); }
+
+sal_Bool OPreparedResultSet::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:
+        case PROPERTY_ID_FETCHSIZE:
+        default:;
+    }
+    return false;
+}
+
+void OPreparedResultSet::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 uno::Exception("cannot set prop " + OUString::number(nHandle), nullptr);
+        case PROPERTY_ID_FETCHDIRECTION:
+            break;
+        case PROPERTY_ID_FETCHSIZE:
+            break;
+        default:;
+    }
+}
+
+void OPreparedResultSet::getFastPropertyValue(Any& _rValue, sal_Int32 nHandle) const
+{
+    switch (nHandle)
+    {
+        case PROPERTY_ID_ISBOOKMARKABLE:
+            _rValue <<= false;
+            break;
+        case PROPERTY_ID_CURSORNAME:
+            break;
+        case PROPERTY_ID_RESULTSETCONCURRENCY:
+            _rValue <<= ResultSetConcurrency::READ_ONLY;
+            break;
+        case PROPERTY_ID_RESULTSETTYPE:
+            _rValue <<= ResultSetType::SCROLL_INSENSITIVE;
+            break;
+        case PROPERTY_ID_FETCHDIRECTION:
+            _rValue <<= FetchDirection::FORWARD;
+            break;
+        case PROPERTY_ID_FETCHSIZE:
+            _rValue <<= sal_Int32(50);
+            break;
+            ;
+        default:;
+    }
+}
+
+void SAL_CALL OPreparedResultSet::acquire() throw() { OPreparedResultSet_BASE::acquire(); }
+
+void SAL_CALL OPreparedResultSet::release() throw() { OPreparedResultSet_BASE::release(); }
+
+css::uno::Reference<css::beans::XPropertySetInfo> SAL_CALL OPreparedResultSet::getPropertySetInfo()
+{
+    return ::cppu::OPropertySetHelper::createPropertySetInfo(getInfoHelper());
+}
+
+void OPreparedResultSet::checkColumnIndex(sal_Int32 index)
+{
+    if (!m_aData)
+        throw SQLException("Cursor out of range", *this, "HY109", 1, Any());
+    if (index < 1 || index > static_cast<int>(m_nColumnCount))
+    {
+        /* static object for efficiency or thread safety is a problem ? */
+        throw SQLException("index out of range", *this, "42S22", 1, Any());
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */