Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

1 files changed, 1058 insertions, 0 deletions

diff --git a/connectivity/source/drivers/firebird/PreparedStatement.cxx b/connectivity/source/drivers/firebird/PreparedStatement.cxx
new file mode 100644
index 000000000..816c38d5c
--- /dev/null
+++ b/connectivity/source/drivers/firebird/PreparedStatement.cxx
@@ -0,0 +1,1058 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * 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 <sal/config.h>
+#include <cmath>
+
+#include "Connection.hxx"
+#include "PreparedStatement.hxx"
+#include "ResultSet.hxx"
+#include "ResultSetMetaData.hxx"
+#include "Util.hxx"
+
+#include <comphelper/sequence.hxx>
+#include <connectivity/dbexception.hxx>
+#include <propertyids.hxx>
+#include <connectivity/dbtools.hxx>
+#include <sal/log.hxx>
+
+#include <com/sun/star/sdbc/DataType.hpp>
+
+using namespace connectivity::firebird;
+
+using namespace ::comphelper;
+using namespace ::osl;
+
+using namespace com::sun::star;
+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::container;
+using namespace com::sun::star::io;
+using namespace com::sun::star::util;
+
+IMPLEMENT_SERVICE_INFO(OPreparedStatement,"com.sun.star.sdbcx.firebird.PreparedStatement","com.sun.star.sdbc.PreparedStatement");
+
+constexpr size_t MAX_SIZE_SEGMENT = 65535; // max value of a segment of CLOB, if we want more than 65535 bytes, we need more segments
+
+
+OPreparedStatement::OPreparedStatement( Connection* _pConnection,
+                                        const OUString& sql)
+    :OStatementCommonBase(_pConnection)
+    ,m_sSqlStatement(sql)
+    ,m_pOutSqlda(nullptr)
+    ,m_pInSqlda(nullptr)
+{
+    SAL_INFO("connectivity.firebird", "OPreparedStatement(). "
+             "sql: " << sql);
+}
+
+void OPreparedStatement::ensurePrepared()
+{
+    MutexGuard aGuard(m_aMutex);
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+
+    if (m_aStatementHandle)
+        return;
+
+    ISC_STATUS aErr = 0;
+
+    if (!m_pInSqlda)
+    {
+        m_pInSqlda = static_cast<XSQLDA*>(calloc(1, XSQLDA_LENGTH(10)));
+        m_pInSqlda->version = SQLDA_VERSION1;
+        m_pInSqlda->sqln = 10;
+    }
+
+    prepareAndDescribeStatement(m_sSqlStatement, m_pOutSqlda);
+
+    aErr = isc_dsql_describe_bind(m_statusVector,
+                                  &m_aStatementHandle,
+                                  1,
+                                  m_pInSqlda);
+
+    if (aErr)
+    {
+        SAL_WARN("connectivity.firebird", "isc_dsql_describe_bind failed");
+    }
+    else if (m_pInSqlda->sqld > m_pInSqlda->sqln) // Not large enough
+    {
+        short nItems = m_pInSqlda->sqld;
+        free(m_pInSqlda);
+        m_pInSqlda = static_cast<XSQLDA*>(calloc(1, XSQLDA_LENGTH(nItems)));
+        m_pInSqlda->version = SQLDA_VERSION1;
+        m_pInSqlda->sqln = nItems;
+        aErr = isc_dsql_describe_bind(m_statusVector,
+                                      &m_aStatementHandle,
+                                      1,
+                                      m_pInSqlda);
+        SAL_WARN_IF(aErr, "connectivity.firebird", "isc_dsql_describe_bind failed");
+    }
+
+    if (!aErr)
+        mallocSQLVAR(m_pInSqlda);
+    else
+        evaluateStatusVector(m_statusVector, m_sSqlStatement, *this);
+}
+
+OPreparedStatement::~OPreparedStatement()
+{
+}
+
+void SAL_CALL OPreparedStatement::acquire() noexcept
+{
+    OStatementCommonBase::acquire();
+}
+
+void SAL_CALL OPreparedStatement::release() noexcept
+{
+    OStatementCommonBase::release();
+}
+
+Any SAL_CALL OPreparedStatement::queryInterface(const Type& rType)
+{
+    Any aRet = OStatementCommonBase::queryInterface(rType);
+    if(!aRet.hasValue())
+        aRet = OPreparedStatement_Base::queryInterface(rType);
+    return aRet;
+}
+
+uno::Sequence< Type > SAL_CALL OPreparedStatement::getTypes()
+{
+    return concatSequences(OPreparedStatement_Base::getTypes(),
+                           OStatementCommonBase::getTypes());
+}
+
+Reference< XResultSetMetaData > SAL_CALL OPreparedStatement::getMetaData()
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    ensurePrepared();
+
+    if(!m_xMetaData.is())
+        m_xMetaData = new OResultSetMetaData(m_pConnection.get()
+                                           , m_pOutSqlda);
+
+    return m_xMetaData;
+}
+
+void SAL_CALL OPreparedStatement::close()
+{
+    MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+
+    OStatementCommonBase::close();
+    if (m_pInSqlda)
+    {
+        freeSQLVAR(m_pInSqlda);
+        free(m_pInSqlda);
+        m_pInSqlda = nullptr;
+    }
+    if (m_pOutSqlda)
+    {
+        freeSQLVAR(m_pOutSqlda);
+        free(m_pOutSqlda);
+        m_pOutSqlda = nullptr;
+    }
+}
+
+void SAL_CALL OPreparedStatement::disposing()
+{
+    close();
+}
+
+void SAL_CALL OPreparedStatement::setString(sal_Int32 nParameterIndex,
+                                            const OUString& sInput)
+{
+    SAL_INFO("connectivity.firebird",
+             "setString(" << nParameterIndex << " , " << sInput << ")");
+
+    MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    ensurePrepared();
+
+    checkParameterIndex(nParameterIndex);
+    setParameterNull(nParameterIndex, false);
+
+    OString str = OUStringToOString(sInput , RTL_TEXTENCODING_UTF8 );
+
+    XSQLVAR* pVar = m_pInSqlda->sqlvar + (nParameterIndex - 1);
+
+    int dtype = (pVar->sqltype & ~1); // drop flag bit for now
+
+    if (str.getLength() > pVar->sqllen)
+        str = str.copy(0, pVar->sqllen);
+
+    switch (dtype) {
+    case SQL_VARYING:
+    {
+        const sal_Int32 max_varchar_len = 0xFFFF;
+        // First 2 bytes indicate string size
+        if (str.getLength() > max_varchar_len)
+        {
+            str = str.copy(0, max_varchar_len);
+        }
+        const sal_uInt16 nLength = str.getLength();
+        static_assert(sizeof(nLength) == 2, "must match dest memcpy len");
+        memcpy(pVar->sqldata, &nLength, 2);
+        // Actual data
+        memcpy(pVar->sqldata + 2, str.getStr(), str.getLength());
+        break;
+    }
+    case SQL_TEXT:
+        memcpy(pVar->sqldata, str.getStr(), str.getLength());
+        // Fill remainder with spaces
+        memset(pVar->sqldata + str.getLength(), ' ', pVar->sqllen - str.getLength());
+        break;
+    case SQL_BLOB: // Clob
+        assert( pVar->sqlsubtype == static_cast<short>(BlobSubtype::Clob) );
+        setClob(nParameterIndex, sInput );
+        break;
+    case SQL_SHORT:
+    {
+        sal_Int32 int32Value = sInput.toInt32();
+        if ( (int32Value < std::numeric_limits<sal_Int16>::min()) ||
+             (int32Value > std::numeric_limits<sal_Int16>::max()) )
+        {
+            ::dbtools::throwSQLException(
+                "Value out of range for SQL_SHORT type",
+                ::dbtools::StandardSQLState::INVALID_SQL_DATA_TYPE,
+                *this);
+        }
+        setShort(nParameterIndex, int32Value);
+        break;
+    }
+    case SQL_LONG:
+    {
+        sal_Int32 int32Value = sInput.toInt32();
+        setInt(nParameterIndex, int32Value);
+        break;
+    }
+    case SQL_INT64:
+    {
+        sal_Int64 int64Value = sInput.toInt64();
+        setLong(nParameterIndex, int64Value);
+        break;
+    }
+    case SQL_FLOAT:
+    {
+        float floatValue = sInput.toFloat();
+        setFloat(nParameterIndex, floatValue);
+        break;
+    }
+    case SQL_BOOLEAN:
+    {
+        bool boolValue = sInput.toBoolean();
+        setBoolean(nParameterIndex, boolValue);
+        break;
+    }
+    case SQL_NULL:
+    {
+        // See https://www.firebirdsql.org/file/documentation/html/en/refdocs/fblangref25/firebird-25-language-reference.html#fblangref25-datatypes-special-sqlnull
+        pVar->sqldata = nullptr;
+        break;
+    }
+    default:
+        ::dbtools::throwSQLException(
+            "Incorrect type for setString",
+            ::dbtools::StandardSQLState::INVALID_SQL_DATA_TYPE,
+            *this);
+    }
+}
+
+Reference< XConnection > SAL_CALL OPreparedStatement::getConnection()
+{
+    MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+
+    return m_pConnection;
+}
+
+sal_Bool SAL_CALL OPreparedStatement::execute()
+{
+    SAL_INFO("connectivity.firebird", "executeQuery(). "
+        "Got called with sql: " <<  m_sSqlStatement);
+
+    MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+
+    ensurePrepared();
+
+    ISC_STATUS aErr;
+
+    if (m_xResultSet.is()) // Checks whether we have already run the statement.
+    {
+        disposeResultSet();
+        // Closes the cursor from the last run.
+        // This doesn't actually free the statement -- using DSQL_close closes
+        // the cursor and keeps the statement, using DSQL_drop frees the statement
+        // (and associated cursors).
+        aErr = isc_dsql_free_statement(m_statusVector,
+                                       &m_aStatementHandle,
+                                       DSQL_close);
+        if (aErr)
+        {
+            // Do not throw error. Trying to close a closed cursor is not a
+            // critical mistake.
+            OUString sErrMsg  = StatusVectorToString(m_statusVector,
+                    u"isc_dsql_free_statement: close cursor");
+            SAL_WARN("connectivity.firebird", sErrMsg);
+        }
+    }
+
+    aErr = isc_dsql_execute(m_statusVector,
+                                &m_pConnection->getTransaction(),
+                                &m_aStatementHandle,
+                                1,
+                                m_pInSqlda);
+    if (aErr)
+    {
+        SAL_WARN("connectivity.firebird", "isc_dsql_execute failed" );
+        evaluateStatusVector(m_statusVector, u"isc_dsql_execute", *this);
+    }
+
+    m_xResultSet = new OResultSet(m_pConnection.get(),
+                                  m_aMutex,
+                                  uno::Reference< XInterface >(*this),
+                                  m_aStatementHandle,
+                                  m_pOutSqlda);
+
+    if (getStatementChangeCount() > 0)
+        m_pConnection->notifyDatabaseModified();
+
+    return m_xResultSet.is();
+    // TODO: implement handling of multiple ResultSets.
+}
+
+sal_Int32 SAL_CALL OPreparedStatement::executeUpdate()
+{
+    execute();
+    return getStatementChangeCount();
+}
+
+Reference< XResultSet > SAL_CALL OPreparedStatement::executeQuery()
+{
+    execute();
+    return m_xResultSet;
+}
+
+namespace {
+
+/**
+ * Take out the number part of a fix point decimal without
+ * the information of where is the fractional part from a
+ * string representation of a number. (e.g. 54.654 -> 54654)
+ */
+sal_Int64 toNumericWithoutDecimalPlace(const OUString& sSource)
+{
+    OUString sNumber(sSource);
+
+    // cut off leading 0 eventually ( eg. 0.567 -> .567)
+    (void)sSource.startsWith("0", &sNumber);
+
+    sal_Int32 nDotIndex = sNumber.indexOf('.');
+
+    if( nDotIndex < 0)
+    {
+        return sNumber.toInt64(); // no dot -> it's an integer
+    }
+    else
+    {
+        // remove dot
+        OUStringBuffer sBuffer(15);
+        if(nDotIndex > 0)
+        {
+            sBuffer.append(sNumber.subView(0, nDotIndex));
+        }
+        sBuffer.append(sNumber.subView(nDotIndex + 1));
+        return sBuffer.makeStringAndClear().toInt64();
+    }
+}
+
+}
+
+//----- XParameters -----------------------------------------------------------
+void SAL_CALL OPreparedStatement::setNull(sal_Int32 nIndex, sal_Int32 /*nSqlType*/)
+{
+    MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    ensurePrepared();
+
+    checkParameterIndex(nIndex);
+    setParameterNull(nIndex);
+}
+
+void SAL_CALL OPreparedStatement::setBoolean(sal_Int32 nIndex, sal_Bool bValue)
+{
+    setValue< sal_Bool >(nIndex, bValue, SQL_BOOLEAN);
+}
+
+template <typename T>
+void OPreparedStatement::setValue(sal_Int32 nIndex, const T& nValue, ISC_SHORT nType)
+{
+    MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    ensurePrepared();
+
+    checkParameterIndex(nIndex);
+    setParameterNull(nIndex, false);
+
+    XSQLVAR* pVar = m_pInSqlda->sqlvar + (nIndex - 1);
+
+    if ((pVar->sqltype & ~1) != nType)
+    {
+       ::dbtools::throwSQLException(
+            "Incorrect type for setValue",
+            ::dbtools::StandardSQLState::INVALID_SQL_DATA_TYPE,
+            *this);
+    }
+
+    memcpy(pVar->sqldata, &nValue, sizeof(nValue));
+}
+
+void SAL_CALL OPreparedStatement::setByte(sal_Int32 nIndex, sal_Int8 nValue)
+{
+    // there's no TINYINT or equivalent on Firebird,
+    // so do the same as setShort
+    setValue< sal_Int16 >(nIndex, nValue, SQL_SHORT);
+}
+
+void SAL_CALL OPreparedStatement::setShort(sal_Int32 nIndex, sal_Int16 nValue)
+{
+    setValue< sal_Int16 >(nIndex, nValue, SQL_SHORT);
+}
+
+void SAL_CALL OPreparedStatement::setInt(sal_Int32 nIndex, sal_Int32 nValue)
+{
+    setValue< sal_Int32 >(nIndex, nValue, SQL_LONG);
+}
+
+void SAL_CALL OPreparedStatement::setLong(sal_Int32 nIndex, sal_Int64 nValue)
+{
+    setValue< sal_Int64 >(nIndex, nValue, SQL_INT64);
+}
+
+void SAL_CALL OPreparedStatement::setFloat(sal_Int32 nIndex, float nValue)
+{
+    setValue< float >(nIndex, nValue, SQL_FLOAT);
+}
+
+void SAL_CALL OPreparedStatement::setDouble(sal_Int32 nIndex, double nValue)
+{
+    MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    ensurePrepared();
+
+    XSQLVAR* pVar = m_pInSqlda->sqlvar + (nIndex - 1);
+    short dType = (pVar->sqltype & ~1); // drop flag bit for now
+    short dSubType = pVar->sqlsubtype;
+    // Assume it is a sub type of a number.
+    if(dSubType < 0 || dSubType > 2)
+    {
+        ::dbtools::throwSQLException(
+            "Incorrect number sub type",
+            ::dbtools::StandardSQLState::INVALID_SQL_DATA_TYPE,
+            *this);
+    }
+    // firebird stores scale as a negative number
+    ColumnTypeInfo columnType{ dType, dSubType,
+        static_cast<short>(-pVar->sqlscale) };
+
+    // Caller might try to set an integer type here. It makes sense to convert
+    // it instead of throwing an error.
+    switch(columnType.getSdbcType())
+    {
+        case DataType::SMALLINT:
+            setValue< sal_Int16 >(nIndex,
+                    static_cast<sal_Int16>(nValue),
+                    dType);
+            break;
+        case DataType::INTEGER:
+            setValue< sal_Int32 >(nIndex,
+                    static_cast<sal_Int32>(nValue),
+                    dType);
+            break;
+        case DataType::BIGINT:
+            setValue< sal_Int64 >(nIndex,
+                    static_cast<sal_Int64>(nValue),
+                    dType);
+            break;
+        case DataType::NUMERIC:
+        case DataType::DECIMAL:
+            // take decimal places into account, later on they are removed in makeNumericString
+            setObjectWithInfo(nIndex,Any{nValue}, columnType.getSdbcType(), columnType.getScale());
+            break;
+        default:
+            setValue< double >(nIndex, nValue, SQL_DOUBLE); // TODO: SQL_D_FLOAT?
+    }
+}
+
+void SAL_CALL OPreparedStatement::setDate(sal_Int32 nIndex, const Date& rDate)
+{
+    struct tm aCTime;
+    aCTime.tm_mday = rDate.Day;
+    aCTime.tm_mon = rDate.Month -1;
+    aCTime.tm_year = rDate.Year -1900;
+
+    ISC_DATE aISCDate;
+    isc_encode_sql_date(&aCTime, &aISCDate);
+
+    setValue< ISC_DATE >(nIndex, aISCDate, SQL_TYPE_DATE);
+}
+
+void SAL_CALL OPreparedStatement::setTime( sal_Int32 nIndex, const css::util::Time& rTime)
+{
+    struct tm aCTime;
+    aCTime.tm_sec = rTime.Seconds;
+    aCTime.tm_min = rTime.Minutes;
+    aCTime.tm_hour = rTime.Hours;
+
+    ISC_TIME aISCTime;
+    isc_encode_sql_time(&aCTime, &aISCTime);
+
+    // Here we "know" that ISC_TIME is simply in units of seconds/ISC_TIME_SECONDS_PRECISION with no
+    // other funkiness, so we can simply add the fraction of a second.
+    aISCTime += rTime.NanoSeconds / (1000000000 / ISC_TIME_SECONDS_PRECISION);
+
+    setValue< ISC_TIME >(nIndex, aISCTime, SQL_TYPE_TIME);
+}
+
+void SAL_CALL OPreparedStatement::setTimestamp(sal_Int32 nIndex, const DateTime& rTimestamp)
+{
+    struct tm aCTime;
+    aCTime.tm_sec = rTimestamp.Seconds;
+    aCTime.tm_min = rTimestamp.Minutes;
+    aCTime.tm_hour = rTimestamp.Hours;
+    aCTime.tm_mday = rTimestamp.Day;
+    aCTime.tm_mon = rTimestamp.Month - 1;
+    aCTime.tm_year = rTimestamp.Year - 1900;
+
+    ISC_TIMESTAMP aISCTimestamp;
+    isc_encode_timestamp(&aCTime, &aISCTimestamp);
+
+    // As in previous function
+    aISCTimestamp.timestamp_time += rTimestamp.NanoSeconds / (1000000000 / ISC_TIME_SECONDS_PRECISION);
+
+    setValue< ISC_TIMESTAMP >(nIndex, aISCTimestamp, SQL_TIMESTAMP);
+}
+
+
+// void OPreparedStatement::set
+void OPreparedStatement::openBlobForWriting(isc_blob_handle& rBlobHandle, ISC_QUAD& rBlobId)
+{
+    ISC_STATUS aErr;
+
+    aErr = isc_create_blob2(m_statusVector,
+                            &m_pConnection->getDBHandle(),
+                            &m_pConnection->getTransaction(),
+                            &rBlobHandle,
+                            &rBlobId,
+                            0, // Blob parameter buffer length
+                            nullptr); // Blob parameter buffer handle
+
+    if (aErr)
+    {
+        evaluateStatusVector(m_statusVector,
+                             OUStringConcatenation("setBlob failed on " + m_sSqlStatement),
+                             *this);
+        assert(false);
+    }
+}
+
+void OPreparedStatement::closeBlobAfterWriting(isc_blob_handle& rBlobHandle)
+{
+    ISC_STATUS aErr;
+
+    aErr = isc_close_blob(m_statusVector,
+            &rBlobHandle);
+    if (aErr)
+    {
+        evaluateStatusVector(m_statusVector,
+                u"isc_close_blob failed",
+                *this);
+        assert(false);
+    }
+}
+
+void SAL_CALL OPreparedStatement::setClob(sal_Int32 nParameterIndex, const Reference< XClob >& xClob )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+
+#if SAL_TYPES_SIZEOFPOINTER == 8
+    isc_blob_handle aBlobHandle = 0;
+#else
+    isc_blob_handle aBlobHandle = nullptr;
+#endif
+    ISC_QUAD aBlobId;
+
+    openBlobForWriting(aBlobHandle, aBlobId);
+
+
+    // Max segment size is 2^16 == SAL_MAX_UINT16
+    // SAL_MAX_UINT16 / 4 is surely enough for UTF-8
+    // TODO apply max segment size to character encoding
+    sal_Int64 nCharWritten = 1; // XClob is indexed from 1
+    ISC_STATUS aErr = 0;
+    sal_Int64 nLen = xClob->length();
+    while ( nLen >= nCharWritten )
+    {
+        sal_Int64 nCharRemain = nLen - nCharWritten + 1;
+        constexpr sal_uInt16 MAX_SIZE = SAL_MAX_UINT16 / 4;
+        sal_uInt16 nWriteSize = std::min<sal_Int64>(nCharRemain, MAX_SIZE);
+        OString sData = OUStringToOString(
+                xClob->getSubString(nCharWritten, nWriteSize),
+                RTL_TEXTENCODING_UTF8);
+        aErr = isc_put_segment( m_statusVector,
+                &aBlobHandle,
+                sData.getLength(),
+                sData.getStr() );
+        nCharWritten += nWriteSize;
+
+        if (aErr)
+            break;
+    }
+
+    // We need to make sure we close the Blob even if there are errors, hence evaluate
+    // errors after closing.
+    closeBlobAfterWriting(aBlobHandle);
+
+    if (aErr)
+    {
+        evaluateStatusVector(m_statusVector,
+                u"isc_put_segment failed",
+                *this);
+        assert(false);
+    }
+
+    setValue< ISC_QUAD >(nParameterIndex, aBlobId, SQL_BLOB);
+}
+
+void OPreparedStatement::setClob( sal_Int32 nParameterIndex, const OUString& rStr )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    checkParameterIndex(nParameterIndex);
+
+#if SAL_TYPES_SIZEOFPOINTER == 8
+    isc_blob_handle aBlobHandle = 0;
+#else
+    isc_blob_handle aBlobHandle = nullptr;
+#endif
+    ISC_QUAD aBlobId;
+
+    openBlobForWriting(aBlobHandle, aBlobId);
+
+    OString sData = OUStringToOString(
+            rStr,
+            RTL_TEXTENCODING_UTF8);
+    size_t nDataSize = sData.getLength();
+    ISC_STATUS aErr = 0;
+    // we can't store  more than MAX_SIZE_SEGMENT in a segment
+    if (nDataSize <= MAX_SIZE_SEGMENT)
+    {
+        aErr = isc_put_segment( m_statusVector,
+                            &aBlobHandle,
+                            sData.getLength(),
+                            sData.getStr() );
+    }
+    else
+    {
+        // if we need more, let's split the input and first let's calculate the nb of entire chunks needed
+        size_t nNbEntireChunks = nDataSize / MAX_SIZE_SEGMENT;
+        for (size_t i = 0; i < nNbEntireChunks; ++i)
+        {
+            OString strCurrentChunk = sData.copy(i * MAX_SIZE_SEGMENT, MAX_SIZE_SEGMENT);
+            aErr = isc_put_segment( m_statusVector,
+                            &aBlobHandle,
+                            strCurrentChunk.getLength(),
+                            strCurrentChunk.getStr() );
+            if (aErr)
+                break;
+        }
+        size_t nRemainingBytes = nDataSize - (nNbEntireChunks * MAX_SIZE_SEGMENT);
+        if (nRemainingBytes && !aErr)
+        {
+            // then copy the remaining
+            OString strCurrentChunk = sData.copy(nNbEntireChunks * MAX_SIZE_SEGMENT, nRemainingBytes);
+            aErr = isc_put_segment( m_statusVector,
+                            &aBlobHandle,
+                            strCurrentChunk.getLength(),
+                            strCurrentChunk.getStr() );
+        }
+    }
+
+    // We need to make sure we close the Blob even if there are errors, hence evaluate
+    // errors after closing.
+    closeBlobAfterWriting(aBlobHandle);
+
+    if (aErr)
+    {
+        evaluateStatusVector(m_statusVector,
+                             u"isc_put_segment failed",
+                             *this);
+        assert(false);
+    }
+
+    setValue< ISC_QUAD >(nParameterIndex, aBlobId, SQL_BLOB);
+}
+
+void SAL_CALL OPreparedStatement::setBlob(sal_Int32 nParameterIndex,
+                                          const Reference< XBlob >& xBlob)
+{
+    ::osl::MutexGuard aGuard(m_aMutex);
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    checkParameterIndex(nParameterIndex);
+
+#if SAL_TYPES_SIZEOFPOINTER == 8
+    isc_blob_handle aBlobHandle = 0;
+#else
+    isc_blob_handle aBlobHandle = nullptr;
+#endif
+    ISC_QUAD aBlobId;
+
+    openBlobForWriting(aBlobHandle, aBlobId);
+
+    ISC_STATUS aErr = 0;
+    const sal_Int64 nBlobLen = xBlob->length();
+    if (nBlobLen > 0)
+    {
+        // Max write size is 0xFFFF == SAL_MAX_UINT16
+        sal_uInt64 nDataWritten = 0;
+        while (sal::static_int_cast<sal_uInt64>(nBlobLen) > nDataWritten)
+        {
+            sal_uInt64 nDataRemaining = nBlobLen - nDataWritten;
+            sal_uInt16 nWriteSize = std::min(nDataRemaining, sal_uInt64(SAL_MAX_UINT16));
+            aErr = isc_put_segment(m_statusVector,
+                                   &aBlobHandle,
+                                   nWriteSize,
+                                   reinterpret_cast<const char*>(xBlob->getBytes(nDataWritten, nWriteSize).getConstArray()));
+            nDataWritten += nWriteSize;
+
+            if (aErr)
+                break;
+        }
+    }
+
+    // We need to make sure we close the Blob even if there are errors, hence evaluate
+    // errors after closing.
+    closeBlobAfterWriting(aBlobHandle);
+
+    if (aErr)
+    {
+        evaluateStatusVector(m_statusVector,
+                             u"isc_put_segment failed",
+                             *this);
+        assert(false);
+    }
+
+    setValue< ISC_QUAD >(nParameterIndex, aBlobId, SQL_BLOB);
+}
+
+
+void SAL_CALL OPreparedStatement::setArray( sal_Int32 nIndex, const Reference< XArray >& )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    checkParameterIndex(nIndex);
+}
+
+
+void SAL_CALL OPreparedStatement::setRef( sal_Int32 nIndex, const Reference< XRef >& )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    checkParameterIndex(nIndex);
+}
+
+
+void SAL_CALL OPreparedStatement::setObjectWithInfo( sal_Int32 parameterIndex, const Any& x, sal_Int32 sqlType, sal_Int32 scale )
+{
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    ::osl::MutexGuard aGuard( m_aMutex );
+    ensurePrepared();
+
+    checkParameterIndex(parameterIndex);
+    setParameterNull(parameterIndex, false);
+
+    XSQLVAR* pVar = m_pInSqlda->sqlvar + (parameterIndex - 1);
+    int dType = (pVar->sqltype & ~1); // drop null flag
+
+    if(sqlType == DataType::DECIMAL || sqlType == DataType::NUMERIC)
+    {
+        double dbValue =0.0;
+        OUString sValue;
+        if( x >>= dbValue )
+        {
+            // truncate and round to 'scale' number of decimal places
+            sValue = OUString::number( std::floor((dbValue * pow10Integer(scale)) + .5) / pow10Integer(scale) );
+        }
+        else
+        {
+            x >>= sValue;
+        }
+
+        // fill in the number with nulls in fractional part.
+        // We need this because  e.g. 0.450 != 0.045 despite
+        // their scale is equal
+        OUStringBuffer sBuffer(15);
+        sBuffer.append(sValue);
+        if(sValue.indexOf('.') != -1) // there is a dot
+        {
+            for(sal_Int32 i=sValue.subView(sValue.indexOf('.')+1).size(); i<scale;i++)
+            {
+                sBuffer.append('0');
+            }
+        }
+        else
+        {
+            for (sal_Int32 i=0; i<scale; i++)
+            {
+                sBuffer.append('0');
+            }
+        }
+
+        sValue = sBuffer.makeStringAndClear();
+        switch(dType)
+        {
+            case SQL_SHORT:
+                setValue< sal_Int16 >(parameterIndex,
+                        static_cast<sal_Int16>( toNumericWithoutDecimalPlace(sValue) ),
+                        dType);
+                break;
+            case SQL_LONG:
+            case SQL_DOUBLE:
+                setValue< sal_Int32 >(parameterIndex,
+                        static_cast<sal_Int32>( toNumericWithoutDecimalPlace(sValue) ),
+                        dType);
+                break;
+            case SQL_INT64:
+                setValue< sal_Int64 >(parameterIndex,
+                        toNumericWithoutDecimalPlace(sValue),
+                        dType);
+                break;
+            default:
+                SAL_WARN("connectivity.firebird",
+                        "No Firebird sql type found for numeric or decimal types");
+                ::dbtools::setObjectWithInfo(this,parameterIndex,x,sqlType,scale);
+        }
+    }
+    else
+    {
+        ::dbtools::setObjectWithInfo(this,parameterIndex,x,sqlType,scale);
+    }
+
+}
+
+
+void SAL_CALL OPreparedStatement::setObjectNull( sal_Int32 nIndex, sal_Int32, const OUString& )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    checkParameterIndex(nIndex);
+}
+
+
+void SAL_CALL OPreparedStatement::setObject( sal_Int32 nIndex, const Any& )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    checkParameterIndex(nIndex);
+}
+
+void SAL_CALL OPreparedStatement::setBytes(sal_Int32 nParameterIndex,
+                                           const Sequence< sal_Int8 >& xBytes)
+{
+    ::osl::MutexGuard aGuard(m_aMutex);
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    checkParameterIndex(nParameterIndex);
+
+    XSQLVAR* pVar = m_pInSqlda->sqlvar + (nParameterIndex - 1);
+    int dType = (pVar->sqltype & ~1); // drop flag bit for now
+
+    if( dType == SQL_BLOB )
+    {
+#if SAL_TYPES_SIZEOFPOINTER == 8
+        isc_blob_handle aBlobHandle = 0;
+#else
+        isc_blob_handle aBlobHandle = nullptr;
+#endif
+        ISC_QUAD aBlobId;
+
+        openBlobForWriting(aBlobHandle, aBlobId);
+
+        ISC_STATUS aErr = 0;
+        const sal_Int32 nBytesLen = xBytes.getLength();
+        if (nBytesLen > 0)
+        {
+            // Max write size is 0xFFFF == SAL_MAX_UINT16
+            sal_uInt32 nDataWritten = 0;
+            while (sal::static_int_cast<sal_uInt32>(nBytesLen) > nDataWritten)
+            {
+                sal_uInt32 nDataRemaining = nBytesLen - nDataWritten;
+                sal_uInt16 nWriteSize = std::min(nDataRemaining, sal_uInt32(SAL_MAX_UINT16));
+                aErr = isc_put_segment(m_statusVector,
+                                       &aBlobHandle,
+                                       nWriteSize,
+                                       reinterpret_cast<const char*>(xBytes.getConstArray()) + nDataWritten);
+                nDataWritten += nWriteSize;
+
+                if (aErr)
+                    break;
+            }
+        }
+
+        // We need to make sure we close the Blob even if there are errors, hence evaluate
+        // errors after closing.
+        closeBlobAfterWriting(aBlobHandle);
+
+        if (aErr)
+        {
+            evaluateStatusVector(m_statusVector,
+                                 u"isc_put_segment failed",
+                                 *this);
+            assert(false);
+        }
+
+        setValue< ISC_QUAD >(nParameterIndex, aBlobId, SQL_BLOB);
+    }
+    else if( dType == SQL_VARYING )
+    {
+            setParameterNull(nParameterIndex, false);
+            const sal_Int32 nMaxSize = 0xFFFF;
+            Sequence<sal_Int8> xBytesCopy(xBytes);
+            if (xBytesCopy.getLength() > nMaxSize)
+            {
+                xBytesCopy.realloc( nMaxSize );
+            }
+            const sal_uInt16 nSize = xBytesCopy.getLength();
+            // 8000 corresponds to value from lcl_addDefaultParameters
+            // in dbaccess/source/filter/hsqldb/createparser.cxx
+            if (nSize > 8000)
+            {
+                free(pVar->sqldata);
+                pVar->sqldata = static_cast<char *>(malloc(sizeof(char) * nSize + 2));
+            }
+            static_assert(sizeof(nSize) == 2, "must match dest memcpy len");
+            // First 2 bytes indicate string size
+            memcpy(pVar->sqldata, &nSize, 2);
+            // Actual data
+            memcpy(pVar->sqldata + 2, xBytesCopy.getConstArray(), nSize);
+    }
+    else if( dType == SQL_TEXT )
+    {
+            if (pVar->sqllen < xBytes.getLength())
+                dbtools::throwSQLException("Data too big for this field",
+                                           dbtools::StandardSQLState::INVALID_SQL_DATA_TYPE, *this);
+            setParameterNull(nParameterIndex, false);
+            memcpy(pVar->sqldata, xBytes.getConstArray(), xBytes.getLength() );
+            // Fill remainder with zeroes
+            memset(pVar->sqldata + xBytes.getLength(), 0, pVar->sqllen - xBytes.getLength());
+    }
+    else
+    {
+        ::dbtools::throwSQLException(
+            "Incorrect type for setBytes",
+            ::dbtools::StandardSQLState::INVALID_SQL_DATA_TYPE,
+            *this);
+    }
+}
+
+
+void SAL_CALL OPreparedStatement::setCharacterStream( sal_Int32 nIndex, const Reference< css::io::XInputStream >&, sal_Int32 )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    checkParameterIndex(nIndex);
+}
+
+
+void SAL_CALL OPreparedStatement::setBinaryStream( sal_Int32 nIndex, const Reference< css::io::XInputStream >&, sal_Int32 )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+    checkDisposed(OStatementCommonBase_Base::rBHelper.bDisposed);
+    checkParameterIndex(nIndex);
+}
+
+
+void SAL_CALL OPreparedStatement::clearParameters(  )
+{
+}
+
+// ---- Batch methods -- unsupported -----------------------------------------
+void SAL_CALL OPreparedStatement::clearBatch()
+{
+    // Unsupported
+}
+
+void SAL_CALL OPreparedStatement::addBatch()
+{
+    // Unsupported by firebird
+}
+
+Sequence< sal_Int32 > SAL_CALL OPreparedStatement::executeBatch()
+{
+    // Unsupported by firebird
+    return Sequence< sal_Int32 >();
+}
+
+void OPreparedStatement::setFastPropertyValue_NoBroadcast(sal_Int32 nHandle,const Any& rValue)
+{
+    switch(nHandle)
+    {
+        case PROPERTY_ID_RESULTSETCONCURRENCY:
+            break;
+        case PROPERTY_ID_RESULTSETTYPE:
+            break;
+        case PROPERTY_ID_FETCHDIRECTION:
+            break;
+        case PROPERTY_ID_USEBOOKMARKS:
+            break;
+        default:
+            OStatementCommonBase::setFastPropertyValue_NoBroadcast(nHandle,rValue);
+    }
+}
+
+void OPreparedStatement::checkParameterIndex(sal_Int32 nParameterIndex)
+{
+    ensurePrepared();
+    if ((nParameterIndex == 0) || (nParameterIndex > m_pInSqlda->sqld))
+    {
+        ::dbtools::throwSQLException(
+            "No column " + OUString::number(nParameterIndex),
+            ::dbtools::StandardSQLState::COLUMN_NOT_FOUND,
+            *this);
+    }
+}
+
+void OPreparedStatement::setParameterNull(sal_Int32 nParameterIndex,
+                                          bool bSetNull)
+{
+    XSQLVAR* pVar = m_pInSqlda->sqlvar + (nParameterIndex - 1);
+    if (bSetNull)
+    {
+        pVar->sqltype |= 1;
+        *pVar->sqlind = -1;
+    }
+    else
+        *pVar->sqlind = 0;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */