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, 2789 insertions, 0 deletions

diff --git a/connectivity/source/parse/sqlnode.cxx b/connectivity/source/parse/sqlnode.cxx
new file mode 100644
index 000000000..75acac48f
--- /dev/null
+++ b/connectivity/source/parse/sqlnode.cxx
@@ -0,0 +1,2789 @@
+/* -*- 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 <sal/macros.h>
+#include <connectivity/sqlnode.hxx>
+#include <connectivity/sqlerror.hxx>
+#include <connectivity/sqlbison_exports.hxx>
+#include <connectivity/internalnode.hxx>
+#define YYBISON   1
+#include <sqlbison.hxx>
+#include <connectivity/sqlparse.hxx>
+#include <connectivity/sqlscan.hxx>
+#include <com/sun/star/lang/Locale.hpp>
+#include <com/sun/star/util/XNumberFormatter.hpp>
+#include <com/sun/star/util/XNumberFormatTypes.hpp>
+#include <com/sun/star/i18n/LocaleData.hpp>
+#include <com/sun/star/i18n/NumberFormatIndex.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/sdbc/XDatabaseMetaData.hpp>
+#include <com/sun/star/sdbc/DataType.hpp>
+#include <com/sun/star/sdb/XQueriesSupplier.hpp>
+#include <com/sun/star/sdb/ErrorCondition.hpp>
+#include <com/sun/star/util/XNumberFormatsSupplier.hpp>
+#include <com/sun/star/util/XNumberFormats.hpp>
+#include <com/sun/star/util/NumberFormat.hpp>
+#include <com/sun/star/i18n/KParseType.hpp>
+#include <com/sun/star/i18n/KParseTokens.hpp>
+#include <com/sun/star/i18n/CharacterClassification.hpp>
+#include <connectivity/dbconversion.hxx>
+#include <com/sun/star/util/DateTime.hpp>
+#include <com/sun/star/util/Time.hpp>
+#include <com/sun/star/util/Date.hpp>
+#include <TConnection.hxx>
+#include <comphelper/numbers.hxx>
+#include <connectivity/dbtools.hxx>
+#include <connectivity/dbmetadata.hxx>
+#include <tools/diagnose_ex.h>
+#include <string.h>
+#include <algorithm>
+#include <functional>
+#include <memory>
+#include <string_view>
+
+#include <rtl/ustrbuf.hxx>
+#include <sal/log.hxx>
+
+using namespace ::com::sun::star::sdbc;
+using namespace ::com::sun::star::util;
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::sdb;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::i18n;
+using namespace ::com::sun::star;
+using namespace ::osl;
+using namespace ::dbtools;
+using namespace ::comphelper;
+
+namespace
+{
+
+    bool lcl_saveConvertToNumber(const Reference< XNumberFormatter > & _xFormatter,sal_Int32 _nKey,const OUString& _sValue,double& _nrValue)
+    {
+        bool bRet = false;
+        try
+        {
+            _nrValue = _xFormatter->convertStringToNumber(_nKey, _sValue);
+            bRet = true;
+        }
+        catch(Exception&)
+        {
+        }
+        return bRet;
+    }
+
+    void replaceAndReset(connectivity::OSQLParseNode*& _pResetNode,connectivity::OSQLParseNode* _pNewNode)
+    {
+        _pResetNode->getParent()->replace(_pResetNode, _pNewNode);
+        delete _pResetNode;
+        _pResetNode = _pNewNode;
+    }
+
+    /** quotes a string and search for quotes inside the string and replace them with the new quote
+        @param  rValue
+            The value to be quoted.
+        @param  rQuot
+            The quote
+        @param  rQuotToReplace
+            The quote to replace with
+        @return
+            The quoted string.
+    */
+    OUString SetQuotation(std::u16string_view rValue, const OUString& rQuot, std::u16string_view rQuotToReplace)
+    {
+        OUString rNewValue = rQuot + rValue;
+        sal_Int32 nIndex = sal_Int32(-1);   // Replace quotes with double quotes or the parser gets into problems
+
+        if (!rQuot.isEmpty())
+        {
+            do
+            {
+                nIndex += 2;
+                nIndex = rNewValue.indexOf(rQuot,nIndex);
+                if(nIndex != -1)
+                    rNewValue = rNewValue.replaceAt(nIndex,rQuot.getLength(),rQuotToReplace);
+            } while (nIndex != -1);
+        }
+
+        rNewValue += rQuot;
+        return rNewValue;
+    }
+
+    bool columnMatchP(const connectivity::OSQLParseNode* pSubTree, const connectivity::SQLParseNodeParameter& rParam)
+    {
+        using namespace connectivity;
+        assert(SQL_ISRULE(pSubTree,column_ref));
+
+        if(!rParam.xField.is())
+            return false;
+
+        // retrieve the field's name & table range
+        OUString aFieldName;
+        try
+        {
+            sal_Int32 nNamePropertyId = PROPERTY_ID_NAME;
+            if ( rParam.xField->getPropertySetInfo()->hasPropertyByName( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_REALNAME ) ) )
+                nNamePropertyId = PROPERTY_ID_REALNAME;
+            rParam.xField->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( nNamePropertyId ) ) >>= aFieldName;
+        }
+        catch ( Exception& )
+        {
+        }
+
+        if(!pSubTree->count())
+            return false;
+
+        const OSQLParseNode* pCol = pSubTree->getChild(pSubTree->count()-1);
+        if (SQL_ISRULE(pCol,column_val))
+        {
+            assert(pCol->count() == 1);
+            pCol = pCol->getChild(0);
+        }
+        const OSQLParseNode* pTable(nullptr);
+        switch (pSubTree->count())
+        {
+        case 1:
+            break;
+        case 3:
+            pTable = pSubTree->getChild(0);
+            break;
+        case 5:
+        case 7:
+            SAL_WARN("connectivity.parse", "SQL: catalog and/or schema in column_ref in predicate");
+            break;
+        default:
+            SAL_WARN("connectivity.parse", "columnMatchP: SQL grammar changed; column_ref has " << pSubTree->count() << " children");
+            assert(false);
+            break;
+        }
+        // TODO: not all DBMS match column names case-insensitively...
+        // see XDatabaseMetaData::supportsMixedCaseIdentifiers()
+        // and XDatabaseMetaData::supportsMixedCaseQuotedIdentifiers()
+        if  (   // table name matches (or no table name)?
+                ( !pTable || pTable->getTokenValue().equalsIgnoreAsciiCase(rParam.sPredicateTableAlias) )
+             && // column name matches?
+                pCol->getTokenValue().equalsIgnoreAsciiCase(aFieldName)
+            )
+            return true;
+        return false;
+    }
+}
+
+namespace connectivity
+{
+
+SQLParseNodeParameter::SQLParseNodeParameter( const Reference< XConnection >& _rxConnection,
+        const Reference< XNumberFormatter >& _xFormatter, const Reference< XPropertySet >& _xField,
+        const OUString &_sPredicateTableAlias,
+        const Locale& _rLocale, const IParseContext* _pContext,
+        bool _bIntl, bool _bQuote, OUString _sDecSep, bool _bPredicate, bool _bParseToSDBC )
+    :rLocale(_rLocale)
+    ,aMetaData( _rxConnection )
+    ,pParser( nullptr )
+    ,pSubQueryHistory( std::make_shared<QueryNameSet>() )
+    ,xFormatter(_xFormatter)
+    ,xField(_xField)
+    ,sPredicateTableAlias(_sPredicateTableAlias)
+    ,m_rContext( _pContext ? *_pContext : OSQLParser::s_aDefaultContext )
+    ,sDecSep(_sDecSep)
+    ,bQuote(_bQuote)
+    ,bInternational(_bIntl)
+    ,bPredicate(_bPredicate)
+    ,bParseToSDBCLevel( _bParseToSDBC )
+{
+}
+
+OUString OSQLParseNode::convertDateString(const SQLParseNodeParameter& rParam, std::u16string_view rString)
+{
+    Date aDate = DBTypeConversion::toDate(rString);
+    Reference< XNumberFormatsSupplier > xSupplier(rParam.xFormatter->getNumberFormatsSupplier());
+    Reference< XNumberFormatTypes >     xTypes(xSupplier->getNumberFormats(), UNO_QUERY);
+
+    double fDate = DBTypeConversion::toDouble(aDate,DBTypeConversion::getNULLDate(xSupplier));
+    sal_Int32 nKey = xTypes->getFormatIndex(NumberFormatIndex::DATE_SYS_DDMMYYYY, rParam.rLocale);
+    return rParam.xFormatter->convertNumberToString(nKey, fDate);
+}
+
+
+OUString OSQLParseNode::convertDateTimeString(const SQLParseNodeParameter& rParam, const OUString& rString)
+{
+    DateTime aDate = DBTypeConversion::toDateTime(rString);
+    Reference< XNumberFormatsSupplier >  xSupplier(rParam.xFormatter->getNumberFormatsSupplier());
+    Reference< XNumberFormatTypes >  xTypes(xSupplier->getNumberFormats(), UNO_QUERY);
+
+    double fDateTime = DBTypeConversion::toDouble(aDate,DBTypeConversion::getNULLDate(xSupplier));
+    sal_Int32 nKey = xTypes->getFormatIndex(NumberFormatIndex::DATETIME_SYS_DDMMYYYY_HHMMSS, rParam.rLocale);
+    return rParam.xFormatter->convertNumberToString(nKey, fDateTime);
+}
+
+
+OUString OSQLParseNode::convertTimeString(const SQLParseNodeParameter& rParam, std::u16string_view rString)
+{
+    css::util::Time aTime = DBTypeConversion::toTime(rString);
+    Reference< XNumberFormatsSupplier >  xSupplier(rParam.xFormatter->getNumberFormatsSupplier());
+
+    Reference< XNumberFormatTypes >  xTypes(xSupplier->getNumberFormats(), UNO_QUERY);
+
+    double fTime = DBTypeConversion::toDouble(aTime);
+    sal_Int32 nKey = xTypes->getFormatIndex(NumberFormatIndex::TIME_HHMMSS, rParam.rLocale);
+    return rParam.xFormatter->convertNumberToString(nKey, fTime);
+}
+
+
+void OSQLParseNode::parseNodeToStr(OUString& rString,
+                                   const Reference< XConnection >& _rxConnection,
+                                   const IParseContext* pContext,
+                                   bool _bIntl,
+                                   bool _bQuote) const
+{
+    parseNodeToStr(
+        rString, _rxConnection, nullptr, nullptr, OUString(),
+        pContext ? pContext->getPreferredLocale() : OParseContext::getDefaultLocale(),
+        pContext, _bIntl, _bQuote, OUString("."), false );
+}
+
+
+void OSQLParseNode::parseNodeToPredicateStr(OUString& rString,
+                                              const Reference< XConnection >& _rxConnection,
+                                              const Reference< XNumberFormatter > & xFormatter,
+                                              const css::lang::Locale& rIntl,
+                                              OUString _sDec,
+                                              const IParseContext* pContext ) const
+{
+    OSL_ENSURE(xFormatter.is(), "OSQLParseNode::parseNodeToPredicateStr:: no formatter!");
+
+    if (xFormatter.is())
+        parseNodeToStr(rString, _rxConnection, xFormatter, nullptr, OUString(), rIntl, pContext, true, true, _sDec, true);
+}
+
+
+void OSQLParseNode::parseNodeToPredicateStr(OUString& rString,
+                                              const Reference< XConnection > & _rxConnection,
+                                              const Reference< XNumberFormatter > & xFormatter,
+                                              const Reference< XPropertySet > & _xField,
+                                              const OUString &_sPredicateTableAlias,
+                                              const css::lang::Locale& rIntl,
+                                              OUString _sDec,
+                                              const IParseContext* pContext ) const
+{
+    OSL_ENSURE(xFormatter.is(), "OSQLParseNode::parseNodeToPredicateStr:: no formatter!");
+
+    if (xFormatter.is())
+        parseNodeToStr( rString, _rxConnection, xFormatter, _xField, _sPredicateTableAlias, rIntl, pContext, true, true, _sDec, true );
+}
+
+
+void OSQLParseNode::parseNodeToStr(OUString& rString,
+                      const Reference< XConnection > & _rxConnection,
+                      const Reference< XNumberFormatter > & xFormatter,
+                      const Reference< XPropertySet > & _xField,
+                      const OUString &_sPredicateTableAlias,
+                      const css::lang::Locale& rIntl,
+                      const IParseContext* pContext,
+                      bool _bIntl,
+                      bool _bQuote,
+                      OUString _sDecSep,
+                      bool _bPredicate) const
+{
+    OSL_ENSURE( _rxConnection.is(), "OSQLParseNode::parseNodeToStr: invalid connection!" );
+
+    if ( !_rxConnection.is() )
+        return;
+
+    OUStringBuffer sBuffer(rString);
+    try
+    {
+        OSQLParseNode::impl_parseNodeToString_throw( sBuffer,
+            SQLParseNodeParameter(
+                 _rxConnection, xFormatter, _xField, _sPredicateTableAlias, rIntl, pContext,
+                _bIntl, _bQuote, _sDecSep, _bPredicate, false
+            ) );
+    }
+    catch( const SQLException& )
+    {
+        SAL_WARN( "connectivity.parse", "OSQLParseNode::parseNodeToStr: this should not throw!" );
+        // our callers don't expect this method to throw anything. The only known situation
+        // where impl_parseNodeToString_throw can throw is when there is a cyclic reference
+        // in the sub queries, but this cannot be the case here, as we do not parse to
+        // SDBC level.
+    }
+    rString = sBuffer.makeStringAndClear();
+}
+
+bool OSQLParseNode::parseNodeToExecutableStatement( OUString& _out_rString, const Reference< XConnection >& _rxConnection,
+    OSQLParser& _rParser, css::sdbc::SQLException* _pErrorHolder ) const
+{
+    OSL_PRECOND( _rxConnection.is(), "OSQLParseNode::parseNodeToExecutableStatement: invalid connection!" );
+    SQLParseNodeParameter aParseParam( _rxConnection,
+        nullptr, nullptr, OUString(), OParseContext::getDefaultLocale(), nullptr, false, true, OUString("."), false, true );
+
+    if ( aParseParam.aMetaData.supportsSubqueriesInFrom() )
+    {
+        Reference< XQueriesSupplier > xSuppQueries( _rxConnection, UNO_QUERY );
+        OSL_ENSURE( xSuppQueries.is(), "OSQLParseNode::parseNodeToExecutableStatement: cannot substitute everything without a QueriesSupplier!" );
+        if ( xSuppQueries.is() )
+            aParseParam.xQueries = xSuppQueries->getQueries();
+    }
+
+    aParseParam.pParser = &_rParser;
+
+    // LIMIT keyword differs in Firebird
+    OSQLParseNode* pTableExp = getChild(3);
+    Reference< XDatabaseMetaData > xMeta( _rxConnection->getMetaData() );
+    OUString sLimitValue;
+    if( pTableExp->getChild(6)->count() >= 2 && pTableExp->getChild(6)->getChild(1)
+            && (xMeta->getURL().equalsIgnoreAsciiCase("sdbc:embedded:firebird")
+                || xMeta->getURL().startsWithIgnoreAsciiCase("sdbc:firebird:")))
+    {
+        sLimitValue = pTableExp->getChild(6)->getChild(1)->getTokenValue();
+        delete pTableExp->removeAt(6);
+    }
+
+    _out_rString.clear();
+    OUStringBuffer sBuffer;
+    bool bSuccess = false;
+    try
+    {
+        impl_parseNodeToString_throw( sBuffer, aParseParam );
+        bSuccess = true;
+    }
+    catch( const SQLException& e )
+    {
+        if ( _pErrorHolder )
+            *_pErrorHolder = e;
+    }
+
+    if(sLimitValue.getLength() > 0)
+    {
+        constexpr char SELECT_KEYWORD[] = "SELECT";
+        sBuffer.insert(sBuffer.indexOf(SELECT_KEYWORD) + strlen(SELECT_KEYWORD),
+                OUStringConcatenation(" FIRST " + sLimitValue));
+    }
+
+    _out_rString = sBuffer.makeStringAndClear();
+    return bSuccess;
+}
+
+
+namespace
+{
+    bool lcl_isAliasNamePresent( const OSQLParseNode& _rTableNameNode )
+    {
+        return !OSQLParseNode::getTableRange(_rTableNameNode.getParent()).isEmpty();
+    }
+}
+
+
+void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const SQLParseNodeParameter& rParam, bool bSimple) const
+{
+    if ( isToken() )
+    {
+        parseLeaf(rString,rParam);
+        return;
+    }
+
+    // Lets see how many nodes this subtree has
+    sal_uInt32 nCount = count();
+
+    bool bHandled = false;
+    switch ( getKnownRuleID() )
+    {
+    // special handling for parameters
+    case parameter:
+    {
+        bSimple=false;
+        if(!rString.isEmpty())
+            rString.append(" ");
+        if (nCount == 1)    // ?
+            m_aChildren[0]->impl_parseNodeToString_throw( rString, rParam, false );
+        else if (rParam.bParseToSDBCLevel && rParam.aMetaData.shouldSubstituteParameterNames())
+        {
+            rString.append("?");
+        }
+        else if (nCount == 2)   // :Name
+        {
+            m_aChildren[0]->impl_parseNodeToString_throw( rString, rParam, false );
+            rString.append(m_aChildren[1]->m_aNodeValue);
+        }                   // [Name]
+        else
+        {
+            assert (nCount == 3);
+            m_aChildren[0]->impl_parseNodeToString_throw( rString, rParam, false );
+            rString.append(m_aChildren[1]->m_aNodeValue);
+            rString.append(m_aChildren[2]->m_aNodeValue);
+        }
+        bHandled = true;
+    }
+    break;
+
+    // table refs
+    case table_ref:
+        bSimple=false;
+        if (  ( nCount == 2 ) || ( nCount == 3 ) || ( nCount == 5 ) )
+        {
+            impl_parseTableRangeNodeToString_throw( rString, rParam );
+            bHandled = true;
+        }
+        break;
+
+    // table name - might be a query name
+    case table_name:
+        bSimple=false;
+        bHandled = impl_parseTableNameNodeToString_throw( rString, rParam );
+        break;
+
+    case as_clause:
+        bSimple=false;
+        assert(nCount == 0 || nCount == 2);
+        if (nCount == 2)
+        {
+            if ( rParam.aMetaData.generateASBeforeCorrelationName() )
+                rString.append(" AS ");
+            m_aChildren[1]->impl_parseNodeToString_throw( rString, rParam, false );
+        }
+        bHandled = true;
+        break;
+
+    case opt_as:
+        assert(nCount == 0);
+        bHandled = true;
+        break;
+
+    case like_predicate:
+        // Depending on whether international is given, LIKE is treated differently
+        // international: *, ? are placeholders
+        // else SQL92 conform: %, _
+        impl_parseLikeNodeToString_throw( rString, rParam, bSimple );
+        bHandled = true;
+        break;
+
+    case general_set_fct:
+    case set_fct_spec:
+    case position_exp:
+    case extract_exp:
+    case length_exp:
+    case char_value_fct:
+        bSimple=false;
+        if (!addDateValue(rString, rParam))
+        {
+            // Do not quote function name
+            SQLParseNodeParameter aNewParam(rParam);
+            aNewParam.bQuote = ( SQL_ISRULE(this,length_exp)    || SQL_ISRULE(this,char_value_fct) );
+
+            m_aChildren[0]->impl_parseNodeToString_throw( rString, aNewParam, false );
+            aNewParam.bQuote = rParam.bQuote;
+            //aNewParam.bPredicate = sal_False; // disable [ ] around names // look at i73215
+            OUStringBuffer aStringPara;
+            for (sal_uInt32 i=1; i<nCount; i++)
+            {
+                const OSQLParseNode * pSubTree = m_aChildren[i].get();
+                if (pSubTree)
+                {
+                    pSubTree->impl_parseNodeToString_throw( aStringPara, aNewParam, false );
+
+                    // In the comma lists, put commas in-between all subtrees
+                    if ((m_eNodeType == SQLNodeType::CommaListRule)     && (i < (nCount - 1)))
+                        aStringPara.append(",");
+                }
+                else
+                    i++;
+            }
+            rString.append(aStringPara);
+        }
+        bHandled = true;
+        break;
+    case odbc_call_spec:
+    case subquery:
+    case term:
+    case factor:
+    case window_function:
+    case cast_spec:
+    case num_value_exp:
+        bSimple = false;
+        break;
+    default:
+        break;
+    }   // switch ( getKnownRuleID() )
+
+    if ( bHandled )
+        return;
+
+    for (auto i = m_aChildren.begin(); i != m_aChildren.end();)
+    {
+        const OSQLParseNode* pSubTree = i->get();
+        if ( !pSubTree )
+        {
+            ++i;
+            continue;
+        }
+
+        SQLParseNodeParameter aNewParam(rParam);
+
+        // don't replace the field for subqueries
+        if (rParam.xField.is() && SQL_ISRULE(pSubTree,subquery))
+            aNewParam.xField = nullptr;
+
+        // When we are building a criterion inside a query view,
+        // simplify criterion display by removing:
+        //   "currentFieldName"
+        //   "currentFieldName" =
+        // but only in simple expressions.
+        // This means anything that is made of:
+        // (see the rules conditionalised by inPredicateCheck() in sqlbison.y).
+        //  - parentheses
+        //  - logical operators (and, or, not)
+        //  - comparison operators (IS, =, >, <, BETWEEN, LIKE, ...)
+        // but *not* e.g. in function arguments
+        if (bSimple && rParam.bPredicate && rParam.xField.is() && SQL_ISRULE(pSubTree,column_ref))
+        {
+            if (columnMatchP(pSubTree, rParam))
+            {
+                // skip field
+                ++i;
+                // if the following node is the comparison operator'=',
+                // we filter it as well
+                if (SQL_ISRULE(this, comparison_predicate))
+                {
+                    if(i != m_aChildren.end())
+                    {
+                        pSubTree = i->get();
+                        if (pSubTree && pSubTree->getNodeType() == SQLNodeType::Equal)
+                            ++i;
+                    }
+                }
+            }
+            else
+            {
+                pSubTree->impl_parseNodeToString_throw( rString, aNewParam, bSimple );
+                ++i;
+
+                // In the comma lists, put commas in-between all subtrees
+                if ((m_eNodeType == SQLNodeType::CommaListRule)     && (i != m_aChildren.end()))
+                    rString.append(",");
+            }
+        }
+        else
+        {
+            pSubTree->impl_parseNodeToString_throw( rString, aNewParam, bSimple );
+            ++i;
+
+            // In the comma lists, put commas in-between all subtrees
+            if ((m_eNodeType == SQLNodeType::CommaListRule)     && (i != m_aChildren.end()))
+            {
+                if (SQL_ISRULE(this,value_exp_commalist) && rParam.bPredicate)
+                    rString.append(";");
+                else
+                    rString.append(",");
+            }
+        }
+        // The right hand-side of these operators is not simple
+        switch ( getKnownRuleID() )
+        {
+        case general_set_fct:
+        case set_fct_spec:
+        case position_exp:
+        case extract_exp:
+        case length_exp:
+        case char_value_fct:
+        case odbc_call_spec:
+        case subquery:
+        case comparison_predicate:
+        case between_predicate:
+        case like_predicate:
+        case test_for_null:
+        case in_predicate:
+        case existence_test:
+        case unique_test:
+        case all_or_any_predicate:
+        case join_condition:
+        case comparison_predicate_part_2:
+        case parenthesized_boolean_value_expression:
+        case other_like_predicate_part_2:
+        case between_predicate_part_2:
+            bSimple=false;
+            break;
+        default:
+            break;
+        }
+    }
+}
+
+
+bool OSQLParseNode::impl_parseTableNameNodeToString_throw( OUStringBuffer& rString, const SQLParseNodeParameter& rParam ) const
+{
+    // is the table_name part of a table_ref?
+    OSL_ENSURE( getParent(), "OSQLParseNode::impl_parseTableNameNodeToString_throw: table_name without parent?" );
+    if ( !getParent() || ( getParent()->getKnownRuleID() != table_ref ) )
+        return false;
+
+    // if it's a query, maybe we need to substitute the SQL statement ...
+    if ( !rParam.bParseToSDBCLevel )
+        return false;
+
+    if ( !rParam.xQueries.is() )
+        // connection does not support queries in queries, or was no query supplier
+        return false;
+
+    try
+    {
+        OUString sTableOrQueryName( getChild(0)->getTokenValue() );
+        bool bIsQuery = rParam.xQueries->hasByName( sTableOrQueryName );
+        if ( !bIsQuery )
+            return false;
+
+        // avoid recursion (e.g. "foo" defined as "SELECT * FROM bar" and "bar" defined as "SELECT * FROM foo".
+        if ( rParam.pSubQueryHistory->find( sTableOrQueryName ) != rParam.pSubQueryHistory->end() )
+        {
+            OSL_ENSURE( rParam.pParser, "OSQLParseNode::impl_parseTableNameNodeToString_throw: no parser?" );
+            if ( rParam.pParser )
+            {
+                const SQLError& rErrors( rParam.pParser->getErrorHelper() );
+                rErrors.raiseException( sdb::ErrorCondition::PARSER_CYCLIC_SUB_QUERIES );
+            }
+            else
+            {
+                SQLError aErrors;
+                aErrors.raiseException( sdb::ErrorCondition::PARSER_CYCLIC_SUB_QUERIES );
+            }
+        }
+        rParam.pSubQueryHistory->insert( sTableOrQueryName );
+
+        Reference< XPropertySet > xQuery( rParam.xQueries->getByName( sTableOrQueryName ), UNO_QUERY_THROW );
+
+        // substitute the query name with the constituting command
+        OUString sCommand;
+        OSL_VERIFY( xQuery->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_COMMAND ) ) >>= sCommand );
+
+        bool bEscapeProcessing = false;
+        OSL_VERIFY( xQuery->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_ESCAPEPROCESSING ) ) >>= bEscapeProcessing );
+
+        // the query we found here might itself be based on another query, so parse it recursively
+        OSL_ENSURE( rParam.pParser, "OSQLParseNode::impl_parseTableNameNodeToString_throw: cannot analyze sub queries without a parser!" );
+        if ( bEscapeProcessing && rParam.pParser )
+        {
+            OUString sError;
+            std::unique_ptr< OSQLParseNode > pSubQueryNode( rParam.pParser->parseTree( sError, sCommand ) );
+            if (pSubQueryNode)
+            {
+                // parse the sub-select to SDBC level, too
+                OUStringBuffer sSubSelect;
+                pSubQueryNode->impl_parseNodeToString_throw( sSubSelect, rParam, false );
+                if ( !sSubSelect.isEmpty() )
+                    sCommand = sSubSelect.makeStringAndClear();
+            }
+        }
+
+        rString.append( " ( " );
+        rString.append(sCommand);
+        rString.append( " )" );
+
+        // append the query name as table alias, since it might be referenced in other
+        // parts of the statement - but only if there's no other alias name present
+        if ( !lcl_isAliasNamePresent( *this ) )
+        {
+            rString.append( " AS " );
+            if ( rParam.bQuote )
+                rString.append(SetQuotation( sTableOrQueryName,
+                    rParam.aMetaData.getIdentifierQuoteString(), rParam.aMetaData.getIdentifierQuoteString() ));
+        }
+
+        // don't forget to remove the query name from the history, else multiple inclusions
+        // won't work
+        // #i69227# / 2006-10-10 / frank.schoenheit@sun.com
+        rParam.pSubQueryHistory->erase( sTableOrQueryName );
+
+        return true;
+    }
+    catch( const SQLException& )
+    {
+        throw;
+    }
+    catch( const Exception& )
+    {
+        DBG_UNHANDLED_EXCEPTION("connectivity.parse");
+    }
+    return false;
+}
+
+
+void OSQLParseNode::impl_parseTableRangeNodeToString_throw(OUStringBuffer& rString, const SQLParseNodeParameter& rParam) const
+{
+    OSL_PRECOND(  ( count() == 2 ) || ( count() == 3 ) || ( count() == 5 ) ,"Illegal count");
+
+    // rString += " ";
+    std::for_each(m_aChildren.begin(),m_aChildren.end(),
+        [&] (std::unique_ptr<OSQLParseNode> const & pNode) { pNode->impl_parseNodeToString_throw(rString, rParam, false); });
+}
+
+
+void OSQLParseNode::impl_parseLikeNodeToString_throw( OUStringBuffer& rString, const SQLParseNodeParameter& rParam, bool bSimple ) const
+{
+    assert(SQL_ISRULE(this,like_predicate));
+    OSL_ENSURE(count() == 2,"count != 2: Prepare for GPF");
+
+    const OSQLParseNode* pEscNode = nullptr;
+    const OSQLParseNode* pParaNode = nullptr;
+
+    SQLParseNodeParameter aNewParam(rParam);
+    //aNewParam.bQuote = sal_True; // why setting this to true? @see https://bz.apache.org/ooo/show_bug.cgi?id=75557
+
+    if ( !(bSimple && rParam.bPredicate && rParam.xField.is() && SQL_ISRULE(m_aChildren[0],column_ref) && columnMatchP(m_aChildren[0].get(), rParam)) )
+        m_aChildren[0]->impl_parseNodeToString_throw( rString, aNewParam, bSimple );
+
+    const OSQLParseNode* pPart2 = m_aChildren[1].get();
+    pPart2->getChild(0)->impl_parseNodeToString_throw( rString, aNewParam, false );
+    pPart2->getChild(1)->impl_parseNodeToString_throw( rString, aNewParam, false );
+    pParaNode = pPart2->getChild(2);
+    pEscNode  = pPart2->getChild(3);
+
+    if (pParaNode->isToken())
+    {
+        OUString aStr = ConvertLikeToken(pParaNode, pEscNode, rParam.bInternational);
+        rString.append(" ");
+        rString.append(SetQuotation(aStr, "\'", u"\'\'"));
+    }
+    else
+        pParaNode->impl_parseNodeToString_throw( rString, aNewParam, false );
+
+    pEscNode->impl_parseNodeToString_throw( rString, aNewParam, false );
+}
+
+
+bool OSQLParseNode::getTableComponents(const OSQLParseNode* _pTableNode,
+                                            css::uno::Any &_rCatalog,
+                                            OUString &_rSchema,
+                                            OUString &_rTable,
+                                            const Reference< XDatabaseMetaData >& _xMetaData)
+{
+    OSL_ENSURE(_pTableNode,"Wrong use of getTableComponents! _pTableNode is not allowed to be null!");
+    if(_pTableNode)
+    {
+        const bool bSupportsCatalog = _xMetaData.is() && _xMetaData->supportsCatalogsInDataManipulation();
+        const bool bSupportsSchema = _xMetaData.is() && _xMetaData->supportsSchemasInDataManipulation();
+        const OSQLParseNode* pTableNode = _pTableNode;
+        // clear the parameter given
+        _rCatalog = Any();
+        _rSchema.clear();
+        _rTable.clear();
+        // see rule catalog_name: in sqlbison.y
+        if (SQL_ISRULE(pTableNode,catalog_name))
+        {
+            OSL_ENSURE(pTableNode->getChild(0) && pTableNode->getChild(0)->isToken(),"Invalid parsenode!");
+            _rCatalog <<= pTableNode->getChild(0)->getTokenValue();
+            pTableNode = pTableNode->getChild(2);
+        }
+        // check if we have schema_name rule
+        if(SQL_ISRULE(pTableNode,schema_name))
+        {
+            if ( bSupportsCatalog && !bSupportsSchema )
+                _rCatalog <<= pTableNode->getChild(0)->getTokenValue();
+            else
+                _rSchema = pTableNode->getChild(0)->getTokenValue();
+            pTableNode = pTableNode->getChild(2);
+        }
+        // check if we have table_name rule
+        if(SQL_ISRULE(pTableNode,table_name))
+        {
+            _rTable = pTableNode->getChild(0)->getTokenValue();
+        }
+        else
+        {
+            SAL_WARN( "connectivity.parse","Error in parse tree!");
+        }
+    }
+    return !_rTable.isEmpty();
+}
+
+void OSQLParser::killThousandSeparator(OSQLParseNode* pLiteral)
+{
+    if ( pLiteral )
+    {
+        if ( s_xLocaleData->getLocaleItem( m_pData->aLocale ).decimalSeparator.toChar() == ',' )
+        {
+            pLiteral->m_aNodeValue = pLiteral->m_aNodeValue.replace('.', sal_Unicode());
+            // and replace decimal
+            pLiteral->m_aNodeValue = pLiteral->m_aNodeValue.replace(',', '.');
+        }
+        else
+            pLiteral->m_aNodeValue = pLiteral->m_aNodeValue.replace(',', sal_Unicode());
+    }
+}
+
+OSQLParseNode* OSQLParser::convertNode(sal_Int32 nType, OSQLParseNode* pLiteral)
+{
+    if ( !pLiteral )
+        return nullptr;
+
+    OSQLParseNode* pReturn = pLiteral;
+
+    if ( ( pLiteral->isRule() && !SQL_ISRULE(pLiteral,value_exp) ) || SQL_ISTOKEN(pLiteral,FALSE) || SQL_ISTOKEN(pLiteral,TRUE) )
+    {
+        switch(nType)
+        {
+            case DataType::CHAR:
+            case DataType::VARCHAR:
+            case DataType::LONGVARCHAR:
+            case DataType::CLOB:
+                if ( !SQL_ISRULE(pReturn,char_value_exp) && !buildStringNodes(pReturn) )
+                    pReturn = nullptr;
+                break;
+            default:
+                break;
+        }
+    }
+    else
+    {
+        switch(pLiteral->getNodeType())
+        {
+        case SQLNodeType::String:
+            switch(nType)
+            {
+                case DataType::CHAR:
+                case DataType::VARCHAR:
+                case DataType::LONGVARCHAR:
+                case DataType::CLOB:
+                    break;
+                case DataType::DATE:
+                case DataType::TIME:
+                case DataType::TIMESTAMP:
+                    if (m_xFormatter.is())
+                        pReturn = buildDate( nType, pReturn);
+                    break;
+                default:
+                    m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::InvalidCompare);
+                    break;
+            }
+            break;
+        case SQLNodeType::AccessDate:
+            switch(nType)
+            {
+                case DataType::DATE:
+                case DataType::TIME:
+                case DataType::TIMESTAMP:
+                    if ( m_xFormatter.is() )
+                        pReturn = buildDate( nType, pReturn);
+                    else
+                        m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::InvalidDateCompare);
+                    break;
+                default:
+                    m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::InvalidCompare);
+                    break;
+            }
+            break;
+        case SQLNodeType::IntNum:
+            switch(nType)
+            {
+                case DataType::BIT:
+                case DataType::BOOLEAN:
+                case DataType::DECIMAL:
+                case DataType::NUMERIC:
+                case DataType::TINYINT:
+                case DataType::SMALLINT:
+                case DataType::INTEGER:
+                case DataType::BIGINT:
+                case DataType::FLOAT:
+                case DataType::REAL:
+                case DataType::DOUBLE:
+                    // kill thousand separators if any
+                    killThousandSeparator(pReturn);
+                    break;
+                case DataType::CHAR:
+                case DataType::VARCHAR:
+                case DataType::LONGVARCHAR:
+                case DataType::CLOB:
+                    pReturn = buildNode_STR_NUM(pReturn);
+                    break;
+                default:
+                    m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::InvalidIntCompare);
+                    break;
+            }
+            break;
+        case SQLNodeType::ApproxNum:
+            switch(nType)
+            {
+                case DataType::DECIMAL:
+                case DataType::NUMERIC:
+                case DataType::FLOAT:
+                case DataType::REAL:
+                case DataType::DOUBLE:
+                    // kill thousand separators if any
+                    killThousandSeparator(pReturn);
+                    break;
+                case DataType::CHAR:
+                case DataType::VARCHAR:
+                case DataType::LONGVARCHAR:
+                case DataType::CLOB:
+                    pReturn = buildNode_STR_NUM(pReturn);
+                    break;
+                case DataType::INTEGER:
+                default:
+                    m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::InvalidRealCompare);
+                    break;
+            }
+            break;
+        default:
+            ;
+        }
+    }
+    return pReturn;
+}
+
+sal_Int16 OSQLParser::buildPredicateRule(OSQLParseNode*& pAppend, OSQLParseNode* pLiteral, OSQLParseNode* pCompare, OSQLParseNode* pLiteral2)
+{
+    OSL_ENSURE(inPredicateCheck(),"Only in predicate check allowed!");
+    sal_Int16 nErg = 0;
+    if ( m_xField.is() )
+    {
+        sal_Int32 nType = 0;
+        try
+        {
+            m_xField->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE)) >>= nType;
+        }
+        catch( Exception& )
+        {
+            return nErg;
+        }
+
+        OSQLParseNode* pNode1 = convertNode(nType,pLiteral);
+        if ( pNode1 )
+        {
+            OSQLParseNode* pNode2 = convertNode(nType,pLiteral2);
+            if ( m_sErrorMessage.isEmpty() )
+                nErg = buildNode(pAppend,pCompare,pNode1,pNode2);
+        }
+    }
+    if (!pCompare->getParent()) // I have no parent so I was not used and I must die :-)
+        delete pCompare;
+    return nErg;
+}
+
+sal_Int16 OSQLParser::buildLikeRule(OSQLParseNode* pAppend, OSQLParseNode*& pLiteral, const OSQLParseNode* pEscape)
+{
+    sal_Int16 nErg = 0;
+    sal_Int32 nType = 0;
+
+    if (!m_xField.is())
+        return nErg;
+    try
+    {
+        Any aValue;
+        {
+            aValue = m_xField->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE));
+            aValue >>= nType;
+        }
+    }
+    catch( Exception& )
+    {
+        return nErg;
+    }
+
+    switch (nType)
+    {
+        case DataType::CHAR:
+        case DataType::VARCHAR:
+        case DataType::LONGVARCHAR:
+        case DataType::CLOB:
+            if(pLiteral->isRule())
+            {
+                pAppend->append(pLiteral);
+                nErg = 1;
+            }
+            else
+            {
+                switch(pLiteral->getNodeType())
+                {
+                    case SQLNodeType::String:
+                        pLiteral->m_aNodeValue = ConvertLikeToken(pLiteral, pEscape, false);
+                        pAppend->append(pLiteral);
+                        nErg = 1;
+                        break;
+                    case SQLNodeType::ApproxNum:
+                        if (m_xFormatter.is() && m_nFormatKey)
+                        {
+                            sal_Int16 nScale = 0;
+                            try
+                            {
+                                Any aValue = getNumberFormatProperty( m_xFormatter, m_nFormatKey, "Decimals" );
+                                aValue >>= nScale;
+                            }
+                            catch( Exception& )
+                            {
+                            }
+
+                            pAppend->append(new OSQLInternalNode(stringToDouble(pLiteral->getTokenValue(),nScale),SQLNodeType::String));
+                        }
+                        else
+                            pAppend->append(new OSQLInternalNode(pLiteral->getTokenValue(),SQLNodeType::String));
+
+                        delete pLiteral;
+                        nErg = 1;
+                        break;
+                    default:
+                        m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::ValueNoLike);
+                        m_sErrorMessage = m_sErrorMessage.replaceAt(m_sErrorMessage.indexOf("#1"),2,pLiteral->getTokenValue());
+                        break;
+                }
+            }
+            break;
+        default:
+            m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::FieldNoLike);
+            break;
+    }
+    return nErg;
+}
+
+OSQLParseNode* OSQLParser::buildNode_Date(const double& fValue, sal_Int32 nType)
+{
+    OSQLParseNode* pNewNode = new OSQLInternalNode("", SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::set_fct_spec));
+    pNewNode->append(new OSQLInternalNode("{", SQLNodeType::Punctuation));
+    OSQLParseNode* pDateNode = new OSQLInternalNode("", SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::odbc_fct_spec));
+    pNewNode->append(pDateNode);
+    pNewNode->append(new OSQLInternalNode("}", SQLNodeType::Punctuation));
+
+    switch (nType)
+    {
+        case DataType::DATE:
+        {
+            Date aDate = DBTypeConversion::toDate(fValue,DBTypeConversion::getNULLDate(m_xFormatter->getNumberFormatsSupplier()));
+            OUString aString = DBTypeConversion::toDateString(aDate);
+            pDateNode->append(new OSQLInternalNode("", SQLNodeType::Keyword, SQL_TOKEN_D));
+            pDateNode->append(new OSQLInternalNode(aString, SQLNodeType::String));
+            break;
+        }
+        case DataType::TIME:
+        {
+            css::util::Time aTime = DBTypeConversion::toTime(fValue);
+            OUString aString = DBTypeConversion::toTimeString(aTime);
+            pDateNode->append(new OSQLInternalNode("", SQLNodeType::Keyword, SQL_TOKEN_T));
+            pDateNode->append(new OSQLInternalNode(aString, SQLNodeType::String));
+            break;
+        }
+        case DataType::TIMESTAMP:
+        {
+            DateTime aDateTime = DBTypeConversion::toDateTime(fValue,DBTypeConversion::getNULLDate(m_xFormatter->getNumberFormatsSupplier()));
+            if (aDateTime.Seconds || aDateTime.Minutes || aDateTime.Hours)
+            {
+                OUString aString = DBTypeConversion::toDateTimeString(aDateTime);
+                pDateNode->append(new OSQLInternalNode("", SQLNodeType::Keyword, SQL_TOKEN_TS));
+                pDateNode->append(new OSQLInternalNode(aString, SQLNodeType::String));
+            }
+            else
+            {
+                Date aDate(aDateTime.Day,aDateTime.Month,aDateTime.Year);
+                pDateNode->append(new OSQLInternalNode("", SQLNodeType::Keyword, SQL_TOKEN_D));
+                pDateNode->append(new OSQLInternalNode(DBTypeConversion::toDateString(aDate), SQLNodeType::String));
+            }
+            break;
+        }
+    }
+
+    return pNewNode;
+}
+
+OSQLParseNode* OSQLParser::buildNode_STR_NUM(OSQLParseNode*& _pLiteral)
+{
+    OSQLParseNode* pReturn = nullptr;
+    if ( _pLiteral )
+    {
+        if (m_nFormatKey)
+        {
+            sal_Int16 nScale = 0;
+            try
+            {
+                Any aValue = getNumberFormatProperty( m_xFormatter, m_nFormatKey, "Decimals" );
+                aValue >>= nScale;
+            }
+            catch( Exception& )
+            {
+            }
+
+            pReturn = new OSQLInternalNode(stringToDouble(_pLiteral->getTokenValue(),nScale),SQLNodeType::String);
+        }
+        else
+            pReturn = new OSQLInternalNode(_pLiteral->getTokenValue(),SQLNodeType::String);
+
+        delete _pLiteral;
+        _pLiteral = nullptr;
+    }
+    return pReturn;
+}
+
+OUString OSQLParser::stringToDouble(const OUString& _rValue,sal_Int16 _nScale)
+{
+    OUString aValue;
+    if(!m_xCharClass.is())
+        m_xCharClass  = CharacterClassification::create( m_xContext );
+    if( s_xLocaleData.is() )
+    {
+        try
+        {
+            ParseResult aResult = m_xCharClass->parsePredefinedToken(KParseType::ANY_NUMBER,_rValue,0,m_pData->aLocale,0,OUString(),KParseType::ANY_NUMBER,OUString());
+            if((aResult.TokenType & KParseType::IDENTNAME) && aResult.EndPos == _rValue.getLength())
+            {
+                aValue = OUString::number(aResult.Value);
+                sal_Int32 nPos = aValue.lastIndexOf('.');
+                if((nPos+_nScale) < aValue.getLength())
+                    aValue = aValue.replaceAt(nPos+_nScale,aValue.getLength()-nPos-_nScale, u"");
+                aValue = aValue.replaceAt(aValue.lastIndexOf('.'),1,s_xLocaleData->getLocaleItem(m_pData->aLocale).decimalSeparator);
+                return aValue;
+            }
+        }
+        catch(Exception&)
+        {
+        }
+    }
+    return aValue;
+}
+
+
+::osl::Mutex& OSQLParser::getMutex()
+{
+    static ::osl::Mutex aMutex;
+    return aMutex;
+}
+
+
+std::unique_ptr<OSQLParseNode> OSQLParser::predicateTree(OUString& rErrorMessage, const OUString& rStatement,
+                                         const Reference< css::util::XNumberFormatter > & xFormatter,
+                                         const Reference< XPropertySet > & xField,
+                                         bool bUseRealName)
+{
+    // Guard the parsing
+    ::osl::MutexGuard aGuard(getMutex());
+    // must be reset
+    setParser(this);
+
+
+    // reset the parser
+    m_xField        = xField;
+    m_xFormatter    = xFormatter;
+
+    if (m_xField.is())
+    {
+        sal_Int32 nType=0;
+        try
+        {
+            // get the field name
+            OUString aString;
+
+            // retrieve the fields name
+            // #75243# use the RealName of the column if there is any otherwise the name which could be the alias
+            // of the field
+            Reference< XPropertySetInfo> xInfo = m_xField->getPropertySetInfo();
+            if ( bUseRealName && xInfo->hasPropertyByName(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_REALNAME)))
+                m_xField->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_REALNAME)) >>= aString;
+            else
+                m_xField->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aString;
+
+            m_sFieldName = aString;
+
+            // get the field format key
+            if ( xInfo->hasPropertyByName(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_FORMATKEY)))
+                m_xField->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_FORMATKEY)) >>= m_nFormatKey;
+            else
+                m_nFormatKey = 0;
+
+            // get the field type
+            m_xField->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE)) >>= nType;
+        }
+        catch ( Exception& )
+        {
+            OSL_ASSERT(false);
+        }
+
+        if (m_nFormatKey && m_xFormatter.is())
+        {
+            Any aValue = getNumberFormatProperty( m_xFormatter, m_nFormatKey, OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_LOCALE) );
+            OSL_ENSURE(aValue.getValueType() == cppu::UnoType<css::lang::Locale>::get(), "OSQLParser::PredicateTree : invalid language property !");
+
+            if (aValue.getValueType() == cppu::UnoType<css::lang::Locale>::get())
+                aValue >>= m_pData->aLocale;
+        }
+        else
+            m_pData->aLocale = m_pContext->getPreferredLocale();
+
+        if ( m_xFormatter.is() )
+        {
+            try
+            {
+                Reference< css::util::XNumberFormatsSupplier >  xFormatSup = m_xFormatter->getNumberFormatsSupplier();
+                if ( xFormatSup.is() )
+                {
+                    Reference< css::util::XNumberFormats >  xFormats = xFormatSup->getNumberFormats();
+                    if ( xFormats.is() )
+                    {
+                        css::lang::Locale aLocale;
+                        aLocale.Language = "en";
+                        aLocale.Country = "US";
+                        OUString sFormat("YYYY-MM-DD");
+                        m_nDateFormatKey = xFormats->queryKey(sFormat,aLocale,false);
+                        if ( m_nDateFormatKey == sal_Int32(-1) )
+                            m_nDateFormatKey = xFormats->addNew(sFormat, aLocale);
+                    }
+                }
+            }
+            catch ( Exception& )
+            {
+                SAL_WARN( "connectivity.parse","DateFormatKey");
+            }
+        }
+
+        switch (nType)
+        {
+            case DataType::DATE:
+            case DataType::TIME:
+            case DataType::TIMESTAMP:
+                s_pScanner->SetRule(OSQLScanner::GetDATERule());
+                break;
+            case DataType::CHAR:
+            case DataType::VARCHAR:
+            case DataType::LONGVARCHAR:
+            case DataType::CLOB:
+                s_pScanner->SetRule(OSQLScanner::GetSTRINGRule());
+                break;
+            default:
+                if ( s_xLocaleData->getLocaleItem( m_pData->aLocale ).decimalSeparator.toChar() == ',' )
+                    s_pScanner->SetRule(OSQLScanner::GetGERRule());
+                else
+                    s_pScanner->SetRule(OSQLScanner::GetENGRule());
+        }
+
+    }
+    else
+        s_pScanner->SetRule(OSQLScanner::GetSQLRule());
+
+    s_pScanner->prepareScan(rStatement, m_pContext, true);
+
+    SQLyylval.pParseNode = nullptr;
+    //  SQLyypvt = NULL;
+    m_pParseTree = nullptr;
+    m_sErrorMessage.clear();
+
+    // Start the parser
+    if (SQLyyparse() != 0)
+    {
+        m_sFieldName.clear();
+        m_xField.clear();
+        m_xFormatter.clear();
+        m_nFormatKey = 0;
+        m_nDateFormatKey = 0;
+
+        if (m_sErrorMessage.isEmpty())
+            m_sErrorMessage = s_pScanner->getErrorMessage();
+        if (m_sErrorMessage.isEmpty())
+            m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::General);
+
+        rErrorMessage = m_sErrorMessage;
+
+        // clear the garbage collector
+        (*s_pGarbageCollector)->clearAndDelete();
+        m_pParseTree.release(); // because the garbage collector deleted it
+        return nullptr;
+    }
+    else
+    {
+        (*s_pGarbageCollector)->clear();
+
+        m_sFieldName.clear();
+        m_xField.clear();
+        m_xFormatter.clear();
+        m_nFormatKey = 0;
+        m_nDateFormatKey = 0;
+
+        // Return the result (the root parse node):
+
+        // Instead, the parse method sets the member pParseTree and simply returns that
+        OSL_ENSURE(m_pParseTree != nullptr,"OSQLParser: Parser did not return a ParseTree!");
+        return std::move(m_pParseTree);
+    }
+}
+
+
+OSQLParser::OSQLParser(const css::uno::Reference< css::uno::XComponentContext >& rxContext, const IParseContext* _pContext)
+    :m_pContext(_pContext)
+    ,m_pData( new OSQLParser_Data )
+    ,m_nFormatKey(0)
+    ,m_nDateFormatKey(0)
+    ,m_xContext(rxContext)
+{
+
+
+    setParser(this);
+
+#ifdef SQLYYDEBUG
+#ifdef SQLYYDEBUG_ON
+    SQLyydebug = 1;
+#endif
+#endif
+
+    ::osl::MutexGuard aGuard(getMutex());
+    // Do we have to initialize the data?
+    if (s_nRefCount == 0)
+    {
+        s_pScanner = new OSQLScanner();
+        s_pScanner->setScanner();
+        s_pGarbageCollector = new OSQLParseNodesGarbageCollector();
+
+        if(!s_xLocaleData.is())
+            s_xLocaleData = LocaleData::create(m_xContext);
+
+        // reset to UNKNOWN_RULE
+        static_assert(OSQLParseNode::UNKNOWN_RULE==0, "UNKNOWN_RULE must be 0 for memset to 0 to work");
+        memset(OSQLParser::s_nRuleIDs,0,sizeof(OSQLParser::s_nRuleIDs));
+
+        const struct
+        {
+            OSQLParseNode::Rule eRule;      // the parse node's ID for the rule
+            OString      sRuleName;  // the name of the rule ("select_statement")
+        }   aRuleDescriptions[] =
+        {
+            { OSQLParseNode::select_statement, "select_statement" },
+            { OSQLParseNode::table_exp, "table_exp" },
+            { OSQLParseNode::table_ref_commalist, "table_ref_commalist" },
+            { OSQLParseNode::table_ref, "table_ref" },
+            { OSQLParseNode::catalog_name, "catalog_name" },
+            { OSQLParseNode::schema_name, "schema_name" },
+            { OSQLParseNode::table_name, "table_name" },
+            { OSQLParseNode::opt_column_commalist, "opt_column_commalist" },
+            { OSQLParseNode::column_commalist, "column_commalist" },
+            { OSQLParseNode::column_ref_commalist, "column_ref_commalist" },
+            { OSQLParseNode::column_ref, "column_ref" },
+            { OSQLParseNode::opt_order_by_clause, "opt_order_by_clause" },
+            { OSQLParseNode::ordering_spec_commalist, "ordering_spec_commalist" },
+            { OSQLParseNode::ordering_spec, "ordering_spec" },
+            { OSQLParseNode::opt_asc_desc, "opt_asc_desc" },
+            { OSQLParseNode::where_clause, "where_clause" },
+            { OSQLParseNode::opt_where_clause, "opt_where_clause" },
+            { OSQLParseNode::search_condition, "search_condition" },
+            { OSQLParseNode::comparison, "comparison" },
+            { OSQLParseNode::comparison_predicate, "comparison_predicate" },
+            { OSQLParseNode::between_predicate, "between_predicate" },
+            { OSQLParseNode::like_predicate, "like_predicate" },
+            { OSQLParseNode::opt_escape, "opt_escape" },
+            { OSQLParseNode::test_for_null, "test_for_null" },
+            { OSQLParseNode::scalar_exp_commalist, "scalar_exp_commalist" },
+            { OSQLParseNode::scalar_exp, "scalar_exp" },
+            { OSQLParseNode::parameter_ref, "parameter_ref" },
+            { OSQLParseNode::parameter, "parameter" },
+            { OSQLParseNode::general_set_fct, "general_set_fct" },
+            { OSQLParseNode::range_variable, "range_variable" },
+            { OSQLParseNode::column, "column" },
+            { OSQLParseNode::delete_statement_positioned, "delete_statement_positioned" },
+            { OSQLParseNode::delete_statement_searched, "delete_statement_searched" },
+            { OSQLParseNode::update_statement_positioned, "update_statement_positioned" },
+            { OSQLParseNode::update_statement_searched, "update_statement_searched" },
+            { OSQLParseNode::assignment_commalist, "assignment_commalist" },
+            { OSQLParseNode::assignment, "assignment" },
+            { OSQLParseNode::values_or_query_spec, "values_or_query_spec" },
+            { OSQLParseNode::insert_statement, "insert_statement" },
+            { OSQLParseNode::insert_atom_commalist, "insert_atom_commalist" },
+            { OSQLParseNode::insert_atom, "insert_atom" },
+            { OSQLParseNode::from_clause, "from_clause" },
+            { OSQLParseNode::qualified_join, "qualified_join" },
+            { OSQLParseNode::cross_union, "cross_union" },
+            { OSQLParseNode::select_sublist, "select_sublist" },
+            { OSQLParseNode::derived_column, "derived_column" },
+            { OSQLParseNode::column_val, "column_val" },
+            { OSQLParseNode::set_fct_spec, "set_fct_spec" },
+            { OSQLParseNode::boolean_term, "boolean_term" },
+            { OSQLParseNode::boolean_primary, "boolean_primary" },
+            { OSQLParseNode::num_value_exp, "num_value_exp" },
+            { OSQLParseNode::join_type, "join_type" },
+            { OSQLParseNode::position_exp, "position_exp" },
+            { OSQLParseNode::extract_exp, "extract_exp" },
+            { OSQLParseNode::length_exp, "length_exp" },
+            { OSQLParseNode::char_value_fct, "char_value_fct" },
+            { OSQLParseNode::odbc_call_spec, "odbc_call_spec" },
+            { OSQLParseNode::in_predicate, "in_predicate" },
+            { OSQLParseNode::existence_test, "existence_test" },
+            { OSQLParseNode::unique_test, "unique_test" },
+            { OSQLParseNode::all_or_any_predicate, "all_or_any_predicate" },
+            { OSQLParseNode::named_columns_join, "named_columns_join" },
+            { OSQLParseNode::join_condition, "join_condition" },
+            { OSQLParseNode::joined_table, "joined_table" },
+            { OSQLParseNode::boolean_factor, "boolean_factor" },
+            { OSQLParseNode::sql_not, "sql_not" },
+            { OSQLParseNode::manipulative_statement, "manipulative_statement" },
+            { OSQLParseNode::subquery, "subquery" },
+            { OSQLParseNode::value_exp_commalist, "value_exp_commalist" },
+            { OSQLParseNode::odbc_fct_spec, "odbc_fct_spec" },
+            { OSQLParseNode::union_statement, "union_statement" },
+            { OSQLParseNode::outer_join_type, "outer_join_type" },
+            { OSQLParseNode::char_value_exp, "char_value_exp" },
+            { OSQLParseNode::term, "term" },
+            { OSQLParseNode::value_exp_primary, "value_exp_primary" },
+            { OSQLParseNode::value_exp, "value_exp" },
+            { OSQLParseNode::selection, "selection" },
+            { OSQLParseNode::fold, "fold" },
+            { OSQLParseNode::char_substring_fct, "char_substring_fct" },
+            { OSQLParseNode::factor, "factor" },
+            { OSQLParseNode::base_table_def, "base_table_def" },
+            { OSQLParseNode::base_table_element_commalist, "base_table_element_commalist" },
+            { OSQLParseNode::data_type, "data_type" },
+            { OSQLParseNode::column_def, "column_def" },
+            { OSQLParseNode::table_node, "table_node" },
+            { OSQLParseNode::as_clause, "as_clause" },
+            { OSQLParseNode::opt_as, "opt_as" },
+            { OSQLParseNode::op_column_commalist, "op_column_commalist" },
+            { OSQLParseNode::table_primary_as_range_column, "table_primary_as_range_column" },
+            { OSQLParseNode::datetime_primary, "datetime_primary" },
+            { OSQLParseNode::concatenation, "concatenation" },
+            { OSQLParseNode::char_factor, "char_factor" },
+            { OSQLParseNode::bit_value_fct, "bit_value_fct" },
+            { OSQLParseNode::comparison_predicate_part_2, "comparison_predicate_part_2" },
+            { OSQLParseNode::parenthesized_boolean_value_expression, "parenthesized_boolean_value_expression" },
+            { OSQLParseNode::character_string_type, "character_string_type" },
+            { OSQLParseNode::other_like_predicate_part_2, "other_like_predicate_part_2" },
+            { OSQLParseNode::between_predicate_part_2, "between_predicate_part_2" },
+            { OSQLParseNode::null_predicate_part_2, "null_predicate_part_2" },
+            { OSQLParseNode::cast_spec, "cast_spec" },
+            { OSQLParseNode::window_function, "window_function" }
+        };
+        const size_t nRuleMapCount = std::size( aRuleDescriptions );
+        // added a new rule? Adjust this map!
+        // +1 for UNKNOWN_RULE
+        static_assert(nRuleMapCount + 1 == static_cast<size_t>(OSQLParseNode::rule_count), "must be equal");
+
+        for (const auto & aRuleDescription : aRuleDescriptions)
+        {
+            // look up the rule description in the our identifier map
+            sal_uInt32 nParserRuleID = StrToRuleID( aRuleDescription.sRuleName );
+            // map the parser's rule ID to the OSQLParseNode::Rule
+            s_aReverseRuleIDLookup[ nParserRuleID ] = aRuleDescription.eRule;
+            // and map the OSQLParseNode::Rule to the parser's rule ID
+            s_nRuleIDs[ aRuleDescription.eRule ] = nParserRuleID;
+        }
+    }
+    ++s_nRefCount;
+
+    if (m_pContext == nullptr)
+        // take the default context
+        m_pContext = &s_aDefaultContext;
+
+    m_pData->aLocale = m_pContext->getPreferredLocale();
+}
+
+
+OSQLParser::~OSQLParser()
+{
+    ::osl::MutexGuard aGuard(getMutex());
+    OSL_ENSURE(s_nRefCount > 0, "OSQLParser::~OSQLParser() : suspicious call : has a refcount of 0 !");
+    if (!--s_nRefCount)
+    {
+        s_pScanner->setScanner(true);
+        delete s_pScanner;
+        s_pScanner = nullptr;
+
+        delete s_pGarbageCollector;
+        s_pGarbageCollector = nullptr;
+        // Is only set the first time, so we should delete it only when there are no more instances
+        s_xLocaleData = nullptr;
+
+        RuleIDMap().swap(s_aReverseRuleIDLookup);
+    }
+    m_pParseTree = nullptr;
+}
+
+void OSQLParseNode::substituteParameterNames(OSQLParseNode const * _pNode)
+{
+    sal_Int32 nCount = _pNode->count();
+    for(sal_Int32 i=0;i < nCount;++i)
+    {
+        OSQLParseNode* pChildNode = _pNode->getChild(i);
+        if(SQL_ISRULE(pChildNode,parameter) && pChildNode->count() > 1)
+        {
+            OSQLParseNode* pNewNode = new OSQLParseNode("?" ,SQLNodeType::Punctuation,0);
+            delete pChildNode->replace(pChildNode->getChild(0),pNewNode);
+            sal_Int32 nChildCount = pChildNode->count();
+            for(sal_Int32 j=1;j < nChildCount;++j)
+                delete pChildNode->removeAt(1);
+        }
+        else
+            substituteParameterNames(pChildNode);
+
+    }
+}
+
+bool OSQLParser::extractDate(OSQLParseNode const * pLiteral,double& _rfValue)
+{
+    Reference< XNumberFormatsSupplier > xFormatSup = m_xFormatter->getNumberFormatsSupplier();
+    Reference< XNumberFormatTypes > xFormatTypes;
+    if ( xFormatSup.is() )
+        xFormatTypes.set(xFormatSup->getNumberFormats(), css::uno::UNO_QUERY);
+
+    // if there is no format key, yet, make sure we have a feasible one for our locale
+    try
+    {
+        if ( !m_nFormatKey && xFormatTypes.is() )
+            m_nFormatKey = ::dbtools::getDefaultNumberFormat( m_xField, xFormatTypes, m_pData->aLocale );
+    }
+    catch( Exception& ) { }
+    const OUString& sValue = pLiteral->getTokenValue();
+    sal_Int32 nTryFormat = m_nFormatKey;
+    bool bSuccess = lcl_saveConvertToNumber( m_xFormatter, nTryFormat, sValue, _rfValue );
+
+    // If our format key didn't do, try the default date format for our locale.
+    if ( !bSuccess && xFormatTypes.is() )
+    {
+        try
+        {
+            nTryFormat = xFormatTypes->getStandardFormat( NumberFormat::DATE, m_pData->aLocale );
+        }
+        catch( Exception& ) { }
+        bSuccess = lcl_saveConvertToNumber( m_xFormatter, nTryFormat, sValue, _rfValue );
+    }
+
+    // if this also didn't do, try ISO format
+    if ( !bSuccess && xFormatTypes.is() )
+    {
+        try
+        {
+            nTryFormat = xFormatTypes->getFormatIndex( NumberFormatIndex::DATE_DIN_YYYYMMDD, m_pData->aLocale );
+        }
+        catch( Exception& ) { }
+        bSuccess = lcl_saveConvertToNumber( m_xFormatter, nTryFormat, sValue, _rfValue );
+    }
+
+    // if this also didn't do, try fallback date format (en-US)
+    if ( !bSuccess )
+    {
+        nTryFormat = m_nDateFormatKey;
+        bSuccess = lcl_saveConvertToNumber( m_xFormatter, nTryFormat, sValue, _rfValue );
+    }
+    return bSuccess;
+}
+
+OSQLParseNode* OSQLParser::buildDate(sal_Int32 _nType,OSQLParseNode*& pLiteral)
+{
+    // try converting the string into a date, according to our format key
+    double fValue = 0.0;
+    OSQLParseNode* pFCTNode = nullptr;
+
+    if ( extractDate(pLiteral,fValue) )
+        pFCTNode = buildNode_Date( fValue, _nType);
+
+    delete pLiteral;
+    pLiteral = nullptr;
+
+    if ( !pFCTNode )
+        m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::InvalidDateCompare);
+
+    return pFCTNode;
+}
+
+
+OSQLParseNode::OSQLParseNode(const char * pNewValue,
+                             SQLNodeType eNewNodeType,
+                             sal_uInt32 nNewNodeID)
+        :m_pParent(nullptr)
+        ,m_aNodeValue(pNewValue,strlen(pNewValue),RTL_TEXTENCODING_UTF8)
+        ,m_eNodeType(eNewNodeType)
+        ,m_nNodeID(nNewNodeID)
+{
+    OSL_ENSURE(m_eNodeType >= SQLNodeType::Rule && m_eNodeType <= SQLNodeType::Concat,"OSQLParseNode: created with invalid NodeType");
+}
+
+OSQLParseNode::OSQLParseNode(std::string_view _rNewValue,
+                             SQLNodeType eNewNodeType,
+                             sal_uInt32 nNewNodeID)
+        :m_pParent(nullptr)
+        ,m_aNodeValue(OStringToOUString(_rNewValue,RTL_TEXTENCODING_UTF8))
+        ,m_eNodeType(eNewNodeType)
+        ,m_nNodeID(nNewNodeID)
+{
+    OSL_ENSURE(m_eNodeType >= SQLNodeType::Rule && m_eNodeType <= SQLNodeType::Concat,"OSQLParseNode: created with invalid NodeType");
+}
+
+OSQLParseNode::OSQLParseNode(const OUString &_rNewValue,
+                                 SQLNodeType eNewNodeType,
+                                 sal_uInt32 nNewNodeID)
+        :m_pParent(nullptr)
+        ,m_aNodeValue(_rNewValue)
+        ,m_eNodeType(eNewNodeType)
+        ,m_nNodeID(nNewNodeID)
+{
+    OSL_ENSURE(m_eNodeType >= SQLNodeType::Rule && m_eNodeType <= SQLNodeType::Concat,"OSQLParseNode: created with invalid NodeType");
+}
+
+OSQLParseNode::OSQLParseNode(const OSQLParseNode& rParseNode)
+{
+    // Set the getParent to NULL
+    m_pParent = nullptr;
+
+    // Copy the members
+    m_aNodeValue = rParseNode.m_aNodeValue;
+    m_eNodeType  = rParseNode.m_eNodeType;
+    m_nNodeID    = rParseNode.m_nNodeID;
+
+
+    // Remember that we derived from Container. According to SV-Help the Container's
+    // copy ctor creates a new Container with the same pointers for content.
+    // This means after copying the Container, for all non-NULL pointers a copy is
+    // created and reattached instead of the old pointer.
+
+    // If not a leaf, then process SubTrees
+    for (auto const& child : rParseNode.m_aChildren)
+        append(new OSQLParseNode(*child));
+}
+
+
+OSQLParseNode& OSQLParseNode::operator=(const OSQLParseNode& rParseNode)
+{
+    if (this != &rParseNode)
+    {
+        // Copy the members - pParent remains the same
+        m_aNodeValue = rParseNode.m_aNodeValue;
+        m_eNodeType  = rParseNode.m_eNodeType;
+        m_nNodeID    = rParseNode.m_nNodeID;
+
+        m_aChildren.clear();
+
+        for (auto const& child : rParseNode.m_aChildren)
+            append(new OSQLParseNode(*child));
+    }
+    return *this;
+}
+
+
+bool OSQLParseNode::operator==(OSQLParseNode const & rParseNode) const
+{
+    // The members must be equal
+    bool bResult = (m_nNodeID  == rParseNode.m_nNodeID) &&
+                   (m_eNodeType == rParseNode.m_eNodeType) &&
+                   (m_aNodeValue == rParseNode.m_aNodeValue) &&
+                    count() == rParseNode.count();
+
+    // Parameters are not equal!
+    bResult = bResult && !SQL_ISRULE(this, parameter);
+
+    // compare children
+    for (size_t i=0; bResult && i < count(); i++)
+        bResult = *getChild(i) == *rParseNode.getChild(i);
+
+    return bResult;
+}
+
+
+OSQLParseNode::~OSQLParseNode()
+{
+}
+
+
+void OSQLParseNode::append(OSQLParseNode* pNewNode)
+{
+    OSL_ENSURE(pNewNode != nullptr, "OSQLParseNode: invalid NewSubTree");
+    OSL_ENSURE(pNewNode->getParent() == nullptr, "OSQLParseNode: Node is not an orphan");
+    OSL_ENSURE(std::none_of(m_aChildren.begin(), m_aChildren.end(),
+                   [&] (std::unique_ptr<OSQLParseNode> const & r) { return r.get() == pNewNode; }),
+               "OSQLParseNode::append() Node already element of parent");
+
+    // Create connection to getParent
+    pNewNode->setParent( this );
+    // and attach the SubTree at the end
+    m_aChildren.emplace_back(pNewNode);
+}
+
+bool OSQLParseNode::addDateValue(OUStringBuffer& rString, const SQLParseNodeParameter& rParam) const
+{
+    // special display for date/time values
+    if (!SQL_ISRULE(this,set_fct_spec) || !SQL_ISPUNCTUATION(m_aChildren[0],"{"))
+        return false;
+
+    const OSQLParseNode* pODBCNode = m_aChildren[1].get();
+    const OSQLParseNode* pODBCNodeChild = pODBCNode->m_aChildren[0].get();
+
+    if (pODBCNodeChild->getNodeType() != SQLNodeType::Keyword || !(
+        SQL_ISTOKEN(pODBCNodeChild, D) ||
+        SQL_ISTOKEN(pODBCNodeChild, T) ||
+        SQL_ISTOKEN(pODBCNodeChild, TS) ))
+        return false;
+
+    OUString suQuote("'");
+    if (rParam.bPredicate)
+    {
+         if (rParam.aMetaData.shouldEscapeDateTime())
+         {
+             suQuote = "#";
+         }
+    }
+    else
+    {
+         if (rParam.aMetaData.shouldEscapeDateTime())
+         {
+             // suQuote = "'";
+             return false;
+         }
+    }
+
+    if (!rString.isEmpty())
+        rString.append(" ");
+    rString.append(suQuote);
+    const OUString sTokenValue = pODBCNode->m_aChildren[1]->getTokenValue();
+    if (SQL_ISTOKEN(pODBCNodeChild, D))
+    {
+        rString.append(rParam.bPredicate ? convertDateString(rParam, sTokenValue) : sTokenValue);
+    }
+    else if (SQL_ISTOKEN(pODBCNodeChild, T))
+    {
+        rString.append(rParam.bPredicate ? convertTimeString(rParam, sTokenValue) : sTokenValue);
+    }
+    else
+    {
+        rString.append(rParam.bPredicate ? convertDateTimeString(rParam, sTokenValue) : sTokenValue);
+    }
+    rString.append(suQuote);
+    return true;
+}
+
+void OSQLParseNode::replaceNodeValue(const OUString& rTableAlias, const OUString& rColumnName)
+{
+    for (size_t i=0;i<count();++i)
+    {
+        if (SQL_ISRULE(this,column_ref) && count() == 1 && getChild(0)->getTokenValue() == rColumnName)
+        {
+            OSQLParseNode * pCol = removeAt(sal_uInt32(0));
+            append(new OSQLParseNode(rTableAlias,SQLNodeType::Name));
+            append(new OSQLParseNode(".",SQLNodeType::Punctuation));
+            append(pCol);
+        }
+        else
+            getChild(i)->replaceNodeValue(rTableAlias,rColumnName);
+    }
+}
+
+OSQLParseNode* OSQLParseNode::getByRule(OSQLParseNode::Rule eRule) const
+{
+    OSQLParseNode* pRetNode = nullptr;
+    if (isRule() && OSQLParser::RuleID(eRule) == getRuleID())
+        pRetNode = const_cast<OSQLParseNode*>(this);
+    else
+    {
+        for (auto const& child : m_aChildren)
+        {
+            pRetNode = child->getByRule(eRule);
+            if (pRetNode)
+                break;
+        }
+    }
+    return pRetNode;
+}
+
+static OSQLParseNode* MakeANDNode(OSQLParseNode *pLeftLeaf,OSQLParseNode *pRightLeaf)
+{
+    OSQLParseNode* pNewNode = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::boolean_term));
+    pNewNode->append(pLeftLeaf);
+    pNewNode->append(new OSQLParseNode("AND",SQLNodeType::Keyword,SQL_TOKEN_AND));
+    pNewNode->append(pRightLeaf);
+    return pNewNode;
+}
+
+static OSQLParseNode* MakeORNode(OSQLParseNode *pLeftLeaf,OSQLParseNode *pRightLeaf)
+{
+    OSQLParseNode* pNewNode = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::search_condition));
+    pNewNode->append(pLeftLeaf);
+    pNewNode->append(new OSQLParseNode("OR",SQLNodeType::Keyword,SQL_TOKEN_OR));
+    pNewNode->append(pRightLeaf);
+    return pNewNode;
+}
+
+void OSQLParseNode::disjunctiveNormalForm(OSQLParseNode*& pSearchCondition)
+{
+    if(!pSearchCondition) // no where condition at entry point
+        return;
+
+    OSQLParseNode::absorptions(pSearchCondition);
+    // '(' search_condition ')'
+    if (SQL_ISRULE(pSearchCondition,boolean_primary))
+    {
+        OSQLParseNode* pLeft    = pSearchCondition->getChild(1);
+        disjunctiveNormalForm(pLeft);
+    }
+    // search_condition SQL_TOKEN_OR boolean_term
+    else if (SQL_ISRULE(pSearchCondition,search_condition))
+    {
+        OSQLParseNode* pLeft    = pSearchCondition->getChild(0);
+        disjunctiveNormalForm(pLeft);
+
+        OSQLParseNode* pRight = pSearchCondition->getChild(2);
+        disjunctiveNormalForm(pRight);
+    }
+    // boolean_term SQL_TOKEN_AND boolean_factor
+    else if (SQL_ISRULE(pSearchCondition,boolean_term))
+    {
+        OSQLParseNode* pLeft    = pSearchCondition->getChild(0);
+        disjunctiveNormalForm(pLeft);
+
+        OSQLParseNode* pRight = pSearchCondition->getChild(2);
+        disjunctiveNormalForm(pRight);
+
+        OSQLParseNode* pNewNode = nullptr;
+        // '(' search_condition ')' on left side
+        if(pLeft->count() == 3 && SQL_ISRULE(pLeft,boolean_primary) && SQL_ISRULE(pLeft->getChild(1),search_condition))
+        {
+            // and-or tree  on left side
+            OSQLParseNode* pOr = pLeft->getChild(1);
+            OSQLParseNode* pNewLeft = nullptr;
+            OSQLParseNode* pNewRight = nullptr;
+
+            // cut right from parent
+            OSQLParseNode* pOldRight = pSearchCondition->removeAt(2);
+            assert(pOldRight == pRight);
+
+            pNewRight   = MakeANDNode(pOr->removeAt(2), pOldRight);
+            pNewLeft    = MakeANDNode(pOr->removeAt(sal_uInt32(0)), new OSQLParseNode(*pOldRight));
+            pNewNode    = MakeORNode(pNewLeft,pNewRight);
+            // and append new Node
+            replaceAndReset(pSearchCondition,pNewNode);
+
+            disjunctiveNormalForm(pSearchCondition);
+        }
+        else if(pRight->count() == 3 && SQL_ISRULE(pRight,boolean_primary) && SQL_ISRULE(pRight->getChild(1),search_condition))
+        {   // '(' search_condition ')' on right side
+            // and-or tree  on right side
+            // a and (b or c)
+            OSQLParseNode* pOr = pRight->getChild(1);
+            OSQLParseNode* pNewLeft = nullptr;
+            OSQLParseNode* pNewRight = nullptr;
+
+            // cut left from parent
+            OSQLParseNode* pOldLeft = pSearchCondition->removeAt(sal_uInt32(0));
+            assert(pOldLeft == pLeft);
+
+            pNewRight   = MakeANDNode(pOldLeft, pOr->removeAt(2));
+            pNewLeft    = MakeANDNode(new OSQLParseNode(*pOldLeft), pOr->removeAt(sal_uInt32(0)));
+            pNewNode    = MakeORNode(pNewLeft,pNewRight);
+
+            // and append new Node
+            replaceAndReset(pSearchCondition,pNewNode);
+            disjunctiveNormalForm(pSearchCondition);
+        }
+        else if(SQL_ISRULE(pLeft,boolean_primary) && (!SQL_ISRULE(pLeft->getChild(1),search_condition) || !SQL_ISRULE(pLeft->getChild(1),boolean_term)))
+            pSearchCondition->replace(pLeft, pLeft->removeAt(1));
+        else if(SQL_ISRULE(pRight,boolean_primary) && (!SQL_ISRULE(pRight->getChild(1),search_condition) || !SQL_ISRULE(pRight->getChild(1),boolean_term)))
+            pSearchCondition->replace(pRight, pRight->removeAt(1));
+    }
+}
+
+void OSQLParseNode::negateSearchCondition(OSQLParseNode*& pSearchCondition, bool bNegate)
+{
+    if(!pSearchCondition) // no where condition at entry point
+        return;
+    // '(' search_condition ')'
+    if (pSearchCondition->count() == 3 && SQL_ISRULE(pSearchCondition,boolean_primary))
+    {
+        OSQLParseNode* pRight = pSearchCondition->getChild(1);
+        negateSearchCondition(pRight,bNegate);
+    }
+    // search_condition SQL_TOKEN_OR boolean_term
+    else if (SQL_ISRULE(pSearchCondition,search_condition))
+    {
+        OSQLParseNode* pLeft    = pSearchCondition->getChild(0);
+        OSQLParseNode* pRight = pSearchCondition->getChild(2);
+        if(bNegate)
+        {
+            OSQLParseNode* pNewNode = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::boolean_term));
+            pNewNode->append(pSearchCondition->removeAt(sal_uInt32(0)));
+            pNewNode->append(new OSQLParseNode("AND",SQLNodeType::Keyword,SQL_TOKEN_AND));
+            pNewNode->append(pSearchCondition->removeAt(sal_uInt32(1)));
+            replaceAndReset(pSearchCondition,pNewNode);
+
+            pLeft   = pNewNode->getChild(0);
+            pRight  = pNewNode->getChild(2);
+        }
+
+        negateSearchCondition(pLeft,bNegate);
+        negateSearchCondition(pRight,bNegate);
+    }
+    // boolean_term SQL_TOKEN_AND boolean_factor
+    else if (SQL_ISRULE(pSearchCondition,boolean_term))
+    {
+        OSQLParseNode* pLeft    = pSearchCondition->getChild(0);
+        OSQLParseNode* pRight = pSearchCondition->getChild(2);
+        if(bNegate)
+        {
+            OSQLParseNode* pNewNode = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::search_condition));
+            pNewNode->append(pSearchCondition->removeAt(sal_uInt32(0)));
+            pNewNode->append(new OSQLParseNode("OR",SQLNodeType::Keyword,SQL_TOKEN_OR));
+            pNewNode->append(pSearchCondition->removeAt(sal_uInt32(1)));
+            replaceAndReset(pSearchCondition,pNewNode);
+
+            pLeft   = pNewNode->getChild(0);
+            pRight  = pNewNode->getChild(2);
+        }
+
+        negateSearchCondition(pLeft,bNegate);
+        negateSearchCondition(pRight,bNegate);
+    }
+    // SQL_TOKEN_NOT ( boolean_primary )
+    else if (SQL_ISRULE(pSearchCondition,boolean_factor))
+    {
+        OSQLParseNode *pNot = pSearchCondition->removeAt(sal_uInt32(0));
+        delete pNot;
+        OSQLParseNode *pBooleanTest = pSearchCondition->removeAt(sal_uInt32(0));
+        // TODO is this needed // pBooleanTest->setParent(NULL);
+        replaceAndReset(pSearchCondition,pBooleanTest);
+
+        if (!bNegate)
+            negateSearchCondition(pSearchCondition, true); // negate all deeper values
+    }
+    // row_value_constructor comparison row_value_constructor
+    // row_value_constructor comparison any_all_some subquery
+    else if(bNegate && (SQL_ISRULE(pSearchCondition,comparison_predicate) || SQL_ISRULE(pSearchCondition,all_or_any_predicate)))
+    {
+        assert(pSearchCondition->count() == 3);
+        OSQLParseNode* pComparison = pSearchCondition->getChild(1);
+        if(SQL_ISRULE(pComparison, comparison))
+        {
+            assert(pComparison->count() == 2 ||
+                   pComparison->count() == 4);
+            assert(SQL_ISTOKEN(pComparison->getChild(0), IS));
+
+            OSQLParseNode* pNot = pComparison->getChild(1);
+            OSQLParseNode* pNotNot = nullptr;
+            if(pNot->isRule()) // no NOT token (empty rule)
+                pNotNot = new OSQLParseNode("NOT",SQLNodeType::Keyword,SQL_TOKEN_NOT);
+            else
+            {
+                assert(SQL_ISTOKEN(pNot,NOT));
+                pNotNot = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::sql_not));
+            }
+            pComparison->replace(pNot, pNotNot);
+            delete pNot;
+        }
+        else
+        {
+            OSQLParseNode* pNewComparison;
+            switch(pComparison->getNodeType())
+            {
+            default:
+            case SQLNodeType::Equal:
+                assert(pComparison->getNodeType() == SQLNodeType::Equal &&
+                       "OSQLParseNode::negateSearchCondition: unexpected node type!");
+                pNewComparison = new OSQLParseNode("<>",SQLNodeType::NotEqual,SQL_NOTEQUAL);
+                break;
+            case SQLNodeType::Less:
+                pNewComparison = new OSQLParseNode(">=",SQLNodeType::GreatEq,SQL_GREATEQ);
+                break;
+            case SQLNodeType::Great:
+                pNewComparison = new OSQLParseNode("<=",SQLNodeType::LessEq,SQL_LESSEQ);
+                break;
+            case SQLNodeType::LessEq:
+                pNewComparison = new OSQLParseNode(">",SQLNodeType::Great,SQL_GREAT);
+                break;
+            case SQLNodeType::GreatEq:
+                pNewComparison = new OSQLParseNode("<",SQLNodeType::Less,SQL_LESS);
+                break;
+            case SQLNodeType::NotEqual:
+                pNewComparison = new OSQLParseNode("=",SQLNodeType::Equal,SQL_EQUAL);
+                break;
+            }
+            pSearchCondition->replace(pComparison, pNewComparison);
+            delete pComparison;
+        }
+    }
+
+    else if(bNegate && (SQL_ISRULE(pSearchCondition,test_for_null) ||
+                        SQL_ISRULE(pSearchCondition,in_predicate)  ||
+                        SQL_ISRULE(pSearchCondition,between_predicate) ))
+    {
+        OSQLParseNode* pPart2 = pSearchCondition->getChild(1);
+        sal_uInt32 nNotPos = 0;
+        if  ( SQL_ISRULE( pSearchCondition, test_for_null ) )
+            nNotPos = 1;
+
+        OSQLParseNode* pNot = pPart2->getChild(nNotPos);
+        OSQLParseNode* pNotNot = nullptr;
+        if(pNot->isRule()) // no NOT token (empty rule)
+            pNotNot = new OSQLParseNode("NOT",SQLNodeType::Keyword,SQL_TOKEN_NOT);
+        else
+        {
+            assert(SQL_ISTOKEN(pNot,NOT));
+            pNotNot = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::sql_not));
+        }
+        pPart2->replace(pNot, pNotNot);
+        delete pNot;
+    }
+    else if(bNegate && SQL_ISRULE(pSearchCondition,like_predicate))
+    {
+        OSQLParseNode* pNot = pSearchCondition->getChild( 1 )->getChild( 0 );
+        OSQLParseNode* pNotNot = nullptr;
+        if(pNot->isRule())
+            pNotNot = new OSQLParseNode("NOT",SQLNodeType::Keyword,SQL_TOKEN_NOT);
+        else
+            pNotNot = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::sql_not));
+        pSearchCondition->getChild( 1 )->replace(pNot, pNotNot);
+        delete pNot;
+    }
+}
+
+void OSQLParseNode::eraseBraces(OSQLParseNode*& pSearchCondition)
+{
+    if (!(pSearchCondition && (SQL_ISRULE(pSearchCondition,boolean_primary) || (pSearchCondition->count() == 3 && SQL_ISPUNCTUATION(pSearchCondition->getChild(0),"(") &&
+         SQL_ISPUNCTUATION(pSearchCondition->getChild(2),")")))))
+        return;
+
+    OSQLParseNode* pRight = pSearchCondition->getChild(1);
+    absorptions(pRight);
+    // if child is not an or and tree then delete () around child
+    if(!(SQL_ISRULE(pSearchCondition->getChild(1),boolean_term) || SQL_ISRULE(pSearchCondition->getChild(1),search_condition)) ||
+        SQL_ISRULE(pSearchCondition->getChild(1),boolean_term) || // and can always stand without ()
+        (SQL_ISRULE(pSearchCondition->getChild(1),search_condition) && SQL_ISRULE(pSearchCondition->getParent(),search_condition)))
+    {
+        OSQLParseNode* pNode = pSearchCondition->removeAt(1);
+        replaceAndReset(pSearchCondition,pNode);
+    }
+}
+
+void OSQLParseNode::absorptions(OSQLParseNode*& pSearchCondition)
+{
+    if(!pSearchCondition) // no where condition at entry point
+        return;
+
+    eraseBraces(pSearchCondition);
+
+    if(SQL_ISRULE(pSearchCondition,boolean_term) || SQL_ISRULE(pSearchCondition,search_condition))
+    {
+        OSQLParseNode* pLeft = pSearchCondition->getChild(0);
+        absorptions(pLeft);
+        OSQLParseNode* pRight = pSearchCondition->getChild(2);
+        absorptions(pRight);
+    }
+
+    sal_uInt32 nPos = 0;
+    // a and a || a or a
+    OSQLParseNode* pNewNode = nullptr;
+    if(( SQL_ISRULE(pSearchCondition,boolean_term) || SQL_ISRULE(pSearchCondition,search_condition))
+        && *pSearchCondition->getChild(0) == *pSearchCondition->getChild(2))
+    {
+        pNewNode = pSearchCondition->removeAt(sal_uInt32(0));
+        replaceAndReset(pSearchCondition,pNewNode);
+    }
+    // ( a or b ) and a || ( b or c ) and a
+    // a and ( a or b ) || a and ( b or c )
+    else if (   SQL_ISRULE(pSearchCondition,boolean_term)
+            &&  (
+                    (       SQL_ISRULE(pSearchCondition->getChild(nPos = 0),boolean_primary)
+                        ||  SQL_ISRULE(pSearchCondition->getChild(nPos),search_condition)
+                    )
+                ||  (       SQL_ISRULE(pSearchCondition->getChild(nPos = 2),boolean_primary)
+                        ||  SQL_ISRULE(pSearchCondition->getChild(nPos),search_condition)
+                    )
+                )
+            )
+    {
+        OSQLParseNode* p2ndSearch = pSearchCondition->getChild(nPos);
+        if ( SQL_ISRULE(p2ndSearch,boolean_primary) )
+            p2ndSearch = p2ndSearch->getChild(1);
+
+        if ( *p2ndSearch->getChild(0) == *pSearchCondition->getChild(2-nPos) ) // a and ( a or b) -> a or b
+        {
+            pNewNode = pSearchCondition->removeAt(sal_uInt32(0));
+            replaceAndReset(pSearchCondition,pNewNode);
+
+        }
+        else if ( *p2ndSearch->getChild(2) == *pSearchCondition->getChild(2-nPos) ) // a and ( b or a) -> a or b
+        {
+            pNewNode = pSearchCondition->removeAt(sal_uInt32(2));
+            replaceAndReset(pSearchCondition,pNewNode);
+        }
+        else if ( p2ndSearch->getByRule(OSQLParseNode::search_condition) )
+        {
+            // a and ( b or c ) -> ( a and b ) or ( a and c )
+            // ( b or c ) and a -> ( a and b ) or ( a and c )
+            OSQLParseNode* pC = p2ndSearch->removeAt(sal_uInt32(2));
+            OSQLParseNode* pB = p2ndSearch->removeAt(sal_uInt32(0));
+            OSQLParseNode* pA = pSearchCondition->removeAt(sal_uInt32(2)-nPos);
+
+            OSQLParseNode* p1stAnd = MakeANDNode(pA,pB);
+            OSQLParseNode* p2ndAnd = MakeANDNode(new OSQLParseNode(*pA),pC);
+            pNewNode = MakeORNode(p1stAnd,p2ndAnd);
+            OSQLParseNode* pNode = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::boolean_primary));
+            pNode->append(new OSQLParseNode("(",SQLNodeType::Punctuation));
+            pNode->append(pNewNode);
+            pNode->append(new OSQLParseNode(")",SQLNodeType::Punctuation));
+            OSQLParseNode::eraseBraces(p1stAnd);
+            OSQLParseNode::eraseBraces(p2ndAnd);
+            replaceAndReset(pSearchCondition,pNode);
+        }
+    }
+    // a or a and b || a or b and a
+    else if(SQL_ISRULE(pSearchCondition,search_condition) && SQL_ISRULE(pSearchCondition->getChild(2),boolean_term))
+    {
+        if(*pSearchCondition->getChild(2)->getChild(0) == *pSearchCondition->getChild(0))
+        {
+            pNewNode = pSearchCondition->removeAt(sal_uInt32(0));
+            replaceAndReset(pSearchCondition,pNewNode);
+        }
+        else if(*pSearchCondition->getChild(2)->getChild(2) == *pSearchCondition->getChild(0))
+        {
+            pNewNode = pSearchCondition->removeAt(sal_uInt32(0));
+            replaceAndReset(pSearchCondition,pNewNode);
+        }
+    }
+    // a and b or a || b and a or a
+    else if(SQL_ISRULE(pSearchCondition,search_condition) && SQL_ISRULE(pSearchCondition->getChild(0),boolean_term))
+    {
+        if(*pSearchCondition->getChild(0)->getChild(0) == *pSearchCondition->getChild(2))
+        {
+            pNewNode = pSearchCondition->removeAt(sal_uInt32(2));
+            replaceAndReset(pSearchCondition,pNewNode);
+        }
+        else if(*pSearchCondition->getChild(0)->getChild(2) == *pSearchCondition->getChild(2))
+        {
+            pNewNode = pSearchCondition->removeAt(sal_uInt32(2));
+            replaceAndReset(pSearchCondition,pNewNode);
+        }
+    }
+    eraseBraces(pSearchCondition);
+}
+
+void OSQLParseNode::compress(OSQLParseNode *&pSearchCondition)
+{
+    if(!pSearchCondition) // no WHERE condition at entry point
+        return;
+
+    OSQLParseNode::eraseBraces(pSearchCondition);
+
+    if(SQL_ISRULE(pSearchCondition,boolean_term) || SQL_ISRULE(pSearchCondition,search_condition))
+    {
+        OSQLParseNode* pLeft = pSearchCondition->getChild(0);
+        compress(pLeft);
+
+        OSQLParseNode* pRight = pSearchCondition->getChild(2);
+        compress(pRight);
+    }
+    else if( SQL_ISRULE(pSearchCondition,boolean_primary) || (pSearchCondition->count() == 3 && SQL_ISPUNCTUATION(pSearchCondition->getChild(0),"(") &&
+             SQL_ISPUNCTUATION(pSearchCondition->getChild(2),")")))
+    {
+        OSQLParseNode* pRight = pSearchCondition->getChild(1);
+        compress(pRight);
+        // if child is not an or and tree then delete () around child
+        if(!(SQL_ISRULE(pSearchCondition->getChild(1),boolean_term) || SQL_ISRULE(pSearchCondition->getChild(1),search_condition)) ||
+            (SQL_ISRULE(pSearchCondition->getChild(1),boolean_term) && SQL_ISRULE(pSearchCondition->getParent(),boolean_term)) ||
+            (SQL_ISRULE(pSearchCondition->getChild(1),search_condition) && SQL_ISRULE(pSearchCondition->getParent(),search_condition)))
+        {
+            OSQLParseNode* pNode = pSearchCondition->removeAt(1);
+            replaceAndReset(pSearchCondition,pNode);
+        }
+    }
+
+    // or with two and trees where one element of the and trees are equal
+    if(!(SQL_ISRULE(pSearchCondition,search_condition) && SQL_ISRULE(pSearchCondition->getChild(0),boolean_term) && SQL_ISRULE(pSearchCondition->getChild(2),boolean_term)))
+        return;
+
+    if(*pSearchCondition->getChild(0)->getChild(0) == *pSearchCondition->getChild(2)->getChild(0))
+    {
+        OSQLParseNode* pLeft    = pSearchCondition->getChild(0)->removeAt(2);
+        OSQLParseNode* pRight = pSearchCondition->getChild(2)->removeAt(2);
+        OSQLParseNode* pNode    = MakeORNode(pLeft,pRight);
+
+        OSQLParseNode* pNewRule = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::boolean_primary));
+        pNewRule->append(new OSQLParseNode("(",SQLNodeType::Punctuation));
+        pNewRule->append(pNode);
+        pNewRule->append(new OSQLParseNode(")",SQLNodeType::Punctuation));
+
+        OSQLParseNode::eraseBraces(pLeft);
+        OSQLParseNode::eraseBraces(pRight);
+
+        pNode = MakeANDNode(pSearchCondition->getChild(0)->removeAt(sal_uInt32(0)),pNewRule);
+        replaceAndReset(pSearchCondition,pNode);
+    }
+    else if(*pSearchCondition->getChild(0)->getChild(2) == *pSearchCondition->getChild(2)->getChild(0))
+    {
+        OSQLParseNode* pLeft = pSearchCondition->getChild(0)->removeAt(sal_uInt32(0));
+        OSQLParseNode* pRight = pSearchCondition->getChild(2)->removeAt(2);
+        OSQLParseNode* pNode = MakeORNode(pLeft,pRight);
+
+        OSQLParseNode* pNewRule = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::boolean_primary));
+        pNewRule->append(new OSQLParseNode("(",SQLNodeType::Punctuation));
+        pNewRule->append(pNode);
+        pNewRule->append(new OSQLParseNode(")",SQLNodeType::Punctuation));
+
+        OSQLParseNode::eraseBraces(pLeft);
+        OSQLParseNode::eraseBraces(pRight);
+
+        pNode = MakeANDNode(pSearchCondition->getChild(0)->removeAt(1),pNewRule);
+        replaceAndReset(pSearchCondition,pNode);
+    }
+    else if(*pSearchCondition->getChild(0)->getChild(0) == *pSearchCondition->getChild(2)->getChild(2))
+    {
+        OSQLParseNode* pLeft    = pSearchCondition->getChild(0)->removeAt(2);
+        OSQLParseNode* pRight = pSearchCondition->getChild(2)->removeAt(sal_uInt32(0));
+        OSQLParseNode* pNode    = MakeORNode(pLeft,pRight);
+
+        OSQLParseNode* pNewRule = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::boolean_primary));
+        pNewRule->append(new OSQLParseNode("(",SQLNodeType::Punctuation));
+        pNewRule->append(pNode);
+        pNewRule->append(new OSQLParseNode(")",SQLNodeType::Punctuation));
+
+        OSQLParseNode::eraseBraces(pLeft);
+        OSQLParseNode::eraseBraces(pRight);
+
+        pNode = MakeANDNode(pSearchCondition->getChild(0)->removeAt(sal_uInt32(0)),pNewRule);
+        replaceAndReset(pSearchCondition,pNode);
+    }
+    else if(*pSearchCondition->getChild(0)->getChild(2) == *pSearchCondition->getChild(2)->getChild(2))
+    {
+        OSQLParseNode* pLeft    = pSearchCondition->getChild(0)->removeAt(sal_uInt32(0));
+        OSQLParseNode* pRight = pSearchCondition->getChild(2)->removeAt(sal_uInt32(0));
+        OSQLParseNode* pNode    = MakeORNode(pLeft,pRight);
+
+        OSQLParseNode* pNewRule = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::boolean_primary));
+        pNewRule->append(new OSQLParseNode("(",SQLNodeType::Punctuation));
+        pNewRule->append(pNode);
+        pNewRule->append(new OSQLParseNode(")",SQLNodeType::Punctuation));
+
+        OSQLParseNode::eraseBraces(pLeft);
+        OSQLParseNode::eraseBraces(pRight);
+
+        pNode = MakeANDNode(pSearchCondition->getChild(0)->removeAt(1),pNewRule);
+        replaceAndReset(pSearchCondition,pNode);
+    }
+}
+#if OSL_DEBUG_LEVEL > 1
+
+void OSQLParseNode::showParseTree( OUString& rString ) const
+{
+    OUStringBuffer aBuf;
+    showParseTree( aBuf, 0 );
+    rString = aBuf.makeStringAndClear();
+}
+
+
+void OSQLParseNode::showParseTree( OUStringBuffer& _inout_rBuffer, sal_uInt32 nLevel ) const
+{
+    for ( sal_uInt32 j=0; j<nLevel; ++j)
+        _inout_rBuffer.appendAscii( "  " );
+
+    if ( !isToken() )
+    {
+        // Rule name as rule
+        _inout_rBuffer.appendAscii( "RULE_ID: " );
+        _inout_rBuffer.append( (sal_Int32)getRuleID() );
+        _inout_rBuffer.append( '(' );
+        _inout_rBuffer.append( OSQLParser::RuleIDToStr( getRuleID() ) );
+        _inout_rBuffer.append( ')' );
+        _inout_rBuffer.append( '\n' );
+
+        // Get the first sub tree
+        for (auto const& child : m_aChildren)
+            child->showParseTree( _inout_rBuffer, nLevel+1 );
+    }
+    else
+    {
+        // Found a token
+        switch (m_eNodeType)
+        {
+
+        case SQLNodeType::Keyword:
+            _inout_rBuffer.appendAscii( "SQL_KEYWORD: " );
+            _inout_rBuffer.append( OStringToOUString( OSQLParser::TokenIDToStr( getTokenID() ), RTL_TEXTENCODING_UTF8 ) );
+            _inout_rBuffer.append( '\n' );
+            break;
+
+        case SQLNodeType::Name:
+            _inout_rBuffer.appendAscii( "SQL_NAME: " );
+            _inout_rBuffer.append( '"' );
+            _inout_rBuffer.append( m_aNodeValue );
+            _inout_rBuffer.append( '"' );
+            _inout_rBuffer.append( '\n' );
+             break;
+
+        case SQLNodeType::String:
+            _inout_rBuffer.appendAscii( "SQL_STRING: " );
+            _inout_rBuffer.append( '\'' );
+            _inout_rBuffer.append( m_aNodeValue );
+            _inout_rBuffer.append( '\'' );
+            _inout_rBuffer.append( '\n' );
+            break;
+
+        case SQLNodeType::IntNum:
+            _inout_rBuffer.appendAscii( "SQL_INTNUM: " );
+            _inout_rBuffer.append( m_aNodeValue );
+            _inout_rBuffer.append( '\n' );
+            break;
+
+        case SQLNodeType::ApproxNum:
+            _inout_rBuffer.appendAscii( "SQL_APPROXNUM: " );
+            _inout_rBuffer.append( m_aNodeValue );
+            _inout_rBuffer.append( '\n' );
+             break;
+
+        case SQLNodeType::Punctuation:
+            _inout_rBuffer.appendAscii( "SQL_PUNCTUATION: " );
+            _inout_rBuffer.append( m_aNodeValue );
+            _inout_rBuffer.append( '\n' );
+            break;
+
+        case SQLNodeType::Equal:
+        case SQLNodeType::Less:
+        case SQLNodeType::Great:
+        case SQLNodeType::LessEq:
+        case SQLNodeType::GreatEq:
+        case SQLNodeType::NotEqual:
+            _inout_rBuffer.append( m_aNodeValue );
+            _inout_rBuffer.append( '\n' );
+            break;
+
+        case SQLNodeType::AccessDate:
+            _inout_rBuffer.appendAscii( "SQL_ACCESS_DATE: " );
+            _inout_rBuffer.append( m_aNodeValue );
+            _inout_rBuffer.append( '\n' );
+            break;
+
+        case SQLNodeType::Concat:
+            _inout_rBuffer.appendAscii( "||" );
+            _inout_rBuffer.append( '\n' );
+            break;
+
+        default:
+            SAL_INFO( "connectivity.parse", "-- " << int( m_eNodeType ) );
+            SAL_WARN( "connectivity.parse", "OSQLParser::ShowParseTree: unzulaessiger NodeType" );
+        }
+    }
+}
+#endif // OSL_DEBUG_LEVEL > 0
+
+// Insert methods
+
+void OSQLParseNode::insert(sal_uInt32 nPos, OSQLParseNode* pNewSubTree)
+{
+    OSL_ENSURE(pNewSubTree != nullptr, "OSQLParseNode: invalid NewSubTree");
+    OSL_ENSURE(pNewSubTree->getParent() == nullptr, "OSQLParseNode: Node is not an orphan");
+
+    // Create connection to getParent
+    pNewSubTree->setParent( this );
+    m_aChildren.emplace(m_aChildren.begin() + nPos, pNewSubTree);
+}
+
+// removeAt methods
+
+OSQLParseNode* OSQLParseNode::removeAt(sal_uInt32 nPos)
+{
+    OSL_ENSURE(nPos < m_aChildren.size(),"Illegal position for removeAt");
+    auto aPos(m_aChildren.begin() + nPos);
+    auto pNode = std::move(*aPos);
+
+    // Set the getParent of the removed node to NULL
+    pNode->setParent( nullptr );
+
+    m_aChildren.erase(aPos);
+    return pNode.release();
+}
+
+// Replace methods
+
+OSQLParseNode* OSQLParseNode::replace(OSQLParseNode* pOldSubNode, OSQLParseNode* pNewSubNode )
+{
+    OSL_ENSURE(pOldSubNode != nullptr && pNewSubNode != nullptr, "OSQLParseNode: invalid nodes");
+    OSL_ENSURE(pNewSubNode->getParent() == nullptr, "OSQLParseNode: node already has getParent");
+    OSL_ENSURE(std::any_of(m_aChildren.begin(), m_aChildren.end(),
+                   [&] (std::unique_ptr<OSQLParseNode> const & r) { return r.get() == pOldSubNode; }),
+               "OSQLParseNode::Replace() Node not element of parent");
+    OSL_ENSURE(std::none_of(m_aChildren.begin(), m_aChildren.end(),
+                   [&] (std::unique_ptr<OSQLParseNode> const & r) { return r.get() == pNewSubNode; }),
+               "OSQLParseNode::Replace() Node already element of parent");
+
+    pOldSubNode->setParent( nullptr );
+    pNewSubNode->setParent( this );
+    auto it = std::find_if(m_aChildren.begin(), m_aChildren.end(),
+        [&pOldSubNode](const std::unique_ptr<OSQLParseNode>& rxChild) { return rxChild.get() == pOldSubNode; });
+    if (it != m_aChildren.end())
+    {
+        it->release();
+        it->reset(pNewSubNode);
+    }
+    return pOldSubNode;
+}
+
+void OSQLParseNode::parseLeaf(OUStringBuffer& rString, const SQLParseNodeParameter& rParam) const
+{
+    // Found a leaf
+    // Append content to the output string
+    switch (m_eNodeType)
+    {
+        case SQLNodeType::Keyword:
+        {
+            if (!rString.isEmpty())
+                rString.append(" ");
+
+            const OString sT = OSQLParser::TokenIDToStr(m_nNodeID, rParam.bInternational ? &rParam.m_rContext :  nullptr);
+            rString.append(OStringToOUString(sT,RTL_TEXTENCODING_UTF8));
+        }   break;
+        case SQLNodeType::String:
+            if (!rString.isEmpty())
+                rString.append(" ");
+            rString.append(SetQuotation(m_aNodeValue, "\'", u"\'\'"));
+            break;
+        case SQLNodeType::Name:
+            if (!rString.isEmpty())
+            {
+                switch(rString[rString.getLength()-1])
+                {
+                    case ' ' :
+                    case '.' : break;
+                    default  :
+                        if  (   rParam.aMetaData.getCatalogSeparator().isEmpty()
+                                || rString[rString.getLength() - 1] != rParam.aMetaData.getCatalogSeparator().toChar()
+                            )
+                            rString.append(" ");
+                        break;
+                }
+            }
+            if (rParam.bQuote)
+            {
+                if (rParam.bPredicate)
+                {
+                    rString.append("[");
+                    rString.append(m_aNodeValue);
+                    rString.append("]");
+                }
+                else
+                    rString.append(SetQuotation(m_aNodeValue,
+                        rParam.aMetaData.getIdentifierQuoteString(), rParam.aMetaData.getIdentifierQuoteString() ));
+            }
+            else
+                rString.append(m_aNodeValue);
+            break;
+        case SQLNodeType::AccessDate:
+            if (!rString.isEmpty())
+                rString.append(" ");
+            rString.append("#");
+            rString.append(m_aNodeValue);
+            rString.append("#");
+            break;
+
+        case SQLNodeType::IntNum:
+        case SQLNodeType::ApproxNum:
+            {
+                OUString aTmp = m_aNodeValue;
+                static constexpr OUStringLiteral strPoint(u".");
+                if (rParam.bInternational && rParam.bPredicate && rParam.sDecSep != strPoint)
+                    aTmp = aTmp.replaceAll(strPoint, rParam.sDecSep);
+
+                if (!rString.isEmpty())
+                    rString.append(" ");
+                rString.append(aTmp);
+
+            }   break;
+        case SQLNodeType::Punctuation:
+            if ( getParent() && SQL_ISRULE(getParent(),cast_spec) && m_aNodeValue.toChar() == '(' ) // no spaces in front of '('
+            {
+                rString.append(m_aNodeValue);
+                break;
+            }
+            [[fallthrough]];
+        default:
+            if (!rString.isEmpty() && m_aNodeValue.toChar() != '.' && m_aNodeValue.toChar() != ':' )
+            {
+                switch( rString[rString.getLength() - 1] )
+                {
+                    case ' ' :
+                    case '.' : break;
+                    default  :
+                        if  (   rParam.aMetaData.getCatalogSeparator().isEmpty()
+                            ||  rString[rString.getLength() - 1] != rParam.aMetaData.getCatalogSeparator().toChar()
+                            )
+                            rString.append(" ");
+                        break;
+                }
+            }
+            rString.append(m_aNodeValue);
+    }
+}
+
+
+sal_Int32 OSQLParser::getFunctionReturnType(std::u16string_view _sFunctionName, const IParseContext* pContext)
+{
+    sal_Int32 nType = DataType::VARCHAR;
+    OString sFunctionName(OUStringToOString(_sFunctionName,RTL_TEXTENCODING_UTF8));
+
+    if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ASCII,pContext)))                     nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_BIT_LENGTH,pContext)))           nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CHAR,pContext)))                 nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CHAR_LENGTH,pContext)))          nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CONCAT,pContext)))               nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DIFFERENCE,pContext)))           nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_INSERT,pContext)))               nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LCASE,pContext)))                nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LEFT,pContext)))                 nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LENGTH,pContext)))               nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LOCATE,pContext)))               nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LOCATE_2,pContext)))             nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LTRIM,pContext)))                nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_OCTET_LENGTH,pContext)))         nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_POSITION,pContext)))             nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_REPEAT,pContext)))               nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_REPLACE,pContext)))              nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_RIGHT,pContext)))                nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_RTRIM,pContext)))                nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SOUNDEX,pContext)))              nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SPACE,pContext)))                nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SUBSTRING,pContext)))            nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_UCASE,pContext)))                nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CURRENT_DATE,pContext)))         nType = DataType::DATE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CURRENT_TIME,pContext)))         nType = DataType::TIME;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CURRENT_TIMESTAMP,pContext)))    nType = DataType::TIMESTAMP;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CURDATE,pContext)))              nType = DataType::DATE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DATEDIFF,pContext)))             nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DATEVALUE,pContext)))            nType = DataType::DATE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CURTIME,pContext)))              nType = DataType::TIME;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DAYNAME,pContext)))              nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DAYOFMONTH,pContext)))           nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DAYOFWEEK,pContext)))            nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DAYOFYEAR,pContext)))            nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_EXTRACT,pContext)))              nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_HOUR,pContext)))                 nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_MINUTE,pContext)))               nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_MONTH,pContext)))                nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_MONTHNAME,pContext)))            nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_NOW,pContext)))                  nType = DataType::TIMESTAMP;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_QUARTER,pContext)))              nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SECOND,pContext)))               nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_TIMESTAMPADD,pContext)))         nType = DataType::TIMESTAMP;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_TIMESTAMPDIFF,pContext)))        nType = DataType::TIMESTAMP;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_TIMEVALUE,pContext)))            nType = DataType::TIMESTAMP;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_WEEK,pContext)))                 nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_YEAR,pContext)))                 nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ABS,pContext)))                  nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ACOS,pContext)))                 nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ASIN,pContext)))                 nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ATAN,pContext)))                 nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ATAN2,pContext)))                nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CEILING,pContext)))              nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_COS,pContext)))                  nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_COT,pContext)))                  nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DEGREES,pContext)))              nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_EXP,pContext)))                  nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_FLOOR,pContext)))                nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LOGF,pContext)))                 nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LOG,pContext)))                  nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LOG10,pContext)))                nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LN,pContext)))                   nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_MOD,pContext)))                  nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_PI,pContext)))                   nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_POWER,pContext)))                nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_RADIANS,pContext)))              nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_RAND,pContext)))                 nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ROUND,pContext)))                nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ROUNDMAGIC,pContext)))           nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SIGN,pContext)))                 nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SIN,pContext)))                  nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SQRT,pContext)))                 nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_TAN,pContext)))                  nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_TRUNCATE,pContext)))             nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_COUNT,pContext)))                nType = DataType::INTEGER;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_MAX,pContext)))                  nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_MIN,pContext)))                  nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_AVG,pContext)))                  nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SUM,pContext)))                  nType = DataType::DOUBLE;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LOWER,pContext)))                nType = DataType::VARCHAR;
+    else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_UPPER,pContext)))                nType = DataType::VARCHAR;
+
+    return nType;
+}
+
+sal_Int32 OSQLParser::getFunctionParameterType(sal_uInt32 _nTokenId, sal_uInt32 _nPos)
+{
+    sal_Int32 nType = DataType::VARCHAR;
+
+    if(_nTokenId == SQL_TOKEN_CHAR)                 nType = DataType::INTEGER;
+    else if(_nTokenId == SQL_TOKEN_INSERT)
+    {
+        if ( _nPos == 2 || _nPos == 3 )
+            nType = DataType::INTEGER;
+    }
+    else if(_nTokenId == SQL_TOKEN_LEFT)
+    {
+        if ( _nPos == 2 )
+            nType = DataType::INTEGER;
+    }
+    else if(_nTokenId == SQL_TOKEN_LOCATE)
+    {
+        if ( _nPos == 3 )
+            nType = DataType::INTEGER;
+    }
+    else if(_nTokenId == SQL_TOKEN_LOCATE_2)
+    {
+        if ( _nPos == 3 )
+            nType = DataType::INTEGER;
+    }
+    else if( _nTokenId == SQL_TOKEN_REPEAT || _nTokenId == SQL_TOKEN_RIGHT )
+    {
+        if ( _nPos == 2 )
+            nType = DataType::INTEGER;
+    }
+    else if(_nTokenId == SQL_TOKEN_SPACE )
+    {
+        nType = DataType::INTEGER;
+    }
+    else if(_nTokenId == SQL_TOKEN_SUBSTRING)
+    {
+        if ( _nPos != 1 )
+            nType = DataType::INTEGER;
+    }
+    else if(_nTokenId == SQL_TOKEN_DATEDIFF)
+    {
+        if ( _nPos != 1 )
+            nType = DataType::TIMESTAMP;
+    }
+    else if(_nTokenId == SQL_TOKEN_DATEVALUE)
+        nType = DataType::DATE;
+    else if(_nTokenId == SQL_TOKEN_DAYNAME)
+        nType = DataType::DATE;
+    else if(_nTokenId == SQL_TOKEN_DAYOFMONTH)
+        nType = DataType::DATE;
+    else if(_nTokenId == SQL_TOKEN_DAYOFWEEK)
+        nType = DataType::DATE;
+    else if(_nTokenId == SQL_TOKEN_DAYOFYEAR)
+        nType = DataType::DATE;
+    else if(_nTokenId == SQL_TOKEN_EXTRACT)              nType = DataType::VARCHAR;
+    else if(_nTokenId == SQL_TOKEN_HOUR)                 nType = DataType::TIME;
+    else if(_nTokenId == SQL_TOKEN_MINUTE)               nType = DataType::TIME;
+    else if(_nTokenId == SQL_TOKEN_MONTH)                nType = DataType::DATE;
+    else if(_nTokenId == SQL_TOKEN_MONTHNAME)            nType = DataType::DATE;
+    else if(_nTokenId == SQL_TOKEN_NOW)                  nType = DataType::TIMESTAMP;
+    else if(_nTokenId == SQL_TOKEN_QUARTER)              nType = DataType::DATE;
+    else if(_nTokenId == SQL_TOKEN_SECOND)               nType = DataType::TIME;
+    else if(_nTokenId == SQL_TOKEN_TIMESTAMPADD)         nType = DataType::TIMESTAMP;
+    else if(_nTokenId == SQL_TOKEN_TIMESTAMPDIFF)        nType = DataType::TIMESTAMP;
+    else if(_nTokenId == SQL_TOKEN_TIMEVALUE)            nType = DataType::TIMESTAMP;
+    else if(_nTokenId == SQL_TOKEN_WEEK)                 nType = DataType::DATE;
+    else if(_nTokenId == SQL_TOKEN_YEAR)                 nType = DataType::DATE;
+
+    else if(_nTokenId == SQL_TOKEN_ABS)                  nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_ACOS)                 nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_ASIN)                 nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_ATAN)                 nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_ATAN2)                nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_CEILING)              nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_COS)                  nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_COT)                  nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_DEGREES)              nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_EXP)                  nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_FLOOR)                nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_LOGF)                 nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_LOG)                  nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_LOG10)                nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_LN)                   nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_MOD)                  nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_PI)                   nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_POWER)                nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_RADIANS)              nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_RAND)                 nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_ROUND)                nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_ROUNDMAGIC)           nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_SIGN)                 nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_SIN)                  nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_SQRT)                 nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_TAN)                  nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_TRUNCATE)             nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_COUNT)                nType = DataType::INTEGER;
+    else if(_nTokenId == SQL_TOKEN_MAX)                  nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_MIN)                  nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_AVG)                  nType = DataType::DOUBLE;
+    else if(_nTokenId == SQL_TOKEN_SUM)                  nType = DataType::DOUBLE;
+
+    else if(_nTokenId == SQL_TOKEN_LOWER)                nType = DataType::VARCHAR;
+    else if(_nTokenId == SQL_TOKEN_UPPER)                nType = DataType::VARCHAR;
+
+    return nType;
+}
+
+
+const SQLError& OSQLParser::getErrorHelper() const
+{
+    return m_pData->aErrors;
+}
+
+
+OSQLParseNode::Rule OSQLParseNode::getKnownRuleID() const
+{
+    if ( !isRule() )
+        return UNKNOWN_RULE;
+    return OSQLParser::RuleIDToRule( getRuleID() );
+}
+
+OUString OSQLParseNode::getTableRange(const OSQLParseNode* _pTableRef)
+{
+    OSL_ENSURE(_pTableRef && _pTableRef->count() > 1 && _pTableRef->getKnownRuleID() == OSQLParseNode::table_ref,"Invalid node give, only table ref is allowed!");
+    const sal_uInt32 nCount = _pTableRef->count();
+    OUString sTableRange;
+    if ( nCount == 2 || (nCount == 3 && !_pTableRef->getChild(0)->isToken()) )
+    {
+        const OSQLParseNode* pNode = _pTableRef->getChild(nCount - (nCount == 2 ? 1 : 2));
+        OSL_ENSURE(pNode && (pNode->getKnownRuleID() == OSQLParseNode::table_primary_as_range_column
+                          || pNode->getKnownRuleID() == OSQLParseNode::range_variable)
+                         ,"SQL grammar changed!");
+        if ( !pNode->isLeaf() )
+            sTableRange = pNode->getChild(1)->getTokenValue();
+    } // if ( nCount == 2 || nCount == 3 )
+
+    return sTableRange;
+}
+
+OSQLParseNodesContainer::OSQLParseNodesContainer()
+{
+}
+
+OSQLParseNodesContainer::~OSQLParseNodesContainer()
+{
+}
+
+void OSQLParseNodesContainer::push_back(OSQLParseNode* _pNode)
+{
+    ::osl::MutexGuard aGuard(m_aMutex);
+    m_aNodes.push_back(_pNode);
+}
+
+void OSQLParseNodesContainer::erase(OSQLParseNode* _pNode)
+{
+    ::osl::MutexGuard aGuard(m_aMutex);
+    if ( !m_aNodes.empty() )
+    {
+        std::vector< OSQLParseNode* >::iterator aFind = std::find(m_aNodes.begin(), m_aNodes.end(),_pNode);
+        if ( aFind != m_aNodes.end() )
+            m_aNodes.erase(aFind);
+    }
+}
+
+void OSQLParseNodesContainer::clear()
+{
+    ::osl::MutexGuard aGuard(m_aMutex);
+    m_aNodes.clear();
+}
+
+void OSQLParseNodesContainer::clearAndDelete()
+{
+    ::osl::MutexGuard aGuard(m_aMutex);
+    // clear the garbage collector
+    while ( !m_aNodes.empty() )
+    {
+        OSQLParseNode* pNode = m_aNodes[0];
+        while ( pNode->getParent() )
+        {
+            pNode = pNode->getParent();
+        }
+        delete pNode;
+    }
+}
+}   // namespace connectivity
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */