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70 lines
2.4 KiB
70 lines
2.4 KiB
/* This file is part of the KDE project
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Copyright (C) 2006 Jaroslaw Staniek <js@iidea.pl>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef KEXIDB_QUERYSCHEMAPARAMETER_H
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#define KEXIDB_QUERYSCHEMAPARAMETER_H
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#include "queryschema.h"
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namespace KexiDB
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{
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//! @short A single parameter of a query schema
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class KEXI_DB_EXPORT QuerySchemaParameter
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{
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public:
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QuerySchemaParameter();
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~QuerySchemaParameter();
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TQString debugString() const;
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Field::Type type; //!< A datatype of the parameter
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TQString message; //!< A user-visible message that will be displayed to ask for value of the parameter
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};
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typedef TQValueList<QuerySchemaParameter> QuerySchemaParameterList;
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typedef TQValueList<QuerySchemaParameter>::Iterator QuerySchemaParameterListIterator;
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typedef TQValueList<QuerySchemaParameter>::ConstIterator QuerySchemaParameterListConstIterator;
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//! Shows debug information for \a list
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KEXI_DB_EXPORT void debug(const QuerySchemaParameterList& list);
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//! @short An iteratof for a list of values of query schema parameters providing
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//! Allows to iterate over parameters and return TQVariant value or well-formatted string.
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//! The iterator is initially set to the last item because of the parser requirements
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class KEXI_DB_EXPORT QuerySchemaParameterValueListIterator
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{
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public:
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QuerySchemaParameterValueListIterator(const Driver& driver, const TQValueList<TQVariant>& params);
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~QuerySchemaParameterValueListIterator();
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//! \return previous value
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TQVariant getPreviousValue();
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//! \return previous value as string formatted using driver's escaping
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TQString getPreviousValueAsString(Field::Type type);
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protected:
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class Private;
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Private * const d;
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};
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} //namespace KexiDB
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#endif
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