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author | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-01-20 01:29:50 +0000 |
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committer | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-01-20 01:29:50 +0000 |
commit | 8362bf63dea22bbf6736609b0f49c152f975eb63 (patch) | |
tree | 0eea3928e39e50fae91d4e68b21b1e6cbae25604 /kexi/kexidb/preparedstatement.cpp | |
download | koffice-8362bf63dea22bbf6736609b0f49c152f975eb63.tar.gz koffice-8362bf63dea22bbf6736609b0f49c152f975eb63.zip |
Added old abandoned KDE3 version of koffice
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kexi/kexidb/preparedstatement.cpp')
-rw-r--r-- | kexi/kexidb/preparedstatement.cpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/kexi/kexidb/preparedstatement.cpp b/kexi/kexidb/preparedstatement.cpp new file mode 100644 index 00000000..24947dff --- /dev/null +++ b/kexi/kexidb/preparedstatement.cpp @@ -0,0 +1,136 @@ +/* This file is part of the KDE project + Copyright (C) 2005 Jaroslaw Staniek <js@iidea.pl> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. +*/ + +#include "preparedstatement.h" + +#include <kexidb/connection.h> +#include <kexidb/connection_p.h> +#include <kdebug.h> + +using namespace KexiDB; + +PreparedStatement::PreparedStatement(StatementType type, ConnectionInternal& conn, + FieldList& fields, const QStringList& where) + : KShared() + , m_type(type) + , m_fields(&fields) + , m_where(where.isEmpty() ? new QStringList(where) : 0) + , m_whereFields(0) +{ + Q_UNUSED(conn); +} + +PreparedStatement::~PreparedStatement() +{ + delete m_where; + delete m_whereFields; +} + +QCString PreparedStatement::generateStatementString() +{ + QCString s(1024); + if (m_type == SelectStatement) { +//! @todo only tables and trivial queries supported for select... + s = "SELECT "; + bool first = true; +// for (uint i=0; i<m_fields->fieldCount(); i++) { + for (Field::ListIterator it(m_fields->fieldsIterator()); it.current(); ++it) { + if (first) + first = false; + else + s.append(", "); + s.append(it.current()->name().latin1()); + } + first = true; + s.append(" WHERE "); +// for (uint i=0; i<m_fields->fieldCount(); i++) { + + m_whereFields = new Field::List(); + for (QStringList::ConstIterator it=m_where->constBegin(); it!=m_where->constEnd(); ++it) { +// for (Field::ListIterator it(m_fields->fieldsIterator()); it.current(); ++it) { + if (first) + first = false; + else + s.append(" AND "); + Field *f = m_fields->field(*it); + if (!f) { + KexiDBWarn << "PreparedStatement::generateStatementString(): no '" + << *it << "' field found" << endl; + continue; + } + m_whereFields->append(f); + s.append((*it).latin1()); + s.append("=?"); + } + } + else if (m_type == InsertStatement /*&& dynamic_cast<TableSchema*>(m_fields)*/) { +//! @todo only tables supported for insert; what about views? + + TableSchema *table = m_fields->fieldCount()>0 ? m_fields->field(0)->table() : 0; + if (!table) + return ""; //err + + QCString namesList; + bool first = true; + const bool allTableFieldsUsed = dynamic_cast<TableSchema*>(m_fields); //we are using a selection of fields only + Field::ListIterator it = m_fields->fieldsIterator(); + for (uint i=0; i<m_fields->fieldCount(); i++, ++it) { + if (first) { + s.append( "?" ); + if (!allTableFieldsUsed) + namesList = it.current()->name().latin1(); + first = false; + } else { + s.append( ",?" ); + if (!allTableFieldsUsed) + namesList.append(QCString(", ")+it.current()->name().latin1()); + } + } + s.append(")"); + s.prepend(QCString("INSERT INTO ") + table->name().latin1() + + (allTableFieldsUsed ? QCString() : (" (" + namesList + ")")) + + " VALUES ("); + } + return s; +} + +PreparedStatement& PreparedStatement::operator<< ( const QVariant& value ) +{ + m_args.append(value); + return *this; +} + +/*bool PreparedStatement::insert() +{ + const bool res = m_conn->drv_prepareStatement(this); + const bool res = m_conn->drv_insertRecord(this); + clearArguments(); + return res; +} + +bool PreparedStatement::select() +{ + const bool res = m_conn->drv_bindArgumentForPreparedStatement(this, m_args.count()-1); +}*/ + +void PreparedStatement::clearArguments() +{ + m_args.clear(); +} + |