158 lines
4.4 KiB
C++
158 lines
4.4 KiB
C++
/**************************************************************************
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**
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** This file is part of Nut project.
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** https://github.com/HamedMasafi/Nut
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**
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** Nut is free software: you can redistribute it and/or modify
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** it under the terms of the GNU Lesser General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** Nut 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
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** GNU Lesser General Public License for more details.
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**
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** You should have received a copy of the GNU Lesser General Public License
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** along with Nut. If not, see <http://www.gnu.org/licenses/>.
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**
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**************************************************************************/
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#include "mysqlgenerator.h"
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#include "../tablemodel.h"
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#include <QPoint>
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#include <QPointF>
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NUT_BEGIN_NAMESPACE
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MySqlGenerator::MySqlGenerator(Database *parent) : SqlGeneratorBase(parent)
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{
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}
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QString MySqlGenerator::fieldType(FieldModel *field)
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{
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QString dbType;
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switch (field->type) {
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case QVariant::Bool:
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dbType = "BOOLEAN";
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break;
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case QVariant::ByteArray:
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dbType = "BLOB";
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break;
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case QVariant::DateTime:
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dbType = "DATETIME";
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break;
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case QVariant::Date:
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dbType = "DATE";
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break;
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case QVariant::Time:
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dbType = "TIME";
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break;
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case QVariant::Double:
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dbType = "REAL";
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break;
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case QVariant::Int:
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dbType = "INT(4)";
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if(field->isAutoIncrement)
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dbType += " AUTO_INCREMENT";
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break;
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case QVariant::String:
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if(field->length)
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dbType = QString("VARCHAR(%1)").arg(field->length);
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else
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dbType = "TEXT";
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break;
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case QVariant::Point:
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case QVariant::PointF:
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dbType = "POINT";
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break;
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case QVariant::Polygon:
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case QVariant::PolygonF:
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dbType = "POLYGON";
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break;
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case QVariant::Uuid:
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dbType = "VARCHAR(64)";
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break;
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default:
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qWarning("Type %s::%s(%d) is not supported",
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qPrintable(field->name),
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QMetaType::typeName(field->type),
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field->type);
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dbType = "";
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}
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if(field->typeName == QStringLiteral("Nut::DbGeography"))
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dbType = "GEOMETRY";
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return dbType;
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}
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QString MySqlGenerator::escapeValue(const QVariant &v) const
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{
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switch (v.type()) {
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case QVariant::Point: {
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QPoint pt = v.toPoint();
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return QString("GeomFromText('POINT(%1 %2)',0)").arg(pt.x()).arg(pt.y());
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}
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case QVariant::PointF: {
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QPointF pt = v.toPointF();
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return QString("GeomFromText('POINT(%1 %2)',0)").arg(pt.x()).arg(pt.y());
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}
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default:
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return SqlGeneratorBase::escapeValue(v);
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}
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}
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QVariant MySqlGenerator::readValue(const QVariant::Type &type, const QVariant &dbValue)
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{
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if (type == QVariant::PointF) {
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qDebug() << "QVariant::PointF" << dbValue;
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}
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return SqlGeneratorBase::readValue(type, dbValue);
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}
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//QString MySqlGenerator::phrase(const PhraseData *d) const
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//{
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// if (d->operatorCond == PhraseData::Distance) {
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// return QString("ST_Distance(%1, %2)")
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// .arg(d->left->text)
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// .arg(escapeValue(d->operand.toPointF()));
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// }
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// return SqlGeneratorBase::phrase(d);
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//}
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//QString MySqlGenerator::selectCommand(SqlGeneratorBase::AgregateType t,
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// QString agregateArg,
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// QString tableName,
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// QList<WherePhrase> &wheres,
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// QList<WherePhrase> &orders,
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// QList<RelationModel*> joins,
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// int skip, int take)
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//{
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// QString command = SqlGeneratorBase::selectCommand(t, agregateArg,
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// tableName,
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// wheres, orders,
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// joins, skip, take);
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// if (take != -1 && skip != -1)
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// command.append(QString(" LIMIT %1 OFFSET %2")
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// .arg(take)
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// .arg(skip));
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// return command;
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//}
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NUT_END_NAMESPACE
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