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/*
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* Copyright (C) 2015 Christian Ehringfeld <c.ehringfeld@t-online.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* 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 this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef QUERY_H
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#define QUERY_H
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#include <QString>
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#include <QHash>
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#include <QVariant>
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#include <QLinkedList>
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#include "join.h"
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#include "expression.h"
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#include "orderby.h"
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namespace CuteEntityManager {
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class Condition;
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class OrderBy;
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enum class Direction;
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class Query {
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public:
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Query();
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~Query();
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Query(QStringList from, QList<Expression> where = QList<Expression>(),
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QList<Join> joins = QList<Join>(),
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QHash<QString, QVariant> params = QHash<QString, QVariant>(), quint64 limit = 0,
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quint64 offset = 0,
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QList<Expression> select = QList<Expression>(),
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QStringList groupBy = QStringList(), bool distinct = false,
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QList<Expression> having = QList<Expression>());
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QString getSelectOption() const;
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void setSelectOption(const QString &value);
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bool getDistinct() const;
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void setDistinct(bool value);
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void appendFrom(const QString &value);
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QStringList getFrom() const;
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void setFrom(const QStringList &value);
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void appendJoin(const Join &value);
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void appendJoins(const QList<Join> &value);
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QList<Join> getJoins() const;
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void setJoins(const QList<Join> &value);
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void appendParam(const QString &column, QVariant value);
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void appendParams(const QHash<QString, QVariant> ¶ms);
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QHash<QString, QVariant> getParams() const;
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void setParams(const QHash<QString, QVariant> &value);
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quint64 getLimit() const;
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void setLimit(const quint64 &value);
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quint64 getOffset() const;
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void setOffset(const quint64 &value);
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void appendOrderBy(const OrderBy &orderBy);
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void appendOrderBy(const QString &column, const Direction &direction);
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QList<OrderBy> getOrderBy() const;
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void setOrderBy(const QList<OrderBy> &value);
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void appendGroupBy(const QString &value);
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QStringList getGroupBy() const;
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void setGroupBy(const QStringList &value);
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QList<Expression> getSelect() const;
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void appendSelect(const Expression &value);
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void appendSelect(const QString &value);
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void setSelect(const QList<Expression> &value);
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void setSelect(const QStringList &value);
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void appendWhere(const QString &condition);
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void appendWhere(const Expression &condition);
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QList<Expression> getWhere() const;
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void setWhere(const QList<Expression> &value);
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void appendHaving(const QString &condition);
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void appendHaving(const Expression &condition);
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QList<Expression> getHaving() const;
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void setHaving(const QList<Expression> &value);
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private:
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QList<Expression> select;
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QString selectOption = QStringLiteral("");
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bool distinct = false;
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QStringList from;
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QStringList groupBy;
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QList<OrderBy> orderBy;
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QList<Expression> where;
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QList<Expression> having;
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QList<Join> joins;
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QHash<QString, QVariant> params;
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quint64 limit = 0;
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quint64 offset = 0;
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};
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enum class JokerPosition {
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FRONT, // e.g. "%foo"
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BEHIND, // e.g. "foo%"
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BOTH, // e.g. "%foo%"
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NONE
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};
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}
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#endif // QUERY_H
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