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#ifndef SQLITEWINDOWDEFINITION_H
#define SQLITEWINDOWDEFINITION_H
//#include "sqliteexpr.h"
//#include "sqliteorderby.h"
#include "sqlitestatement.h"
class SqliteExpr;
class SqliteOrderBy;
/**
* @addtogroup sqlite_statement
* @brief The SqliteWindowDefinition class
*/
class API_EXPORT SqliteWindowDefinition : public SqliteStatement
{
Q_OBJECT
public:
class API_EXPORT Window : public SqliteStatement
{
public:
class API_EXPORT Frame : public SqliteStatement
{
public:
class API_EXPORT Bound : public SqliteStatement
{
public:
enum class Type
{
UNBOUNDED_PRECEDING,
UNBOUNDED_FOLLOWING,
EXPR_PRECEDING,
EXPR_FOLLOWING,
CURRENT_ROW
};
Bound();
Bound(const Bound& other);
Bound(SqliteExpr* expr, const QString& value);
SqliteStatement* clone();
Type type = Type::CURRENT_ROW;
SqliteExpr* expr = nullptr;
protected:
TokenList rebuildTokensFromContents();
};
enum class RangeOrRows
{
RANGE,
ROWS,
GROUPS,
null
};
enum class Exclude
{
NO_OTHERS,
CURRENT_ROW,
GROUP,
TIES,
null
};
static RangeOrRows toRangeOrRows(const QString& value);
static QString fromRangeOrRows(RangeOrRows value);
static Exclude toExclude(const QString& value);
static QString fromExclude(Exclude value);
Frame();
Frame(const Frame& other);
Frame(RangeOrRows rangeOrRows, Bound* startBound, Bound* endBound, Exclude exclude);
SqliteStatement* clone();
RangeOrRows rangeOrRows = RangeOrRows::null;
Exclude exclude = Exclude::null;
Bound* startBound = nullptr;
Bound* endBound = nullptr;
protected:
TokenList rebuildTokensFromContents();
};
enum class Mode
{
PARTITION_BY,
ORDER_BY,
null
};
Window();
Window(const Window& other);
SqliteStatement* clone();
void initPartitionBy(const QString& name, const QList<SqliteExpr*>& exprList, const QList<SqliteOrderBy*>& orderBy, Frame* frame);
void initOrderBy(const QString& name, const QList<SqliteOrderBy*>& orderBy, Frame* frame);
void init(const QString& name, Frame* frame);
QString name;
QList<SqliteExpr*> exprList;
QList<SqliteOrderBy*> orderBy;
Frame* frame = nullptr;
Mode mode = Mode::null;
protected:
TokenList rebuildTokensFromContents();
private:
void initExprList(const QList<SqliteExpr*>& exprList);
void initOrderBy(const QList<SqliteOrderBy*>& orderBy);
void initFrame(Frame* frame);
};
SqliteWindowDefinition();
SqliteWindowDefinition(const SqliteWindowDefinition& other);
SqliteWindowDefinition(const QString& name, Window* window);
SqliteStatement* clone();
QString name = QString();
Window* window = nullptr;
protected:
TokenList rebuildTokensFromContents();
};
#endif // SQLITEWINDOWDEFINITION_H
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