类的使用
org.h2.command.query.SelectGroups

使用SelectGroups的程序包

程序包	说明
org.h2.command.query	Contains queries.
org.h2.expression.aggregate	Aggregate functions.
org.h2.expression.analysis	Base classes for data analysis operations and implementations of window functions.

org.h2.command.query中SelectGroups的使用

返回SelectGroups的org.h2.command.query中的方法

限定符和类型	方法和说明
SelectGroups	Select.getGroupDataIfCurrent(boolean window) Get the group data if there is currently a group-by active.
SelectGroups	Select.getGroupDataIfCurrent(boolean window) Get the group data if there is currently a group-by active.
static SelectGroups	SelectGroups.getInstance(SessionLocal session, ArrayList<Expression> expressions, boolean isGroupQuery, int[] groupIndex) Creates new instance of grouped data.
static SelectGroups	SelectGroups.getInstance(SessionLocal session, ArrayList<Expression> expressions, boolean isGroupQuery, int[] groupIndex) Creates new instance of grouped data.

org.h2.expression.aggregate中SelectGroups的使用

参数类型为SelectGroups的org.h2.expression.aggregate中的方法

限定符和类型	方法和说明
protected void	AbstractAggregate.updateAggregate(SessionLocal session, SelectGroups groupData, int groupRowId)
protected void	AbstractAggregate.updateAggregate(SessionLocal session, SelectGroups groupData, int groupRowId)

org.h2.expression.analysis中SelectGroups的使用

参数类型为SelectGroups的org.h2.expression.analysis中的方法

限定符和类型	方法和说明
protected Object	DataAnalysisOperation.getGroupData(SelectGroups groupData, boolean ifExists) Get the aggregate group data object from the collector object.
protected Object	DataAnalysisOperation.getGroupData(SelectGroups groupData, boolean ifExists) Get the aggregate group data object from the collector object.
protected Object	DataAnalysisOperation.getWindowData(SessionLocal session, SelectGroups groupData, boolean forOrderBy) Get the aggregate data for a window clause.
protected Object	DataAnalysisOperation.getWindowData(SessionLocal session, SelectGroups groupData, boolean forOrderBy) Get the aggregate data for a window clause.
protected abstract void	DataAnalysisOperation.updateAggregate(SessionLocal session, SelectGroups groupData, int groupRowId) Update a row of an aggregate.
protected void	WindowFunction.updateAggregate(SessionLocal session, SelectGroups groupData, int groupRowId)
protected void	WindowFunction.updateAggregate(SessionLocal session, SelectGroups groupData, int groupRowId)
protected abstract void	DataAnalysisOperation.updateAggregate(SessionLocal session, SelectGroups groupData, int groupRowId) Update a row of an aggregate.
protected void	DataAnalysisOperation.updateOrderedAggregate(SessionLocal session, SelectGroups groupData, int groupRowId, ArrayList<QueryOrderBy> orderBy) Update a row of an ordered aggregate.
protected void	DataAnalysisOperation.updateOrderedAggregate(SessionLocal session, SelectGroups groupData, int groupRowId, ArrayList<QueryOrderBy> orderBy) Update a row of an ordered aggregate.