RelationalQueryModelVisitor.OptimizeJoinClause 方法
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
优化联接子句。
protected virtual void OptimizeJoinClause (Remotion.Linq.Clauses.JoinClause joinClause, Remotion.Linq.QueryModel queryModel, int index, Action baseVisitAction, System.Reflection.MethodInfo operatorToFlatten, bool outerJoin = false);
protected virtual void OptimizeJoinClause (Remotion.Linq.Clauses.JoinClause joinClause, Remotion.Linq.QueryModel queryModel, int index, Action baseVisitAction, System.Reflection.MethodInfo operatorToFlatten, bool groupJoin = false);
abstract member OptimizeJoinClause : Remotion.Linq.Clauses.JoinClause * Remotion.Linq.QueryModel * int * Action * System.Reflection.MethodInfo * bool -> unit
override this.OptimizeJoinClause : Remotion.Linq.Clauses.JoinClause * Remotion.Linq.QueryModel * int * Action * System.Reflection.MethodInfo * bool -> unit
abstract member OptimizeJoinClause : Remotion.Linq.Clauses.JoinClause * Remotion.Linq.QueryModel * int * Action * System.Reflection.MethodInfo * bool -> unit
override this.OptimizeJoinClause : Remotion.Linq.Clauses.JoinClause * Remotion.Linq.QueryModel * int * Action * System.Reflection.MethodInfo * bool -> unit
Protected Overridable Sub OptimizeJoinClause (joinClause As JoinClause, queryModel As QueryModel, index As Integer, baseVisitAction As Action, operatorToFlatten As MethodInfo, Optional outerJoin As Boolean = false)
Protected Overridable Sub OptimizeJoinClause (joinClause As JoinClause, queryModel As QueryModel, index As Integer, baseVisitAction As Action, operatorToFlatten As MethodInfo, Optional groupJoin As Boolean = false)
参数
- joinClause
- Remotion.Linq.Clauses.JoinClause
正在访问的 join 子句。
- queryModel
- Remotion.Linq.QueryModel
查询模型。
- index
- Int32
正在访问的节点的索引。
- baseVisitAction
- Action
基本访问操作。
- operatorToFlatten
- MethodInfo
要平展的运算符。
- outerJoingroupJoin
- Boolean
如果应执行外部联接,则为 true。