本文整理汇总了C#中System.Data.Common.CommandTrees.DbCommandTree.GetType方法的典型用法代码示例。如果您正苦于以下问题:C# DbCommandTree.GetType方法的具体用法?C# DbCommandTree.GetType怎么用?C# DbCommandTree.GetType使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Data.Common.CommandTrees.DbCommandTree
的用法示例。
在下文中一共展示了DbCommandTree.GetType方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetAffectedEntitySets
private void GetAffectedEntitySets(DbCommandTree commandTree)
{
FindAffectedEntitySetsVisitor visitor = new FindAffectedEntitySetsVisitor(this.affectedEntitySets, this.functionsUsed);
DbQueryCommandTree queryTree = commandTree as DbQueryCommandTree;
if (queryTree != null)
{
queryTree.Query.Accept(visitor);
return;
}
DbUpdateCommandTree updateTree = commandTree as DbUpdateCommandTree;
if (updateTree != null)
{
this.IsModification = true;
updateTree.Target.Expression.Accept(visitor);
updateTree.Predicate.Accept(visitor);
if (updateTree.Returning != null)
{
updateTree.Returning.Accept(visitor);
}
return;
}
DbInsertCommandTree insertTree = commandTree as DbInsertCommandTree;
if (insertTree != null)
{
this.IsModification = true;
insertTree.Target.Expression.Accept(visitor);
if (insertTree.Returning != null)
{
insertTree.Returning.Accept(visitor);
}
return;
}
DbDeleteCommandTree deleteTree = commandTree as DbDeleteCommandTree;
if (deleteTree != null)
{
this.IsModification = true;
deleteTree.Target.Expression.Accept(visitor);
if (deleteTree.Predicate != null)
{
deleteTree.Predicate.Accept(visitor);
}
return;
}
throw new NotSupportedException("Command tree type " + commandTree.GetType() + " is not supported.");
}