有没有办法通过特定的操作符来过滤sql执行计划？

Question

我有一大堆在sql server 2008上运行的sql server语句我试图检查它的执行计划。其实它会产生大量的执行计划。 我只想显示具有特定操作员的执行计划。 例如，我想获得具有Table Scan操作符的执行计划。

任何方式来做这样的事情？

谢谢你提前。

Answer 1

回答此而回（Searching for table/index scans）

WITH XMLNAMESPACES(DEFAULT N'http://schemas.microsoft.com/sqlserver/2004/07/showplan'), 
CachedPlans 
(
ParentOperationID, 
OperationID, 
PhysicalOperator, 
LogicalOperator, 
EstimatedCost, 
EstimatedIO, 
EstimatedCPU, 
EstimatedRows, 
PlanHandle, 
QueryText, 
QueryPlan, 
CacheObjectType, 
ObjectType) 
AS 
(
SELECT 
RelOp.op.value(N'../../@NodeId', N'int') AS ParentOperationID, 
RelOp.op.value(N'@NodeId', N'int') AS OperationID, 
RelOp.op.value(N'@PhysicalOp', N'varchar(50)') AS PhysicalOperator, 
RelOp.op.value(N'@LogicalOp', N'varchar(50)') AS LogicalOperator, 
RelOp.op.value(N'@EstimatedTotalSubtreeCost ', N'float') AS EstimatedCost, 
RelOp.op.value(N'@EstimateIO', N'float') AS EstimatedIO, 
RelOp.op.value(N'@EstimateCPU', N'float') AS EstimatedCPU, 
RelOp.op.value(N'@EstimateRows', N'float') AS EstimatedRows, 
cp.plan_handle AS PlanHandle, 
st.TEXT AS QueryText, 
qp.query_plan AS QueryPlan, 
cp.cacheobjtype AS CacheObjectType, 
cp.objtype AS ObjectType 
FROM sys.dm_exec_cached_plans cp 
CROSS APPLY sys.dm_exec_sql_text(cp.plan_handle) st 
CROSS APPLY sys.dm_exec_query_plan(cp.plan_handle) qp 
CROSS APPLY qp.query_plan.nodes(N'//RelOp') RelOp (op) 
) 
SELECT 
PlanHandle, 
ParentOperationID, 
OperationID, 
PhysicalOperator, 
LogicalOperator, 
QueryText, 
CacheObjectType, 
ObjectType, 
EstimatedCost, 
EstimatedIO, 
EstimatedCPU, 
EstimatedRows 
FROM CachedPlans 
WHERE CacheObjectType = N'Compiled Plan' 
and 
(PhysicalOperator = 'Clustered Index Scan' or PhysicalOperator = 'Table Scan' 
or PhysicalOperator = 'Index Scan')