[SQL Server] Afficher à partir du cache le plan d’exécution et les statistiques d’exécution d’une fonction sql
SELECT
OBJECT_NAME(object_id, database_id) AS function_name,
DB_NAME(database_id) AS database_name,
execution_count,
total_elapsed_time / 1000.0 AS total_elapsed_ms,
(total_elapsed_time / execution_count) / 1000.0 AS avg_elapsed_ms,
total_worker_time / 1000.0 AS total_cpu_ms,
total_logical_reads,
total_physical_reads,
total_logical_writes,
last_execution_time,
cached_time
FROM sys.dm_exec_function_stats
WHERE database_id = DB_ID()
ORDER BY total_elapsed_time DESC;
SELECT
DB_NAME(st.dbid) AS database_name,
OBJECT_NAME(st.objectid, st.dbid) AS object_name,
qs.execution_count,
qs.total_worker_time / 1000.0 AS total_cpu_ms,
qs.total_elapsed_time / 1000.0 AS total_elapsed_ms,
(qs.total_elapsed_time / qs.execution_count) / 1000.0 AS avg_elapsed_ms,
qs.last_execution_time,
qs.creation_time,
SUBSTRING(st.text, (qs.statement_start_offset/2)+1,
((CASE qs.statement_end_offset
WHEN -1 THEN DATALENGTH(st.text)
ELSE qs.statement_end_offset END
- qs.statement_start_offset)/2)+1) AS query_text
FROM sys.dm_exec_query_stats AS qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS st
WHERE st.objectid = OBJECT_ID('dbo.NomDeTaFonction')
ORDER BY qs.total_elapsed_time DESC;
SELECT
OBJECT_NAME(st.objectid, st.dbid) AS function_name,
cp.cacheobjtype,
cp.objtype,
cp.usecounts,
qp.query_plan
FROM sys.dm_exec_cached_plans AS cp
CROSS APPLY sys.dm_exec_sql_text(cp.plan_handle) AS st
CROSS APPLY sys.dm_exec_query_plan(cp.plan_handle) AS qp
WHERE st.objectid = OBJECT_ID('dbo.NomDeTaFonction');