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Common.Program.WriteObjectLog("law详细查询", new
{
this.Command
}, endTime: new DateTime(2018, 9, 30, 20, 0, 0));
#if DEBUG
return Search(query);
#else
try
{
return Search(query);
}
catch (Exception ex)
{
Common.Program.WriteObjectLog("law详细查询", new
{
query,
error = ex.ToString()
});
throw;
}
#endif
这里首先使用条件编译语句,区分 BEBUG 和 Release,在 DEBUG 中根本不去 try...catch。
然后在 Release 的时候,在特定的日志文件中,记录了参数 query 和 异常堆栈信息。当出现错误的时候,你需要贴出特定的日志文件,查看当时的变量值和异常堆栈。如果贴不出来错误日志,那就不算是能够 debug。这就好像一个庸医不首先拿到诊断书,而是只能乱猜乱想什么以学书本上的教条。SELECT TOP 10 OBJECT_NAME(qt.objectid, qt.dbId) AS procName,
DB_NAME(qt.dbId) AS [db_name],
qt.text AS SQL_Full,
SUBSTRING(
qt.text,
(qs.statement_start_offset / 2) + 1,
(
(
CASE statement_end_offset
WHEN -1 THEN DATALENGTH(qt.text)
ELSE qs.statement_end_offset
END
- qs.statement_start_offset
) / 2
) + 1
) AS SQL_Part --统计对应的部分语句
,
qs.creation_time,
qs.last_execution_time,
qs.execution_count,
qs.last_elapsed_time / 1000000 AS lastElapsedSeconds,
qs.last_worker_time / 1000000 AS lastCpuSeconds,
CAST(
qs.total_elapsed_time / 1000000.0 / (
CASE
WHEN qs.execution_count = 0 THEN -1
ELSE qs.execution_count
END
) AS DECIMAL(28, 2)
) AS avgDurationSeconds,
CAST(qs.last_logical_reads AS BIGINT) * 1.0 / (1024 * 1024) * 8060 AS
lastLogicReadsMB,
qs.last_logical_reads,
qs.plan_handle
FROM sys.dm_exec_query_stats qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
CROSS APPLY sys.dm_exec_query_plan(qs.plan_handle) AS p
WHERE qs.last_execution_time >= CONVERT(CHAR(10),GETDATE(),120)+' 08:00' --今天8点之后的慢SQL
AND qs.last_elapsed_time >= 3 * 1000 * 1000 --只取执行时间大于 3 秒的记录
AND qt.[text] NOT LIKE '%Proc_DBA%'
ORDER BY
qs.last_worker_time DESC
[/quote]
我用的sql2005执行不了额,
消息 102,级别 15,状态 1,第 36 行
'.' 附近有语法错误。
这一行 CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
SELECT TOP 10 OBJECT_NAME(qt.objectid, qt.dbId) AS procName,
DB_NAME(qt.dbId) AS [db_name],
qt.text AS SQL_Full,
SUBSTRING(
qt.text,
(qs.statement_start_offset / 2) + 1,
(
(
CASE statement_end_offset
WHEN -1 THEN DATALENGTH(qt.text)
ELSE qs.statement_end_offset
END
- qs.statement_start_offset
) / 2
) + 1
) AS SQL_Part --统计对应的部分语句
,
qs.creation_time,
qs.last_execution_time,
qs.execution_count,
qs.last_elapsed_time / 1000000 AS lastElapsedSeconds,
qs.last_worker_time / 1000000 AS lastCpuSeconds,
CAST(
qs.total_elapsed_time / 1000000.0 / (
CASE
WHEN qs.execution_count = 0 THEN -1
ELSE qs.execution_count
END
) AS DECIMAL(28, 2)
) AS avgDurationSeconds,
CAST(qs.last_logical_reads AS BIGINT) * 1.0 / (1024 * 1024) * 8060 AS
lastLogicReadsMB,
qs.last_logical_reads,
qs.plan_handle
FROM sys.dm_exec_query_stats qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
CROSS APPLY sys.dm_exec_query_plan(qs.plan_handle) AS p
WHERE qs.last_execution_time >= CONVERT(CHAR(10),GETDATE(),120)+' 08:00' --今天8点之后的慢SQL
AND qs.last_elapsed_time >= 3 * 1000 * 1000 --只取执行时间大于 3 秒的记录
AND qt.[text] NOT LIKE '%Proc_DBA%'
ORDER BY
qs.last_worker_time DESC