77 lines
1.8 KiB
MySQL
77 lines
1.8 KiB
MySQL
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-- Copyright 2018 Tanel Poder. All rights reserved. More info at https://tanelpoder.com
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-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
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COL approx_elapsed_time FOR A30
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BREAK ON ash_sql_id SKIP 1
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WITH ash AS (
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SELECT
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sql_id
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, session_id
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, sample_time
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, sample_time - CAST(MIN(sql_exec_start)
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OVER(PARTITION BY session_id,session_serial#,sql_exec_start,sql_exec_id)
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AS TIMESTAMP) elapsed_time
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, sql_exec_start
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, sql_exec_id
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, COUNT(*) seconds
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FROM
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gv$active_session_history
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WHERE
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sql_id LIKE '&1'
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AND &2
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AND sample_time BETWEEN &3 AND &4
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GROUP BY
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sql_id
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, session_id
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, session_serial#
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, sample_time
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, sql_exec_start
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, sql_exec_id
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),
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longrunning AS (
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SELECT * FROM ash
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WHERE
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elapsed_time > INTERVAL '1' SECOND
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),
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individualexecutions AS (
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SELECT
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sql_id
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, sql_exec_start
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-- an earlier analytic function already does the "partition by session_id,session_serial#"
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, MAX(elapsed_time) approx_elapsed_time
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, TRUNC((EXTRACT(DAY FROM MAX(elapsed_time)) * 24 * 60 * 60) +
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(EXTRACT(HOUR FROM MAX(elapsed_time)) * 60 * 60) +
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(EXTRACT(MINUTE FROM MAX(elapsed_time)) * 60) +
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(EXTRACT(SECOND FROM MAX(elapsed_time)))
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) as approx_elapsed_sec
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, SUM(seconds) sqlexec_db_time
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, COUNT(DISTINCT session_id) sessions
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FROM longrunning
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GROUP BY
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sql_id
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, sql_exec_start
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ORDER BY
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sql_id
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, sql_exec_start
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, COUNT(*) DESC
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)
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SELECT
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sql_id as ash_sql_id
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, approx_elapsed_sec
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, SUM(sqlexec_db_time) total_db_time
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, MIN(sql_exec_start) first_seen_start
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, MAX(sql_exec_start) last_seen_start
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FROM
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individualexecutions
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GROUP BY
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sql_id
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, approx_elapsed_sec
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ORDER BY
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sql_id
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, approx_elapsed_sec
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/
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