[20220129]完善tpt ash ash_index_helperx脚本.txt

[20220129]完善tpt ash ash_index_helperx脚本.txt --//tpt scripts包的ash目录下有两个脚本ash_index_helperx.sql，ash_index_helper.sql脚本用来定位表来提供索引建立帮助。 --//不过我下载执行包如下错误。 SYS@127.0.0.1:9105/dbcn> @ash/ash_index_helper % portal_his.EMR_WJZ  &day -- Santa's Little (Index) Helper BETA v0.5 - by Tanel Poder ( https://tanelpoder.com ) AND sq.sql_plan_hash_value(+) = plan.plan_hash_value                               * ERROR at line 88: ORA-01417: a table may be outer joined to at most one other table --//我仅仅修改删除外连接的加号+在118行处。修改如下： --//ash_index_helperx脚本修改类似。 --AND sq.sql_id(+) = plan.sql_id --AND sq.sql_child_number(+) = plan.child_number --AND sq.sql_plan_line_id(+) = plan.id --AND sq.sql_plan_hash_value(+) = plan.plan_hash_value AND sq.sql_id = plan.sql_id AND sq.sql_child_number = plan.child_number AND sq.sql_plan_line_id = plan.id AND sq.sql_plan_hash_value = plan.plan_hash_value --//使用中还发现一个小问题aindex_predicates显示宽度仅仅60,有点窄,如果加宽也不合适,而且后面使用truncate,导致显示信息被 --//截断,无法清楚的知道在那个字段上建立索引,更改一下,在加入参数&5, &6 ,增加一些灵活性.增加如下代码: COL v_filter    new_value v_filter COL v_truncate  new_value v_truncate set term off select decode('&&5',NULL,'1=1','0','1=1',q'aindex_operation not like '%INDEX%'') v_filter , decode('&&6',NULL,'truncate','0','truncate','wrap') v_truncate from dual; set term on --//说明:输入'',0 使用原来模式,输入1对于参数5,不查询掉索引存取模式,对于参数6显示PREDICATES使用wrap. --//例子如下: @ash/ash_index_helper % owner.table_name &day '' '' --//原来的模式. @ash/ash_index_helper % owner.table_name &day 0  0 --//原来的模式. @ash/ash_index_helper % owner.table_name &day 1  1  --//过滤掉索引存取模式以及显示PREDICATES使用truncate --//注意一点过滤索引存取模式,也过滤INDEX RANGE SCAN 过滤,可能建立的索引不合适,也要引起注意. --//另外可以这样输入: @ash/ash_index_helper % owner.% &day 0 0 --//这样可以定位该schema模式下最有问题的sql语句. --//注意脚本中的^G字符要使用ctrl+v ctrl+g输入. $ cat -vs ash_index_helper.sql -- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com -- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions. SET LINESIZE 999 PAGESIZE 5000 TRIMOUT ON TRIMSPOOL ON --define 5 = decode('&&5',NULL,q'^Gaindex_operation like '%INDEX%'^G','1=1') --define 6 = decode('&&6',NULL,'','truncate') COL v_filter    new_value v_filter COL v_truncate  new_value v_truncate set term off select decode('&&5',NULL,'1=1','0','1=1',q'^Gaindex_operation not like '%INDEX%'^G') v_filter , decode('&&6',NULL,'truncate','0','truncate','wrap') v_truncate from dual; set term on COL accessed_table     HEAD Accessed_Table FOR a20 COL aindex_operation  HEAD Plan_Operation FOR a60 COL aindex_predicates HEAD PREDICATES     FOR a60  &&v_truncate --COL aindex_predicates HEAD PREDICATES     FOR a60 truncate COL obj_alias_qbc_name FOR a40 COL options   FOR a30 COL AAS                 FOR 9999.9 COL cpu_pct  HEAD CPU  FOR A5 COL wait_pct HEAD WAIT FOR A5 COL ela_sec_exec HEAD "ELA_SEC/EXEC" FOR 9999990.999 COL aindex_plan_hash_value HEAD PLAN_HASH_VALUE   PRINT COL aindex_sql_id          HEAD SQL_ID          NOPRINT COL aindex_sql_child       HEAD "CHILD"          PRINT COL aindex_sample_time     HEAD SAMPLE_HOUR COL projection FOR A520 COL pct_child HEAD "Activity %" FOR A8 COL pct_child_vis HEAD "Visual" FOR A12 COL aindex_id        HEAD "ID" FOR 9999 COL aindex_parent_id HEAD "PID"  FOR 9999 col module1 format a20 PROMPT PROMPT -- Santa's Little (Index) Helper BETA v0.5 - by Tanel Poder ( https://tanelpoder.com ) WITH tab AS (SELECT /*+ NO_MERGE */ owner, table_name, num_rows         FROM dba_tables         WHERE UPPER(table_name) LIKE                 UPPER(CASE                   WHEN INSTR('&2','.') > 0 THEN                       SUBSTR('&2',INSTR('&2','.')+1)                   ELSE                       '&2'                   END                      ) ESCAPE '\'         AND owner LIKE             CASE WHEN INSTR('&2','.') > 0 THEN               UPPER(SUBSTR('&2',1,INSTR('&2','.')-1))             ELSE               user             END ESCAPE '\' ), ind AS (SELECT /*+ NO_MERGE */ owner, index_name, table_owner, table_name         FROM dba_indexes         WHERE (table_owner, table_name) IN (SELECT owner, table_name FROM tab)), sample_times AS (     select * from dual ), sq AS ( SELECT     count(*) samples   , ash.sql_id   , ash.sql_child_number   , ash.sql_plan_hash_value   , NVL(ash.sql_plan_line_id,1) sql_plan_line_id -- this is because simple "planless" operations like single-row insert   , ash.sql_plan_operation   , ash.sql_plan_options   , ash.session_state   , ash.wait_class   , ash.event   , lower(ash.module) module1 FROM     v$active_session_history ash WHERE     1=1 AND ash.sql_plan_operation IN ('TABLE ACCESS', 'INDEX') AND ash.sql_id LIKE '&1' AND ash.sample_time BETWEEN &3 AND &4 GROUP BY     ash.sql_id   , ash.sql_child_number   , ash.sql_plan_hash_value   , NVL(ash.sql_plan_line_id,1)   , ash.sql_plan_operation   , ash.sql_plan_options   , ash.session_state   , ash.wait_class   , ash.event   , lower(ash.module) ), ash_and_plan AS ( SELECT     plan.sql_id   , plan.child_number   , plan.plan_hash_value   , sq.samples seconds   , LPAD(TO_CHAR(ROUND(RATIO_TO_REPORT(sq.samples) OVER (PARTITION BY sq.sql_id, sq.sql_plan_hash_value) * 100, 1), 999.9)||' %',8) pct_child   , '|'||RPAD( NVL( LPAD('#', ROUND(RATIO_TO_REPORT(sq.samples) OVER (PARTITION BY sq.sql_id, sq.sql_plan_hash_value) * 10), '#'), ' '), 10,' ')||'|' pct_child_vis --, LPAD(plan.id,4)||CASE WHEN parent_id IS NULL THEN '    ' ELSE ' <- ' END||LPAD(plan.parent_id,4) aindex_plan_id   , plan.id aindex_id   , plan.parent_id aindex_parent_id   , plan.operation ||' '|| plan.options || NVL2(plan.object_name, ' ['||plan.object_owner||'.'||plan.object_name ||']', null) aindex_operation   , plan.object_owner   , plan.object_name   , plan.object_type   , plan.cardinality   , stat.executions   , stat.elapsed_time   , sq.session_state   , sq.wait_class   , sq.event   , sq.module1   , plan.object_alias || CASE WHEN plan.qblock_name IS NOT NULL THEN ' ['|| plan.qblock_name || ']' END obj_alias_qbc_name   , CASE WHEN plan.access_predicates IS NOT NULL THEN '[A:] '|| SUBSTR(plan.access_predicates,1,1994) END || CASE WHEN plan.filter_predicates IS NOT NULL THEN ' [F:] ' || SUBSTR(plan.filter_predicates,1,1994) END aindex_predicates --  , plan.projection FROM     v$sql_plan plan   , v$sqlstats_plan_hash stat   , sq WHERE     1=1 --AND sq.sql_id(+) = plan.sql_id --AND sq.sql_child_number(+) = plan.child_number --AND sq.sql_plan_line_id(+) = plan.id --AND sq.sql_plan_hash_value(+) = plan.plan_hash_value AND sq.sql_id = plan.sql_id AND sq.sql_child_number = plan.child_number AND sq.sql_plan_line_id = plan.id AND sq.sql_plan_hash_value = plan.plan_hash_value -- AND sq.sql_id(+) = stat.sql_id AND sq.sql_plan_hash_value(+) = stat.plan_hash_value --AND sq.sql_plan_hash_value = stat.plan_hash_value AND stat.sql_id = plan.sql_id AND stat.plan_hash_value = plan.plan_hash_value -- AND plan.sql_id LIKE '&1' ---- ) SELECT * FROM (     SELECT         SUM(ap.seconds) seconds       , ROUND(SUM(ap.seconds) / ((CAST(&4 AS DATE) - CAST(&3 AS DATE)) * 86400), 1) AAS       , LPAD(TO_CHAR(ROUND(SUM(CASE WHEN ap.session_state = 'ON CPU'  THEN ap.seconds ELSE 0 END) / SUM(ap.seconds) * 100))||'%',4) cpu_pct       , LPAD(TO_CHAR(ROUND(SUM(CASE WHEN ap.session_state = 'WAITING' THEN ap.seconds ELSE 0 END) / SUM(ap.seconds) * 100))||'%',4) wait_pct       --, SUM(CASE WHEN ap.wait_class = 'User I/O'   THEN ap.seconds ELSE 0 END) iowait_sec       --, t.owner||'.'||table_name accessed_table       , table_name accessed_table       , ap.aindex_operation       , ap.cardinality plan_card       , t.num_rows table_rows       , ap.cardinality / NULLIF(t.num_rows,0) * 100 filter_pct       , ap.executions sql_execs       , ROUND(ap.elapsed_time / NULLIF(ap.executions,0) / 1000000,3) ela_sec_exec       , ap.aindex_predicates --    , COUNT(DISTINCT ap.sql_id) dist_sqlids --    , COUNT(DISTINCT ap.plan_hash_value) dist_plans       , MIN(ap.sql_id) sql_id       , ap.module1 --    , MAX(ap.sql_id) --      , ap.projection     FROM         ash_and_plan ap       , (SELECT tab.*, 'TABLE' object_type, tab.owner object_owner, tab.table_name object_name FROM tab          UNION ALL          SELECT tab.*, 'INDEX', ind.owner object_owner, ind.index_name object_name          FROM tab, ind          WHERE tab.owner = ind.table_owner AND tab.table_name = ind.table_name         ) t     WHERE        ap.object_owner = t.object_owner AND ap.object_name = t.object_name AND SUBSTR(ap.object_type,1,5) = t.object_type         AND &&v_filter     AND ap.seconds > 0     GROUP BY         t.owner       , t.table_name       , ap.aindex_operation       , t.num_rows       , ap.cardinality       , ap.executions       , ap.elapsed_time       , ap.aindex_predicates       , ap.module1 --      , ap.projection     ORDER BY         seconds DESC ) WHERE rownum <= 50 /