2026-03-12 20:23:15

tpt/pxs.sql

@@ -0,0 +1,67 @@
+-- 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.
+
+prompt Display Parallel Execution QC and slave sessions for QC &1....
+
+col pxs_degr head "Degree (Req)" for a12
+col pxs_username head "USERNAME" for a20
+
+select 
+    s.username          pxs_username
+  , s.sql_id
+  , pxs.qcsid
+  , pxs.qcinst_id       qc_inst
+  , pxs.server_group    dfo_tree
+  , pxs.server_set
+  , pxs.server#
+  , lpad(to_char(pxs.degree)||' ('||to_char(pxs.req_degree)||')',12,' ') pxs_degr
+  , pxs.inst_id         sl_inst
+  , pxs.sid             slave_sid
+  , p.server_name
+  , p.spid
+  , CASE WHEN state != 'WAITING' THEN 'WORKING'
+         ELSE 'WAITING'
+    END AS state
+  , CASE WHEN state != 'WAITING' THEN 'On CPU / runqueue'
+         ELSE event
+    END AS sw_event  
+--  , CASE WHEN state != 'WAITING' THEN 'On CPU / runqueue'
+--         ELSE CASE
+--              WHEN event = 'PX Deq: Execution Msg'    THEN 'Waiting for consumer: next command'
+--              WHEN event = 'PX Deq Credit: send blkd' THEN 'Waiting for consumer: to consume more data'
+--              WHEN event = 'PX qref latch'            THEN 'Waiting for access to table queue buffer'
+--              ELSE null    
+--              END 
+--    END AS human_readble_event
+  , s.blocking_session_status
+  , s.blocking_instance
+  , s.blocking_session
+  , s.seq#
+  , s.seconds_in_wait
+  , s.p1text
+  , s.p1raw
+  , s.p2text
+  , s.p2raw
+  , s.p3text
+  , s.p3raw
+from 
+    gv$px_session pxs 
+  , gv$session    s
+  , gv$px_process p
+where 
+    pxs.qcsid in (&1)
+--and s.sid     = pxs.qcsid
+and s.sid     = pxs.sid
+and s.serial# = pxs.serial#
+--and s.serial# = pxs.qcserial# -- null
+and p.sid     = pxs.sid
+and pxs.inst_id = s.inst_id
+and s.inst_id = p.inst_id
+order by
+    pxs.qcsid
+  , pxs.server_group
+  , pxs.server_set
+  , pxs.qcinst_id
+  , pxs.server#
+/
+