2026-03-12 20:23:15

mhouri/getScalarSubInSQL.sql

@@ -0,0 +1,63 @@
+--|-------------------------------------------------------------------|
+--|Author : Mhouri                                                    |
+--|Date   : mars 2023                                                 |
+--|Scope  : find all SQL statments calling scalar subquery function   |
+--|         -- from memory 	                                          |
+--|         -- from AWR                                               |
+--|        UNION ALL is used instead of UNION because of distinct     |
+--|        on CLOB (sql_text)                                         |
+--| Update : 20-03-2023                                               |
+--|         I workarround the distinct on CLOB by using               |
+--|         dbms_lob.substr                                           |
+--|-------------------------------------------------------------------|
+select 
+    gv.sql_id
+   ,gv.force_matching_signature as force_match_sign
+   ,dbms_lob.substr(gv.sql_fulltext,32767)
+from   
+     gv$sql gv
+where  
+    gv.plsql_exec_time > 0
+-- Exclude non applicative schemas
+and gv.parsing_schema_name not in
+   (select 
+         db.username
+	 from 
+	     dba_users db
+	 where
+	    db.oracle_maintained ='Y'
+	)
+-- Exclude INSERT/UPDATE/DELETE
+-- exclude PL/SQL blocks
+and gv.command_type not in ('2','6','7','47')
+--exclude automatic tasks (stats, space, tuning)
+and
+   gv.module != 'DBMS_SCHEDULER' 
+UNION ALL
+select 
+    st.sql_id
+   ,st.force_matching_signature as force_match_sign
+   ,dbms_lob.substr(qt.sql_text,32767)
+from   
+    dba_hist_sqlstat st
+   ,dba_hist_sqltext qt	 
+where  
+   st.sql_id = qt.sql_id
+and
+   st.plsexec_time_delta > 0
+-- Exclude non applicative schemas
+and st.parsing_schema_name not in
+   (select 
+         db.username
+	 from 
+	     dba_users db
+	 where
+	    db.oracle_maintained ='Y'
+	)
+-- Exclude INSERT/UPDATE/DELETE/CREATE
+-- Exclude PL/SQL blocks
+and qt.command_type not in ('1','2','6','7','47')
+--exclude automatic tasks (stats, space, tuning)
+and
+   st.module != 'DBMS_SCHEDULER' 
+ order by 2;