Fix uninstall script: kill sessions before dropping users
- Added roa_kill_user_sessions helper procedure - Kill all active sessions BEFORE attempting DROP USER - Improved company user detection (also checks for synonyms to CONTAFIN_ORACLE) - Added more Oracle 21c internal users to exclusion list - Better error handling and output messages - Helper procedure auto-cleanup at end Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Marius
@@ -2,7 +2,7 @@
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-- ROA UNINSTALL SCRIPT
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-- ============================================================================
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-- Removes all ROA application objects from Oracle database:
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-- - Company users (schemas starting with company patterns)
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-- - Company users (schemas using ROA tablespace or CONTAFIN_ORACLE synonyms)
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-- - CONTAFIN_ORACLE user and all objects
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-- - Public synonyms pointing to CONTAFIN_ORACLE
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-- - SYS custom objects (AUTH_PACK, AUTH_SERII, etc.)
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@@ -30,6 +30,27 @@ PROMPT Press Ctrl+C within 5 seconds to abort...
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PROMPT
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EXEC DBMS_SESSION.SLEEP(5);
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-- ============================================================================
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-- HELPER: Kill all sessions for a given username
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-- ============================================================================
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CREATE OR REPLACE PROCEDURE roa_kill_user_sessions(p_username IN VARCHAR2) IS
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v_count NUMBER := 0;
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BEGIN
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FOR r IN (SELECT sid, serial# FROM v$session WHERE username = UPPER(p_username)) LOOP
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BEGIN
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EXECUTE IMMEDIATE 'ALTER SYSTEM KILL SESSION ''' || r.sid || ',' || r.serial# || ''' IMMEDIATE';
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v_count := v_count + 1;
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EXCEPTION
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WHEN OTHERS THEN NULL;
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END;
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END LOOP;
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IF v_count > 0 THEN
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DBMS_OUTPUT.PUT_LINE(' Killed ' || v_count || ' session(s) for ' || p_username);
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DBMS_SESSION.SLEEP(1); -- Wait for sessions to terminate
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END IF;
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END;
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/
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-- ============================================================================
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-- SECTION 1: DROP COMPANY USERS
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-- ============================================================================
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@@ -39,9 +60,10 @@ PROMPT ============================================================
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DECLARE
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CURSOR c_users IS
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SELECT username
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SELECT DISTINCT username
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FROM dba_users
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WHERE username NOT IN (
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-- Oracle internal users
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'SYS', 'SYSTEM', 'OUTLN', 'DIP', 'ORACLE_OCM', 'DBSNMP', 'APPQOSSYS',
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'WMSYS', 'EXFSYS', 'CTXSYS', 'ANONYMOUS', 'XDB', 'ORDPLUGINS',
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'ORDSYS', 'SI_INFORMTN_SCHEMA', 'MDSYS', 'OLAPSYS', 'MDDATA',
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@@ -52,23 +74,40 @@ DECLARE
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'GSMUSER', 'GSMCATUSER', 'SYSBACKUP', 'SYSDG', 'SYSKM',
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'SYSRAC', 'SYS$UMF', 'DBSFWUSER', 'REMOTE_SCHEDULER_AGENT',
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'PDBADMIN', 'GGSHAREDCAP', 'LBACSYS', 'DVF', 'DVSYS',
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'AUDSYS', 'DGPDB_INT', 'GGSYS', 'CONTAFIN_ORACLE'
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'AUDSYS', 'DGPDB_INT', 'GGSYS', 'OJVMSYS', 'ORDDATA',
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-- ROA main user (dropped separately)
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'CONTAFIN_ORACLE'
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)
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AND username NOT LIKE 'APEX%'
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AND username NOT LIKE 'FLOWS%'
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AND username NOT LIKE 'OWB%'
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AND default_tablespace = 'ROA'
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AND username NOT LIKE 'C##%'
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AND (
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-- Users with ROA tablespace
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default_tablespace = 'ROA'
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-- OR users that have synonyms pointing to CONTAFIN_ORACLE (company schemas)
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OR username IN (
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SELECT DISTINCT owner
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FROM dba_synonyms
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WHERE table_owner = 'CONTAFIN_ORACLE'
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AND owner NOT IN ('PUBLIC', 'SYS', 'SYSTEM')
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)
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)
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ORDER BY username;
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v_count NUMBER := 0;
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BEGIN
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FOR r IN c_users LOOP
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BEGIN
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DBMS_OUTPUT.PUT_LINE(' Processing: ' || r.username);
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-- Kill sessions first
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roa_kill_user_sessions(r.username);
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-- Drop user
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EXECUTE IMMEDIATE 'DROP USER ' || r.username || ' CASCADE';
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DBMS_OUTPUT.PUT_LINE(' Dropped user: ' || r.username);
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v_count := v_count + 1;
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EXCEPTION
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WHEN OTHERS THEN
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DBMS_OUTPUT.PUT_LINE(' ERROR dropping ' || r.username || ': ' || SQLERRM);
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DBMS_OUTPUT.PUT_LINE(' ERROR: ' || SQLERRM);
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END;
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END LOOP;
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DBMS_OUTPUT.PUT_LINE('Total company users dropped: ' || v_count);
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@@ -87,9 +126,13 @@ DECLARE
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BEGIN
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SELECT COUNT(*) INTO v_count FROM dba_users WHERE username = 'CONTAFIN_ORACLE';
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IF v_count > 0 THEN
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-- First drop the private synonym
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-- Kill all sessions first
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roa_kill_user_sessions('CONTAFIN_ORACLE');
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-- Drop the private synonym (if exists)
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BEGIN
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EXECUTE IMMEDIATE 'DROP SYNONYM CONTAFIN_ORACLE.VDEF_PROGRAME_SERII';
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DBMS_OUTPUT.PUT_LINE(' Dropped synonym CONTAFIN_ORACLE.VDEF_PROGRAME_SERII');
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EXCEPTION WHEN OTHERS THEN NULL;
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END;
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@@ -99,6 +142,9 @@ BEGIN
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ELSE
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DBMS_OUTPUT.PUT_LINE(' User CONTAFIN_ORACLE does not exist.');
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END IF;
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EXCEPTION
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WHEN OTHERS THEN
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DBMS_OUTPUT.PUT_LINE(' ERROR dropping CONTAFIN_ORACLE: ' || SQLERRM);
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END;
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/
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@@ -134,7 +180,7 @@ BEGIN
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EXECUTE IMMEDIATE 'DROP PUBLIC SYNONYM ' || r.synonym_name;
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v_count := v_count + 1;
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EXCEPTION
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WHEN OTHERS THEN NULL; -- Ignore if doesn't exist
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WHEN OTHERS THEN NULL;
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END;
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END LOOP;
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DBMS_OUTPUT.PUT_LINE(' Dropped ' || v_count || ' public synonyms.');
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@@ -231,9 +277,7 @@ BEGIN
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SELECT COUNT(*) INTO v_count FROM dba_tablespaces WHERE tablespace_name = 'ROA';
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IF v_count > 0 THEN
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-- Check for any remaining objects
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SELECT COUNT(*) INTO v_count
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FROM dba_segments
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WHERE tablespace_name = 'ROA';
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SELECT COUNT(*) INTO v_count FROM dba_segments WHERE tablespace_name = 'ROA';
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IF v_count > 0 THEN
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DBMS_OUTPUT.PUT_LINE(' WARNING: Tablespace ROA still has ' || v_count || ' segments.');
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@@ -245,9 +289,17 @@ BEGIN
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ELSE
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DBMS_OUTPUT.PUT_LINE(' Tablespace ROA does not exist.');
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END IF;
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EXCEPTION
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WHEN OTHERS THEN
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DBMS_OUTPUT.PUT_LINE(' ERROR dropping tablespace: ' || SQLERRM);
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END;
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/
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-- ============================================================================
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-- CLEANUP: Drop helper procedure
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-- ============================================================================
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DROP PROCEDURE roa_kill_user_sessions;
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-- ============================================================================
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-- VERIFICATION
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-- ============================================================================
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@@ -260,6 +312,10 @@ PROMPT
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PROMPT Users with default tablespace ROA:
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SELECT username, default_tablespace FROM dba_users WHERE default_tablespace = 'ROA';
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PROMPT
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PROMPT CONTAFIN_ORACLE user:
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SELECT username FROM dba_users WHERE username = 'CONTAFIN_ORACLE';
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PROMPT
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PROMPT SYS custom objects:
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SELECT object_name, object_type, status
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