Init

MARS_Packages/REL01_POST_DEACTIVATION/MARS-826-PREHOOK/rollback_mars826_prehook.sql

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+-- ============================================================================
+-- MARS-826-PREHOOK Master Rollback Script
+-- ============================================================================
+-- Purpose: Rollback DATA_EXPORTER package to previous version
+-- Target Schema: CT_MRDS
+-- WARNING: Only execute if you need to revert to A_WORKFLOW_HISTORY_KEY
+-- ============================================================================
+
+SET SERVEROUTPUT ON SIZE UNLIMITED
+SET VERIFY OFF
+SET FEEDBACK ON
+SET ECHO OFF
+
+-- Create log directory if it doesn't exist
+host mkdir log 2>nul
+
+-- Generate dynamic SPOOL filename with timestamp
+var filename VARCHAR2(100)
+BEGIN
+    :filename := 'log/ROLLBACK_MARS_826_PREHOOK_' || SYS_CONTEXT('USERENV', 'CON_NAME') || '_' || TO_CHAR(SYSDATE,'YYYYMMDD_HH24MISS') || '.log';
+END;
+/
+column filename new_value _filename
+select :filename filename from dual;
+spool &_filename
+
+PROMPT
+PROMPT ============================================================================
+PROMPT MARS-826-PREHOOK Rollback Starting
+PROMPT ============================================================================
+PROMPT WARNING: This will restore DATA_EXPORTER to use A_WORKFLOW_HISTORY_KEY
+PROMPT
+PROMPT CRITICAL PREREQUISITES:
+PROMPT 1. CT_ODS.A_LOAD_HISTORY must have column A_WORKFLOW_HISTORY_KEY
+PROMPT    (if column is A_ETL_LOAD_SET_KEY, rollback will fail)
+PROMPT 2. No active MARS-826 exports should be running
+PROMPT
+PROMPT Timestamp:
+SELECT TO_CHAR(SYSDATE, 'YYYY-MM-DD HH24:MI:SS') AS rollback_start FROM DUAL;
+PROMPT ============================================================================
+
+-- Confirm rollback with user
+ACCEPT continue CHAR PROMPT 'Type YES to continue with rollback, or Ctrl+C to abort: '
+WHENEVER SQLERROR EXIT SQL.SQLCODE
+BEGIN
+    IF '&continue' IS NULL OR TRIM('&continue') IS NULL OR UPPER(TRIM('&continue')) != 'YES' THEN
+        RAISE_APPLICATION_ERROR(-20001, 'Rollback aborted by user');
+    END IF;
+END;
+/
+WHENEVER SQLERROR CONTINUE
+
+-- Rollback steps (SPEC first, then BODY - standard Oracle deployment order)
+PROMPT
+PROMPT Step 1/2: Restoring Previous DATA_EXPORTER Package Specification
+PROMPT =================================================================
+@@91_MARS_826_PREHOOK_rollback_DATA_EXPORTER_SPEC.sql
+
+PROMPT
+PROMPT Step 2/2: Restoring Previous DATA_EXPORTER Package Body
+PROMPT ========================================================
+@@92_MARS_826_PREHOOK_rollback_DATA_EXPORTER_BODY.sql
+
+-- Verify rollback
+PROMPT
+PROMPT Verification: Package Compilation Status
+PROMPT =========================================
+SELECT object_name, object_type, status, last_ddl_time
+FROM all_objects 
+WHERE owner = 'CT_MRDS'
+  AND object_name = 'DATA_EXPORTER' 
+  AND object_type IN ('PACKAGE', 'PACKAGE BODY')
+ORDER BY object_type;
+
+PROMPT
+PROMPT ============================================================================
+PROMPT MARS-826-PREHOOK Rollback Completed
+PROMPT ============================================================================
+PROMPT Completion Time:
+SELECT TO_CHAR(SYSDATE, 'YYYY-MM-DD HH24:MI:SS') AS rollback_end FROM DUAL;
+PROMPT
+PROMPT Rollback Summary:
+PROMPT - Package Body: CT_MRDS.DATA_EXPORTER
+PROMPT - Restored Version: Previous (with A_WORKFLOW_HISTORY_KEY references)
+PROMPT
+PROMPT Log file: &_filename
+PROMPT ============================================================================
+
+spool off
+
+quit;