115 lines
3.8 KiB
SQL
115 lines
3.8 KiB
SQL
-- ===================================================================
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-- MARS-828: Enhanced Archival Strategies Rollback
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-- ===================================================================
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-- Purpose: Rollback all changes from MARS-828 installation
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-- Author: Grzegorz Michalski
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-- Date: 2026-01-27
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-- Dynamic spool file generation (using SYS_CONTEXT - no DBA privileges required)
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-- IMPORTANT: Ensure log/ directory exists before SPOOL (use host mkdir)
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host mkdir log 2>nul
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var filename VARCHAR2(100)
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BEGIN
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:filename := 'log/ROLLBACK_MARS_828_' || SYS_CONTEXT('USERENV', 'CON_NAME') || '_' || TO_CHAR(SYSDATE,'YYYYMMDD_HH24MISS') || '.log';
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END;
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/
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column filename new_value _filename
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select :filename filename from dual;
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spool &_filename
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SET ECHO OFF
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SET TIMING ON
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SET SERVEROUTPUT ON SIZE UNLIMITED
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SET LINESIZE 200
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SET PAGESIZE 1000
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SET PAUSE OFF
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PROMPT
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PROMPT ============================================================================
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PROMPT MARS-828 Rollback Starting
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PROMPT ============================================================================
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PROMPT WARNING: This will restore FILE_ARCHIVER to v2.0.0
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PROMPT
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PROMPT CRITICAL IMPACT:
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PROMPT 1. All archival strategies revert to THRESHOLD_BASED
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PROMPT 2. ARCHIVAL_STRATEGY and MINIMUM_AGE_MONTHS columns will be dropped
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PROMPT 3. Validation trigger will be removed
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PROMPT 4. Reconfigure archival thresholds after rollback
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PROMPT
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PROMPT Timestamp:
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SELECT TO_CHAR(SYSDATE, 'YYYY-MM-DD HH24:MI:SS') AS rollback_start FROM DUAL;
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PROMPT ============================================================================
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-- Confirm rollback with user
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ACCEPT continue CHAR PROMPT 'Type YES to continue with rollback, or Ctrl+C to abort: '
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WHENEVER SQLERROR EXIT SQL.SQLCODE
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BEGIN
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IF '&continue' IS NULL OR TRIM('&continue') IS NULL OR UPPER(TRIM('&continue')) != 'YES' THEN
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RAISE_APPLICATION_ERROR(-20001, 'Rollback aborted by user');
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END IF;
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END;
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/
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WHENEVER SQLERROR CONTINUE
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-- Rollback steps (in reverse order)
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PROMPT
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PROMPT Step 1/6: Restoring FILE_ARCHIVER Package Specification v2.0.0
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PROMPT ===============================================================
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@@91_MARS_828_rollback_FILE_ARCHIVER_SPEC.sql
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PROMPT
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PROMPT Step 2/6: Restoring FILE_ARCHIVER Package Body v2.0.0
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PROMPT ======================================================
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@@92_MARS_828_rollback_FILE_ARCHIVER_BODY.sql
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PROMPT
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PROMPT Step 3/6: Dropping validation trigger
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PROMPT ======================================
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@@93_MARS_828_rollback_trigger.sql
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PROMPT
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PROMPT Step 4/6: Dropping archival strategy columns
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PROMPT =============================================
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@@94_MARS_828_rollback_columns.sql
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PROMPT
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PROMPT Step 5/6: Tracking rollback version
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PROMPT ====================================
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@@track_package_versions.sql
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PROMPT
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PROMPT Step 6/6: Verifying tracked packages
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PROMPT =====================================
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@@verify_packages_version.sql
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-- Verify rollback
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PROMPT
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PROMPT Verification: Package Compilation Status
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PROMPT =========================================
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SELECT object_name, object_type, status, last_ddl_time
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FROM all_objects
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WHERE owner = 'CT_MRDS'
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AND object_name = 'FILE_ARCHIVER'
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AND object_type IN ('PACKAGE', 'PACKAGE BODY')
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ORDER BY object_type;
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PROMPT
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PROMPT ============================================================================
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PROMPT MARS-828 Rollback Completed
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PROMPT ============================================================================
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PROMPT Completion Time:
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SELECT TO_CHAR(SYSDATE, 'YYYY-MM-DD HH24:MI:SS') AS rollback_end FROM DUAL;
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PROMPT
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PROMPT Rollback Summary:
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PROMPT - Package: CT_MRDS.FILE_ARCHIVER
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PROMPT - Restored Version: 2.0.0 (THRESHOLD_BASED archival only)
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PROMPT - Removed Features: CURRENT_MONTH_ONLY, MINIMUM_AGE_MONTHS, HYBRID strategies
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PROMPT
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PROMPT Log file: &_filename
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PROMPT ============================================================================
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spool off
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quit;
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