93 lines
3.8 KiB
SQL
93 lines
3.8 KiB
SQL
-- ===================================================================
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-- MARS-835-PREHOOK ROLLBACK SCRIPT: Parallel Processing + Smart Column Mapping
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-- ===================================================================
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-- Purpose: Rollback for MARS-835-PREHOOK - Restore previous package versions
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-- Author: Grzegorz Michalski
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-- Date: 2026-01-09
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-- Version: ENV_MANAGER 3.1.0, DATA_EXPORTER 2.1.0 (rollback targets)
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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_835_PREHOOK_' || 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 PAUSE OFF
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PROMPT =========================================================================
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PROMPT MARS-835-PREHOOK: Rollback to Previous Versions
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PROMPT =========================================================================
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PROMPT WARNING: This will reverse all changes from MARS-835-PREHOOK installation!
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PROMPT - Removes A_PARALLEL_EXPORT_CHUNKS table
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PROMPT - Reverts A_SOURCE_FILE_RECEIVED table (rename ARCH_PATH to ARCH_FILE_NAME, drop PROCESS_NAME column)
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PROMPT - Restores ENV_MANAGER v3.1.0 (removes parallel error codes)
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PROMPT - Restores DATA_EXPORTER v2.1.0 (removes parallel + Smart Column Mapping)
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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(-20999, '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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-- Execute rollback scripts in reverse order of installation
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PROMPT
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PROMPT =========================================================================
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PROMPT Step 0: Drop A_PARALLEL_EXPORT_CHUNKS Table
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PROMPT =========================================================================
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@@90_MARS_835_PREHOOK_rollback_PARALLEL_CHUNKS_TABLE.sql
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PROMPT
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PROMPT =========================================================================
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PROMPT Step 1: Rollback ENV_MANAGER Package
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PROMPT =========================================================================
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@@91_MARS_835_PREHOOK_rollback_ENV_MANAGER.sql
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PROMPT
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PROMPT =========================================================================
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PROMPT Step 2: Rollback DATA_EXPORTER Package
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PROMPT =========================================================================
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@@92_MARS_835_PREHOOK_rollback_DATA_EXPORTER.sql
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PROMPT
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PROMPT =========================================================================
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PROMPT Step 3: Rollback A_SOURCE_FILE_RECEIVED Table Structure
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PROMPT =========================================================================
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@@93_MARS_835_PREHOOK_rollback_SOURCE_FILE_RECEIVED_table.sql
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PROMPT
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PROMPT =========================================================================
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PROMPT Step 4: Track 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 =========================================================================
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PROMPT Step 5: Verify Package Versions After Rollback
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PROMPT =========================================================================
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@@verify_packages_version.sql
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PROMPT
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PROMPT =========================================================================
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PROMPT MARS-835-PREHOOK Rollback - COMPLETED
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PROMPT =========================================================================
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spool off
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quit;
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