Init

MARS_Packages/REL01_POST_DEACTIVATION/MARS-835/rollback_mars835.sql

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+-- ===================================================================
+-- MARS-835 ROLLBACK SCRIPT: CSDB Data Export Rollback
+-- ===================================================================
+-- Purpose: Rollback MARS-835 - Delete exported CSV/Parquet files from OCI buckets
+-- WARNING: This will DELETE all exported data files!
+-- Author: Grzegorz Michalski
+-- Date: 2025-12-17
+
+-- Dynamic spool file generation (using SYS_CONTEXT - no DBA privileges required)
+-- IMPORTANT: Ensure log/ directory exists before SPOOL (use host mkdir)
+host mkdir log 2>nul
+
+var filename VARCHAR2(100)
+BEGIN
+    :filename := 'log/ROLLBACK_MARS_835_' || SYS_CONTEXT('USERENV', 'CON_NAME') || '_' || TO_CHAR(SYSDATE,'YYYYMMDD_HH24MISS') || '.log';
+END;
+/
+column filename new_value _filename
+select :filename filename from dual;
+spool &_filename
+
+SET ECHO OFF
+SET TIMING ON
+SET SERVEROUTPUT ON SIZE UNLIMITED
+SET PAUSE OFF
+
+PROMPT =========================================================================
+PROMPT MARS-835: Rollback CSDB Data Export
+PROMPT =========================================================================
+PROMPT WARNING: This will DELETE exported CSV and Parquet files from OCI buckets!
+PROMPT          - DATA bucket: mrds_data_dev/ODS/CSDB/
+PROMPT          - HIST bucket: mrds_hist_dev/ARCHIVE/CSDB/
+PROMPT 
+PROMPT Only proceed if export failed and needs to be restarted!
+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
+
+PROMPT 
+PROMPT =========================================================================
+PROMPT Step 1: Delete Group 2 Exported Files (HIST only - 4 tables)
+PROMPT =========================================================================
+@@92_MARS_835_rollback_step2.sql
+
+PROMPT 
+PROMPT =========================================================================
+PROMPT Step 2: Delete Group 1 Exported Files (DATA + HIST - 2 tables)
+PROMPT =========================================================================
+@@91_MARS_835_rollback_step1.sql
+
+PROMPT 
+PROMPT =========================================================================
+PROMPT Step 3: Verify Rollback Completed
+PROMPT =========================================================================
+@@99_MARS_835_verify_rollback.sql
+
+PROMPT 
+PROMPT =========================================================================
+PROMPT MARS-835 Rollback - COMPLETED
+PROMPT =========================================================================
+
+spool off
+
+quit;