80 lines
2.8 KiB
SQL
80 lines
2.8 KiB
SQL
-- ============================================================================
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-- MARS-826 Rollback Script
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-- ============================================================================
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-- Purpose: Remove exported historical data from HIST bucket
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-- Author: Grzegorz Michalski
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-- Schema: OU_LM, OU_MRR (source schemas - read-only)
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-- Target: HIST bucket cleanup (delete exported Parquet files)
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-- Date: 2025-12-02
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-- ============================================================================
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-- Create log directory if it doesn't exist
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host mkdir log 2>nul
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-- Dynamic spool file generation (using SYS_CONTEXT - no DBA privileges required)
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-- Log files are automatically created in log/ subdirectory
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var filename VARCHAR2(100)
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BEGIN
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:filename := 'log/ROLLBACK_MARS_826_' || 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-826 Rollback - Remove Exported Historical Data
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PROMPT ============================================================================
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PROMPT
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PROMPT This rollback will DELETE all exported Parquet files from HIST bucket.
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PROMPT
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PROMPT Tables affected: 19 tables from OU_LM and OU_MRR schemas
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PROMPT Bucket location: history/ARCHIVE/LM/
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PROMPT
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PROMPT ============================================================================
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ACCEPT confirmation CHAR PROMPT 'Do you want to proceed with rollback? (YES/NO): '
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WHENEVER SQLERROR EXIT SQL.SQLCODE
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-- Validate confirmation
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BEGIN
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IF UPPER('&confirmation') != 'YES' THEN
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RAISE_APPLICATION_ERROR(-20001, 'Rollback cancelled by user');
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END IF;
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END;
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/
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PROMPT
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PROMPT Starting rollback execution...
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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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PROMPT ============================================================================
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-- Execute rollback scripts
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@@91_MARS_826_rollback_ADHOC_ADJ_tables.sql
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@@92_MARS_826_rollback_BALANCESHEET_tables.sql
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@@93_MARS_826_rollback_CSM_ADJ_tables.sql
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@@94_MARS_826_rollback_STANDING_FACILITY_tables.sql
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@@95_MARS_826_rollback_MRR_IND_CURRENT_ACCOUNT_tables.sql
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@@96_MARS_826_rollback_FORECAST_tables.sql
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@@97_MARS_826_rollback_QR_ADJ_tables.sql
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@@98_MARS_826_rollback_TTS_tables.sql
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@@99_MARS_826_verify_rollback.sql
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PROMPT
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PROMPT ============================================================================
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PROMPT Rollback completed successfully
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PROMPT Timestamp:
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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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spool off
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quit;
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