Init

MARS_Packages/REL01_POST_DEACTIVATION/MARS-835-PREHOOK/install_mars835_prehook.sql

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+-- ===================================================================
+-- MARS-835-PREHOOK INSTALL SCRIPT: Parallel Processing + Smart Column Mapping
+-- ===================================================================
+-- Purpose: Pre-hook for MARS-835 - Implement DBMS_PARALLEL_EXECUTE + Smart Column Mapping
+-- Author: Grzegorz Michalski
+-- Date: 2026-01-09
+-- Version: ENV_MANAGER 3.2.0, DATA_EXPORTER 2.4.0
+
+-- Dynamic spool file generation (using SYS_CONTEXT - no DBA privileges required)
+-- Log files are automatically created in log/ subdirectory
+-- IMPORTANT: Ensure log/ directory exists before SPOOL (use host mkdir)
+host mkdir log 2>nul
+
+var filename VARCHAR2(100)
+BEGIN
+    :filename := 'log/INSTALL_MARS_835_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
+
+SET ECHO OFF
+SET TIMING ON
+SET SERVEROUTPUT ON SIZE UNLIMITED
+SET PAUSE OFF
+
+PROMPT =========================================================================
+PROMPT MARS-835-PREHOOK: Parallel Processing + Smart Column Mapping
+PROMPT =========================================================================
+PROMPT 
+PROMPT This script will:
+PROMPT - Create A_PARALLEL_EXPORT_CHUNKS table with unique timestamp task names
+PROMPT - Update ENV_MANAGER to v3.2.0 (add parallel execution error codes)
+PROMPT - Update DATA_EXPORTER to v2.4.0 (DBMS_PARALLEL_EXECUTE + Smart Column Mapping)
+PROMPT - Add pParallelDegree parameter (1-16 threads) to EXPORT_*_BY_DATE procedures
+PROMPT - Add pTargetTableOwner/pTargetTableName for CSV column order mapping
+PROMPT - Fix unique constraint violations with auto-cleanup and timestamp task names
+PROMPT 
+PROMPT Expected Duration: 2-3 minutes
+PROMPT =========================================================================
+
+-- Confirm installation with user
+ACCEPT continue CHAR PROMPT 'Type YES to continue with installation, 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(-20999, 'Installation aborted by user.');
+    END IF;
+END;
+/
+WHENEVER SQLERROR CONTINUE
+
+PROMPT 
+PROMPT =========================================================================
+PROMPT Step 1: Create Parallel Export Chunks Table
+PROMPT =========================================================================
+@@00_MARS_835_PREHOOK_CREATE_PARALLEL_CHUNKS_TABLE.sql
+
+PROMPT 
+PROMPT =========================================================================
+PROMPT Step 2: Deploy ENV_MANAGER Package
+PROMPT =========================================================================
+@@01_MARS_835_PREHOOK_install_ENV_MANAGER.sql
+
+PROMPT 
+PROMPT =========================================================================
+PROMPT Step 3: Deploy DATA_EXPORTER Package
+PROMPT =========================================================================
+@@02_MARS_835_PREHOOK_install_DATA_EXPORTER.sql
+
+PROMPT 
+PROMPT =========================================================================
+PROMPT Step 4: Track Package Versions
+PROMPT =========================================================================
+@@track_package_versions.sql
+
+PROMPT 
+PROMPT =========================================================================
+PROMPT Step 5: Verify Package Versions
+PROMPT =========================================================================
+@@verify_packages_version.sql
+
+PROMPT 
+PROMPT =========================================================================
+PROMPT MARS-835-PREHOOK Installation - COMPLETED
+PROMPT =========================================================================
+PROMPT Check the log file for complete installation details.
+PROMPT =========================================================================
+
+spool off
+
+quit;