Init

MARS_Packages/REL01/MARS-1096/install_mars1096.sql

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+-- ===================================================================
+-- MARS-1096 INSTALL SCRIPT: Extend A_PROCESS_LOG and Enable Partitioning
+-- ===================================================================
+-- Purpose: 
+-- - Extend log_message column from VARCHAR2(4000) to VARCHAR2(20000)
+-- - Convert table to daily interval partitioning on log_timestamp
+-- - Preserve all existing data during conversion
+-- Author: Grzegorz Michalski
+-- Date: 2025-12-03
+-- Version: 1.0.0
+-- ===================================================================
+
+-- Dynamic spool file generation (using SYS_CONTEXT - no DBA privileges required)
+var filename VARCHAR2(100)
+BEGIN
+    :filename := 'INSTALL_MARS_1096_' || 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-1096: Extend A_PROCESS_LOG and Enable Daily Partitioning
+PROMPT =========================================================================
+PROMPT 
+PROMPT This script will:
+PROMPT - Extend log_message column from VARCHAR2(4000) to VARCHAR2(20000)
+PROMPT - Convert A_PROCESS_LOG table to daily interval partitioning
+PROMPT - Create backup table A_PROCESS_LOG_OLD during conversion
+PROMPT - Migrate all existing records to partitioned structure
+PROMPT - Automatically cleanup backup table after verification
+PROMPT 
+PROMPT Expected Duration: 1-2 minutes (depends on data volume)
+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(-20001, 'Installation aborted by user');
+    END IF;
+END;
+/
+WHENEVER SQLERROR CONTINUE
+
+PROMPT 
+PROMPT =========================================================================
+PROMPT Step 1: Extend Column and Enable Partitioning
+PROMPT =========================================================================
+@@02_MARS_1096_extend_and_partition.sql
+
+PROMPT 
+PROMPT =========================================================================
+PROMPT Step 2: Verify Partitioning
+PROMPT =========================================================================
+@@04_MARS_1096_verify_partitioning.sql
+
+PROMPT 
+PROMPT =========================================================================
+PROMPT Step 3: Cleanup Backup Table
+PROMPT =========================================================================
+@@05_MARS_1096_cleanup_backup.sql
+
+PROMPT 
+PROMPT =========================================================================
+PROMPT MARS-1096 Installation - COMPLETED
+PROMPT =========================================================================
+PROMPT Check the log file for complete installation details.
+PROMPT =========================================================================
+
+spool off
+quit;