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