92 lines
3.9 KiB
SQL
92 lines
3.9 KiB
SQL
-- ===================================================================
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-- MARS-1005-PREHOOK INSTALL SCRIPT: Fix DATA_EXPORTER RFC 4180 Compliance
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-- ===================================================================
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-- Purpose: Pre-hook for MARS-1005 - Deploy updated DATA_EXPORTER (v2.17.0)
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-- that fixes RFC 4180 CSV compliance and Parquet format corruption.
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-- Background: DATA_EXPORTER v2.14.0 uses escape=true in DBMS_CLOUD.EXPORT_DATA,
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-- which produces backslash-escaped embedded quotes (\")
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-- instead of RFC 4180 doubling ("").
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-- v2.16.0 fixed CSV by applying REPLACE(col, '"', '""') in SELECT,
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-- but this corrupted Parquet exports containing double-quote values.
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-- v2.17.0 applies REPLACE only when pFormat = 'CSV', leaving
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-- Parquet exports unchanged.
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-- Author: Grzegorz Michalski
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-- Date: 2026-03-10
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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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-- IMPORTANT: Ensure log/ directory exists before SPOOL (use host mkdir)
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host mkdir log 2>nul
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var filename VARCHAR2(100)
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BEGIN
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:filename := 'log/INSTALL_MARS_1005_PREHOOK_' || 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-1005-PREHOOK: Fix DATA_EXPORTER RFC 4180 Compliance
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PROMPT =========================================================================
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PROMPT
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PROMPT Problem: DATA_EXPORTER v2.14.0 uses escape=true which produces \"-escaped
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PROMPT quotes instead of RFC 4180 doubling "". v2.16.0 fixed CSV but
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PROMPT applied REPLACE to Parquet exports too, corrupting quote values.
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PROMPT
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PROMPT This script will:
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PROMPT - Deploy CT_MRDS.DATA_EXPORTER v2.17.0 (RFC 4180 CSV + Parquet fix)
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PROMPT - CSV exports use RFC 4180 doubling ("") for embedded quotes
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PROMPT - Parquet exports pass column values unchanged (no REPLACE applied)
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PROMPT - ODS external tables (FIELDS CSV WITHOUT EMBEDDED) are NOT modified
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PROMPT
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PROMPT Expected Duration: 1-2 minutes
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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(-20999, '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: Deploy DATA_EXPORTER v2.17.0 (Parquet Fix + RFC 4180)
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PROMPT =========================================================================
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@@00_MARS_1005_PREHOOK_install_DATA_EXPORTER.sql
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PROMPT
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PROMPT =========================================================================
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PROMPT Step 2: Track Package Versions
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PROMPT =========================================================================
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@@track_package_versions.sql
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PROMPT
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PROMPT =========================================================================
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PROMPT Step 3: Verify Package Versions
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PROMPT =========================================================================
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@@verify_packages_version.sql
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PROMPT
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PROMPT =========================================================================
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PROMPT MARS-1005-PREHOOK 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 For rollback, use: rollback_mars1005_prehook.sql
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PROMPT =========================================================================
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spool off
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quit;
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