Init
This commit is contained in:
Grzegorz Michalski
@@ -0,0 +1,487 @@
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# MARS-1049: ENCODING Implementation in FILE_MANAGER
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## Change Description
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Adding `ENCODING` column to the `A_SOURCE_FILE_CONFIG` table and modifying the `FILE_MANAGER` package to support different character encodings for CSV files.
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## Objective
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Enable configuration of character encoding for individual source files without code modifications. The value from the `ENCODING` column will be passed as a `characterset` parameter in the formatting options of the `CREATE_EXTERNAL_TABLE` procedure.
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---
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## 1. DATABASE STRUCTURE MODIFICATIONS
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### Adding ENCODING column
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```sql
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-- Add column to A_SOURCE_FILE_CONFIG table
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ALTER TABLE CT_MRDS.A_SOURCE_FILE_CONFIG
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ADD (ENCODING VARCHAR2(50));
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-- Add column comment
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COMMENT ON COLUMN CT_MRDS.A_SOURCE_FILE_CONFIG.ENCODING
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IS 'Character encoding for CSV files (e.g. UTF8, WE8MSWIN1252, etc.)';
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```
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**Data type**: `VARCHAR2(50)` - sufficient for Oracle encoding names
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**Nullable**: `YES` - defaults to NULL, database default encoding is used
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**Default**: `NULL`
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---
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## 2. FILE_MANAGER PACKAGE MODIFICATIONS
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### A. CREATE_EXTERNAL_TABLE procedure signature (main)
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**BEFORE:**
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```sql
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PROCEDURE CREATE_EXTERNAL_TABLE (
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pTableName IN VARCHAR2,
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pTemplateTableName IN VARCHAR2,
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pPrefix IN VARCHAR2,
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pBucketUri IN VARCHAR2 DEFAULT ENV_MANAGER.gvInboxBucketUri,
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pFileName IN VARCHAR2 DEFAULT NULL,
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pDelimiter IN VARCHAR2 DEFAULT ','
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)
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```
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**PO:**
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```sql
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PROCEDURE CREATE_EXTERNAL_TABLE (
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pTableName IN VARCHAR2,
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pTemplateTableName IN VARCHAR2,
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pPrefix IN VARCHAR2,
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pBucketUri IN VARCHAR2 DEFAULT ENV_MANAGER.gvInboxBucketUri,
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pFileName IN VARCHAR2 DEFAULT NULL,
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pDelimiter IN VARCHAR2 DEFAULT ',',
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pEncoding IN VARCHAR2 DEFAULT NULL -- NOWY PARAMETR
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)
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```
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### B. Wywołanie procedury CREATE_EXTERNAL_TABLE (overload)
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**Lokalizacja**: Linie 499-506
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**PRZED:**
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```sql
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CREATE_EXTERNAL_TABLE(
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pTableName => vSourceFileReceived.EXTERNAL_TABLE_NAME,
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pTemplateTableName => vSourceFileConfig.TEMPLATE_TABLE_NAME,
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pPrefix => vSourceFileReceived.SOURCE_FILE_PREFIX_INBOX,
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pBucketUri => ENV_MANAGER.gvInboxBucketUri,
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pFileName => vFileName,
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pDelimiter => ','
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);
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```
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**PO:**
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```sql
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CREATE_EXTERNAL_TABLE(
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pTableName => vSourceFileReceived.EXTERNAL_TABLE_NAME,
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pTemplateTableName => vSourceFileConfig.TEMPLATE_TABLE_NAME,
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pPrefix => vSourceFileReceived.SOURCE_FILE_PREFIX_INBOX,
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pBucketUri => ENV_MANAGER.gvInboxBucketUri,
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pFileName => vFileName,
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pDelimiter => ',',
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pEncoding => vSourceFileConfig.ENCODING -- NOWY PARAMETR
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);
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```
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### C. Logika kodowania w opcjach formatowania
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**Lokalizacja**: Około linii 455 w sekcji vFormat
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**PRZED:**
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```sql
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IF pDelimiter = '|' THEN
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vFormat := json_object('delimiter' VALUE '|', 'skipheaders' VALUE '1');
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ELSE
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vFormat := json_object('type' VALUE 'CSV', 'skipheaders' VALUE '1', 'ignoremissingcolumns' value 'true');
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END IF;
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```
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**PO:**
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```sql
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-- Tworzenie podstawowego formatu
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IF pDelimiter = '|' THEN
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vFormat := json_object('delimiter' VALUE '|', 'skipheaders' VALUE '1');
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ELSE
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vFormat := json_object('type' VALUE 'CSV', 'skipheaders' VALUE '1', 'ignoremissingcolumns' value 'true');
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END IF;
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-- Dodanie kodowania jeśli zostało określone
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IF pEncoding IS NOT NULL AND LENGTH(TRIM(pEncoding)) > 0 THEN
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vFormat := JSON_MERGEPATCH(vFormat, json_object('characterset' VALUE pEncoding));
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END IF;
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```
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---
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## 3. PRZYKŁADY UŻYCIA
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### Test z kodowaniem UTF-8
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```sql
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-- Konfiguracja dla plików z UTF-8 encoding
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UPDATE CT_MRDS.A_SOURCE_FILE_CONFIG
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SET ENCODING = 'UTF8'
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WHERE A_SOURCE_FILE_CONFIG_KEY = 1;
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```
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### Test z kodowaniem Windows-1252
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```sql
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-- Konfiguracja dla plików z Windows-1252 encoding
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UPDATE CT_MRDS.A_SOURCE_FILE_CONFIG
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SET ENCODING = 'WE8MSWIN1252'
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WHERE A_SOURCE_FILE_CONFIG_KEY = 2;
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```
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### Resetowanie do wartości domyślnych
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```sql
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-- Usunięcie kodowania (powrót do domyślnego kodowania bazy)
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UPDATE CT_MRDS.A_SOURCE_FILE_CONFIG
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SET ENCODING = NULL
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WHERE A_SOURCE_FILE_CONFIG_KEY = 1;
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```
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---
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## 4. MODYFIKACJA ISTNIEJĄCEJ PROCEDURY ADD_SOURCE_FILE_CONFIG
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### Rozszerzenie procedury ADD_SOURCE_FILE_CONFIG
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**PRZED:**
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```sql
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PROCEDURE ADD_SOURCE_FILE_CONFIG(
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pSourceKey IN VARCHAR2,
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pSourceFileType IN VARCHAR2,
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pSourceFileId IN VARCHAR2,
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pSourceFileDesc IN VARCHAR2,
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pSourceFileNamePattern IN VARCHAR2,
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pTableId IN VARCHAR2,
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pTemplateTableName IN VARCHAR2
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)
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```
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**PO:**
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```sql
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PROCEDURE ADD_SOURCE_FILE_CONFIG(
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pSourceKey IN VARCHAR2,
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pSourceFileType IN VARCHAR2,
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pSourceFileId IN VARCHAR2,
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pSourceFileDesc IN VARCHAR2,
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pSourceFileNamePattern IN VARCHAR2,
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pTableId IN VARCHAR2,
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pTemplateTableName IN VARCHAR2,
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pEncoding IN VARCHAR2 DEFAULT NULL -- NOWY PARAMETR
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)
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```
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### Modyfikacja INSERT statement w ADD_SOURCE_FILE_CONFIG
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**PRZED:**
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```sql
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INSERT INTO CT_MRDS.A_SOURCE_FILE_CONFIG (
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A_SOURCE_KEY, SOURCE_FILE_TYPE, SOURCE_FILE_ID, SOURCE_FILE_DESC,
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SOURCE_FILE_NAME_PATTERN, TABLE_ID, TEMPLATE_TABLE_NAME
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) VALUES (
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pSourceKey, pSourceFileType, pSourceFileId, pSourceFileDesc,
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pSourceFileNamePattern, pTableId, pTemplateTableName
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);
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```
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**PO:**
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```sql
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INSERT INTO CT_MRDS.A_SOURCE_FILE_CONFIG (
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A_SOURCE_KEY, SOURCE_FILE_TYPE, SOURCE_FILE_ID, SOURCE_FILE_DESC,
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SOURCE_FILE_NAME_PATTERN, TABLE_ID, TEMPLATE_TABLE_NAME, ENCODING
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) VALUES (
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pSourceKey, pSourceFileType, pSourceFileId, pSourceFileDesc,
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pSourceFileNamePattern, pTableId, pTemplateTableName, pEncoding
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);
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```
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### Przykład użycia zmodyfikowanej procedury
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```sql
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-- Dodanie konfiguracji z kodowaniem UTF-8
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CALL FILE_MANAGER.ADD_SOURCE_FILE_CONFIG(
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pSourceKey => 'C2D',
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pSourceFileType => 'INPUT',
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pSourceFileId => 'UC_DISSEM',
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pSourceFileDesc => 'UC DISSEM Metadata with UTF-8 encoding',
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pSourceFileNamePattern => 'UC_NMA_DISSEM-*.csv',
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pTableId => 'A_UC_DISSEM_METADATA_LOADS',
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pTemplateTableName => 'CT_ET_TEMPLATES.C2D_A_UC_DISSEM_METADATA_LOADS',
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pEncoding => 'UTF8'
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);
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-- Dodanie konfiguracji bez kodowania (jak dotychczas)
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CALL FILE_MANAGER.ADD_SOURCE_FILE_CONFIG(
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pSourceKey => 'LM',
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pSourceFileType => 'INPUT',
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pSourceFileId => 'STANDING_FACILITIES',
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pSourceFileDesc => 'Standing Facilities Data',
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pSourceFileNamePattern => 'SF_*.csv',
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pTableId => 'STANDING_FACILITIES',
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pTemplateTableName => 'CT_ET_TEMPLATES.LM_STANDING_FACILITIES'
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-- pEncoding pomijamy - będzie NULL (domyślne kodowanie)
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);
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```
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---
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## 5. TESTY WALIDACYJNE
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### Test 1: Podstawowa funkcjonalność
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```sql
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-- 1. Ustawienie kodowania UTF-8
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UPDATE CT_MRDS.A_SOURCE_FILE_CONFIG
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SET ENCODING = 'UTF8'
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WHERE A_SOURCE_FILE_CONFIG_KEY = 1;
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-- 2. Test przetwarzania pliku
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CALL FILE_MANAGER.PROCESS_SOURCE_FILE('INBOX/TEST/FILE_ID/TABLE_NAME/test_file.csv');
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-- 3. Sprawdzenie logów
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SELECT * FROM CT_MRDS.A_PROCESS_LOG
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WHERE PROCEDURE_NAME = 'CREATE_EXTERNAL_TABLE'
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ORDER BY LOG_DATE DESC;
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```
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### Test 2: Fallback do wartości domyślnych
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```sql
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-- 1. Ustawienie NULL
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UPDATE CT_MRDS.A_SOURCE_FILE_CONFIG
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SET ENCODING = NULL
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WHERE A_SOURCE_FILE_CONFIG_KEY = 1;
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-- 2. Test przetwarzania - powinno być używane domyślne kodowanie
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CALL FILE_MANAGER.PROCESS_SOURCE_FILE('INBOX/TEST/FILE_ID/TABLE_NAME/test_file.csv');
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```
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### Test 3: Różne kodowania
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```sql
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-- 1. Test z Windows-1252
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UPDATE CT_MRDS.A_SOURCE_FILE_CONFIG
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SET ENCODING = 'WE8MSWIN1252'
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WHERE A_SOURCE_FILE_CONFIG_KEY = 1;
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-- 2. Test z UTF-8
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UPDATE CT_MRDS.A_SOURCE_FILE_CONFIG
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SET ENCODING = 'UTF8'
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WHERE A_SOURCE_FILE_CONFIG_KEY = 2;
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-- 3. Test przetwarzania obu plików
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CALL FILE_MANAGER.PROCESS_SOURCE_FILE('INBOX/TEST1/FILE_ID/TABLE_NAME/test_file1.csv');
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CALL FILE_MANAGER.PROCESS_SOURCE_FILE('INBOX/TEST2/FILE_ID/TABLE_NAME/test_file2.csv');
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```
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---
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## 6. HARMONOGRAM WDROŻENIA
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### Faza 1: Przygotowanie struktury (KRYTYCZNA)
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1. ✅ Dodanie kolumny `ENCODING` do tabeli
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2. ✅ Zaktualizowanie definicji tabeli w plikach DDL
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### Faza 2: Modyfikacja pakietu (WYSOKA)
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1. ⏳ Dodanie parametru do sygnatury `CREATE_EXTERNAL_TABLE`
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2. ⏳ Implementacja logiki kodowania w formatowaniu JSON
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3. ⏳ Aktualizacja wywołania w procedurze overload
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4. ⏳ Aktualizacja parametrów logowania
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### Faza 3: Testy i walidacja (ŚREDNIA)
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1. ⏳ Testy jednostkowe z różnymi kodowaniami
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2. ⏳ Testy integracyjne z różnymi typami plików
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3. ⏳ Walidacja fallback do domyślnego kodowania
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### Faza 4: Modyfikacja procedur konfiguracyjnych (NISKA)
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1. ⏳ Modyfikacja `ADD_SOURCE_FILE_CONFIG` - dodanie parametru `pEncoding`
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2. ⏳ Aktualizacja dokumentacji
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3. ⏳ Przykłady użycia w confluence
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---
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## 7. ROLLBACK
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W przypadku problemów można wykonać rollback:
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```sql
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-- Usunięcie kolumny (OSTROŻNIE - spowoduje utratę danych)
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ALTER TABLE CT_MRDS.A_SOURCE_FILE_CONFIG DROP COLUMN ENCODING;
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-- Przywrrócenie oryginalnej wersji pakietu FILE_MANAGER
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-- (wymagane przywrrócenie z backupu)
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```
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---
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## 8. UWAGI TECHNICZNE
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### Ograniczenia
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- Maksymalna długość nazwy kodowania: 50 znaków
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- Obsługiwane kodowania: wszystkie wspierane przez Oracle Database
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- Przykłady poprawnych nazw: `UTF8`, `WE8MSWIN1252`, `AL32UTF8`, `WE8ISO8859P1`
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### Bezpieczeństwo
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- Brak walidacji nazwy kodowania na poziomie aplikacji
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- Oracle Database zwaliduje kodowanie podczas tworzenia external table
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- Fallback do domyślnego kodowania bazy w przypadku NULL
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### Wydajność
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- Minimalne obciążenie - kodowanie dodawane tylko jeśli nie jest NULL
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- Brak wpływu na istniejące procesy gdy kolumna jest NULL
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- Używa natywnej funkcji JSON_MERGEPATCH Oracle Database
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---
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## 9. PRZYGOTOWANIE PACZKI INSTALACYJNEJ
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### Struktura paczki MARS-1049
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```
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MARS_Packages/REL02/MARS-1049/
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├── 01_MARS_1049_install_CT_MRDS_ADD_ENCODING_COLUMN.sql
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├── 02_MARS_1049_install_CT_MRDS_FILE_MANAGER_SPEC.sql
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├── 03_MARS_1049_install_CT_MRDS_FILE_MANAGER_BODY.sql
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├── 04_MARS_1049_verify_ENCODING_FUNCTIONALITY.sql
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├── 05_MARS_1049_track_version.sql
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├── 91_MARS_1049_rollback_FILE_MANAGER_BODY.sql
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├── 92_MARS_1049_rollback_FILE_MANAGER_SPEC.sql
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├── 93_MARS_1049_rollback_ENCODING_COLUMN.sql
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├── 94_MARS_1049_track_rollback_version.sql
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├── install_mars1049.sql
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├── rollback_mars1049.sql
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└── README_ENCODING.md
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```
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### Zawartość skryptów instalacyjnych
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#### 01_MARS_1049_install_CT_MRDS_ADD_ENCODING_COLUMN.sql
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```sql
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-- MARS-1049: Dodanie kolumny ENCODING do A_SOURCE_FILE_CONFIG
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-- Autor: System Enhancement
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-- Data: 2025-11-24
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PROMPT Adding ENCODING column to CT_MRDS.A_SOURCE_FILE_CONFIG
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ALTER TABLE CT_MRDS.A_SOURCE_FILE_CONFIG
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ADD (ENCODING VARCHAR2(50));
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COMMENT ON COLUMN CT_MRDS.A_SOURCE_FILE_CONFIG.ENCODING
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IS 'Character encoding for CSV files (e.g. UTF8, WE8MSWIN1252, etc.)';
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PROMPT ENCODING column added successfully
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```
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#### 02_MARS_1049_install_CT_MRDS_FILE_MANAGER_SPEC.sql
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```sql
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-- MARS-1049: Aktualizacja specyfikacji FILE_MANAGER - dodanie parametru pEncoding
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-- Zawiera: Modyfikację sygnatury CREATE_EXTERNAL_TABLE i ADD_SOURCE_FILE_CONFIG
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```
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#### 04_MARS_1049_verify_ENCODING_FUNCTIONALITY.sql
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```sql
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-- MARS-1049: Weryfikacja funkcjonalności ENCODING
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PROMPT Testing ENCODING functionality...
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-- Test 1: Sprawdzenie struktury tabeli
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SELECT COLUMN_NAME, DATA_TYPE, DATA_LENGTH, NULLABLE
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FROM USER_TAB_COLUMNS
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WHERE TABLE_NAME = 'A_SOURCE_FILE_CONFIG'
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AND COLUMN_NAME = 'ENCODING';
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-- Test 2: Test podstawowej funkcjonalności
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INSERT INTO CT_MRDS.A_SOURCE_FILE_CONFIG (
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A_SOURCE_KEY, SOURCE_FILE_TYPE, SOURCE_FILE_ID,
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SOURCE_FILE_DESC, SOURCE_FILE_NAME_PATTERN,
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TABLE_ID, TEMPLATE_TABLE_NAME, ENCODING
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) VALUES (
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'TEST', 'INPUT', 'ENCODING_TEST',
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'Test ENCODING functionality', 'test_*.csv',
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'TEST_TABLE', 'CT_ET_TEMPLATES.TEST_TABLE', 'UTF8'
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);
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-- Sprawdzenie czy rekord został dodany
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SELECT A_SOURCE_FILE_CONFIG_KEY, ENCODING
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FROM CT_MRDS.A_SOURCE_FILE_CONFIG
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WHERE A_SOURCE_KEY = 'TEST' AND SOURCE_FILE_ID = 'ENCODING_TEST';
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-- Cleanup
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DELETE FROM CT_MRDS.A_SOURCE_FILE_CONFIG
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WHERE A_SOURCE_KEY = 'TEST' AND SOURCE_FILE_ID = 'ENCODING_TEST';
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PROMPT ENCODING functionality verification completed successfully
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```
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#### install_mars1049.sql (Master Install Script)
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```sql
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-- MARS-1049: Master Installation Script
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-- CSV Encoding Support Implementation
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PROMPT ================================================
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PROMPT MARS-1049: Installing CSV Encoding Support
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PROMPT ================================================
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SPOOL install_mars1049.log
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-- Faza 1: Struktura bazy danych
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PROMPT Phase 1: Database Structure Changes
|
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@@01_MARS_1049_install_CT_MRDS_ADD_ENCODING_COLUMN.sql
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-- Faza 2: Pakiet FILE_MANAGER (Specyfikacja)
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PROMPT Phase 2: FILE_MANAGER Package Specification
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@@02_MARS_1049_install_CT_MRDS_FILE_MANAGER_SPEC.sql
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|
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-- Faza 3: Pakiet FILE_MANAGER (Ciało)
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PROMPT Phase 3: FILE_MANAGER Package Body
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||||
@@03_MARS_1049_install_CT_MRDS_FILE_MANAGER_BODY.sql
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-- Faza 4: Weryfikacja
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PROMPT Phase 4: Functionality Verification
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@@04_MARS_1049_verify_ENCODING_FUNCTIONALITY.sql
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-- Faza 5: Tracking wersji
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PROMPT Phase 5: Version Tracking
|
||||
@@05_MARS_1049_track_version.sql
|
||||
|
||||
PROMPT ================================================
|
||||
PROMPT MARS-1049: Installation completed successfully
|
||||
PROMPT ================================================
|
||||
|
||||
SPOOL OFF
|
||||
```
|
||||
|
||||
#### rollback_mars1049.sql (Master Rollback Script)
|
||||
```sql
|
||||
-- MARS-1049: Master Rollback Script
|
||||
-- WARNING: This will remove ENCODING functionality
|
||||
|
||||
PROMPT ================================================
|
||||
PROMPT MARS-1049: Rolling back CSV Encoding Support
|
||||
PROMPT WARNING: This will remove ENCODING column and data!
|
||||
PROMPT ================================================
|
||||
|
||||
SPOOL rollback_mars1049.log
|
||||
|
||||
-- Rollback w odwrotnej kolejności
|
||||
@@94_MARS_1049_track_rollback_version.sql
|
||||
@@93_MARS_1049_rollback_ENCODING_COLUMN.sql
|
||||
@@92_MARS_1049_rollback_FILE_MANAGER_SPEC.sql
|
||||
@@91_MARS_1049_rollback_FILE_MANAGER_BODY.sql
|
||||
|
||||
PROMPT ================================================
|
||||
PROMPT MARS-1049: Rollback completed
|
||||
PROMPT ================================================
|
||||
|
||||
SPOOL OFF
|
||||
```
|
||||
|
||||
### Deployment Commands
|
||||
```powershell
|
||||
# Instalacja paczki MARS-1049
|
||||
Get-Content "MARS_Packages\REL02\MARS-1049\install_mars1049.sql" | sql "CT_MRDS/Cloudpass#34@ggmichalski_high"
|
||||
|
||||
# W przypadku problemów - rollback
|
||||
Get-Content "MARS_Packages\REL02\MARS-1049\rollback_mars1049.sql" | sql "CT_MRDS/Cloudpass#34@ggmichalski_high"
|
||||
|
||||
# Archiwizacja po instalacji
|
||||
7z a -pMojeSuperHaslo -mhe=on MARS_1049_arch.7z MARS_Packages\REL02\MARS-1049\*.sql
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Status: GOTOWE DO IMPLEMENTACJI
|
||||
**Utworzone**: 2025-11-24
|
||||
**Autor**: System FILE_MANAGER Enhancement
|
||||
**MARS Issue**: MARS-1049
|
||||
**Priorytet**: WYSOKI
|
||||
Reference in New Issue
Block a user