diff --git a/.github/postgres-migrations/localhost/results/application_guidance.md b/.github/postgres-migrations/localhost/results/application_guidance.md new file mode 100644 index 0000000..a5ec7eb --- /dev/null +++ b/.github/postgres-migrations/localhost/results/application_guidance.md @@ -0,0 +1,38 @@ +# Application Migration Guidance + +⚠️ **Note**: This is basic guidance generated during export. For enhanced analysis, run the migration summarizing agent. + +Generated for project: localhost +Generated on: 2025-11-10T16:43:46.065857 + +## Overview + +This document provides basic guidance for updating your application to work with the migrated PostgreSQL database. + +## Migration Summary + +- **Total Objects**: 3 +- **Conversion Rate**: Unknown% +- **Total Chunks**: 3 +- **Completed Chunks**: 3 + +## Migration Notes + +### Schema_Structure_Changes +**Impact**: medium +**Summary**: Oracle schemas are implicit and tied to users, while PostgreSQL requires explicit schema creation. +**Affected Objects**: PHOTOALBUM +The migration involved converting the implicit Oracle schema to an explicit PostgreSQL schema using CREATE SCHEMA IF NOT EXISTS. + +### Table_Conversion +**Impact**: high +**Summary**: Oracle NUMBER(19,0) and NUMBER(10,0) columns converted to PostgreSQL BIGINT for file_size, height, and width. Oracle BLOB column PHOTO_DATA converted to PostgreSQL BYTEA. Oracle TIMESTAMP(6) DEFAULT SYSTIMESTAMP converted to PostgreSQL TIMESTAMP DEFAULT CURRENT_TIMESTAMP. Oracle tablespace, storage, and LOB options omitted as they are not applicable in PostgreSQL. +**Affected Objects**: PHOTOALBUM.PHOTOS +Column type conversions: NUMBER(19,0) and NUMBER(10,0) → BIGINT; BLOB → BYTEA; TIMESTAMP(6) DEFAULT SYSTIMESTAMP → TIMESTAMP DEFAULT CURRENT_TIMESTAMP. Oracle tablespace, storage, and LOB options omitted as not applicable in PostgreSQL. + +### Index_Handling +**Impact**: medium +**Summary**: Oracle quoted UPPERCASE identifiers for schema, table, index, and column were converted to PostgreSQL lowercase unquoted names for schema/table/index, but the column name was quoted as "uploaded_at" to preserve case sensitivity and avoid naming errors. +**Affected Objects**: PHOTOALBUM.IDX_PHOTOS_UPLOADED_AT +Identifier conversion: schema/table/index names lowercased and unquoted; column name "uploaded_at" quoted to preserve case sensitivity and avoid naming errors. + diff --git a/.github/postgres-migrations/localhost/results/application_guidance/coding_notes.json b/.github/postgres-migrations/localhost/results/application_guidance/coding_notes.json new file mode 100644 index 0000000..adb63b4 --- /dev/null +++ b/.github/postgres-migrations/localhost/results/application_guidance/coding_notes.json @@ -0,0 +1,47 @@ +{ + "migration_id": "localhost_20251110_164346", + "generated_at": "2025-11-10T16:43:46.032575", + "source_project": "c:\\Users\\rujche\\Work\\git-repositories\\main\\PhotoAlbum-Java\\.github\\postgres-migrations\\localhost", + "coding_notes": [ + { + "id": "cn_001", + "category": "data_type_changes", + "object": "All numeric columns", + "summary": "Oracle NUMBER types converted to PostgreSQL equivalents", + "impact": "medium", + "oracle_pattern": "NUMBER(precision, scale)", + "postgres_pattern": "BIGINT, DECIMAL, or NUMERIC", + "application_changes": [ + "Review entity classes for data type compatibility", + "Update API documentation with new data types", + "Verify that existing data fits in new type ranges" + ], + "code_examples": { + "java_entity": { + "before": "@Column(name = \"amount\")\nprivate Integer amount;", + "after": "@Column(name = \"amount\")\nprivate Long amount;" + } + } + }, + { + "id": "cn_002", + "category": "sql_syntax_changes", + "object": "Sequence usage", + "summary": "Oracle sequence syntax converted to PostgreSQL SERIAL or IDENTITY", + "impact": "low", + "oracle_pattern": "sequence_name.NEXTVAL", + "postgres_pattern": "SERIAL or IDENTITY columns", + "application_changes": [ + "Remove explicit sequence calls in INSERT statements", + "Update ORM mappings for auto-generated IDs", + "Verify ID generation in application tests" + ], + "code_examples": { + "sql": { + "before": "INSERT INTO employees (id, name) VALUES (emp_seq.NEXTVAL, 'John')", + "after": "INSERT INTO employees (name) VALUES ('John') -- ID auto-generated" + } + } + } + ] +} \ No newline at end of file diff --git a/.github/postgres-migrations/localhost/results/application_guidance/coding_notes.md b/.github/postgres-migrations/localhost/results/application_guidance/coding_notes.md new file mode 100644 index 0000000..36f12aa --- /dev/null +++ b/.github/postgres-migrations/localhost/results/application_guidance/coding_notes.md @@ -0,0 +1,106 @@ +# Application Migration Coding Notes + +**Migration Project**: localhost +**Generated**: 2025-11-10 16:43:46 + +This document provides guidance for updating application code +after the Oracle → PostgreSQL database migration. + +## Summary + +- **Total coding notes**: 2 +- **Critical impact**: 0 +- **High impact**: 0 +- **Medium impact**: 1 +- **Low impact**: 1 + +## Medium Impact Changes + +### cn_001: Oracle NUMBER types converted to PostgreSQL equivalents + +**Object**: All numeric columns +**Category**: data_type_changes +**Impact**: medium + +**Pattern Change**: +- Oracle: `NUMBER(precision, scale)` +- PostgreSQL: `BIGINT, DECIMAL, or NUMERIC` + +**Application Changes Required**: +- Review entity classes for data type compatibility +- Update API documentation with new data types +- Verify that existing data fits in new type ranges + +**Code Examples**: + +*Java_Entity*: +``` +// Before +@Column(name = "amount") +private Integer amount; + +// After +@Column(name = "amount") +private Long amount; +``` + +--- + +## Low Impact Changes + +### cn_002: Oracle sequence syntax converted to PostgreSQL SERIAL or IDENTITY + +**Object**: Sequence usage +**Category**: sql_syntax_changes +**Impact**: low + +**Pattern Change**: +- Oracle: `sequence_name.NEXTVAL` +- PostgreSQL: `SERIAL or IDENTITY columns` + +**Application Changes Required**: +- Remove explicit sequence calls in INSERT statements +- Update ORM mappings for auto-generated IDs +- Verify ID generation in application tests + +**Code Examples**: + +*Sql*: +``` +// Before +INSERT INTO employees (id, name) VALUES (emp_seq.NEXTVAL, 'John') + +// After +INSERT INTO employees (name) VALUES ('John') -- ID auto-generated +``` + +--- + +## Development Checklist + +### Database Schema Updates +- [ ] Update ORM entity classes with new data types +- [ ] Verify foreign key relationships work correctly +- [ ] Test sequence/identity column behavior +- [ ] Update database migration scripts + +### Application Code Updates +- [ ] Review and update SQL queries for PostgreSQL syntax +- [ ] Update data access layer for new data types +- [ ] Verify error handling for PostgreSQL error codes +- [ ] Update connection strings and database configuration + +### Testing +- [ ] Run full application test suite +- [ ] Verify data integrity after migration +- [ ] Test performance with PostgreSQL +- [ ] Validate all application features work correctly + +### Deployment +- [ ] Update CI/CD pipeline for PostgreSQL +- [ ] Update application configuration +- [ ] Plan rollback strategy if needed +- [ ] Monitor application after deployment + +--- +*Generated by Oracle Migration Service* diff --git a/.github/postgres-migrations/localhost/results/application_guidance/impact_analysis.json b/.github/postgres-migrations/localhost/results/application_guidance/impact_analysis.json new file mode 100644 index 0000000..f87d550 --- /dev/null +++ b/.github/postgres-migrations/localhost/results/application_guidance/impact_analysis.json @@ -0,0 +1,32 @@ +{ + "migration_id": "localhost_20251110_164346", + "generated_at": "2025-11-10T16:43:46.054967", + "impact_summary": { + "overall_impact": "medium", + "estimated_effort_days": 5, + "risk_level": "low" + }, + "categories": { + "data_type_changes": { + "count": 1, + "impact": "medium", + "effort_hours": 8 + }, + "sql_syntax_changes": { + "count": 1, + "impact": "low", + "effort_hours": 4 + }, + "sequence_handling": { + "count": 1, + "impact": "low", + "effort_hours": 2 + } + }, + "recommendations": [ + "Allocate 1-2 weeks for thorough application testing", + "Update development team on PostgreSQL-specific patterns", + "Plan staged deployment with rollback capability", + "Monitor application performance after migration" + ] +} \ No newline at end of file diff --git a/.github/postgres-migrations/localhost/results/deploy.sql b/.github/postgres-migrations/localhost/results/deploy.sql new file mode 100644 index 0000000..6a3b632 --- /dev/null +++ b/.github/postgres-migrations/localhost/results/deploy.sql @@ -0,0 +1,63 @@ +-- Oracle → PostgreSQL Migration Deployment Script +-- Generated: 2025-11-10T16:43:46.032575 +-- Migration Project: localhost +-- Total Objects: 3 +-- PostgreSQL Version: 15+ +-- +-- This script contains the complete migrated schema in dependency order. +-- Execute this script against your target PostgreSQL database. +-- +-- IMPORTANT: +-- - Review this script before execution +-- - Ensure target database has appropriate permissions +-- - Consider running in a transaction for safety +-- +-- BEGIN MIGRATION DEPLOYMENT +-- ========================================== + +BEGIN; + +-- Migration deployment started +DO $$ +BEGIN + RAISE NOTICE 'Starting Oracle → PostgreSQL migration deployment at %', NOW(); +END $$; + +-- PUBLIC.photoalbum (SCHEMA) +-- Source: artifacts\postgres\PUBLIC\SCHEMA\photoalbum.sql +CREATE SCHEMA IF NOT EXISTS photoalbum; + +-- photoalbum.photos (TABLE) +-- Source: artifacts\postgres\photoalbum\TABLE\photos.sql +CREATE TABLE IF NOT EXISTS photoalbum.photos ( + id VARCHAR(36) NOT NULL, + file_path VARCHAR(500), + file_size BIGINT NOT NULL, + height BIGINT, + mime_type VARCHAR(50) NOT NULL, + original_file_name VARCHAR(255) NOT NULL, + photo_data BYTEA, + stored_file_name VARCHAR(255) NOT NULL, + uploaded_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL, + width BIGINT, + CONSTRAINT photos_pkey PRIMARY KEY (id) +); + +-- PUBLIC.idx_photos_uploaded_at (INDEX) +-- Source: artifacts\postgres\PUBLIC\INDEX\idx_photos_uploaded_at.sql +CREATE INDEX IF NOT EXISTS idx_photos_uploaded_at ON photoalbum.photos ("uploaded_at"); + + +-- Migration deployment completed +DO $$ +BEGIN + RAISE NOTICE 'Oracle → PostgreSQL migration deployment completed successfully at %', NOW(); +END $$; + +COMMIT; + +-- END MIGRATION DEPLOYMENT +-- ========================================== +-- +-- Migration deployment script generated by Oracle Migration Service +-- For support and documentation, visit: https://github.com/microsoft/vscode-postgresql diff --git a/.github/postgres-migrations/localhost/results/migration_summary.json b/.github/postgres-migrations/localhost/results/migration_summary.json new file mode 100644 index 0000000..e5453ad --- /dev/null +++ b/.github/postgres-migrations/localhost/results/migration_summary.json @@ -0,0 +1,63 @@ +{ + "migration_project": { + "name": "localhost", + "path": "c:\\Users\\rujche\\Work\\git-repositories\\main\\PhotoAlbum-Java\\.github\\postgres-migrations\\localhost", + "created_at": "2025-11-10T16:41:28.400672", + "completed_at": "2025-11-10T16:43:46.017240" + }, + "extraction": { + "total_objects": 3, + "schemas_migrated": [ + "PHOTOALBUM" + ] + }, + "conversion": { + "total_chunks": 3, + "completed_chunks": 3, + "failed_chunks": 0, + "conversion_rate": 1.0 + }, + "review_tasks": { + "total_tasks": 1, + "resolved_tasks": 0 + }, + "export": { + "exported_at": "2025-11-10T16:43:46.017240", + "artifacts_generated": true + }, + "object_statistics": { + "total_chunks": 3, + "completed_chunks": 3, + "validated_chunks": 3, + "total_objects": 3, + "total_converted": 3, + "total_skipped": 0, + "overall_conversion_rate": 100.0, + "chunks": [ + { + "name": "chunk-000", + "total_objects": 1, + "converted": 1, + "skipped": 0, + "status": "passed", + "completed": true + }, + { + "name": "chunk-001", + "total_objects": 1, + "converted": 1, + "skipped": 0, + "status": "passed", + "completed": true + }, + { + "name": "chunk-002", + "total_objects": 1, + "converted": 1, + "skipped": 0, + "status": "passed", + "completed": true + } + ] + } +} \ No newline at end of file diff --git a/.github/postgres-migrations/localhost/results/reports/conversion_statistics.json b/.github/postgres-migrations/localhost/results/reports/conversion_statistics.json new file mode 100644 index 0000000..731ea5e --- /dev/null +++ b/.github/postgres-migrations/localhost/results/reports/conversion_statistics.json @@ -0,0 +1,27 @@ +{ + "migration_id": "localhost_20251110_164346", + "generated_at": "2025-11-10T16:43:46.032575", + "source_project": "c:\\Users\\rujche\\Work\\git-repositories\\main\\PhotoAlbum-Java\\.github\\postgres-migrations\\localhost", + "migration_summary": { + "total_objects": 3, + "total_chunks": 3, + "completed_chunks": 3, + "failed_chunks": 0, + "success_rate_percent": 100.0 + }, + "object_type_breakdown": { + "TABLE": 1, + "INDEX": 1, + "SCHEMA": 1 + }, + "deployment_artifacts": { + "deploy_sql_generated": true, + "reports_generated": true, + "application_guidance_generated": true + }, + "quality_metrics": { + "objects_requiring_review": 1, + "manual_interventions": 0, + "conversion_warnings": 0 + } +} \ No newline at end of file diff --git a/.github/postgres-migrations/localhost/results/reports/migration_summary_report.md b/.github/postgres-migrations/localhost/results/reports/migration_summary_report.md new file mode 100644 index 0000000..c1e9567 --- /dev/null +++ b/.github/postgres-migrations/localhost/results/reports/migration_summary_report.md @@ -0,0 +1,75 @@ +# 🔄 Oracle to PostgreSQL Migration Report + +## 📋 Migration Overview +This report describes the migration of Oracle schema objects to PostgreSQL. The migration was performed on **2025-11-10** +and includes all major Oracle object types converted to their PostgreSQL equivalents. + +## 📈 Summary +| 📦 Total Objects | ✅ Successfully Converted | 📊 Percent | +|------------------|----------------------------|-------------| +|