tilbudgivern/archive/docs/database_cleanup_completed.md

Database Cleanup Phase 1 - COMPLETED ✅

Summary

Successfully completed Phase 1 database cleanup on September 17, 2025

Results

• Before: 32 tables/views
• After: 28 tables/views
• Removed: 5 empty tables/views (15.6% reduction)

Successfully Removed

1. Empty Tables (0 rows)

• ✅ bygma_materials_cache - Empty cache table
• ✅ quote_items - Legacy quote items (removed FK constraints first)
• ✅ quote_feedback - Unused feedback system
• ✅ quote_pricing_history - Empty pricing history

2. Empty Views

• ✅ recent_material_prices - Unused pricing view

Special Handling Required

quote_items Table

• Issue: Had foreign key constraints to quotes and price_database tables
• Solution: Dropped foreign key constraints first:

  ALTER TABLE quote_items DROP FOREIGN KEY quote_items_ibfk_1;
  ALTER TABLE quote_items DROP FOREIGN KEY quote_items_ibfk_2;
  DROP TABLE quote_items;
  

recent_material_prices

• Issue: Was a view, not a table
• Solution: Used DROP VIEW instead of DROP TABLE

Backup Created

• File: tilbudgivern_backup_before_cleanup_20250917_100844.sql
• Location: /home/alex/git/tilbudgivern/
• Contains: Full database backup before any changes

Database Efficiency Improvement

• Tables removed: 5 out of 32 (15.6%)
• Empty/unused objects eliminated: 100% of identified empty tables
• Database cleaner and more maintainable

Remaining Database Structure

The database now contains 28 active tables focused on:

• Core project management system
• Enhanced quotes with detailed information
• Material pricing and categories
• OCR and dynamic material processing
• Legacy quote compatibility (maintained)

Next Steps Available

• Phase 2: Remove legacy unused tables (if desired)
• Phase 3: Consider consolidating duplicate functionality
• Current: Database optimized and fully functional

Validation

• ✅ All APIs tested and working
• ✅ Enhanced quotes system operational
• ✅ No functionality lost
• ✅ Backup available for rollback if needed

Status: Phase 1 cleanup SUCCESSFULLY COMPLETED 🎉