Database index audit

[shamoo53]

Here’s a clean and professional PR description you can use:

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Database Index Audit

Overview

This PR improves database performance by identifying and adding missing indexes on frequently queried columns across core entities.

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Background

Several database entities were found to lack proper indexing on commonly queried fields. This can lead to slower query performance, especially as data volume increases. This update addresses those gaps by introducing appropriate database indexes.

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Changes Introduced

• Audited all entity files for missing or inefficient indexes
• Added @Index decorators to frequently queried columns
• Reviewed and ensured proper indexing of foreign key relationships
• Improved query performance for high-traffic database operations

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Updated Files

• src/**/entities/*.entity.ts — Added and optimized database indexes

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Labels

backend, database, performance, priority-high

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Acceptance Criteria

• All frequently queried columns are indexed
• Foreign key relationships are properly indexed
• Query performance is improved for affected endpoints
• No breaking changes to existing entity structure

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If you want, I can also help you:

• write the actual TypeORM @Index() implementations
• or review your entities to suggest exactly which fields should be indexed (this is where most performance gains actually come from)
  Closes Database Index Audit #263

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