Implementing Soft Deletes in SQLAlchemy: Keeping Audit Trails Without Orphaning Foreign Keys in Multi-Tenant Systems
The article discusses the implementation of soft deletes in SQLAlchemy, emphasizing the importance of maintaining audit trails and referential integrity in multi-tenant systems. It outlines the challenges faced in previous attempts and presents a refined approach using a polymorphic mixin. The proposed solution aims to prevent issues like orphaned foreign keys and schema pollution while ensuring compliance with regulatory requirements.
- ▪Soft deletes are essential for maintaining audit trails in financial and healthcare data management.
- ▪Previous attempts at implementing soft deletes led to production failures due to foreign key constraint violations and incomplete data in audit queries.
- ▪The article introduces a SoftDeleteMixin that allows for transparent soft delete behavior while preserving foreign key constraints.
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3944682) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Ugur Aslim Posted on Jun 3 • Originally published at uguraslim.com Implementing Soft Deletes in SQLAlchemy: Keeping Audit Trails Without Orphaning Foreign Keys in Multi-Tenant Systems #sqlalchemy #postgres #dataarchitecture #multitenancy Implementing Soft Deletes in SQLAlchemy: Keeping Audit Trails Without Orphaning Foreign Keys in Multi-Tenant Systems I've shipped soft deletes three times now. The first two times, I broke production.
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