Prisma 5 Prisma 6: The Breaking Changes I Hit in My Real Schema and How I Fixed Them Without Breaking Production
The article discusses the challenges of migrating from Prisma 5 to Prisma 6, highlighting key breaking changes that developers should be aware of. It emphasizes the importance of understanding these changes to avoid runtime issues and ensure a smooth upgrade process. The author provides insights into specific behavior changes and offers a checklist to help manage the transition effectively.
- ▪Prisma 6 introduces changes that may not trigger TypeScript compiler warnings but can lead to runtime issues.
- ▪The selectRelationCount feature is now enabled by default in Prisma 6, requiring developers to update their schemas accordingly.
- ▪The handling of undefined values in relational queries has changed, affecting how filters are applied based on field types.
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 885942) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Juan Torchia Posted on Jun 3 • Originally published at juanchi.dev Prisma 5 Prisma 6: The Breaking Changes I Hit in My Real Schema and How I Fixed Them Without Breaking Production #english #typescript #backend #nextjs Prisma 5 → Prisma 6: The Breaking Changes I Hit in My Real Schema and How I Fixed Them Without Breaking Production The correct approach to migrating from Prisma 5 to Prisma 6 without breaking anything is don't run the upgrade on a Friday. I know that sounds obvious.
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