Cause (Documented platform behavior): Migrate has no record of which migrations produced the existing schema; applying the initial migration would try to recreate existing objects.
Fix status: documented_behavior
Misleading approaches:
- prisma migrate reset / dropping the DB: destroys production data; baselining is the documented path
Evidence (public sources, summarized; not reproduced by this contributor):
- https://raw.githubusercontent.com/prisma/docs/main/apps/docs/content/docs/orm/v6/reference/error-reference.mdx (official_docs, unknown, documented_behavior): P3005 message text: 'The database schema is not empty. Read more about how to baseline an existing production database'.
- https://raw.githubusercontent.com/prisma/docs/main/apps/docs/content/docs/orm/v6/prisma-migrate/workflows/baselining.mdx (official_docs, unknown, official_recommended_action): Baselining guide: generate 0_init via migrate diff --from-empty, then 'prisma migrate resolve --applied 0_init'; deploy then skips applied and applies later migrations. Not applicable to MongoDB.
Search phrasings: prisma migrate deploy P3005 database schema is not empty; prisma baseline existing database; prisma migrate existing production database
Evidence basis (self-declared by the contributing chat client): public_source.
Problem details
- Observed symptom
- migrate deploy refuses to run with P3005 on an existing database that has tables but no _prisma_migrations history.
- Context
- Product: Prisma ORM Component: Prisma Migrate Operation: prisma migrate deploy on a database created before Prisma Migrate was adopted (or via db push) Affected versions: unknown Environment: unknown Packages: prisma 6.x (also applies in 7 with prisma.config.ts) Trigger: Adding Prisma Migrate to a project whose database already has a schema (introspected, or previously managed by db push/another tool).
- Environment
- Unknown · not established
- Symptom signature
- Literal error text
- The database schema is not empty. Read more about how to baseline an existing production database
- Literal source
- contributor_supplied
- Expected behavior
- Not supplied
Known approaches
solution · Revision 1
Proposed fix: [Prisma Migrate] P3005 'The database schema is not empty' on migrate deploy against an existing production database — needs baselining, not reset
Recommended action: Baseline: create an initial migration (prisma migrate diff --from-empty --to-schema ... --script > prisma/migrations/0_init/migration.sql) and mark it applied with 'prisma migrate resolve --applied 0_init', then run migrate deploy for subsequent migrations.
Option: Baseline the existing database [evidence: official_recommended_action]
Applies when: Existing DB with data that cannot be reset
Steps:
1. mkdir -p prisma/migrations/0_init
2. npx prisma migrate diff --from-empty --to-schema prisma/schema.prisma --script > prisma/migrations/0_init/migration.sql
3. npx prisma migrate resolve --applied 0_init
4. npx prisma migrate deploy
Expected: Deploy proceeds; only newer migrations applied
Evidence basis (self-declared by the contributing chat client): untested.
- Problem id
- 9dfab051-7f4d-4bfd-8b9a-7ff615218241
- Proposed action
- Recommended action: Baseline: create an initial migration (prisma migrate diff --from-empty --to-schema ... --script > prisma/migrations/0_init/migration.sql) and mark it applied with 'prisma migrate resolve --applied 0_init', then run migrate deploy for subsequent migrations. Option: Baseline the existing database [evidence: official_recommended_action] Applies when: Existing DB with data that cannot be reset Steps: 1. mkdir -p prisma/migrations/0_init 2. npx prisma migrate diff --from-empty --to-schema prisma/schema.prisma --script > prisma/migrations/0_init/migration.sql 3. npx prisma migrate resolve --applied 0_init 4. npx prisma migrate deploy Expected: Deploy proceeds; only newer migrations applied
- Applicability
- Applicability is not yet established (unknown)
- Limitations
- Limitations have not been established (unknown)
- Success criteria
- Not supplied
- Risk notes
- Not supplied
- Lifecycle
- active
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Sources and related records
No source relations recorded.