Prisma throws P1015 when the schema asks for database features that the connected server version does not expose. The migration or introspection stops before generating SQL, and Prisma reports the exact version plus a list of the unsupported statements so you can align the schema with what the database actually supports.
The query engine compares your schema with the capabilities declared by the database. When a field, index, constraint, or native type requires a feature that the current database version lacks, it raises P1015 along with metadata such as `database_version` and an `errors` list describing each unsupported element. This prevents Prisma from emitting DDL that would fail on the server and gives you a chance to adjust either the schema or the database version before applying migrations.
Re-run the command that triggered the error so you can copy the unmapped features. The most common commands are:
npx prisma migrate devor
npx prisma db pushThe CLI will print a block like:
Database version: 5.7.40
Errors:
• Check constraints are not supported in this release.
Use that output to know exactly which schema elements the database refused.
Connect to the database and run the native version query so you can compare it to the supported-databases list:
-- PostgreSQL
SELECT version();
-- MySQL/MariaDB
SELECT VERSION();
-- SQL Server
SELECT SERVERPROPERTY('ProductVersion');If the value is older than the releases listed at https://www.prisma.io/docs/orm/reference/supported-databases, plan an upgrade or switch to a supported host.
Open https://www.prisma.io/docs/orm/reference/database-features and locate the feature rows for the offending items (CHECK constraints, USING indexes, EXCLUDE constraints, etc.). The table names the connector or version that supports each feature—for example, CHECK constraints are only available on MySQL 8+, and certain index algorithms are Postgres-only.
If the matrix marks a feature as “PostgreSQL only” or “Not yet” for Prisma Migrate, avoid using it or rework the schema to keep the unsupported constructs out of migrations.
If your database version is too old, plan an upgrade path (e.g., migrate MySQL 5.7 → 8.0) or move to a managed service that lists the version you need. When you control the schema, remove or replace the offending constructs:
- Drop the unsupported @@check definitions or enforce the rule in the application layer.
- Convert Gist/Gin/Brin indexes to B-tree indexes that your database already supports.
- Disable preview features that require newer engines until you can upgrade.
After making the change, rerun the migration command:
npx prisma migrate devor
npx prisma db pushPrisma should now proceed once the schema and database agree on the supported feature set.
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P1013: The provided database string is invalid
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