Prisma migration with transaction fails without good error message
According to this blog post Prisma supports transactions for migrations when using the postgres database. To use this feature we need to manually edit the created migrations and add BEGIN; and COMMIT; at the appropriate locations. When such a migration wrapped in a transaction fails. The error message is pretty unhelpful as seen in Actual output.
Commands to reproduce
git clone [email protected]:mircohaug/prisma-migration-error-messages.git
cd prisma-migration-error-messages
npm install
docker-compose up -d
npx prisma migrate reset -fActual output
❯ npx prisma migrate reset -f
Environment variables loaded from .env
Prisma schema loaded from prisma/schema.prisma
Datasource "db": PostgreSQL database "db_name", schema "public" at "localhost:6543"
Applying migration `20220913090323_init`
Error: db error: ERROR: current transaction is aborted, commands ignored until end of transaction block
0: migration_core::commands::apply_migrations::Applying migration
with migration_name="20220913090323_init"
at migration-engine/core/src/commands/apply_migrations.rs:91
1: migration_core::state::ApplyMigrations
at migration-engine/core/src/state.rs:185
Expected output
Created by removing the transaction from the migration script
❯ npx prisma migrate reset -f
Environment variables loaded from .env
Prisma schema loaded from prisma/schema.prisma
Datasource "db": PostgreSQL database "db_name", schema "public" at "localhost:6543"
Applying migration `20220913090323_init`
Error: P3018
A migration failed to apply. New migrations cannot be applied before the error is recovered from. Read more about how to resolve migration issues in a production database: https://pris.ly/d/migrate-resolve
Migration name: 20220913090323_init
Database error code: 23505
Database error:
ERROR: could not create unique index "User_email_key"
DETAIL: Key (email)=([email protected]) is duplicated.
DbError { severity: "ERROR", parsed_severity: Some(Error), code: SqlState(E23505), message: "could not create unique index \"User_email_key\"", detail: Some("Key (email)=([email protected]) is duplicated."), hint: None, position: None, where_: None, schema: Some("public"), table: Some("User"), column: None, datatype: None, constraint: Some("User_email_key"), file: Some("tuplesort.c"), line: Some(4058), routine: Some("comparetup_index_btree") }
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