Execute the command "prisma migrate dev" to update the existing database

Question

Execute the command "prisma migrate dev" to update the existing database

I'm currently in the process of configuring Prisma migrate on a pre-populated MySQL database in my development environment, but I'm facing challenges getting it to function correctly.

1. After executing prisma db pull successfully to generate the schema (which went smoothly), I encountered a warning when running

prisma migrate dev --name initial-migration --create-only

, prompting me to RESET the database. Since this was not the desired outcome...

2. I proceeded to utilize the command

prisma migrate diff --from-empty --to-schema-datamodel prisma/schema.prisma --script > migration.sql

and then manually transferred the SQL file to a newly created prisma/migrations/init folder.

3. Moving forward, I attempted to establish a baseline for the migration by running

prisma migrate resolve --applied "initial"

However, an error emerged stating that the migration could not be located, despite its presence and recognition by Prisma.

View captured console error message

javascript prisma

Answer 1

Answer №1

To achieve your desired outcome, simply follow these steps:

Start by backing up your database using the command:

mysqldump --user=root --password="" database_name > database_name.sql

Next, set up Prisma and execute: npx prisma db pull

Perform a Prisma migration by running:

npx prisma migrate dev --name your_migration_name

Access the command line tool for your database and enter:
```
mysql --user=your_username --password=your_password
```
Select your database with the following command:
```
mysql[(none)]>>use database_name
```
You can now restore your database by executing the SQL file using this command:
```
mysql[database_name]>> source C:\path\to\your\database_backupfile\database_name.sql
```
By completing these steps, your database will be in sync with Prisma and your data will be restored.

Answer 2

To achieve your desired outcome, simply follow these steps:

Start by backing up your database using the command:

mysqldump --user=root --password="" database_name > database_name.sql

Next, set up Prisma and execute: npx prisma db pull

Perform a Prisma migration by running:

npx prisma migrate dev --name your_migration_name

Access the command line tool for your database and enter:
```
mysql --user=your_username --password=your_password
```
Select your database with the following command:
```
mysql[(none)]>>use database_name
```
You can now restore your database by executing the SQL file using this command:
```
mysql[database_name]>> source C:\path\to\your\database_backupfile\database_name.sql
```
By completing these steps, your database will be in sync with Prisma and your data will be restored.

Execute the command "prisma migrate dev" to update the existing database

Answer №1

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