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docs: add admonition for creating seed data
PR-URL: https://github.com/hasura/graphql-engine-mono/pull/10017 GitOrigin-RevId: b414a4603ff65f9eaa499f4c4fbf43a522af0cc0
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@ -12,14 +12,14 @@ keywords:
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## Use case
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It's often useful to add some initial Seed data into your database as part of the initialization process, with
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Hasura Seeds you can do that. This is particularly useful for adding a testing user or to pre-populate values if you
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have set a table in Hasura as an enum table to expose it as GraphQL enums in the GraphQL API.
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It's often useful to add some initial Seed data into your database as part of the initialization process, with Hasura
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Seeds you can do that. This is particularly useful for adding a testing user or to pre-populate values if you have set a
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table in Hasura as an enum table to expose it as GraphQL enums in the GraphQL API.
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## Create a Hasura Seed file
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You can use the Hasura CLI to automatically create Seed files for you based on the data which is already in a table
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in a database.
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You can use the Hasura CLI to automatically create Seed files for you based on the data which is already in a table in a
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database.
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```bash
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hasura seed create myAuthorsSeed --from-table author
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@ -48,6 +48,14 @@ INSERT INTO public.author (id, name) VALUES ('3', 'Austen');
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INSERT INTO public.author (id, name) VALUES ('4', 'Orwell');
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```
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:::info Want to generate seed data for a table that doesn't exist yet?
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You can still use the `hasura seed create` command! Simply leave off the `--from-table` flag and accompanying argument,
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and Hasura will launch an editor in which you can write your own SQL statements. Upon saving and quitting the editor,
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Hasura will create a seed file for you in the `/seeds/default` directory.
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:::
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## Apply a Hasura Seed file
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To apply a seeds file to your Hasura instance you can use the `apply` Hasura CLI command. Eg:
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@ -56,13 +64,12 @@ To apply a seeds file to your Hasura instance you can use the `apply` Hasura CLI
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hasura seed apply --file 1656499378904_myNewAuthorsSeed.sql
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```
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If you do not specify a database with the `--database-name` flag then the CLI will prompt you to choose the database
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to apply the seeds to and as long as there are no conflicts and the SQL executes successfully to input the data then
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the CLI will log:
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If you do not specify a database with the `--database-name` flag then the CLI will prompt you to choose the database to
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apply the seeds to and as long as there are no conflicts and the SQL executes successfully to input the data then the
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CLI will log:
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```text
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INFO Seeds planted
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```
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Success!
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