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This guide shows how to dump schemas and table data from a Shared Postgres database, and restore a dump. If you encounter issues, feel free to contact us for help.

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Prerequisites

To run the data upload against the database, you need a Postgres Client. In this guide, we will use psql. On Debian/Ubuntu, you can install it with:
Shuttle Postgres databases run Postgres version 16, so psql versions older than 16 might not work.

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Dump database to SQL file

Since the Shared Postgres cluster has strict permissions, running pg_dump against your connection string is not possible. Instead, you can use the resource dump command that runs pg_dump with --no-owner --no-privileges for you.
Dumping the database data extracts a copy of all data, and the database is left unmodified.
The command writes a dump in SQL format to stdout, so you can use it to write to a file like so:
If you get errors about request limits or timeouts, reach out to us for support.
You can inspect the file and edit it to your liking. If you already let your schema migrations run in the new db, you could for instance remove the CREATE TABLE, ALTER TABLE etc, and only keep the table data COPY statements and so on.

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Restore data from a SQL file

Use the following command to get the connection string for the new database:
Use psql to run the dump file against it:
You might see various errors about tables, rows, or constraints already existing in the new database. In most cases this is fine, but you can verify that everything looks good by connecting to the database, and testing the app.