foreign_keys_off

services/api/src/config/config_tx.rs

@@ -239,11 +239,19 @@ fn diesel_database_url(log: &Logger, database_path: &str) {
 }
 
 fn run_migrations(database: &mut DbConnection) -> Result<(), ConfigTxError> {
+ // It is not possible to enable or disable foreign key constraints in the middle of a multi-statement transaction
+ // (when SQLite is not in autocommit mode).
+ // Attempting to do so does not return an error; it simply has no effect.
+ // https://www.sqlite.org/foreignkeys.html#fk_enable
+ // Therefore, we must run all migrations with foreign key constraints disabled.
+ // Still use `PRAGMA foreign_keys = OFF` in the migration scripts to disable foreign key constraints when using the CLI.
+ database
+ .batch_execute("PRAGMA foreign_keys = OFF")
+ .map_err(ConfigTxError::Pragma)?;
  database
  .run_pending_migrations(MIGRATIONS)
  .map(|_| ())
  .map_err(ConfigTxError::Migrations)?;
- // https://www.sqlite.org/foreignkeys.html#fk_enable
  database
  .batch_execute("PRAGMA foreign_keys = ON")
  .map_err(ConfigTxError::Pragma)?;