bitrouter 1.0.0-alpha.26

//! Create the adequacy ledger's `adequacy_pins` table — one row per fingerprint
//! the online learner has escalated (pinned) away from a failing downgrade.

use sea_orm_migration::prelude::*;

#[derive(DeriveMigrationName)]
pub struct Migration;

#[async_trait::async_trait]
impl MigrationTrait for Migration {
    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        manager
            .create_table(
                Table::create()
                    .table(AdequacyPins::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(AdequacyPins::Fingerprint)
                            .string()
                            .not_null()
                            .primary_key(),
                    )
                    .col(
                        ColumnDef::new(AdequacyPins::PinnedAtUnix)
                            .big_integer()
                            .not_null(),
                    )
                    .col(ColumnDef::new(AdequacyPins::CreatedAt).string().not_null())
                    .to_owned(),
            )
            .await?;
        Ok(())
    }

    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        manager
            .drop_table(Table::drop().table(AdequacyPins::Table).to_owned())
            .await?;
        Ok(())
    }
}

#[derive(DeriveIden)]
enum AdequacyPins {
    Table,
    Fingerprint,
    PinnedAtUnix,
    CreatedAt,
}