bitrouter 1.0.0-alpha.34

BitRouter: an LLM API router. CLI + assembly library.
Documentation 
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//! Stable monotonic discovery positions, committed with each execution root.
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(BroExecutionIndex::Table)
                    .col(
                        ColumnDef::new(BroExecutionIndex::Position)
                            .big_integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(
                        ColumnDef::new(BroExecutionIndex::ExecutionId)
                            .string_len(128)
                            .not_null()
                            .unique_key(),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .from(BroExecutionIndex::Table, BroExecutionIndex::ExecutionId)
                            .to(BroExecutions::Table, BroExecutions::Id)
                            .on_delete(ForeignKeyAction::Restrict),
                    )
                    .to_owned(),
            )
            .await?;
        // Backfill in the database, without collecting an unbounded root list.
        let select = Query::select()
            .column(BroExecutions::Id)
            .from(BroExecutions::Table)
            .order_by(BroExecutions::Id, Order::Asc)
            .to_owned();
        let mut insert = Query::insert();
        insert
            .into_table(BroExecutionIndex::Table)
            .columns([BroExecutionIndex::ExecutionId]);
        insert
            .select_from(select)
            .map_err(|error| DbErr::Custom(error.to_string()))?;
        manager.exec_stmt(insert.to_owned()).await
    }
    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        manager
            .drop_table(Table::drop().table(BroExecutionIndex::Table).to_owned())
            .await
    }
}
#[derive(DeriveIden)]
enum BroExecutionIndex {
    Table,
    Position,
    ExecutionId,
}
#[derive(DeriveIden)]
enum BroExecutions {
    Table,
    Id,
}