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//! Migration for toolchain distribution server tables
//!
//! This migration adds tables for:
//! - toolchain: Stores toolchain releases (e.g., "rust 1.75.0")
//! - toolchain_target: Stores target-specific archives for each toolchain
use sea_orm_migration::prelude::*;
use crate::iden::{ToolchainIden, ToolchainTargetIden};
#[derive(DeriveMigrationName)]
pub struct Migration;
#[async_trait::async_trait]
impl MigrationTrait for Migration {
async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
// toolchain table - stores toolchain releases
manager
.create_table(
Table::create()
.table(ToolchainIden::Table)
.if_not_exists()
.col(
ColumnDef::new(ToolchainIden::Id)
.big_integer()
.not_null()
.auto_increment()
.primary_key(),
)
.col(ColumnDef::new(ToolchainIden::Name).text().not_null())
.col(ColumnDef::new(ToolchainIden::Version).text().not_null())
.col(ColumnDef::new(ToolchainIden::Date).text().not_null())
.col(ColumnDef::new(ToolchainIden::Channel).text())
.col(ColumnDef::new(ToolchainIden::Created).text().not_null())
.to_owned(),
)
.await?;
// Unique index on (name, version)
manager
.create_index(
Index::create()
.if_not_exists()
.name("idx_toolchain_name_version")
.table(ToolchainIden::Table)
.col(ToolchainIden::Name)
.col(ToolchainIden::Version)
.unique()
.to_owned(),
)
.await?;
// Index on channel for efficient lookups
manager
.create_index(
Index::create()
.if_not_exists()
.name("idx_toolchain_channel")
.table(ToolchainIden::Table)
.col(ToolchainIden::Channel)
.to_owned(),
)
.await?;
// toolchain_target table - stores target-specific archives
manager
.create_table(
Table::create()
.table(ToolchainTargetIden::Table)
.if_not_exists()
.col(
ColumnDef::new(ToolchainTargetIden::Id)
.big_integer()
.not_null()
.auto_increment()
.primary_key(),
)
.col(
ColumnDef::new(ToolchainTargetIden::ToolchainFk)
.big_integer()
.not_null(),
)
.col(
ColumnDef::new(ToolchainTargetIden::Target)
.text()
.not_null(),
)
.col(
ColumnDef::new(ToolchainTargetIden::StoragePath)
.text()
.not_null(),
)
.col(ColumnDef::new(ToolchainTargetIden::Hash).text().not_null())
.col(
ColumnDef::new(ToolchainTargetIden::Size)
.big_integer()
.not_null(),
)
.foreign_key(
ForeignKey::create()
.name("toolchain_target_toolchain_fk")
.from(ToolchainTargetIden::Table, ToolchainTargetIden::ToolchainFk)
.to(ToolchainIden::Table, ToolchainIden::Id)
.on_update(ForeignKeyAction::NoAction)
.on_delete(ForeignKeyAction::Cascade),
)
.to_owned(),
)
.await?;
// Unique index on (toolchain_fk, target)
manager
.create_index(
Index::create()
.if_not_exists()
.name("idx_toolchain_target_unique")
.table(ToolchainTargetIden::Table)
.col(ToolchainTargetIden::ToolchainFk)
.col(ToolchainTargetIden::Target)
.unique()
.to_owned(),
)
.await?;
Ok(())
}
async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
// Drop tables in reverse order (respecting foreign key constraints)
manager
.drop_table(Table::drop().table(ToolchainTargetIden::Table).to_owned())
.await?;
manager
.drop_table(Table::drop().table(ToolchainIden::Table).to_owned())
.await?;
Ok(())
}
}