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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(FilesystemNodes::Table)
.if_not_exists()
.col(
ColumnDef::new(FilesystemNodes::Id)
.big_integer()
.not_null()
.auto_increment()
.primary_key(),
)
.col(ColumnDef::new(FilesystemNodes::CreatedAt).timestamp_with_time_zone())
.col(ColumnDef::new(FilesystemNodes::UpdatedAt).timestamp_with_time_zone())
.col(ColumnDef::new(FilesystemNodes::DeletedAt).timestamp_with_time_zone())
.col(ColumnDef::new(FilesystemNodes::Name).text().not_null())
.col(
ColumnDef::new(FilesystemNodes::IsDirectory)
.boolean()
.not_null(),
)
.col(ColumnDef::new(FilesystemNodes::FilePath).text())
.col(ColumnDef::new(FilesystemNodes::ParentId).big_integer())
.foreign_key(
ForeignKey::create()
.name("fk_filesystem_nodes_parent_id")
.from(FilesystemNodes::Table, FilesystemNodes::ParentId)
.to(FilesystemNodes::Table, FilesystemNodes::Id)
.on_delete(ForeignKeyAction::Cascade),
)
.to_owned(),
)
.await?;
manager
.create_index(
Index::create()
.if_not_exists()
.name("idx_filesystem_nodes_deleted_at")
.table(FilesystemNodes::Table)
.col(FilesystemNodes::DeletedAt)
.to_owned(),
)
.await?;
manager
.create_index(
Index::create()
.if_not_exists()
.name("idx_filesystem_nodes_parent_id")
.table(FilesystemNodes::Table)
.col(FilesystemNodes::ParentId)
.to_owned(),
)
.await?;
// Application-level uniqueness (see `node::create`) enforces the equivalent of
// Go's partial unique index on `(COALESCE(parent_id, 0), name, is_directory)
// WHERE deleted_at IS NULL` — SeaORM's schema builder cannot express partial
// indexes portably across SQLite/Postgres, and a full unique index would
// incorrectly block re-using a name after soft-delete.
manager
.create_index(
Index::create()
.if_not_exists()
.name("idx_filesystem_nodes_parent_name_dir")
.table(FilesystemNodes::Table)
.col(FilesystemNodes::ParentId)
.col(FilesystemNodes::Name)
.col(FilesystemNodes::IsDirectory)
.to_owned(),
)
.await?;
Ok(())
}
async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
manager
.drop_table(Table::drop().table(FilesystemNodes::Table).to_owned())
.await?;
Ok(())
}
}
#[derive(Iden)]
enum FilesystemNodes {
Table,
Id,
CreatedAt,
UpdatedAt,
DeletedAt,
Name,
IsDirectory,
FilePath,
ParentId,
}