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//! Migration: create metadata-only request_ledger table.
//!
//! Retention is enforced on the write path using
//! `storage.request_ledger.retention_days`, throttled so expired rows are not
//! deleted on every request.
//! Indexes are bounded to time-range, request id, model, provider, and terminal
//! status filters used by the later admin query API.
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(RequestLedger::Table)
.if_not_exists()
.col(
ColumnDef::new(RequestLedger::RequestId)
.string()
.not_null()
.primary_key(),
)
.col(
ColumnDef::new(RequestLedger::StartedAt)
.timestamp_with_time_zone()
.not_null(),
)
.col(
ColumnDef::new(RequestLedger::FinishedAt)
.timestamp_with_time_zone()
.not_null(),
)
.col(ColumnDef::new(RequestLedger::Method).string().not_null())
.col(ColumnDef::new(RequestLedger::Endpoint).string().not_null())
.col(ColumnDef::new(RequestLedger::Model).string().null())
.col(ColumnDef::new(RequestLedger::Provider).string().null())
.col(ColumnDef::new(RequestLedger::Deployment).string().null())
.col(
ColumnDef::new(RequestLedger::StatusCode)
.integer()
.not_null(),
)
.col(
ColumnDef::new(RequestLedger::TerminalStatus)
.string()
.not_null(),
)
.col(
ColumnDef::new(RequestLedger::LatencyMs)
.big_integer()
.not_null(),
)
.col(
ColumnDef::new(RequestLedger::PromptTokens)
.big_integer()
.null(),
)
.col(
ColumnDef::new(RequestLedger::CompletionTokens)
.big_integer()
.null(),
)
.col(
ColumnDef::new(RequestLedger::TotalTokens)
.big_integer()
.null(),
)
.col(ColumnDef::new(RequestLedger::Cost).double().null())
.col(ColumnDef::new(RequestLedger::UserId).string().null())
.col(ColumnDef::new(RequestLedger::ApiKeyId).string().null())
.col(ColumnDef::new(RequestLedger::TeamId).string().null())
.to_owned(),
)
.await?;
manager
.create_index(
Index::create()
.name("idx_request_ledger_finished_at")
.table(RequestLedger::Table)
.col(RequestLedger::FinishedAt)
.if_not_exists()
.to_owned(),
)
.await?;
manager
.create_index(
Index::create()
.name("idx_request_ledger_model_finished_at")
.table(RequestLedger::Table)
.col(RequestLedger::Model)
.col(RequestLedger::FinishedAt)
.if_not_exists()
.to_owned(),
)
.await?;
manager
.create_index(
Index::create()
.name("idx_request_ledger_provider_finished_at")
.table(RequestLedger::Table)
.col(RequestLedger::Provider)
.col(RequestLedger::FinishedAt)
.if_not_exists()
.to_owned(),
)
.await?;
manager
.create_index(
Index::create()
.name("idx_request_ledger_status_finished_at")
.table(RequestLedger::Table)
.col(RequestLedger::TerminalStatus)
.col(RequestLedger::FinishedAt)
.if_not_exists()
.to_owned(),
)
.await?;
Ok(())
}
async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
manager
.drop_table(Table::drop().table(RequestLedger::Table).to_owned())
.await?;
Ok(())
}
}
#[derive(DeriveIden)]
enum RequestLedger {
Table,
RequestId,
StartedAt,
FinishedAt,
Method,
Endpoint,
Model,
Provider,
Deployment,
StatusCode,
TerminalStatus,
LatencyMs,
PromptTokens,
CompletionTokens,
TotalTokens,
Cost,
UserId,
ApiKeyId,
TeamId,
}