修复统计数据 API 中的数据库查询方法,优化性能和准确性

This commit is contained in:
DrSmoothl
2026-03-07 21:18:36 +08:00
parent fe5cab9c41
commit 4565bd94b4

View File

@@ -134,7 +134,7 @@ async def _get_summary_statistics(start_time: datetime, end_time: datetime) -> S
func.sum(col(ModelUsage.total_tokens)).label("total_tokens"),
func.avg(col(ModelUsage.time_cost)).label("avg_response_time"),
).where(col(ModelUsage.timestamp) >= start_time, col(ModelUsage.timestamp) <= end_time)
result = session.execute(statement).first()
result = session.exec(statement).first()
if result:
total_requests, total_cost, total_tokens, avg_response_time = result
@@ -151,13 +151,13 @@ async def _get_summary_statistics(start_time: datetime, end_time: datetime) -> S
col(OnlineTime.end_timestamp) >= start_time,
)
)
online_records = session.execute(statement).scalars().all()
online_records = session.exec(statement).all()
for record in online_records:
start = max(record.start_timestamp, start_time)
end = min(record.end_timestamp, end_time)
if end > start:
summary.online_time += (end - start).total_seconds()
for record in online_records:
start = max(record.start_timestamp, start_time)
end = min(record.end_timestamp, end_time)
if end > start:
summary.online_time += (end - start).total_seconds()
# 查询消息数量 - 使用聚合优化
with get_db_session() as session:
@@ -165,7 +165,7 @@ async def _get_summary_statistics(start_time: datetime, end_time: datetime) -> S
col(Messages.timestamp) >= start_time,
col(Messages.timestamp) <= end_time,
)
total_messages = session.execute(statement).scalar()
total_messages = session.exec(statement).one()
summary.total_messages = int(total_messages or 0)
# 统计回复数量
@@ -175,7 +175,7 @@ async def _get_summary_statistics(start_time: datetime, end_time: datetime) -> S
col(Messages.timestamp) <= end_time,
col(Messages.reply_to).is_not(None),
)
total_replies = session.execute(statement).scalar()
total_replies = session.exec(statement).one()
summary.total_replies = int(total_replies or 0)
# 计算派生指标
@@ -198,26 +198,26 @@ async def _get_model_statistics(start_time: datetime) -> list[ModelStatistics]:
)
with get_db_session() as session:
rows = session.execute(statement).all()
rows = session.exec(statement).all()
aggregates: dict[str, dict[str, float | int]] = {}
for record in rows:
model_name = record.model_assign_name or record.model_name or "unknown"
if model_name not in aggregates:
aggregates[model_name] = {
"request_count": 0,
"total_cost": 0.0,
"total_tokens": 0,
"total_time_cost": 0.0,
"time_cost_count": 0,
}
bucket = aggregates[model_name]
bucket["request_count"] = int(bucket["request_count"]) + 1
bucket["total_cost"] = float(bucket["total_cost"]) + float(record.cost or 0.0)
bucket["total_tokens"] = int(bucket["total_tokens"]) + int(record.total_tokens or 0)
if record.time_cost:
bucket["total_time_cost"] = float(bucket["total_time_cost"]) + float(record.time_cost)
bucket["time_cost_count"] = int(bucket["time_cost_count"]) + 1
aggregates: dict[str, dict[str, float | int]] = {}
for record in rows:
model_name = record.model_assign_name or record.model_name or "unknown"
if model_name not in aggregates:
aggregates[model_name] = {
"request_count": 0,
"total_cost": 0.0,
"total_tokens": 0,
"total_time_cost": 0.0,
"time_cost_count": 0,
}
bucket = aggregates[model_name]
bucket["request_count"] = int(bucket["request_count"]) + 1
bucket["total_cost"] = float(bucket["total_cost"]) + float(record.cost or 0.0)
bucket["total_tokens"] = int(bucket["total_tokens"]) + int(record.total_tokens or 0)
if record.time_cost:
bucket["total_time_cost"] = float(bucket["total_time_cost"]) + float(record.time_cost)
bucket["time_cost_count"] = int(bucket["time_cost_count"]) + 1
result: list[ModelStatistics] = []
for model_name, bucket in sorted(
@@ -257,7 +257,7 @@ async def _get_hourly_statistics(start_time: datetime, end_time: datetime) -> li
)
with get_db_session() as session:
rows = session.execute(statement).all()
rows = session.exec(statement).all()
# 转换为字典以快速查找
data_dict = {row[0]: row for row in rows}
@@ -300,7 +300,7 @@ async def _get_daily_statistics(start_time: datetime, end_time: datetime) -> lis
)
with get_db_session() as session:
rows = session.execute(statement).all()
rows = session.exec(statement).all()
# 转换为字典
data_dict = {row[0]: row for row in rows}
@@ -331,21 +331,21 @@ async def _get_recent_activity(limit: int = 10) -> list[dict[str, Any]]:
"""获取最近活动"""
with get_db_session() as session:
statement = select(ModelUsage).order_by(desc(col(ModelUsage.timestamp))).limit(limit)
records = session.execute(statement).scalars().all()
records = session.exec(statement).all()
activities = []
for record in records:
activities.append(
{
"timestamp": record.timestamp.isoformat(),
"model": record.model_assign_name or record.model_name,
"request_type": record.request_type,
"tokens": record.total_tokens or 0,
"cost": record.cost or 0.0,
"time_cost": record.time_cost or 0.0,
"status": None,
}
)
activities = []
for record in records:
activities.append(
{
"timestamp": record.timestamp.isoformat(),
"model": record.model_assign_name or record.model_name,
"request_type": record.request_type,
"tokens": record.total_tokens or 0,
"cost": record.cost or 0.0,
"time_cost": record.time_cost or 0.0,
"status": None,
}
)
return activities