feat:增加批量插入和查询日志告警功能

utils/time.py

@@ -0,0 +1,25 @@
+from datetime import datetime
+from typing import Tuple
+
+
+def get_timestamp_range(ts: int, delta_seconds: int = 5, unit: str = "microseconds") -> Tuple[int, int]:
+    """
+    返回时间戳前后delta_seconds秒的范围（单位与输入一致）
+    """
+    if ts <= 0:
+        return 0, 0
+
+    scale = {
+        "seconds": 1,
+        "milliseconds": 1000,
+        "microseconds": 1_000_000,
+        "nanoseconds": 1_000_000_000
+
+    }.get(unit, 1_000_000)  # 默认微秒
+
+    delta = delta_seconds * scale
+    return ts - delta, ts + delta
+
+
+def format_timestamp(timestamp: int) -> str:
+    return datetime.fromtimestamp(timestamp / 1_000_000).strftime("%Y-%m-%d %H:%M:%S")