Files
order-bak/src/order_bak/delete.py
2026-04-21 16:02:06 +08:00

40 lines
1.1 KiB
Python

import csv
import time
from collections import defaultdict
from itertools import islice
from pathlib import Path
def _chunked(iterable, size):
it = iter(iterable)
while chunk := list(islice(it, size)):
yield chunk
def delete_orders(
table_client,
csv_path: Path,
batch_size: int,
delay_ms: int,
) -> int:
by_partition: dict[str, list[dict]] = defaultdict(list)
with open(csv_path, newline="") as f:
reader = csv.DictReader(f)
for row in reader:
pk = row["PartitionKey"]
rk = row["RowKey"]
by_partition[pk].append({"PartitionKey": pk, "RowKey": rk})
total_deleted = 0
for pk, entities in by_partition.items():
for batch in _chunked(entities, batch_size):
operations = [("delete", e) for e in batch]
table_client.submit_transaction(operations)
total_deleted += len(batch)
if delay_ms > 0:
time.sleep(delay_ms / 1000.0)
print(f"Deleted {total_deleted} orders across {len(by_partition)} partitions")
return total_deleted