insert_all() / .upsert_all() work with empty list (#64)

Closes #52
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Simon Willison 2019-11-06 20:32:37 -08:00 committed by GitHub
commit 8dab9fd1cc
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2 changed files with 13 additions and 1 deletions

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@ -977,7 +977,10 @@ class Table(Queryable):
# we need to adjust the batch_size down if we have too many cols
records = iter(records)
# Peek at first record to count its columns:
first_record = next(records)
try:
first_record = next(records)
except StopIteration:
return self # It was an empty list
num_columns = len(first_record.keys())
assert (
num_columns <= SQLITE_MAX_VARS