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Conditionally bulk_insert Messages #205

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Conditionally bulk_insert Messages #205

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17 changes: 13 additions & 4 deletions django_ai_assistant/helpers/django_messages.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
from typing import TYPE_CHECKING

from django.db import transaction
from django.db import connections, transaction

from langchain_core.messages import (
BaseMessage,
Expand Down Expand Up @@ -35,9 +35,18 @@ def save_django_messages(messages: list[BaseMessage], thread: "Thread") -> list[

messages_to_create = [m for m in messages if m.id not in existing_message_ids]

created_messages = DjangoMessage.objects.bulk_create(
[DjangoMessage(thread=thread, message={}) for _ in messages_to_create]
)
# Insert in bulk only if primary keys are then assigned by the DB.
if connections[
DjangoMessage.objects.db
].features.can_return_rows_from_bulk_insert:
created_messages = DjangoMessage.objects.bulk_create(
[DjangoMessage(thread=thread, message={}) for _ in messages_to_create],
)
else:
for message in (created_messages := [
DjangoMessage(thread=thread, message={}) for _ in messages_to_create
]):
message.save()

# Update langchain message IDs with Django message IDs
for idx, created_message in enumerate(created_messages):
Expand Down
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