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Use bulk operations in mongo update method #211

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Jul 16, 2016
Merged

Use bulk operations in mongo update method #211

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16 changes: 13 additions & 3 deletions chatterbot/adapters/storage/mongodb.py
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Original file line number Diff line number Diff line change
Expand Up @@ -121,21 +121,31 @@ def filter(self, **kwargs):
return results

def update(self, statement):
from pymongo import UpdateOne, ReplaceOne

# Do not alter the database unless writing is enabled
if not self.read_only:
data = statement.serialize()

# Remove the text key from the data
self.statements.replace_one({'text': statement.text}, data, True)
operations = []

update_operation = ReplaceOne(
{'text': statement.text}, data, True
)
operations.append(update_operation)

# Make sure that an entry for each response is saved
for response in statement.in_response_to:

# $setOnInsert does nothing if the document is not created
self.statements.update_one(
update_operation = UpdateOne(
{'text': response.text},
{'$setOnInsert': {'in_response_to': []}},
upsert=True
)
operations.append(update_operation)

self.statements.bulk_write(operations, ordered=False)

return statement

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