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mongoc_collection_get_last_error(3)

MONGOC_COLLECTION_GET_LAST_ERROR(3) libmongoc MONGOC_COLLECTION_GET_LAST_ERROR(3)

Warning:

Deprecated since version 1.9.0: To get write results from write operations, instead use:
  • mongoc_collection_update_one() <>
  • mongoc_collection_update_many() <>
  • mongoc_collection_replace_one() <>
  • mongoc_collection_delete_one() <>
  • mongoc_collection_delete_many() <>
  • mongoc_collection_insert_one() <>
  • mongoc_collection_insert_many() <>
  • mongoc_bulkwrite_t <>
  • mongoc_bulk_operation_t <>



SYNOPSIS

const bson_t *
mongoc_collection_get_last_error (const mongoc_collection_t *collection);


PARAMETERS

•
collection: A mongoc_collection_t <>.

DESCRIPTION

mongoc_collection_get_last_error() <> returns write results from some operations:

  • mongoc_collection_update() <>
  • mongoc_collection_remove() <>
  • mongoc_collection_delete() <>
  • mongoc_collection_insert_bulk() <>
  • mongoc_collection_insert() <>

RETURNS

A bson_t <https://www.mongoc.org/libbson/current/bson_t.html> that should not be modified or NULL. The returned bson_t <https://www.mongoc.org/libbson/current/bson_t.html> is may be invalidated by the next operation on collection.

Author

MongoDB, Inc

Copyright

2009-present, MongoDB, Inc.

February 10, 2026 1.30.7