mongoc_cursor_set_batch_size - Man Page

void
mongoc_cursor_set_batch_size (mongoc_cursor_t *cursor, uint32_t batch_size);

• cursor: A mongoc_cursor_t <>.
• batch_size: The requested number of documents per batch.

Limits the number of documents returned in one batch. Each batch requires a round trip to the server. If the batch size is zero, the cursor uses the server-defined maximum batch size.

See Cursor Batches <https://www.mongodb.com/docs/manual/core/cursors/#cursor-batches> in the MongoDB Manual.

This is not applicable to all cursors. Calling mongoc_cursor_set_batch_size() <> on a cursor returned by mongoc_client_find_databases_with_opts() <>, mongoc_database_find_collections_with_opts() <>, or mongoc_collection_find_indexes_with_opts() <> will not change the results.

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