mongoc_collection_save() — MongoDB C Driver 1.9.2

- MongoDB C Driver 1.9.2 »
- API Reference »
- mongoc_collection_t

# mongoc_collection_save()

## Deprecated

This function is deprecated and should not be used in new code.

Please use mongoc_collection_insert_one() or mongoc_collection_replace_one() with “upsert” instead.

## Synopsis

    bool
    mongoc_collection_save (mongoc_collection_t *collection,
                            const bson_t *document,
                            const mongoc_write_concern_t *write_concern,
                            bson_error_t *error)
       BSON_GNUC_DEPRECATED_FOR (mongoc_collection_insert_one or
                                 mongoc_collection_replace_one);

## Parameters

- `collection`: A mongoc_collection_t.
- `document`: A `bson_t` containing the document.
- `write_concern`: A mongoc_write_concern_t or `NULL` for default write concern.
- `error`: An optional location for a bson_error_t or `NULL`.

## Description

This function shall save a document into `collection`. If the document has an `_id` field it will be updated. Otherwise it will be inserted.

## Errors

Errors are propagated via the `error` parameter.

## Returns

Returns `true` if successful. Returns `false` and sets `error` if there are invalid arguments or a server or network error.

A write concern timeout or write concern error is considered a failure.

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