mongoc_update_flags_t — MongoDB C Driver 1.9.2

- MongoDB C Driver 1.9.2 »
- API Reference

# mongoc_update_flags_t

Flags for update operations

## Synopsis

    typedef enum {
       MONGOC_UPDATE_NONE = 0,
       MONGOC_UPDATE_UPSERT = 1 << 0,
       MONGOC_UPDATE_MULTI_UPDATE = 1 << 1,
    } mongoc_update_flags_t;

    #define MONGOC_UPDATE_NO_VALIDATE (1U << 31)

## Description

These flags correspond to the MongoDB wire protocol. They may be bitwise or’d together. The allow for modifying the way an update is performed in the MongoDB server.

## Flag Values

MONGOC_UPDATE_NONE | No update flags set.
MONGOC_UPDATE_UPSERT | If an upsert should be performed.
MONGOC_UPDATE_MULTI_UPDATE | If more than a single matching document should be updated. By default only the first document is updated.
MONGOC_UPDATE_NO_VALIDATE | Do not perform client side BSON validations when performing an update. This is useful if you already know your BSON documents are valid.

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