---
name: "mongoc_update_flags_t"
section: "3"
platform: "linux"
package: "libmongoc-doc"
version: "1.30.4-1+deb13u3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/mongoc_update_flags_t"
---

# mongoc\_update\_flags\_t(3)

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. |

## AUTHOR

MongoDB, Inc

## COPYRIGHT

2009-present, MongoDB, Inc.