1MONGOC_FIND_AND_MODIFY_OPTS_SET_UPDAlTiEbM(mO3oN)nGgOoCc_FIND_AND_MODIFY_OPTS_SET_UPDATE(3)
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NAME

6       mongoc_find_and_modify_opts_set_update      -      mongoc_find_and_mod‐
7       ify_opts_set_update()
8

SYNOPSIS

10          bool
11          mongoc_find_and_modify_opts_set_update (mongoc_find_and_modify_opts_t *opts,
12                                                  const bson_t *update);
13

PARAMETERS

15       · opts: A mongoc_find_and_modify_opts_t.
16
17       · update: The update document is the same format as the update document
18         passed to mongoc_collection_update.
19

DESCRIPTION

21       Adds update argument to the builder.
22
23       update does not have to remain valid after calling this function.
24

RETURNS

26       Returns true if it successfully added the option to the builder, other‐
27       wise false.
28

SETTING UPDATE

30       update.c.INDENT 0.0
31
32          void
33          fam_update (mongoc_collection_t *collection)
34          {
35             mongoc_find_and_modify_opts_t *opts;
36             bson_t *update;
37             bson_t reply;
38             bson_error_t error;
39             bson_t query = BSON_INITIALIZER;
40             bool success;
41
42
43             /* Find Zlatan Ibrahimovic */
44             BSON_APPEND_UTF8 (&query, "firstname", "Zlatan");
45             BSON_APPEND_UTF8 (&query, "lastname", "Ibrahimovic");
46
47             /* Make him a book author */
48             update = BCON_NEW ("$set", "{", "author", BCON_BOOL (true), "}");
49
50             opts = mongoc_find_and_modify_opts_new ();
51             /* Note that the document returned is the _previous_ version of the document
52              * To fetch the modified new version, use
53              * mongoc_find_and_modify_opts_set_flags (opts,
54              * MONGOC_FIND_AND_MODIFY_RETURN_NEW);
55              */
56             mongoc_find_and_modify_opts_set_update (opts, update);
57
58             success = mongoc_collection_find_and_modify_with_opts (
59                collection, &query, opts, &reply, &error);
60
61             if (success) {
62                char *str;
63
64                str = bson_as_canonical_extended_json (&reply, NULL);
65                printf ("%s\n", str);
66                bson_free (str);
67             } else {
68                fprintf (
69                   stderr, "Got error: \"%s\" on line %d\n", error.message, __LINE__);
70             }
71
72             bson_destroy (&reply);
73             bson_destroy (update);
74             bson_destroy (&query);
75             mongoc_find_and_modify_opts_destroy (opts);
76          }
77
78
79Outputs:
80
81          {
82             "lastErrorObject" : {"updatedExisting" : true, "n" : 1},
83                                 "value" : {
84                                    "_id" : {"$oid" : "56562a99d13e6d86239c7b00"},
85                                    "age" : 35,
86                                    "firstname" : "Zlatan",
87                                    "goals" : 342,
88                                    "lastname" : "Ibrahimovic",
89                                    "profession" : "Football player",
90                                    "position" : "striker"
91                                 },
92                                           "ok" : 1
93          }
94

AUTHOR

96       MongoDB, Inc
97

99       2017-present, MongoDB, Inc
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1041.16.2                           Feb 2M5O,NG2O0C2_0FIND_AND_MODIFY_OPTS_SET_UPDATE(3)
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