1MONGOC_FIND_AND_MODIFY_OPTS_SET_UPDAlTiEbM(mO3oN)nGgOoCc_FIND_AND_MODIFY_OPTS_SET_UPDATE(3)
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SYNOPSIS

6          bool
7          mongoc_find_and_modify_opts_set_update (mongoc_find_and_modify_opts_t *opts,
8                                                  const bson_t *update);
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PARAMETERS

11       • opts: A mongoc_find_and_modify_opts_t.
12
13       • update: The update document is the same format as the update document
14         passed to mongoc_collection_update().
15

DESCRIPTION

17       Adds update argument to the builder.
18
19       update does not have to remain valid after calling this function.
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RETURNS

22       Returns true if it successfully added the option to the builder, other‐
23       wise false.
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SETTING UPDATE

26       update.c
27
28          void
29          fam_update (mongoc_collection_t *collection)
30          {
31             mongoc_find_and_modify_opts_t *opts;
32             bson_t *update;
33             bson_t reply;
34             bson_error_t error;
35             bson_t query = BSON_INITIALIZER;
36             bool success;
37
38
39             /* Find Zlatan Ibrahimovic */
40             BSON_APPEND_UTF8 (&query, "firstname", "Zlatan");
41             BSON_APPEND_UTF8 (&query, "lastname", "Ibrahimovic");
42
43             /* Make him a book author */
44             update = BCON_NEW ("$set", "{", "author", BCON_BOOL (true), "}");
45
46             opts = mongoc_find_and_modify_opts_new ();
47             /* Note that the document returned is the _previous_ version of the document
48              * To fetch the modified new version, use
49              * mongoc_find_and_modify_opts_set_flags (opts,
50              * MONGOC_FIND_AND_MODIFY_RETURN_NEW);
51              */
52             mongoc_find_and_modify_opts_set_update (opts, update);
53
54             success = mongoc_collection_find_and_modify_with_opts (
55                collection, &query, opts, &reply, &error);
56
57             if (success) {
58                char *str;
59
60                str = bson_as_canonical_extended_json (&reply, NULL);
61                printf ("%s\n", str);
62                bson_free (str);
63             } else {
64                fprintf (
65                   stderr, "Got error: \"%s\" on line %d\n", error.message, __LINE__);
66             }
67
68             bson_destroy (&reply);
69             bson_destroy (update);
70             bson_destroy (&query);
71             mongoc_find_and_modify_opts_destroy (opts);
72          }
73
74
75       Outputs:
76
77          {
78             "lastErrorObject" : {"updatedExisting" : true, "n" : 1},
79                                 "value" : {
80                                    "_id" : {"$oid" : "56562a99d13e6d86239c7b00"},
81                                    "age" : 35,
82                                    "firstname" : "Zlatan",
83                                    "goals" : 342,
84                                    "lastname" : "Ibrahimovic",
85                                    "profession" : "Football player",
86                                    "position" : "striker"
87                                 },
88                                           "ok" : 1
89          }
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AUTHOR

92       MongoDB, Inc
93

95       2017-present, MongoDB, Inc
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1001.25.1                           Nov 0M8O,NG2O0C2_3FIND_AND_MODIFY_OPTS_SET_UPDATE(3)
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