1MONGOC_FIND_AND_MODIFY_OPTS_APPEND(3l)ibmongMoOcNGOC_FIND_AND_MODIFY_OPTS_APPEND(3)
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NAME

6       mongoc_find_and_modify_opts_append        -        mongoc_find_and_mod‐
7       ify_opts_append()
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SYNOPSIS

10          bool
11          mongoc_find_and_modify_opts_append (mongoc_find_and_modify_opts_t *opts,
12                                              const bson_t *extra);
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PARAMETERS

15       · opts: A mongoc_find_and_modify_opts_t.
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17       · extra: A bson_t with fields and values to append directly to the fin‐
18         dAndModify command sent to the server.
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DESCRIPTION

21       Adds arbitrary options to a findAndModify command.
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23       extra does not have to remain valid after calling this function.
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RETURNS

26       Returns  true  on  success. If any arguments are invalid, returns false
27       and logs an error.
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APPENDING OPTIONS TO FINDANDMODIFY

30       opts.c.INDENT 0.0
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32          void
33          fam_opts (mongoc_collection_t *collection)
34          {
35             mongoc_find_and_modify_opts_t *opts;
36             bson_t reply;
37             bson_t *update;
38             bson_error_t error;
39             bson_t query = BSON_INITIALIZER;
40             mongoc_write_concern_t *wc;
41             bson_t extra = BSON_INITIALIZER;
42             bool success;
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45             /* Find Zlatan Ibrahimovic, the striker */
46             BSON_APPEND_UTF8 (&query, "firstname", "Zlatan");
47             BSON_APPEND_UTF8 (&query, "lastname", "Ibrahimovic");
48             BSON_APPEND_UTF8 (&query, "profession", "Football player");
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50             /* Bump his age */
51             update = BCON_NEW ("$inc", "{", "age", BCON_INT32 (1), "}");
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53             opts = mongoc_find_and_modify_opts_new ();
54             mongoc_find_and_modify_opts_set_update (opts, update);
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56             /* Abort if the operation takes too long. */
57             mongoc_find_and_modify_opts_set_max_time_ms (opts, 100);
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59             /* Set write concern w: 2 */
60             wc = mongoc_write_concern_new ();
61             mongoc_write_concern_set_w (wc, 2);
62             mongoc_write_concern_append (wc, &extra);
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64             /* Some future findAndModify option the driver doesn't support conveniently
65              */
66             BSON_APPEND_INT32 (&extra, "futureOption", 42);
67             mongoc_find_and_modify_opts_append (opts, &extra);
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69             success = mongoc_collection_find_and_modify_with_opts (
70                collection, &query, opts, &reply, &error);
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72             if (success) {
73                char *str;
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75                str = bson_as_canonical_extended_json (&reply, NULL);
76                printf ("%s\n", str);
77                bson_free (str);
78             } else {
79                fprintf (
80                   stderr, "Got error: \"%s\" on line %d\n", error.message, __LINE__);
81             }
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83             bson_destroy (&reply);
84             bson_destroy (&extra);
85             bson_destroy (update);
86             bson_destroy (&query);
87             mongoc_write_concern_destroy (wc);
88             mongoc_find_and_modify_opts_destroy (opts);
89          }
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AUTHOR

93       MongoDB, Inc
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96       2017-present, MongoDB, Inc
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1011.16.2                           Feb 25, 2M0O2N0GOC_FIND_AND_MODIFY_OPTS_APPEND(3)
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