1MONGOC_CLIENT_COMMAND_SIMPLE(3)MongoDB C DriverMONGOC_CLIENT_COMMAND_SIMPLE(3)
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6 mongoc_client_command_simple - mongoc_client_command_simple()
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9 bool
10 mongoc_client_command_simple (mongoc_client_t *client,
11 const char *db_name,
12 const bson_t *command,
13 const mongoc_read_prefs_t *read_prefs,
14 bson_t *reply,
15 bson_error_t *error);
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17 This is a simplified interface to mongoc_client_command(). It returns
18 the first document from the result cursor into reply. The client's read
19 preference, read concern, and write concern are not applied to the com‐
20 mand.
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22 WARNING:
23 reply is always set, and should be released with bson_destroy().
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26 · client: A mongoc_client_t.
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28 · db_name: The name of the database to run the command on.
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30 · command: A bson_t containing the command specification.
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32 · read_prefs: An optional mongoc_read_prefs_t. Otherwise, the command
33 uses mode MONGOC_READ_PRIMARY.
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35 · reply: A location for the resulting document.
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37 · error: An optional location for a bson_error_t or NULL.
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40 Errors are propagated via the error parameter.
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43 Returns true if successful. Returns false and sets error if there are
44 invalid arguments or a server or network error.
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46 This function does not check the server response for a write concern
47 error or write concern timeout.
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50 MongoDB, Inc
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53 2017-present, MongoDB, Inc
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581.14.0 Feb 22, 2019 MONGOC_CLIENT_COMMAND_SIMPLE(3)