SysTutorials Posts

mongoc_find_and_modify_opts_set_fields() – Adds fields argument to the builder. Synopsis bool mongoc_find_and_modify_opts_set_fields (mongoc_find_and_modify_opts_t *opts, const bson_t *fields); NOTE New in mongoc 1.3.0 Parameters opts A mongoc_find_and_modify_opts_t \&. fields A subset of fields to return. Choose which fields to include by appending {fieldname: 1} for each fieldname, or excluding it with {fieldname: 0} \&. Description Adds fields…

mongoc_find_and_modify_opts_set_bypass_document_validation() – Adds bypassDocumentValidation argument to the builder. Synopsis bool mongoc_find_and_modify_opts_set_bypass_document_validation (mongoc_find_and_modify_opts_t *opts, bool bypass); NOTE New in MongoDB 3.2 and mongoc 1.3.0 NOTE This option is only available when talking to MongoDB 3.2 and later. Parameters opts A mongoc_find_and_modify_opts_t \&. bypass If the schema validation rules should be ignored. Description Adds bypassDocumentValidation argument to…

mongoc_find_and_modify_opts_new() – None Synopsis mongoc_find_and_modify_opts_t * mongoc_find_and_modify_opts_new (void); NOTE New in mongoc 1.3.0 Returns Creates a newly allocated find and modify builder structure that is used to create a findAndModify command. This should be freed with mongoc_find_and_modify_opts_destroy(3) when no longer in use. Colophon This page is part of MongoDB C Driver. Please report any bugs…

mongoc_find_and_modify_opts_destroy() – Frees all resources associated with the find and modify builder structure. Synopsis void mongoc_find_and_modify_opts_destroy (mongoc_find_and_modify_opts_t *find_and_modify_opts); NOTE New in mongoc 1.3.0 Parameters find_and_modify_opts A mongoc_find_and_modify_opts_t \&. Description Frees all resources associated with the find and modify builder structure. Colophon This page is part of MongoDB C Driver. Please report any bugs at https://jira.mongodb.org/browse/CDRIVER.

mongoc_delete_flags_t – Flags for deletion operations Synopsis typedef enum { MONGOC_DELETE_NONE = 0, MONGOC_DELETE_SINGLE_REMOVE = 1 << 0, } mongoc_delete_flags_t; Deprecated NOTE These flags are deprecated and should not be used in new code. Please use mongoc_remove_flags_t with mongoc_collection_remove(3) instead. Colophon This page is part of MongoDB C Driver. Please report any bugs at https://jira.mongodb.org/browse/CDRIVER.

mongoc_database_t – MongoDB Database Abstraction Synopsis typedef struct _mongoc_database_t mongoc_database_t; mongoc_database_t provides access to a MongoDB database. This handle is useful for actions a particular database object. It is not a container for mongoc_collection_t structures. Read preferences and write concerns are inherited from the parent client. They can be overridden with mongoc_database_set_read_prefs(3) and mongoc_database_set_write_concern(3) \&….

mongoc_database_set_write_concern() – None Synopsis void mongoc_database_set_write_concern (mongoc_database_t *database, const mongoc_write_concern_t *write_concern); This function sets the write concern to use on operations performed with database \&. Collections created with mongoc_database_get_collection(3) after this call will inherit this write concern. The default write concern is MONGOC_WRITE_CONCERN_W_DEFAULT: the driver blocks awaiting basic acknowledgment of write operations from MongoDB. This…

mongoc_database_set_read_prefs() – None Synopsis void mongoc_database_set_read_prefs (mongoc_database_t *database, const mongoc_read_prefs_t *read_prefs); This function sets the default read preferences to use on operations performed with database \&. Collections created with mongoc_database_get_collection(3) after this call will inherit these read preferences. The global default is MONGOC_READ_PRIMARY: if the client is connected to a replica set it reads from…

mongoc_database_set_read_concern() – None Synopsis void mongoc_database_set_read_concern (mongoc_database_t *database, const mongoc_read_concern_t *read_concern); This function sets the read concern to use on operations performed with database \&. Collections created with mongoc_database_get_collection(3) after this call will inherit this read concern. The default read concern is empty: No readConcern is sent to the server unless explicitly configured. Parameters database…

mongoc_database_remove_user() – None Synopsis bool mongoc_database_remove_user (mongoc_database_t *database, const char *username, bson_error_t *error); This function removes the user named username from database \&. Parameters database A mongoc_database_t \&. username A string containing the username of the user to remove. error An optional location for a bson_error_t or NULL \&. Errors Errors are propagated via the…

mongoc_database_remove_all_users() – None Synopsis bool mongoc_database_remove_all_users (mongoc_database_t *database, bson_error_t *error); This function will remove all users configured to access database \&. Parameters database A mongoc_database_t \&. error An optional location for a bson_error_t or NULL \&. Errors Errors are propagated via the error parameter. This may fail if there are socket errors or the current…

mongoc_database_has_collection() – None Synopsis bool mongoc_database_has_collection (mongoc_database_t *database, const char *name, bson_error_t *error); This function checks to see if a collection exists on the MongoDB server within database \&. Parameters database A mongoc_database_t \&. name A string containing the name of the collection. error An optional location for a bson_error_t or NULL \&. Errors Errors…

mongoc_database_get_write_concern() – None Synopsis const mongoc_write_concern_t * mongoc_database_get_write_concern (const mongoc_database_t *database); This function retrieves the default mongoc_write_concern_t to use with database as configured by the client. Parameters database A mongoc_database_t \&. Returns A mongoc_write_concern_t that should not be modified or freed. Colophon This page is part of MongoDB C Driver. Please report any bugs at…

mongoc_database_get_read_prefs() – None Synopsis const mongoc_read_prefs_t * mongoc_database_get_read_prefs (const mongoc_database_t *database); Fetches the default read preferences to use with database \&. Parameters database A mongoc_database_t \&. Returns A mongoc_write_concern_t that should not be modified or freed. Colophon This page is part of MongoDB C Driver. Please report any bugs at https://jira.mongodb.org/browse/CDRIVER.

mongoc_database_get_read_concern() – None Synopsis const mongoc_read_concern_t * mongoc_database_get_read_concern (const mongoc_database_t *database); This function retrieves the default mongoc_read_concern_t to use with database as configured by the client. Parameters database A mongoc_database_t \&. Returns A mongoc_read_concern_t that should not be modified or freed. Colophon This page is part of MongoDB C Driver. Please report any bugs at…

mongoc_database_get_name() – None Synopsis const char * mongoc_database_get_name (mongoc_database_t *database); Fetches the name of the database. Parameters database A mongoc_database_t \&. Returns A string which should not be modified or freed. Colophon This page is part of MongoDB C Driver. Please report any bugs at https://jira.mongodb.org/browse/CDRIVER.

mongoc_database_get_collection_names() – None Synopsis char ** mongoc_database_get_collection_names (mongoc_database_t *database, bson_error_t *error); Fetches a NULL terminated array of NULL-byte terminated char* strings containing the names of all of the collections in database \&. Parameters database A mongoc_database_t \&. error An optional location for a bson_error_t or NULL \&. Errors Errors are propagated via the error parameter….

mongoc_database_get_collection() – None Synopsis mongoc_collection_t * mongoc_database_get_collection (mongoc_database_t *database, const char *name); Allocates a new mongoc_collection_t structure for the collection named name in database \&. Returns A newly allocated mongoc_collection_t that should be freed with mongoc_collection_destroy(3) \&. Colophon This page is part of MongoDB C Driver. Please report any bugs at https://jira.mongodb.org/browse/CDRIVER.

mongoc_database_find_collections() – None Synopsis mongoc_cursor_t * mongoc_database_find_collections (mongoc_database_t * database, const bson_t * filter, bson_error_t * error); Fetches a cursor containing documents, each corresponding to a collection on this database. Parameters database A mongoc_database_t \&. filter A matcher used by the server to filter the returned collections. May be NULL \&. error An optional location…

mongoc_database_drop() – bool mongoc_database_drop (mongoc_database_t *database,                 bson_error_t      *error); Synopsis bool mongoc_database_drop (mongoc_database_t *database, bson_error_t *error); This function attempts to drop a database on the MongoDB server. Parameters database A mongoc_database_t \&. error An optional location for a bson_error_t or NULL \&. Errors Errors are propagated via the error parameter. Returns true if successful, otherwise false and…