C++ (Cpp) mongo_cursor_set_optionsの例

コード例 #1

ファイル: mongo.c プロジェクト: chitr/mongo-c-driver

MONGO_EXPORT mongo_cursor *mongo_find( mongo *conn, const char *ns, const bson *query,
                          const bson *fields, int limit, int skip, int options ) {

    mongo_cursor *cursor = ( mongo_cursor * )bson_malloc( sizeof( mongo_cursor ) );
    mongo_cursor_init( cursor, conn, ns );
    cursor->flags |= MONGO_CURSOR_MUST_FREE;

    mongo_cursor_set_query( cursor, query );
    mongo_cursor_set_fields( cursor, fields );
    mongo_cursor_set_limit( cursor, limit );
    mongo_cursor_set_skip( cursor, skip );
    mongo_cursor_set_options( cursor, options );

    if( mongo_cursor_op_query( cursor ) == MONGO_OK )
        return cursor;
    else {
        mongo_cursor_destroy( cursor );
        return NULL;
    }
}

コード例 #2

ファイル: mongo.c プロジェクト: i-md/mongo-c-driver

int mongo_find_one( mongo *conn, const char *ns, bson *query,
                    bson *fields, bson *out ) {

    mongo_cursor cursor[1];
    mongo_cursor_init( cursor, conn, ns );
    mongo_cursor_set_query( cursor, query );
    mongo_cursor_set_fields( cursor, fields );
    mongo_cursor_set_limit( cursor, 1 );
    // Always use slave OK.
    mongo_cursor_set_options( cursor, MONGO_SLAVE_OK );

    if ( mongo_cursor_next( cursor ) == MONGO_OK ) {
        bson_init_size( out, bson_size( (bson *)&cursor->current ) );
        memcpy( out->data, cursor->current.data,
            bson_size( (bson *)&cursor->current ) );
        out->finished = 1;
        mongo_cursor_destroy( cursor );
        return MONGO_OK;
    } else {
        mongo_cursor_destroy( cursor );
        return MONGO_ERROR;
    }
}