Add prefixes to the query
     
    
    Usage
    spq_prefix(.query = NULL, auto = TRUE, prefixes = NULL)
 
    
    Arguments
    - .query
- a list with elements of the query 
- auto
- whether to use built-in prefixes 
- prefixes
- a vector of prefixes 
 
    
    
    Examples
    spq_init() %>%
spq_prefix(prefixes=c(dbo="http://dbpedia.org/ontology/"))
#> PREFIX dbo: <http://dbpedia.org/ontology/>
#> SELECT *
#> WHERE {
#> 
#> 
#> }
#>