Solucionar error cuando el NHC está duplicado.

sqlFunctions.R

@@ -54,7 +54,7 @@ sqlShowSamples<-function(conn=dta, nhcs=nhc.test, verb=F, dbtype=NULL){
   if (isFALSE(verb)){
     sqlQuery(conn, query) %>% filter(NHC %in% nhcs) %>% 
     group_by(NHC,UQ(rlang::sym(db["dbcode"]))) %>% summarise(Samples=length(UQ(rlang::sym(db["dbsamples"]))), Names=paste0(UQ(rlang::sym(db["dbsamples"])), collapse = ";")) %>% 
-      merge(data.frame(NHC=nhcs),all=T) %>% mutate(NHC=factor(NHC,levels = nhcs)) %>% arrange(NHC)
+      merge(data.frame(NHC=nhcs),all=T) %>% mutate(NHC=factor(NHC,levels = unique(nhcs))) %>% arrange(NHC)
   }else{
     sqlQuery(conn, query) %>% filter(NHC %in% nhcs)
   }