postgresql - PQgetvalue() gets EXC_BAD_ACCESS -

i've called sql query (ommited error checking post)

pgresult *result = pqexec(self.connection, "select * \"getnewpaths\"()"); const int numrows = pqntuples(result);  int row = 0; (int = 0; < numrows; i++) {     char *path = pqgetvalue(result, row, 0); 

as hit pqgetvalue call exception. if run same sql command inside of psql i'd expect see. getnewpaths() function has return type of: table(fullpath varchar, uuid uuid)

since i'm asking first column of first row, i'm not sure why i'm getting error.

my mac postgresql server running 9.2.1, , client running 9.1.5

just figured out. macro calling pqclear(result) before using results. removing fixed problem.