Add PL/PGSQL function to find tables involved in a query
Add PL/PGSQL function to find tables involved in a query

datapolitan/cartodb20,jmwenda/nationmaps,datapolitan/cartodb20,jmwenda/nationmaps,datapolitan/cartodb20,datapolitan/cartodb20,jmwenda/nationmaps,jmwenda/nationmaps