AntonAL

-- Courtesy
-- http://shuber.io/porting-activerecord-counter-cache-behavior-to-postgres/

-- Counter-cache implementation for foreign-key of type UUID

CREATE FUNCTION increment_counter(table_name text, column_name text, id integer, step integer)  
  RETURNS VOID AS $$
    DECLARE
      table_name text := quote_ident(table_name);
      column_name text := quote_ident(column_name);