How PLpgSQL Handles Record Variables and Field Access in Compiler Internals
When a PL/pgSQL function declares a RECORD variable and accesses its fields, the compiler constructs a structured internal representation to manage dynamic field referneces at runtime. Consider this function:
CREATE OR REPLACE FUNCTION demo_fors()
RETURNS VOID AS
$$
DECLARE
a RECORD;
BEGIN
FOR a IN SELECT * FROM some_table LOOP
RAISE NO ...
Posted on Thu, 29 Oct 2026 16:22:47 +0000 by cgrenda