Prakash Ramakrishnan wrote: > which code > will be support for postgresql 11 can you please share me the link or file. It appears indeed from the error messages that you're trying to compile an old version. The lastest version here: git://git.postgresql.org/git/pldebugger.git does compile successfully for me with PG11 (Debian 9). Best regards, -- Daniel Vérité PostgreSQL-powered mailer: http://www.manitou-mail.org Twitter: @DanielVerite