Re: What type of Compiler to SQL? Memory-Image (Load-and-Go) Format? - Mailing list pgsql-general

On Thu, May  4, 2023 at 09:16:20PM -0400, Bruce Momjian wrote:
> Lex and yacc load command-specific structures, or a Query structure for
> SELECT, INSERT, UPDATE, DELETE, MERGE.
> 
> The Query structure is converted into a Plan which is executed by the
> executor.  It is not compiled into assembly language.  See this:
> 
>     https://www.postgresql.org/developer/backend/

Oh, this might help too:

    https://momjian.us/main/writings/pgsql/internalpics.pdf

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Embrace your flaws.  They make you human, rather than perfect,
  which you will never be.