What type of Compiler to SQL? Memory-Image (Load-and-Go) Format?

From: Wen Yi <chuxuec(at)outlook(dot)com>
To: PostgreSQL General <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: What type of Compiler to SQL? Memory-Image (Load-and-Go) Format?
Date: 2023-05-05 01:00:37
Message-ID: TYAP286MB063667EC1939D2E9D18C5C4FA9729@TYAP286MB0636.JPNP286.PROD.OUTLOOK.COM
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Hi team,
I am a newbie to the postgres.
When I am studying the compiler,the text book tell me there is there type of compiler.

1. Assembly Language Format
2. Relocatable Binary Format
3. Memory-Image (Load-and-Go) Format

I check the postgres's sql compiler, and it's achieved by lex & yacc.
So What type of Compiler to SQL? Is Memory-Image (Load-and-Go) Format ?

Thanks in advance!

Yours,
WenYi

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