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

From Wen Yi
Subject What type of Compiler to SQL? Memory-Image (Load-and-Go) Format?
Date
Msg-id TYAP286MB063667EC1939D2E9D18C5C4FA9729@TYAP286MB0636.JPNP286.PROD.OUTLOOK.COM
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Responses Re: What type of Compiler to SQL? Memory-Image (Load-and-Go) Format?  (Bruce Momjian <bruce@momjian.us>)
Re: What type of Compiler to SQL? Memory-Image (Load-and-Go) Format?  ("David G. Johnston" <david.g.johnston@gmail.com>)
Re: What type of Compiler to SQL? Memory-Image (Load-and-Go) Format?  (Christophe Pettus <xof@thebuild.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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