Postgres Pro
Downloads
Home   >   mailing lists

Re: Differentiate between system commands and user commands - Mailing list pgsql-novice

From Tom Lane
Subject Re: Differentiate between system commands and user commands
Date
Msg-id 27046.1057706732@sss.pgh.pa.us
Whole thread Raw
In response to Re: Differentiate between system commands and user commands  (<radha.manohar@ndsu.nodak.edu>)
List pgsql-novice
Tree view 
<radha.manohar@ndsu.nodak.edu> writes:
> I would like to know how postgresql differentiates between the SQL
> commands that are
> entered by the user and the SQL commands that are executed internally by
> the system
> (for eg, to check the permissions of the user etc)?

There are no such "internal SQL commands".  Permissions checking is
hard-coded in C in the backend.

            regards, tom lane

pgsql-novice by date:

Previous
From: Nabil Sayegh
Date:
Subject: Re: Differentiate between system commands and user
Next
From: HK
Date:
Subject: Dont allow updation for few columns in a record.