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Where are the detoast function called in select * from table_name case? - Mailing list pgsql-hackers

From Rui Hai Jiang
Subject Where are the detoast function called in select * from table_name case?
Date
Msg-id BLU436-SMTP158608B068424F10E23CC16A0D00@phx.gbl
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Responses Re: Where are the detoast function called in select * from table_name case?  (Heikki Linnakangas <hlinnaka@iki.fi>)
Re: Where are the detoast function called in select * from table_name case?  (Pavel Stehule <pavel.stehule@gmail.com>)
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Hello,

I've been reading the PostgreSQL code for weeks to figure out how TOAST 
works.
I couldn't find where are the TOAST function called to detoast a tuple 
comes from a select query, for example, select * from table_name.
Does anyone know this? Can you give me some help? And any help would 
save me a lot of time.

Thanks,
Rui Hai

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