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relation between records in "main" and "toast" tables

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To: <pgsql-general@xxxxxxxxxxxxxx>
Subject: relation between records in "main" and "toast" tables
From: "Igor Neyman" <ineyman@xxxxxxxxxxxxxx>
Date: Wed, 27 Jan 2010 10:40:51 -0500
Thread-index: AcqfZxrrq+LsMHiARempswxXIZXkYA==
Thread-topic: relation between records in "main" and "toast" tables

Hello,
 
Let's say TableA has "toastable" column, the contents of this column is
stored in let's say pg_toast_1234.
 
Is there a query to find which records (chunk_id, chunk_seq) in
pg_toast_1234 store data for specific record in TableA (i.e. with PK
column value eq. '567')?
 
Igor Neyman

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