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

["Igor Neyman" <ineyman@xxxxxxxxxxxxxx>]

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