> On Dec 15, 2022, at 10:23, Christophe Pettus <xof@xxxxxxxxxxxx> wrote: > Is there a way from SQL to get the size of a particular attribute (field in a row) with a variable-length typed as stored on disk (including compression)? The use case is to determine the size distribution for setting TOAST_TUPLE_TARGET and making other decisions about what to store in that field. Like, for instance, pg_column_size. :-) Never mind!