Detecting inline, inline-compressed and TOAST storage
+--+--------------+------------------+----------+-----------+-------------+
|id|full_name |uncompressed_bytes|compressed|out_of_line|bytes_on_disk|
+--+--------------+------------------+----------+-----------+-------------+
|1 |joe toast |4004 |false |true |4000 |
|2 |joe compressed|3000 |true |false |44 |
|3 |joe inline |10 |false |false |11 |