我在 pg_toast 中有相当多的存储空间
relation | size
----------------------------------+---------
pg_toast.pg_toast_43934449 | 87 GB
pg_toast.pg_toast_43934438 | 64 GB
pg_toast.pg_toast_50877 | 35 GB
pg_toast.pg_toast_16715 | 15 GB
pg_toast.pg_toast_16813 | 13 GB
pg_toast.pg_toast_5706469 | 1335 MB
pg_toast.pg_toast_43934449_index | 1004 MB
pg_toast.pg_toast_43934438_index | 942 MB
pg_toast.pg_toast_16715_index | 709 MB
pg_toast.pg_toast_16813_index | 548 MB
pg_toast.pg_toast_50877_index | 530 MB
pg_toast.pg_toast_3518414 | 463 MB
pg_toast.pg_toast_16994 | 339 MB
pg_toast.pg_toast_46608 | 310 MB
pg_toast.pg_toast_16994_index | 92 MB
pg_toast.pg_toast_22345124 | 68 MB
pg_toast.pg_toast_46608_index | 51 MB
pg_toast.pg_toast_437018 | 43 MB
pg_toast.pg_toast_5706469_index …