Otniel Michael <otmic_ie@yahoo.com> writes: > When i was vacuum the database, the vacuum if failed. And I get this error. Any ideas an to fix this? > ERROR: failed to re-find parent key in "pk_ep07" Update to a newer PG version, possibly? This symptom has been seen before... regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match