"Mike G." <mike@xxxxxxxxxxxxxxxx> writes: > UPDATE bb > SET bb.b_col1 = aa.a_col1 > FROM aa > WHERE bb.b_col1 <> aa.a_col1; > Error: column "bb" of relation "bb" does not exist. > Maybe in a future version the alias can be allowed? No. It's contrary to SQL spec, and if we allowed it we'd have an ambiguity: are you assigning to field b_col1 of bb, or assigning to field b_col1 of a composite-type field named bb in table bb? regards, tom lane
