Richard Michael <rmichael@xxxxxxxxxxxxxxxx> writes: > After reading Laurenz's reply, I experimented again with `PREPARE > basic(int) AS SELECT $1 AS number;" and the query plan logged in the log > file (by auto_explain) does indeed show "Output: $1" on the sixth EXPLAIN > EXECUTE! Sorry I missed this earlier. (The EXPLAIN EXECUTE output itself > does not contain an "Output:" line, so I didn't notice this lack of > parameter substitution in psql.) I think EXPLAIN VERBOSE would add that bit of detail. regards, tom lane