Edit size 1 (Fail: Join)

This query is marked as a draft This query has been published by Krinkle.

SQL

SELECT
  r.rev_timestamp,
  r.rev_id,
  r.rev_len,
  r.rev_parent_id,
  rp.rev_id,
  rp.rev_len
FROM revision_userindex r
  LEFT JOIN revision_userindex rp ON rp.rev_id = r.rev_parent_id
WHERE r.rev_id = 834314845
LIMIT 10
-- Error: Query times out. Why is this join slow?

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