As of commit
c6e4133, the calculation happens in make_one_rel() and not
query_planner().
Author: Amit Langote
Discussion: https://postgr.es/m/
c7a04a90-42e6-28a4-811a-
a7e352831ba1@lab.ntt.co.jp
* product rather than calculating it here. "pages" is the number of pages
* in the object under consideration (either an index or a table).
* "index_pages" is the amount to add to the total table space, which was
- * computed for us by query_planner.
+ * computed for us by make_one_rel.
*
* Caller is expected to have ensured that tuples_fetched is greater than zero
* and rounded to integer (see clamp_row_est). The result will likewise be