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Fix many typos and inconsistencies

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Author: Alexander Lakhin
Discussion: https://postgr.es/m/af27d1b3-a128-9d62-46e0-88f424397f44@gmail.com
This commit is contained in:
Michael Paquier
2019-07-01 10:00:23 +09:00
parent 459c3cdb4a
commit c74d49d41c
50 changed files with 76 additions and 89 deletions
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9
src/backend/optimizer/path/equivclass.c
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@@ -929,11 +929,10 @@ generate_base_implied_equalities_no_const(PlannerInfo *root,
/*
* We scan the EC members once and track the last-seen member for each
* base relation. When we see another member of the same base relation,
* we generate "prev_mem = cur_mem". This results in the minimum number
* of derived clauses, but it's possible that it will fail when a
* different ordering would succeed. XXX FIXME: use a UNION-FIND
* algorithm similar to the way we build merged ECs. (Use a list-of-lists
* for each rel.)
* we generate "prev_em = cur_em". This results in the minimum number of
* derived clauses, but it's possible that it will fail when a different
* ordering would succeed. XXX FIXME: use a UNION-FIND algorithm similar
* to the way we build merged ECs. (Use a list-of-lists for each rel.)
*/
prev_ems = (EquivalenceMember **)
palloc0(root->simple_rel_array_size * sizeof(EquivalenceMember *));