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Fix typo in add_paths_to_append_rel()

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The comment should have been referring to the number of workers, not the
number of paths.

Author: Ashutosh Bapat
Discussion: https://postgr.es/m/CAFjFpRcbp4702jcp387PExt3fNCt62QJN8++DQGwBhsW6wRHWA@mail.gmail.com
pull/31/merge
Stephen Frost 7 years ago
parent 20ba33dade
commit 1f7b8967ef
1 changed files with 1 additions and 1 deletions
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      src/backend/optimizer/path/allpaths.c

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src/backend/optimizer/path/allpaths.c
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@ -1574,7 +1574,7 @@ add_paths_to_append_rel(PlannerInfo *root, RelOptInfo *rel,
/* /*
* If the use of parallel append is permitted, always request at least * If the use of parallel append is permitted, always request at least
* log2(# of children) paths. We assume it can be useful to have * log2(# of children) workers. We assume it can be useful to have
* extra workers in this case because they will be spread out across * extra workers in this case because they will be spread out across
* the children. The precise formula is just a guess, but we don't * the children. The precise formula is just a guess, but we don't
* want to end up with a radically different answer for a table with N * want to end up with a radically different answer for a table with N

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