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Commitf303ec6

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Remove comment obsoleted by11c2d6f.
Reported-by: Tom Lane <tgl@sss.pgh.pa.us>Discussion:https://postgr.es/m/1604497.1680637072%40sss.pgh.pa.us
1 parentea1db8a commitf303ec6

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‎src/backend/optimizer/path/joinpath.c

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@@ -2190,9 +2190,8 @@ hash_inner_and_outer(PlannerInfo *root,
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* If the joinrel is parallel-safe, we may be able to consider a
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* partial hash join. However, we can't handle JOIN_UNIQUE_OUTER,
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* because the outer path will be partial, and therefore we won't be
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* able to properly guarantee uniqueness. Similarly, we can't handle
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* JOIN_FULL and JOIN_RIGHT, because they can produce false null
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* extended rows. Also, the resulting path must not be parameterized.
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* able to properly guarantee uniqueness. Also, the resulting path
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* must not be parameterized.
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*/
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if (joinrel->consider_parallel&&
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save_jointype!=JOIN_UNIQUE_OUTER&&

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