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Re: are the 2 if-statements in join_is_legal() removable? - Mailing list pgsql-general

From Tom Lane
Subject Re: are the 2 if-statements in join_is_legal() removable?
Date
Msg-id 667603.1746892044@sss.pgh.pa.us
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In response to are the 2 if-statements in join_is_legal() removable?  (g l <orangegrove@live.com>)
Responses 回复: are the 2 if-statements in join_is_legal() removable?
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g l <orangegrove@live.com> writes:
> In join_is_legal(), there are 2 decision-making statements based on match_sjinfo. I    wonder wether their conditions
canever test possitive. 

The code coverage report says yes.

https://coverage.postgresql.org/src/backend/optimizer/path/joinrels.c.gcov.html#350

            regards, tom lane

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