Pithy patch for more detailed error reporting wheneffective_io_concurrency is set to nonzero on platforms lackingposix_fadvise()

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От James Robinson
Тема Pithy patch for more detailed error reporting wheneffective_io_concurrency is set to nonzero on platforms lackingposix_fadvise()
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Msg-id A3942987-5BC7-4F05-B54D-2A0EC2914B33@jlr-photo.com
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Ответы Re: Pithy patch for more detailed error reporting when effective_io_concurrency is set to nonzero on platforms lacking posix_fadvise()  (Tom Lane <tgl@sss.pgh.pa.us>)
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Per Tom's suggestion on bug #15396, here's a patch to have platforms such as OSX give a more descriptive message when
rejectinga nonzero value for effective_io_concurrency. 

I had to adjust the GUC's wiring in the #ifndef case so that check_effective_io_concurrency() would be called when a
nonzerovalue is supplied instead of just short-circuiting in parse_and_validate_value() when outside of [conf->min,
conf->max].

James





-----
James Robinson
james@jlr-photo.com
http://jlr-photo.com/
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