On Fri, Jan 10, 2020 at 06:50:12PM +0900, Fujii Masao wrote: > I changed the doc that way. Thanks for the review!
+ <para>
+ <function>pg_file_sync</function> fsyncs the specified file or directory
+ named by <parameter>filename</parameter>. Returns true on success,
+ an error is thrown otherwise (e.g., the specified file is not present).
+ </para>
What's the point of having a function that returns a boolean if it
just returns true all the time? Wouldn't it be better to have a set
of semantics closer to the unlink() part, where the call of stat()
fails with an ERROR for (errno != ENOENT) and the fsync call returns
false with a WARNING?
+SELECT pg_file_sync('global'); -- sync directory
+ pg_file_sync
+--------------
+ t
+(1 row)
installcheck deployments may not like that.
--
Michael
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