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Gnanavel S wrote:
> Hi All,
> 
> Can anyone please tell/point me where I can get the postgresql system layout
> (I've an interest to contribute). I would also like to know the files
> involved for performing each task ( for eg when doing a select operation
> what is exactly happening in postgres along with the files).
> 
> I was wandering inside the source for a while and I couldn't get a start
> point to go with.
> 
> Need a clarification in copydir.c file of src/port directory, In the
> following snippet the destination directory is created first then the source
> directory is read. Suppose if I don't have permission to read the source,
> even then the destination directory would be created.
> I just want to know whether there is any reason for doing so?
> 
> if (mkdir(todir, S_IRUSR | S_IWUSR | S_IXUSR) != 0)
> ereport(ERROR,
> (errcode_for_file_access(),
> errmsg("could not create directory \"%s\": %m", todir)));
> 
> xldir = AllocateDir(fromdir);
> if (xldir == NULL)
> ereport(ERROR,
> (errcode_for_file_access(),
> errmsg("could not open directory \"%s\": %m", fromdir)));
> 
> 
> 
> --
> with thanks & regards,
> S.Gnanavel
> Satyam Computer Services Ltd.

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