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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