Re: Unused header file inclusion

vignesh C <vignesh21@gmail.com>

From: vignesh C <vignesh21@gmail.com>
To: Michael Paquier <michael@paquier.xyz>
Cc: Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2019-07-31T06:01:15Z
Lists: pgsql-hackers
On Wed, Jul 31, 2019 at 11:26 AM Michael Paquier <michael@paquier.xyz> wrote:
>
> On Wed, Jul 31, 2019 at 11:19:08AM +0530, vignesh C wrote:
> > I noticed that there are many header files being included which need
> > not be included.  I have tried this in a few files and found the
> > compilation and regression to be working.  I have attached the patch
> > for the files that  I tried.  I tried this in CentOS, I did not find
> > the header files to be platform specific.
> > Should we pursue this further and cleanup in all the files?
>
> Do you use a particular method here or just manual deduction after
> looking at each file individually?  If this can be cleaned up a bit, I
> think that's welcome.  The removal of headers is easily forgotten when
> moving code from one file to another...
>
Thanks Michael.
I'm writing some perl scripts to identify this.
The script will scan through all the files, make changes,
and verify.
Finally it will give the changed files.

Regards,
Vignesh
EnterpriseDB: http://www.enterprisedb.com



Commits

  1. Add fmgr.h include to selfuncs.h.

  2. Add "headerscheck" script to test header-file compilability under C.

  3. Fix failure-to-compile-standalone in scripts_parallel.h.

  4. Remove fmgr.h includes from headers that don't really need it.

  5. Don't include utils/array.h from acl.h.

  6. Remove redundant prototypes for SQL callable functions.

  7. Remove unnecessary #include <limits.h>

  8. Teach tuplesort.c about "top N" sorting, in which only the first N tuples