Re: [Monetdb-developers] [carl.nobile@gmail.com: Re: Data integrity bug]

7 Oct 2008

      On Tue, Oct 07, 2008 at 07:52:49PM +0200, Niels Nes wrote:
...
Sjoerd, Stefan,
Ik heb al een tijdje geen buildtools in een lege omgeving (ie geen
monetdb enviroment settings) geprobeert. Kan het zijn dat er dan
iets misgaat. Make distclean moeten we misschien ook nog aan de testing
toevoegen ?
Niels
----- Forwarded message from Carl Nobile  -----
From: Carl Nobile 
Subject: Re: [Monetdb-developers] Data integrity bug
To: Niels Nes 
Neils,
   I got buildtools to compile. It seems that 'make distclean'
   does not clean out any of the yacc crud. So, I just blew away
   the tree and checked it out again.
   Now when I run ./bootstrap in the clients code it complains the
   following:
   $ ./bootstrap
   automake 1.9.6 is 1.7 or newer. Good.
   autoconf 2.61 is 2.57 or newer. Good.
   libtool 1.5.24Debian1.5.24-1ubuntu1 is 1.4 or newer. Good.
   Python 2.5.1 is 2.0.0 or newer. Good.
   Traceback (most recent call last):
     File "/usr/local/MonetDB/bin/autogen.py", line 29, in
   <module>
       from autogen import am
   ImportError: No module named autogen
   I've looked for a python-autogen package, but have found
   nothing in Ubuntu's repositories.
from buildtools/README
========
[...]
In particular, see autogen/README for how to set your PYTHONPATH in case
./bootstrap of MonetDB, sql, pathfinder, etc. fails to find the autogen
module with the default settings.
========

from buildtools/autogen/README
========
To build, run
        python setup.py build
then to install, run
        python setup.py install [--prefix=<install-dir-prefix>]

Use
        python setup.py --help
to get more information about the possible options.

If you use the --prefix option or otherwise install autogen in a
different place, you may have to set your PYTHONPATH environment
variable accordingly.  The directory which needs to be added is
<install-dir-prefix>/lib(64)/python<python-version>/site-packages, where
<python-version> is the version of Python used (e.g. 2.4).
You can automatically get the respective directory via
"<install-dir-prefix>/`python -c 'import distutils.sysconfig; print distutils.sysconfig.get_python_lib(0,0,"")'`".
(
In case you are using Apple-built Python 2.5.1 on Mac OS X 10.5.* (Darwin 9.*),
it can be that the above command yields
"<install-dir-prefix>/Library/Python/2.5/site-packages", 
while Python's distutils.core.setup() actually installs the python modules into
"<install-dir-prefix>/lib/python2.5/site-packages".
In that case, replacing the above command by 
"<install-dir-prefix>/`python -c 'import distutils.sysconfig; print distutils.sysconfig.get_python_lib(0,1,"")'`/site-packages"
might help to overcome this inconsistency.
)
[...]
========

Stefan
...
-Carl
   On Tue, Oct 7, 2008 at 12:35 PM, Niels Nes
   <[1]Niels.Nes@cwi.nl> wrote:
On Tue, Oct 07, 2008 at 12:24:38PM -0400, Carl Nobile wrote:
...
Neils,
   I'm getting errors when I try to build buildtools.
   mel.cc:(.text+0x7f9): undefined reference to `yyin'
   My installed packages are:
   autoconf (GNU Autoconf) 2.61
   automake (GNU automake) 1.9.6
   autogen (GNU AutoGen) - The Automated Program Generator -
   Ver.
   5.9.1
   ltmain.sh (GNU libtool) 1.5.24 Debian 1.5.24-1ubuntu1
   (1.1220.2.456 2007/06/24 02:25:32)
   bison (GNU Bison) 2.3
   flex 2.5.33
   g++ (GCC) 4.1.3 20070929 (prerelease) (Ubuntu
   4.1.2-16ubuntu2)
   Carl
yyin should be defined in mel/[2]mel.yy.cc, ie a flex
     generated source
     file. Maybe something went wrong with this file. We have for
     almost
     all tools the same version on our fedore 8 systems.
     Niels (ie not Neils)
     >    On Tue, Oct 7, 2008 at 6:27 AM, Niels Nes
     <[1][3]Niels.Nes@cwi.nl>
...
wrote:
On Mon, Oct 06, 2008 at 03:07:02PM -0400, Carl Nobile
   wrote:
...
Ross,
   I forgot to answer one of your questions. Although my
   web
   service can delete data, running a delete doesn't
   seen to
   be
   involved with this issue. To make a long story short
   it
   seems
   everything is okay until I add a column during an
   update.
I just fixed the problem for Ross. Allthough the problem
   was
     related to
     deletes which you do not have, it still may solve your
     problem as the
     fix was at a lower level than the sql delete statement.
     So could you test with a checkout from cvs head?
     Niels
...
-Carl
   On Mon, Oct 6, 2008 at 2:50 PM, Carl Nobile
...
...
<[1][2][4]carl.nobile@gmail.com> wrote:
Yes, the same is true with my situation. It can work
   fine
   3 or
   4 times in a row then select  from where equals just
   stops
   returning any data.
   -Carl
   On Mon, Oct 6, 2008 at 2:45 PM, Ross Bates
...
...
<[2][3][5]rbates@gmail.com> wrote:
Something definitely going on with the table stats, I
   am
   seeing
   the same strange behavior in that it doesn't occur on
   a
   consistent basis.
   I have finally been able to recreate it using the
   following
   steps. (also see my notes that follow)
   --------------------------------------
   CREATE TABLE "sobi"."table1"
   (
      cid integer,
       p varchar(100),
      c varchar(100),
      lf integer,
      rt integer,
      lvl integer
   )
   insert into sobi.table1 values (1,'foo','bar',9,12,1)
   insert into sobi.table1 values
   (1,'boo','blah',13,22,1)
   CREATE TABLE "sobi"."table2"
   (
       p varchar(100),
      c varchar(100),
      lf integer,
      rt integer,
      lvl integer
   )
   insert into sobi.table2(p,c) (select p,c from
   sobi.table1)
   select * from sobi.table2
   select * from sobi.table2 where p = 'foo'
   delete from sobi.table2
   --------------------------------------
   It might happen right away - or it might take 5-10
   times,
   but
   if you iterate over the insert > select > delete
   statements
   eventually the [p = 'foo'] select will stop returning
   rows.
   On Mon, Oct 6, 2008 at 1:24 PM, Carl Nobile
...
...
<[3][4][6]carl.nobile@gmail.com> wrote:
Ross,
   I have written a web service in Python that sets on
   top of
   MonetDB it is somewhat complicated, but I'll try to
   explain it
   below. There are only three tables in the schema and
   one
   view
   over sys.tables and sys.columns.
   BUSINESS_UNIT
   BUSINESS_USER_COLUMN_STATS
   BUSINESS_USER_PROFILE
   BUSINESS_USER_PROFILE_COLUMNS
   1) START TRANSACTION
   2) Check if record exists to determine if an UPDATE
   or an
   INSERT needs to be done.
   (SELECT count(*) FROM "BUSINESS_USER_PROFILE" WHERE
   "USER_ID"=%(USER_ID)s AND
   "BUSINESS_ID"=%(BUSINESS_ID)s)
   3) If an INSERT then check if the BUSINESS_UNIT is
   present.
   SELECT count(*) FROM "BUSINESS_UNIT" WHERE
   "BUSINESS_ID"=%(BUSINESS_ID)s
   4) If UPDATE see item 13
   5) If INSERT then: INSERT INTO "BUSINESS_UNIT"
   ("BUSINESS_ID",
   "CREATE_DT", "CREATE_CID") VALUES (%(BUSINESS_ID)s,
   %(CREATE_DT)s, %(CREATE_CID)s
   6) Look to see if any new columns need to be added to
   BUSINESS_USER_PROFILE by checking the view, if yes
   then:
   ALTER
   TABLE "BUSINESS_USER_PROFILE" ADD COLUMN "%s"
   VARCHAR(240)
   NULL
   7) Commit then START TRANSACTION
   8) INSERT the record into the BUSINESS_USER_PROFILE
   table
   (the
   two %s constructs could be any number of columns and
   values):
   INSERT INTO "BUSINESS_USER_PROFILE" (%s) VALUES (%s)
   9) Check to see if the column needs to be inserted or
   updated
   to the stats table: SELECT "COLUMN_NAME" FROM
   "BUSINESS_USER_COLUMN_STATS"
   10) Check the view again to see if the column already
   exists.
   11) If INSERT: INSERT INTO
   "BUSINESS_USER_COLUMN_STATS"
   ("COLUMN_NAME", "BUSINESS_ID", "LAST_UPDT_DT",
   "LAST_UPDT_CID")
   VALUES (%(COLUMN_NAME)s, %(BUSINESS_ID)s,
   %(LAST_UPDT_DT)s,
   %(LAST_UPDT_CID)s)
   12) If UPDATE: UPDATE "BUSINESS_USER_COLUMN_STATS"
   SET
   "BUSINESS_ID"=%(BUSINESS_ID)s,
   "LAST_UPDT_DT"=%(LAST_UPDT_DT)s,
   "LAST_UPDT_CID"=%(LAST_UPDT_CID)s WHERE
   "COLUMN_NAME"=%(COLUMN_NAME)s
   13) Do 6 and 7 above.
   14) UPDATE the record in the BUSINESS_USER_PROFILE
   table
   (the
   two %s constructs could be any number of columns or
   conditions): 'UPDATE "BUSINESS_USER_PROFILE" SET %s
   WHERE
   %s
   15) Do 9, 10, 11, and 12
   OK this may be over kill, but I had to think through
   the
   process myself before I could answer your question.
   Any
   select
   after doing a sequence of six inserts and six updates
   would
   usually cause the issue. The operative word is
   'usually',
   because sometimes it would work flawlessly.
   -Carl
   On Mon, Oct 6, 2008 at 1:23 PM, Ross Bates
...
...
<[4][5][7]rbates@gmail.com> wrote:
Carl - this bug continues to bother me as well as I
   can't
   reproduce the exact steps.
   Does your application populate the table in question
   using
   sql
   like this?
       insert into foo(col1,col2) (select col1,col2 from
   bar)
   Also, do you run any delete statements before
   populating
   the
   data?
   I was thinking that the bug was related to the
   addition/deletion of columns, but it appears to show
   up
   more
   often after a series of insert/delete statements
   which
   follow
   my alter/create table statements.
   On Sun, Oct 5, 2008 at 4:19 PM, Stefan de Konink
...
...
<[5][6][8]stefan@konink.de> wrote:
-----BEGIN PGP SIGNED MESSAGE-----
   Hash: SHA512
Ross Bates schreef:
...
Stefan - what is occurring in the alignment bug you
   are
   referring to?
I had an issue before that occured after I had
   added an
     index (that in
     MonetDB terms shouldn't do anything), where I was
   able
   to
     make mserver5
     crash on a string comparison.
     But I know that this was fixed even before I had
   reported
     it.
Stefan
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>      >    [6][7][9]http://enigmail.mozdev.org
...
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iEYEAREKAAYFAkjpL2AACgkQYH1+F2Rqwn3k9gCeKg+p+n+nQE+dPTLDLnZe
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>    >
     >    > References
     >    >
     >    >    1. mailto:[11][10]carl.nobile@gmail.com
     >    >    2. mailto:[12][11]rbates@gmail.com
     >
     >      >    3. mailto:[13][12]carl.nobile@gmail.com
     >      >    4. mailto:[14][13]rbates@gmail.com
     >      >    5. mailto:[15][14]stefan@konink.de
     >      >    6. [16][15]http://enigmail.mozdev.org/
     >
     >    >    7. mailto:[17][16]carl.nobile@gmail.com
     >    >    8. mailto:[18][17]carl.nobile@gmail.com
     >    >    9. mailto:[19][18]carl.nobile@gmail.com
...
...
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     >    > _______________________________________________
     >    > Monetdb-developers mailing list
     >    > [21][20]Monetdb-developers@lists.sourceforge.net
     >    >
     >
     [22][21]https://lists.sourceforge.net/lists/listinfo/monetdb
     -develo
...
pers
--
   Niels Nes, Centre for Mathematics and Computer Science
   (CWI)
   Kruislaan 413, 1098 SJ Amsterdam, The Netherlands
   room C0.02,  phone ++31 20 592-4098, fax ++31 20 592-4312
>    url: [23][22]http://www.cwi.nl/~niels   e-mail:
     >    [24][23]Niels.Nes@cwi.nl
...
>
     > References
     >
     >    1. mailto:[24]Niels.Nes@cwi.nl
...
2. mailto:[25]carl.nobile@gmail.com
>    3. mailto:[26]rbates@gmail.com
...
4. mailto:[27]carl.nobile@gmail.com
>    5. mailto:[28]rbates@gmail.com
     >    6. mailto:[29]stefan@konink.de
     >    7. [30]http://enigmail.mozdev.org/
...
8. mailto:[31]carl.nobile@gmail.com
   9. mailto:[32]carl.nobile@gmail.com
>   10. mailto:[33]carl.nobile@gmail.com
     >   11. mailto:[34]carl.nobile@gmail.com
     >   12. mailto:[35]rbates@gmail.com
     >   13. mailto:[36]carl.nobile@gmail.com
     >   14. mailto:[37]rbates@gmail.com
     >   15. mailto:[38]stefan@konink.de
     >   16. [39]http://enigmail.mozdev.org/
     >   17. mailto:[40]carl.nobile@gmail.com
     >   18. mailto:[41]carl.nobile@gmail.com
     >   19. mailto:[42]carl.nobile@gmail.com
     >   20.
     [43]http://moblin-contest.org/redirect.php?banner_id=100&url
     =/
     >   21. mailto:[44]Monetdb-developers@lists.sourceforge.net
     >   22.
     [45]https://lists.sourceforge.net/lists/listinfo/monetdb-dev
     elopers
     >   23. [46]http://www.cwi.nl/%7Eniels
     >   24. mailto:[47]Niels.Nes@cwi.nl
     >   25. mailto:[48]carl.nobile@gmail.com
     --
Niels Nes, Centre for Mathematics and Computer Science (CWI)
   Kruislaan 413, 1098 SJ Amsterdam, The Netherlands
   room C0.02,  phone ++31 20 592-4098, fax ++31 20 592-4312
   url: [49]http://www.cwi.nl/~niels   e-mail:
   [50]Niels.Nes@cwi.nl
References
1. mailto:Niels.Nes@cwi.nl
   2. http://mel.yy.cc/
   3. mailto:Niels.Nes@cwi.nl
   4. mailto:carl.nobile@gmail.com
   5. mailto:rbates@gmail.com
   6. mailto:carl.nobile@gmail.com
   7. mailto:rbates@gmail.com
   8. mailto:stefan@konink.de
   9. http://enigmail.mozdev.org/
  10. mailto:carl.nobile@gmail.com
  11. mailto:rbates@gmail.com
  12. mailto:carl.nobile@gmail.com
  13. mailto:rbates@gmail.com
  14. mailto:stefan@konink.de
  15. http://enigmail.mozdev.org/
  16. mailto:carl.nobile@gmail.com
  17. mailto:carl.nobile@gmail.com
  18. mailto:carl.nobile@gmail.com
  19. http://moblin-contest.org/redirect.php?banner_id=100&url=/
  20. mailto:Monetdb-developers@lists.sourceforge.net
  21. https://lists.sourceforge.net/lists/listinfo/monetdb-develo
  22. http://www.cwi.nl/%7Eniels
  23. mailto:Niels.Nes@cwi.nl
  24. mailto:Niels.Nes@cwi.nl
  25. mailto:carl.nobile@gmail.com
  26. mailto:rbates@gmail.com
  27. mailto:carl.nobile@gmail.com
  28. mailto:rbates@gmail.com
  29. mailto:stefan@konink.de
  30. http://enigmail.mozdev.org/
  31. mailto:carl.nobile@gmail.com
  32. mailto:carl.nobile@gmail.com
  33. mailto:carl.nobile@gmail.com
  34. mailto:carl.nobile@gmail.com
  35. mailto:rbates@gmail.com
  36. mailto:carl.nobile@gmail.com
  37. mailto:rbates@gmail.com
  38. mailto:stefan@konink.de
  39. http://enigmail.mozdev.org/
  40. mailto:carl.nobile@gmail.com
  41. mailto:carl.nobile@gmail.com
  42. mailto:carl.nobile@gmail.com
  43. http://moblin-contest.org/redirect.php?banner_id=100&url=/
  44. mailto:Monetdb-developers@lists.sourceforge.net
  45. https://lists.sourceforge.net/lists/listinfo/monetdb-developers
  46. http://www.cwi.nl/%7Eniels
  47. mailto:Niels.Nes@cwi.nl
  48. mailto:carl.nobile@gmail.com
  49. http://www.cwi.nl/%7Eniels
  50. mailto:Niels.Nes@cwi.nl
----- End forwarded message -----
--
Niels Nes, Centre for Mathematics and Computer Science (CWI)
Kruislaan 413, 1098 SJ Amsterdam, The Netherlands
room C0.02,  phone ++31 20 592-4098, fax ++31 20 592-4312
url: http://www.cwi.nl/~niels   e-mail: Niels.Nes@cwi.nl
-- 
| Dr. Stefan Manegold | mailto:Stefan.Manegold@cwi.nl |
| CWI,  P.O.Box 94079 | http://www.cwi.nl/~manegold/  |
| 1090 GB Amsterdam   | Tel.: +31 (20) 592-4212       |
| The Netherlands     | Fax : +31 (20) 592-4312       |

Stefan Manegold

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