Re: Regression test fails v9.2.4 - Mailing list pgsql-general

Sorry – replying to my own question….

It seems that the problem only occurs when configuring the make with these settings :

--with-libraries=/lib64 --with-blocksize=2 --with-wal-blocksize=2

Now, we *could* do a two phase compile, one to perform regression tests and another for deployment. Clearly we don’t want to do that.

Hi all…

In my organisation we build PG from source on SLES11.2 using GCC 4.3.

Versions 9.1.x of Postgresql and earlier always passed all of the regression tests but 9.2.3 and .4 fail on the following :

Union

Join

Select views

Polymorphism

With

This happens when using gmake check & gmake MAX_CONNECTIONS=10 installcheck

Mostly the fails are because the returned data order doesn’t match the expected results. Another significant example is this output from the ‘union’ test :

*** /data/vdrive/Workspaces/jsm/apx/apx_system_fix_S4/ds_pgres/source/postgresql-9.2.4/src/test/regress/expected/union.out      Mon Apr  1 19:20:36 2013

--- /data/vdrive/Workspaces/jsm/apx/apx_system_fix_S4/ds_pgres/source/postgresql-9.2.4/src/test/regress/results/union.out       Fri Apr 19 15:21:59 2013

***************

*** 490,504 ****

    UNION

    SELECT * FROM t2) t

   WHERE ab = 'ab';

!                     QUERY PLAN

! ---------------------------------------------------

!  HashAggregate

!    ->  Append

!          ->  Index Scan using t1_ab_idx on t1

!                Index Cond: ((a || b) = 'ab'::text)

!          ->  Index Only Scan using t2_pkey on t2

!                Index Cond: (ab = 'ab'::text)

! (6 rows)

  reset enable_seqscan;

  reset enable_indexscan;

--- 490,506 ----

    UNION

    SELECT * FROM t2) t

   WHERE ab = 'ab';

!                        QUERY PLAN

! ---------------------------------------------------------

!  Unique

!    ->  Sort

!          Sort Key: ((t1.a || t1.b))

!          ->  Append

!                ->  Index Scan using t1_ab_idx on t1

!                      Index Cond: ((a || b) = 'ab'::text)

!                ->  Index Only Scan using t2_pkey on t2

!                      Index Cond: (ab = 'ab'::text)

! (8 rows)

  reset enable_seqscan;

  reset enable_indexscan;

Sorry for the rambling question : is this problem common, i.e. the expected results files need to be changed or… is it just me? J

Regards,

John Manning
Business & Application Services

Fujitsu

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