(revision-id: kristofer.pettersson@sun.com-20091019074333-g2ces0lo4c2ejar7),
because it broke the tree and was reverted later.

Fix partition_column.test.

Fixed a use of non-initialised variable, cannot use NULL flags if RANGE == NO_MAX_RANGE or NO_MIN_RANGE, so need to check NULL flags after checking the RANGE isn't NO_MAX_RANGE

- re-enabled main.innodb_bug44369;
- re-enabled main.innodb_bug47777;
- re-enabled innodb.innodb_information_schema.

            values return too many records

WHERE clauses with "outer_value_list NOT IN subselect" were
handled incorrectly if the outer value list contained multiple 
items where at least one of these could be NULL. The first 
outer record with NULL value was handled correctly, but if a 
second record with NULL value existed, the optimizer would 
choose to reuse the result it got on the last execution of the 
subselect. This is incorrect if the outer value list has 
multiple items.
     
The fix is to make Item_in_optimizer::val_int (in 
item_cmpfunc.cc) reuse the result of the latest execution
for NULL values only if all values in the outer_value_list 
are NULL.

Detailed revision comments:

r6126 | vasil | 2009-10-30 10:36:07 +0200 (Fri, 30 Oct 2009) | 45 lines
branches/zip: Merge r6112:6125 from branches/5.1:

(skipping r6122 and r6123, Jimmy says these are already present and need
not be merged):

  ------------------------------------------------------------------------
  r6122 | jyang | 2009-10-30 05:18:38 +0200 (Fri, 30 Oct 2009) | 7 lines
  Changed paths:
     M /branches/5.1/handler/ha_innodb.cc
     M /branches/5.1/mysql-test/innodb_bug44369.result
     M /branches/5.1/mysql-test/innodb_bug44369.test
     M /branches/5.1/mysql-test/innodb_bug46000.result
     M /branches/5.1/mysql-test/innodb_bug46000.test
  
  branches/5.1: Chnage WARN_LEVEL_ERROR to WARN_LEVEL_WARN
  for push_warning_printf() call in innodb.
  Fix Bug#47233: Innodb calls push_warning(MYSQL_ERROR::WARN_LEVEL_ERROR)
  
  rb://170 approved by Marko.
  
  
  ------------------------------------------------------------------------
  r6123 | jyang | 2009-10-30 05:43:06 +0200 (Fri, 30 Oct 2009) | 8 lines
  Changed paths:
     M /branches/5.1/os/os0proc.c
  
  branches/5.1: In os_mem_alloc_large(), if we fail to attach
  the shared memory, reset memory pointer ptr to NULL, and
  allocate memory from conventional pool. This is a port
  from branches/zip.
  Bug #48237 Error handling in os_mem_alloc_large appears to be incorrect
  rb://198  Approved by: Marko
  
  
  ------------------------------------------------------------------------
  r6125 | vasil | 2009-10-30 10:31:23 +0200 (Fri, 30 Oct 2009) | 4 lines
  Changed paths:
     M /branches/5.1/handler/ha_innodb.cc
  
  branches/5.1:
  
  White-space fixup.
  
  ------------------------------------------------------------------------