Merge revisions 2837:2852 from branches/5.1:

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  r2849 | sunny | 2008-10-22 12:01:18 +0300 (Wed, 22 Oct 2008) | 8 lines
  Changed paths:
     M /branches/5.1/handler/ha_innodb.cc
     M /branches/5.1/include/row0mysql.h
     M /branches/5.1/row/row0mysql.c
  
  branches/5.1: Return the actual error code encountered when allocating
  a new autoinc value. The change in behavior (bug) was introduced in 5.1.22
  when we introduced the new AUTOINC locking model.
  
  rb://31
  
  Bug#40224 New AUTOINC changes mask reporting of deadlock/timeout errors
  
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  r2852 | sunny | 2008-10-23 01:42:24 +0300 (Thu, 23 Oct 2008) | 9 lines
  Changed paths:
     M /branches/5.1/handler/ha_innodb.cc
     M /branches/5.1/handler/ha_innodb.h
  
  branches/5.1: Backport r2724 from branches/zip
  
  Check column value against the col max value before updating the table's
  global autoinc counter value. This is part of simplifying the AUTOINC
  sub-system. We extract the type info from MySQL data structures at runtime.
  
  This fixes Bug#37788 InnoDB Plugin: AUTO_INCREMENT wrong for compressed tables
  
  
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