This is a merge of 5.0 -> 5.1 + some code from old 5.1 tree to get all tests to work and keep the .frm format the same as the old 5.1 tree.


BitKeeper/etc/ignore:
  added libmysqld/sql_plugin.cc
include/Makefile.am:
  Added plugin.hd
include/m_ctype.h:
  Added my_strchr
include/my_base.h:
  Added HA_USES_PARSER
  Merge with old 5.1 tree
libmysqld/Makefile.am:
  Added sql_plugin.cc
mysql-test/r/ndb_gis.result:
  Fixed results after merge
sql/Makefile.am:
  Addes sql_plugin.h and sql_plugin.cc
sql/ha_heap.h:
  Indentation fix
sql/ha_partition.cc:
  Made partition_hton visible outside
  After merge fixes (for call to get_new_handler)
sql/handler.cc:
  Added partition_hton to handlerton
sql/handler.h:
  Added partion to handlerton
  Updated mysql_unpack_partion() from old 5.1 tree
sql/mysql_priv.h:
  Added sql_plugin.h
sql/records.cc:
  After merge fix
sql/share/errmsg.txt:
  Added new errors messages from old 5.1 tree
sql/sql_partition.cc:
  Removed compiler warnings
  Updated mysql_unpack_partition() from latest 5.1 tree
sql/structs.h:
  Update KEY from latest 5.1 tree (to get table.cc to compile)
sql/table.cc:
  Merged .frm format from 5.0, new 5.1 and old 5.1 tree
  (We now use same format as the old 5.1 tree)
  Note that this patch includes code for HA_USE_PARSER which is not usable until rest of 5.1 tree is restored
sql/unireg.cc:
  Merged .frm format from 5.0, new 5.1 and old 5.1 tree
  (We now use same format as the old 5.1 tree)
  Note that this patch includes code for HA_USE_PARSER which is not usable until rest of 5.1 tree is restored
strings/Makefile.am:
  Added my_strchr.c
include/plugin.h:
  New BitKeeper file ``include/plugin.h''
sql/sql_plugin.cc:
  New BitKeeper file ``sql/sql_plugin.cc''
sql/sql_plugin.h:
  New BitKeeper file ``sql/sql_plugin.h''
strings/my_strchr.c:
  New BitKeeper file ``strings/my_strchr.c''