Added applying of undo for updates

Fixed bug in duplicate key handling for block records during repair
All read-row methods now return error number in case of error
Don't calculate checksum for null fields
Fixed bug when running maria_read_log with -o


BUILD/SETUP.sh:
  Added STACK_DIRECTION
BUILD/compile-pentium-debug-max:
  Moved STACK_DIRECTION to SETUP
include/myisam.h:
  Added extra parameter to write_key
storage/maria/ma_blockrec.c:
  Added applying of undo for updates
  Fixed indentation
  Removed some not needed casts
  Fixed wrong logging of CLR record
  Split ma_update_block_record to two functions to be able to reuse it from undo-applying
  Simplify filling of packed fields
  ma_record_block_record) now returns error number on failure
  Sligtly changed log record information for undo-update
storage/maria/ma_check.c:
  Fixed bug in duplicate key handling for block records during repair
storage/maria/ma_checksum.c:
  Don't calculate checksum for null fields
storage/maria/ma_dynrec.c:
  _ma_read_dynamic_reocrd() now returns error number on error
  Rest of the changes are code simplification and indentation fixes
storage/maria/ma_locking.c:
  Added comment
storage/maria/ma_loghandler.c:
  More debugging
  Removed printing of total_record_length as this was always same as record_length
storage/maria/ma_open.c:
  Allocate bitmap for changed fields
storage/maria/ma_packrec.c:
  read_record now returns error number on error
storage/maria/ma_recovery.c:
  Fixed wrong arguments to undo_row_update
storage/maria/ma_statrec.c:
  read_record now returns error number on error (not 1)
  Code simplification
storage/maria/ma_test1.c:
  Added exit possibility after update phase (to test undo of updates)
storage/maria/maria_def.h:
  Include bitmap header file
storage/maria/maria_read_log.c:
  Fixed bug when running with -o

2 files changed, 4 insertions, 4 deletions

diff --git a/BUILD/SETUP.sh b/BUILD/SETUP.sh
index 6b3708f475f..429c0cd85b4 100755
--- a/BUILD/SETUP.sh
+++ b/BUILD/SETUP.sh
@@ -170,10 +170,10 @@ max_configs="$SSL_LIBRARY --with-plugins=max --with-embedded-server"
 # CPU and platform specific compilation flags.
 #
 alpha_cflags="$check_cpu_cflags -Wa,-m$cpu_flag"
-amd64_cflags="$check_cpu_cflags"
+amd64_cflags="$check_cpu_cflags  -DSTACK_DIRECTION=-1"
 amd64_cxxflags=""  # If dropping '--with-big-tables', add here  "-DBIG_TABLES"
-pentium_cflags="$check_cpu_cflags"
-pentium64_cflags="$check_cpu_cflags -m64"
+pentium_cflags="$check_cpu_cflags  -DSTACK_DIRECTION=-1"
+pentium64_cflags="$check_cpu_cflags -m64 -DSTACK_DIRECTION=-1"
 ppc_cflags="$check_cpu_cflags"
 sparc_cflags=""
 
diff --git a/BUILD/compile-pentium-debug-max b/BUILD/compile-pentium-debug-max
index 39d12a8320a..941a63a209f 100755
--- a/BUILD/compile-pentium-debug-max
+++ b/BUILD/compile-pentium-debug-max
@@ -4,7 +4,7 @@ path=`dirname $0`
 set -- "$@" --with-debug=full
 . "$path/SETUP.sh"
 
-extra_flags="$pentium_cflags $debug_cflags -DSTACK_DIRECTION=-1"
+extra_flags="$pentium_cflags $debug_cflags"
 extra_configs="$pentium_configs $debug_configs $max_configs $error_inject --with-experimental-collations"
 
 . "$path/FINISH.sh"