Merge

BitKeeper/etc/ignore:
  auto-union
BUILD/autorun.sh:
  Auto merged
BitKeeper/deleted/.del-bdb.vcproj~ed8534936e40cefb:
  Auto merged
BitKeeper/deleted/.del-heap.vcproj~70c0cc1d680a51c1:
  Auto merged
BitKeeper/deleted/.del-innobase.vcproj~71e1de81f11138bf:
  Auto merged
BitKeeper/deleted/.del-myisam.vcproj~32bb9e4a163fcb5a:
  Auto merged
BitKeeper/deleted/.del-myisammrg.vcproj~6534e59acbfbb63:
  Auto merged
BitKeeper/deleted/.del-mysqld.vcproj~703886a28862bb2:
  Auto merged
Makefile.am:
  Auto merged
client/mysqltest.c:
  Auto merged
include/my_global.h:
  Auto merged
include/mysql_com.h:
  Auto merged
mysql-test/mysql-test-run.pl:
  Auto merged
mysql-test/r/ndb_alter_table.result:
  Auto merged
mysql-test/r/ps_6bdb.result:
  Auto merged
mysql-test/r/ps_7ndb.result:
  Auto merged
mysql-test/t/query_cache.test:
  Auto merged
mysys/default.c:
  Auto merged
scripts/make_win_src_distribution.sh:
  Auto merged
scripts/mysql_create_system_tables.sh:
  Auto merged
scripts/mysql_fix_privilege_tables.sql:
  Auto merged
sql/Makefile.am:
  Auto merged
sql/field.cc:
  Auto merged
sql/ha_berkeley.cc:
  Auto merged
sql/ha_berkeley.h:
  Auto merged
sql/ha_federated.cc:
  Auto merged
sql/ha_heap.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/ha_innodb.h:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/ha_myisammrg.cc:
  Auto merged
sql/ha_ndbcluster.h:
  Auto merged
sql/handler.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/item_subselect.cc:
  Auto merged
sql/log.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/opt_sum.cc:
  Auto merged
sql/repl_failsafe.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/sp.cc:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_acl.h:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_cache.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_delete.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_lex.h:
  Auto merged
sql/sql_load.cc:
  Auto merged
sql/sql_prepare.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_select.h:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_update.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
sql/table.h:
  Auto merged
sql/unireg.cc:
  Auto merged
storage/innobase/buf/buf0buf.c:
  Auto merged
storage/innobase/buf/buf0flu.c:
  Auto merged
storage/innobase/data/data0data.c:
  Auto merged
storage/innobase/dict/dict0dict.c:
  Auto merged
storage/innobase/include/btr0btr.h:
  Auto merged
storage/innobase/include/data0type.ic:
  Auto merged
storage/innobase/include/dict0dict.h:
  Auto merged
storage/innobase/include/dict0mem.h:
  Auto merged
storage/innobase/include/mem0mem.h:
  Auto merged
storage/innobase/include/mem0mem.ic:
  Auto merged
storage/innobase/include/os0file.h:
  Auto merged
storage/innobase/include/row0mysql.h:
  Auto merged
storage/innobase/include/trx0trx.h:
  Auto merged
storage/innobase/include/ut0mem.h:
  Auto merged
storage/innobase/mem/mem0mem.c:
  Auto merged
storage/innobase/os/os0file.c:
  Auto merged
storage/innobase/os/os0proc.c:
  Auto merged
storage/innobase/rem/rem0rec.c:
  Auto merged
storage/innobase/row/row0ins.c:
  Auto merged
storage/innobase/row/row0mysql.c:
  Auto merged
storage/innobase/srv/srv0start.c:
  Auto merged
storage/innobase/trx/trx0sys.c:
  Auto merged
storage/innobase/trx/trx0trx.c:
  Auto merged
storage/innobase/ut/ut0mem.c:
  Auto merged
storage/myisam/ft_boolean_search.c:
  Auto merged
storage/myisam/mi_check.c:
  Auto merged
storage/myisam/mi_dbug.c:
  Auto merged
storage/myisam/mi_delete.c:
  Auto merged
storage/myisam/mi_delete_all.c:
  Auto merged
storage/myisam/mi_key.c:
  Auto merged
storage/myisam/mi_open.c:
  Auto merged
storage/myisam/mi_rkey.c:
  Auto merged
storage/myisam/mi_search.c:
  Auto merged
storage/myisam/mi_test1.c:
  Auto merged
storage/myisam/mi_update.c:
  Auto merged
storage/myisam/mi_write.c:
  Auto merged
storage/myisam/myisamchk.c:
  Auto merged
storage/myisam/myisamdef.h:
  Auto merged
storage/myisam/myisampack.c:
  Auto merged
storage/myisam/sp_key.c:
  Auto merged
storage/myisammrg/myrg_rkey.c:
  Auto merged
storage/ndb/include/kernel/GlobalSignalNumbers.h:
  Auto merged
storage/ndb/include/kernel/signaldata/ApiVersion.hpp:
  Auto merged
storage/ndb/include/kernel/signaldata/EventReport.hpp:
  Auto merged
storage/ndb/include/kernel/signaldata/StopReq.hpp:
  Auto merged
storage/ndb/include/mgmapi/ndb_logevent.h:
  Auto merged
storage/ndb/include/ndbapi/NdbBlob.hpp:
  Auto merged
storage/ndb/include/ndbapi/NdbIndexOperation.hpp:
  Auto merged
storage/ndb/include/ndbapi/NdbIndexScanOperation.hpp:
  Auto merged
storage/ndb/include/ndbapi/NdbOperation.hpp:
  Auto merged
storage/ndb/include/ndbapi/NdbRecAttr.hpp:
  Auto merged
storage/ndb/include/ndbapi/NdbTransaction.hpp:
  Auto merged
storage/ndb/src/common/util/SimpleProperties.cpp:
  Auto merged
storage/ndb/src/kernel/blocks/backup/Backup.cpp:
  Auto merged
storage/ndb/src/kernel/blocks/dbdict/Dbdict.cpp:
  Auto merged
storage/ndb/src/kernel/blocks/dbdict/printSchemaFile.cpp:
  Auto merged
storage/ndb/src/kernel/blocks/dbtup/Dbtup.hpp:
  Auto merged
storage/ndb/src/kernel/blocks/dbtup/DbtupRoutines.cpp:
  Auto merged
storage/ndb/src/kernel/blocks/dbtup/DbtupTrigger.cpp:
  Auto merged
storage/ndb/src/kernel/blocks/ndbcntr/NdbcntrMain.cpp:
  Auto merged
storage/ndb/src/kernel/blocks/qmgr/QmgrMain.cpp:
  Auto merged
storage/ndb/src/mgmapi/ndb_logevent.cpp:
  Auto merged
storage/ndb/src/mgmclient/CommandInterpreter.cpp:
  Auto merged
storage/ndb/src/mgmsrv/Config.cpp:
  Auto merged
storage/ndb/src/mgmsrv/Config.hpp:
  Auto merged
storage/ndb/src/mgmsrv/ConfigInfo.cpp:
  Auto merged
storage/ndb/src/mgmsrv/InitConfigFileParser.cpp:
  Auto merged
storage/ndb/src/mgmsrv/InitConfigFileParser.hpp:
  Auto merged
storage/ndb/src/mgmsrv/MgmtSrvr.hpp:
  Auto merged
storage/ndb/src/mgmsrv/MgmtSrvrConfig.cpp:
  Auto merged
storage/ndb/src/mgmsrv/MgmtSrvrGeneralSignalHandling.cpp:
  Auto merged
storage/ndb/src/mgmsrv/Services.cpp:
  Auto merged
storage/ndb/src/mgmsrv/Services.hpp:
  Auto merged
storage/ndb/src/mgmsrv/main.cpp:
  Auto merged
storage/ndb/src/ndbapi/NdbApiSignal.cpp:
  Auto merged
storage/ndb/src/ndbapi/NdbApiSignal.hpp:
  Auto merged
storage/ndb/src/ndbapi/NdbBlob.cpp:
  Auto merged
storage/ndb/src/ndbapi/NdbImpl.hpp:
  Auto merged
storage/ndb/src/ndbapi/NdbRecAttr.cpp:
  Auto merged
storage/ndb/src/ndbapi/NdbUtil.cpp:
  Auto merged
storage/ndb/src/ndbapi/NdbUtil.hpp:
  Auto merged
storage/ndb/src/ndbapi/Ndbif.cpp:
  Auto merged
storage/ndb/src/ndbapi/Ndblist.cpp:
  Auto merged
storage/ndb/src/ndbapi/ObjectMap.hpp:
  Auto merged
storage/ndb/test/include/NDBT_Test.hpp:
  Auto merged
storage/ndb/test/ndbapi/bank/BankLoad.cpp:
  Auto merged
storage/ndb/test/ndbapi/testOIBasic.cpp:
  Auto merged
storage/ndb/test/src/HugoCalculator.cpp:
  Auto merged
storage/ndb/test/src/NDBT_Test.cpp:
  Auto merged
storage/ndb/test/src/NdbBackup.cpp:
  Auto merged
storage/ndb/test/src/NdbRestarts.cpp:
  Auto merged
storage/ndb/tools/ndb_condig.cpp:
  Auto merged
storage/ndb/tools/restore/Restore.cpp:
  Auto merged
storage/ndb/tools/restore/consumer_restore.cpp:
  Auto merged
support-files/mysql.spec.sh:
  Auto merged
configure.in:
  merge
BUILD/SETUP.sh:
  merge
BitKeeper/deleted/.del-mysql.sln~f2120278f8a437be:
  SCCS merged
libmysqld/Makefile.am:
  merge
sql/ha_ndbcluster.cc:
  merge
sql/handler.h:
  merge
sql/mysqld.cc:
  merge
sql/opt_range.cc:
  merge
sql/slave.cc:
  merge
sql/slave.h:
  e
  merge
sql/sql_parse.cc:
  merge
sql/table.cc:
  merge
sql/examples/ha_tina.cc:
  merge
sql/examples/ha_tina.h:
  merge
sql/share/errmsg.txt:
  merge
storage/ndb/include/ndbapi/Ndb.hpp:
  merge
storage/ndb/src/common/debugger/EventLogger.cpp:
  merge
storage/ndb/src/kernel/blocks/dbdict/Makefile.am:
  merge
storage/ndb/src/mgmsrv/MgmtSrvr.cpp:
  merge
storage/ndb/src/ndbapi/Ndbinit.cpp:
  SCCS merged

1 files changed, 27 insertions, 3 deletions

diff --git a/storage/myisam/myisamchk.c b/storage/myisam/myisamchk.c
index 78ae756bf7c..a90495e5fcb 100644
--- a/storage/myisam/myisamchk.c
+++ b/storage/myisam/myisamchk.c
@@ -67,6 +67,7 @@ static const char *field_pack[]=
  "no zeros", "blob", "constant", "table-lockup",
  "always zero","varchar","unique-hash","?","?"};
 
+static const char *myisam_stats_method_str="nulls_unequal";
 
 static void get_options(int *argc,char * * *argv);
 static void print_version(void);
@@ -155,7 +156,7 @@ enum options_mc {
   OPT_READ_BUFFER_SIZE, OPT_WRITE_BUFFER_SIZE, OPT_SORT_BUFFER_SIZE,
   OPT_SORT_KEY_BLOCKS, OPT_DECODE_BITS, OPT_FT_MIN_WORD_LEN,
   OPT_FT_MAX_WORD_LEN, OPT_FT_STOPWORD_FILE,
-  OPT_MAX_RECORD_LENGTH, OPT_AUTO_CLOSE
+  OPT_MAX_RECORD_LENGTH, OPT_AUTO_CLOSE, OPT_STATS_METHOD
 };
 
 static struct my_option my_long_options[] =
@@ -336,6 +337,11 @@ static struct my_option my_long_options[] =
     "Use stopwords from this file instead of built-in list.",
     (gptr*) &ft_stopword_file, (gptr*) &ft_stopword_file, 0, GET_STR,
     REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
+  {"stats_method", OPT_STATS_METHOD,
+   "Specifies how index statistics collection code should threat NULLs. "
+   "Possible values of name are \"nulls_unequal\" (default behavior for 4.1/5.0), and \"nulls_equal\" (emulate 4.0 behavior).",
+   (gptr*) &myisam_stats_method_str, (gptr*) &myisam_stats_method_str, 0,
+    GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
   { 0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
 };
 
@@ -465,6 +471,12 @@ static void usage(void)
 
 #include <help_end.h>
 
+const char *myisam_stats_method_names[] = {"nulls_unequal", "nulls_equal",
+                                           NullS};
+TYPELIB myisam_stats_method_typelib= {
+  array_elements(myisam_stats_method_names) - 1, "",
+  myisam_stats_method_names, NULL};
+
 	 /* Read options */
 
 static my_bool
@@ -684,6 +696,18 @@ get_one_option(int optid,
     else
       check_param.testflag|= T_CALC_CHECKSUM;
     break;
+  case OPT_STATS_METHOD:
+  {
+    int method;
+    myisam_stats_method_str= argument;
+    if ((method=find_type(argument, &myisam_stats_method_typelib, 2)) <= 0)
+    {
+      fprintf(stderr, "Invalid value of stats_method: %s.\n", argument);
+      exit(1);
+    }
+    check_param.stats_method= (enum_mi_stats_method) (method-1);
+    break;
+  }
 #ifdef DEBUG					/* Only useful if debugging */
   case OPT_START_CHECK_POS:
     check_param.start_check_pos= strtoull(argument, NULL, 0);
@@ -1237,7 +1261,7 @@ static void descript(MI_CHECK *param, register MI_INFO *info, my_string name)
 	     share->base.raid_chunksize);
     }
     if (share->options & (HA_OPTION_CHECKSUM | HA_OPTION_COMPRESS_RECORD))
-      printf("Checksum:  %23s\n",llstr(info->s->state.checksum,llbuff));
+      printf("Checksum:  %23s\n",llstr(info->state->checksum,llbuff));
 ;
     if (share->options & HA_OPTION_DELAY_KEY_WRITE)
       printf("Keys are only flushed at close\n");
@@ -1552,7 +1576,7 @@ static int mi_sort_records(MI_CHECK *param,
   old_record_count=info->state->records;
   info->state->records=0;
   if (sort_info.new_data_file_type != COMPRESSED_RECORD)
-    share->state.checksum=0;
+    info->state->checksum=0;
 
   if (sort_record_index(&sort_param,info,keyinfo,share->state.key_root[sort_key],
 			temp_buff, sort_key,new_file,update_index) ||