merged

VC++Files/mysys/mysys.dsp:
  Auto merged
VC++Files/mysys/mysys_ia64.dsp:
  Auto merged
client/mysql.cc:
  Auto merged
include/my_sys.h:
  Auto merged
myisam/mi_check.c:
  Auto merged
myisam/myisamchk.c:
  Auto merged
mysql-test/mysql-test-run.pl:
  Auto merged
mysql-test/r/rpl_multi_delete2.result:
  Auto merged
mysql-test/t/innodb.test:
  Auto merged
mysql-test/t/rpl_multi_delete2-slave.opt:
  Auto merged
mysql-test/t/rpl_multi_delete2.test:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/opt_sum.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_parse.cc:
  Auto merged

2 files changed, 18 insertions, 0 deletions

diff --git a/include/my_sys.h b/include/my_sys.h
index 836b2a85528..2970f68805b 100644
--- a/include/my_sys.h
+++ b/include/my_sys.h
@@ -887,6 +887,9 @@ int my_security_attr_create(SECURITY_ATTRIBUTES **psa, const char **perror,
 
 void my_security_attr_free(SECURITY_ATTRIBUTES *sa);
 
+/* implemented in my_conio.c */
+char* my_cgets(char *string, unsigned long clen, unsigned long* plen);
+
 #endif
 #ifdef __NETWARE__
 void netware_reg_user(const char *ip, const char *user,
diff --git a/include/myisam.h b/include/myisam.h
index 03194fe42ae..6cc219de6e8 100644
--- a/include/myisam.h
+++ b/include/myisam.h
@@ -381,6 +381,20 @@ typedef struct st_sort_key_blocks		/* Used when sorting */
 } SORT_KEY_BLOCKS;
 
 
+/* 
+  MyISAM supports several statistics collection methods. Currently statistics 
+  collection method is not stored in MyISAM file and has to be specified for 
+  each table analyze/repair operation in  MI_CHECK::stats_method.
+*/
+
+typedef enum 
+{
+  /* Treat NULLs as inequal when collecting statistics (default for 4.1/5.0) */
+  MI_STATS_METHOD_NULLS_NOT_EQUAL=1,
+  /* Treat NULLs as equal when collecting statistics (like 4.0 did) */
+  MI_STATS_METHOD_NULLS_EQUAL
+} enum_mi_stats_method;
+
 typedef struct st_mi_check_param
 {
   ulonglong auto_increment_value;
@@ -411,6 +425,7 @@ typedef struct st_mi_check_param
   void *thd;
   const char *db_name, *table_name;
   const char *op_name;
+  enum_mi_stats_method stats_method;
 } MI_CHECK;
 
 typedef struct st_sort_ft_buf