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BUG#12232: Add a server option to treat NULL values as equal when calculating MyISAM index

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statistics (like 4.0 did) (patch #3, with review #1 & #2 feedback addressed)


include/myisam.h:
  BUG#12232: Add a server option to treat NULL values as equal when calculating MyISAM index statistics
myisam/mi_check.c:
  BUG#12232: Add a server option to treat NULL values as equal when calculating MyISAM index statistics
myisam/myisamchk.c:
  BUG#12232: Add a server option to treat NULL values as equal when calculating MyISAM index statistics
mysql-test/r/myisam.result:
  BUG#12232: Add a server option to treat NULL values as equal when calculating MyISAM index statistics
mysql-test/t/myisam.test:
  BUG#12232: Add a server option to treat NULL values as equal when calculating MyISAM index statistics
sql/ha_myisam.cc:
  BUG#12232: Add a server option to treat NULL values as equal when calculating MyISAM index statistics
sql/handler.h:
  BUG#12232: Add a server option to treat NULL values as equal when calculating MyISAM index statistics
sql/mysqld.cc:
  BUG#12232: Add a server option to treat NULL values as equal when calculating MyISAM index statistics
sql/set_var.cc:
  BUG#12232: Add a server option to treat NULL values as equal when calculating MyISAM index statistics
sql/sql_class.h:
  BUG#12232: Add a server option to treat NULL values as equal when calculating MyISAM index statistics
This commit is contained in:
unknown 2005-09-21 02:18:29 +04:00
commit a2a8216b20
10 changed files with 215 additions and 14 deletions
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1
sql/handler.h
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@ -522,6 +522,7 @@ public:
extern struct show_table_type_st sys_table_types[];
extern const char *ha_row_type[];
extern TYPELIB tx_isolation_typelib;
extern TYPELIB myisam_stats_method_typelib;
/* Wrapper functions */
#define ha_commit_stmt(thd) (ha_commit_trans((thd), &((thd)->transaction.stmt)))