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Post-review fixes for

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Bug #18559 "log tables cannot change engine, and
            gets deadlocked when dropping w/ log on":
1) Add more generic error messages
2) Add new handlerton flag for engines, which support
   log tables
3) Remove (log-tables related) mutex lock in myisam to
   improve performance
This commit is contained in:
petr/cps@mysql.com/owlet.local
2006-09-15 13:07:23 +04:00
parent faad252336
commit f6663df6d8
8 changed files with 33 additions and 29 deletions
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sql/handler.h
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@@ -681,6 +681,7 @@ struct handlerton
#define HTON_FLUSH_AFTER_RENAME (1 << 4)
#define HTON_NOT_USER_SELECTABLE (1 << 5)
#define HTON_TEMPORARY_NOT_SUPPORTED (1 << 6) //Having temporary tables not supported
#define HTON_SUPPORT_LOG_TABLES (1 << 7) //Engine supports log tables
typedef struct st_thd_trans
{