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Code Activity

New SET syntax & system variables.

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Made a some new buffers thread specific and changeable.
Resize of key_buffer.
AUTO_COMMIT -> AUTOCOMMIT
Fixed mutex bug in DROP DATABASE
Fixed bug when using auto_increment as second part of a key where first part could include NULL.
Split handler->extra() to extra() and extra_opt() to be able to support thread specific buffers.
Don't write message to error log when slave reconnects becasue of timeout.
Fixed possible update problem when using DELETE/UPDATE on small tables
(In some cases we used index even if table scanning would be better)
A lot of minior code cleanups
This commit is contained in:
monty@mashka.mysql.fi
2002-07-23 18:31:22 +03:00
parent 373e19dca1
commit dddc20d9d1
146 changed files with 4346 additions and 2480 deletions
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12
sql/handler.h
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@@ -172,18 +172,13 @@ typedef struct st_ha_create_information
struct st_table;
typedef struct st_table TABLE;
extern ulong myisam_sort_buffer_size;
typedef struct st_ha_check_opt
{
ulong sort_buffer_size;
uint flags; /* isam layer flags (e.g. for myisamchk) */
uint sql_flags; /* sql layer flags - for something myisamchk cannot do */
inline void init()
{
flags= sql_flags= 0;
sort_buffer_size = myisam_sort_buffer_size;
}
void init();
} HA_CHECK_OPT;
class handler :public Sql_alloc
@@ -285,6 +280,10 @@ public:
virtual my_off_t row_position() { return HA_OFFSET_ERROR; }
virtual void info(uint)=0;
virtual int extra(enum ha_extra_function operation)=0;
virtual int extra_opt(enum ha_extra_function operation, ulong cache_size)
{
return extra(operation);
}
virtual int reset()=0;
virtual int external_lock(THD *thd, int lock_type)=0;
virtual void unlock_row() {}
@@ -367,6 +366,7 @@ int ha_create_table(const char *name, HA_CREATE_INFO *create_info,
int ha_delete_table(enum db_type db_type, const char *path);
void ha_drop_database(char* path);
void ha_key_cache(void);
void ha_resize_key_cache(void);
int ha_start_stmt(THD *thd);
int ha_report_binlog_offset_and_commit(THD *thd, char *log_file_name,
my_off_t end_offset);