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Merge bk-internal:/home/bk/mysql-4.1/

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into serg.mylan:/usr/home/serg/Abk/mysql-4.1
This commit is contained in:
serg@serg.mylan
2003-10-31 10:34:34 +01:00
parent e5d6035188 906ad716cc
commit 74551a72ec
63 changed files with 2969 additions and 874 deletions
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4
include/my_base.h
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@@ -46,6 +46,7 @@
#define HA_OPEN_DELAY_KEY_WRITE 8 /* Don't update index */
#define HA_OPEN_ABORT_IF_CRASHED 16
#define HA_OPEN_FOR_REPAIR 32 /* open even if crashed */
#define HA_OPEN_TO_ASSIGN 64 /* Open for key cache assignment */
/* The following is parameter to ha_rkey() how to use key */
@@ -131,7 +132,8 @@ enum ha_extra_function {
current query id */
HA_EXTRA_PREPARE_FOR_DELETE,
HA_EXTRA_PREPARE_FOR_UPDATE, /* Remove read cache if problems */
HA_EXTRA_PRELOAD_BUFFER_SIZE /* Set buffer size for preloading */
HA_EXTRA_PRELOAD_BUFFER_SIZE, /* Set buffer size for preloading */
HA_EXTRA_SET_KEY_CACHE /* Set ref to assigned key cache */
};
/* The following is parameter to ha_panic() */

3
include/my_global.h
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@@ -558,6 +558,9 @@ typedef SOCKET_SIZE_TYPE size_socket;
#define RECORD_CACHE_SIZE (uint) (64*1024-MALLOC_OVERHEAD)
/* Typical key cash */
#define KEY_CACHE_SIZE (uint) (8*1024*1024-MALLOC_OVERHEAD)
/* Default size of a key cache block */
#define KEY_CACHE_BLOCK_SIZE (uint) 1024
/* Some things that this system doesn't have */

73
include/my_sys.h
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@@ -111,8 +111,6 @@ extern int NEAR my_errno; /* Last error in mysys */
#define MY_WAIT_FOR_USER_TO_FIX_PANIC 60 /* in seconds */
#define MY_WAIT_GIVE_USER_A_MESSAGE 10 /* Every 10 times of prev */
#define MIN_COMPRESS_LENGTH 50 /* Don't compress small bl. */
#define DEFAULT_KEYCACHE_BLOCK_SIZE 1024
#define MAX_KEYCACHE_BLOCK_SIZE 16384
/* root_alloc flags */
#define MY_KEEP_PREALLOC 1
@@ -267,7 +265,8 @@ enum cache_type
enum flush_type
{
FLUSH_KEEP, FLUSH_RELEASE, FLUSH_IGNORE_CHANGED, FLUSH_FORCE_WRITE
FLUSH_KEEP, FLUSH_RELEASE, FLUSH_IGNORE_CHANGED, FLUSH_FORCE_WRITE,
FLUSH_REMOVE
};
typedef struct st_record_cache /* Used when cacheing records */
@@ -504,14 +503,46 @@ my_off_t my_b_append_tell(IO_CACHE* info);
#define my_b_bytes_in_cache(info) (uint) (*(info)->current_end - \
*(info)->current_pos)
/* key_cache_variables */
typedef struct st_keycache
{
ulonglong size;
} KEY_CACHE;
typedef uint32 ha_checksum;
/* Pointer to a key cache data structure (see the key cache module) */
typedef struct st_key_cache* KEY_CACHE_HANDLE;
/* Key cache variable structure */
/*
The structure contains the parameters of a key cache that can
be set and undated by regular set global statements.
It also contains read-only statistics parameters.
If the corresponding key cache data structure has been already
created the variable contains the key cache handle.
The variables are put into a named list called key_caches.
At present the variables are only added to this list.
*/
typedef struct st_key_cache_var
{
ulonglong buff_size; /* size the memory allocated for the cache */
ulong block_size; /* size of the blocks in the key cache */
ulong division_limit; /* min. percentage of warm blocks */
ulong age_threshold; /* determines when hot block is downgraded */
KEY_CACHE_HANDLE cache; /* handles for the current and registered */
ulong blocks_used; /* number of currently used blocks */
ulong blocks_changed; /* number of currently dirty blocks */
ulong cache_w_requests; /* number of write requests (write hits) */
ulong cache_write; /* number of writes from the cache to files */
ulong cache_r_requests; /* number of read requests (read hits) */
ulong cache_read; /* number of reads from files to the cache */
int blocks; /* max number of blocks in the cache */
struct st_key_cache_asmt *assign_list; /* list of assignments to the cache */
int assignments; /* number of not completed assignments */
void (*action)(void *); /* optional call back function */
void *extra_info; /* ptr to extra info */
} KEY_CACHE_VAR;
#define DEFAULT_KEY_CACHE_NAME "default"
extern KEY_CACHE_HANDLE *dflt_keycache;
extern KEY_CACHE_VAR dflt_key_cache_var;
#define DFLT_INIT_HITS 3
#include <my_alloc.h>
/* Prototypes for mysys and my_func functions */
@@ -650,16 +681,26 @@ extern int flush_write_cache(RECORD_CACHE *info);
extern long my_clock(void);
extern sig_handler sigtstp_handler(int signal_number);
extern void handle_recived_signals(void);
extern int init_key_cache(ulong use_mem);
extern int resize_key_cache(ulong use_mem);
extern byte *key_cache_read(File file,my_off_t filepos,byte* buff,uint length,
extern int init_key_cache(KEY_CACHE_HANDLE *pkeycache,
uint key_cache_block_size,
ulong use_mem, KEY_CACHE_VAR* env);
extern int resize_key_cache(KEY_CACHE_HANDLE *pkeycache,
uint key_cache_block_size, ulong use_mem);
extern void change_key_cache_param(KEY_CACHE_HANDLE keycache);
extern byte *key_cache_read(KEY_CACHE_HANDLE keycache,
File file, my_off_t filepos, int level,
byte* buff, uint length,
uint block_length,int return_buffer);
extern int key_cache_insert(File file, my_off_t filepos,
extern int key_cache_insert(KEY_CACHE_HANDLE keycache,
File file, my_off_t filepos, int level,
byte *buff, uint length);
extern int key_cache_write(File file,my_off_t filepos,byte* buff,uint length,
extern int key_cache_write(KEY_CACHE_HANDLE keycache,
File file, my_off_t filepos, int level,
byte* buff, uint length,
uint block_length,int force_write);
extern int flush_key_blocks(int file, enum flush_type type);
extern void end_key_cache(void);
extern int flush_key_blocks(KEY_CACHE_HANDLE keycache,
int file, enum flush_type type);
extern void end_key_cache(KEY_CACHE_HANDLE *pkeycache,my_bool cleanup);
extern sig_handler my_set_alarm_variable(int signo);
extern void my_string_ptr_sort(void *base,uint items,size_s size);
extern void radixsort_for_str_ptr(uchar* base[], uint number_of_elements,

3
include/myisam.h
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@@ -408,6 +408,9 @@ my_bool mi_test_if_sort_rep(MI_INFO *info, ha_rows rows, ulonglong key_map,
int mi_init_bulk_insert(MI_INFO *info, ulong cache_size, ha_rows rows);
void mi_flush_bulk_insert(MI_INFO *info, uint inx);
void mi_end_bulk_insert(MI_INFO *info);
int mi_assign_to_keycache(MI_INFO *info, ulonglong key_map,
KEY_CACHE_VAR *key_cache,
pthread_mutex_t *assign_lock);
int mi_preload(MI_INFO *info, ulonglong key_map, my_bool ignore_leaves);
#ifdef __cplusplus