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test
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@slederer
slederer committed Jul 22, 2011
1 parent ca88622 commit 4a24beb
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107 changes: 107 additions & 0 deletions Debug/src/mysql/decimal.h
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/* Copyright (C) 2000 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */

#ifndef _decimal_h
#define _decimal_h

typedef enum
{TRUNCATE=0, HALF_EVEN, HALF_UP, CEILING, FLOOR}
decimal_round_mode;
typedef int32 decimal_digit_t;

typedef struct st_decimal_t {
int intg, frac, len;
my_bool sign;
decimal_digit_t *buf;
} decimal_t;

int internal_str2dec(const char *from, decimal_t *to, char **end,
my_bool fixed);
int decimal2string(decimal_t *from, char *to, int *to_len,
int fixed_precision, int fixed_decimals,
char filler);
int decimal2ulonglong(decimal_t *from, ulonglong *to);
int ulonglong2decimal(ulonglong from, decimal_t *to);
int decimal2longlong(decimal_t *from, longlong *to);
int longlong2decimal(longlong from, decimal_t *to);
int decimal2double(decimal_t *from, double *to);
int double2decimal(double from, decimal_t *to);
int decimal_actual_fraction(decimal_t *from);
int decimal2bin(decimal_t *from, uchar *to, int precision, int scale);
int bin2decimal(const uchar *from, decimal_t *to, int precision, int scale);

int decimal_size(int precision, int scale);
int decimal_bin_size(int precision, int scale);
int decimal_result_size(decimal_t *from1, decimal_t *from2, char op,
int param);

int decimal_intg(decimal_t *from);
int decimal_add(decimal_t *from1, decimal_t *from2, decimal_t *to);
int decimal_sub(decimal_t *from1, decimal_t *from2, decimal_t *to);
int decimal_cmp(decimal_t *from1, decimal_t *from2);
int decimal_mul(decimal_t *from1, decimal_t *from2, decimal_t *to);
int decimal_div(decimal_t *from1, decimal_t *from2, decimal_t *to,
int scale_incr);
int decimal_mod(decimal_t *from1, decimal_t *from2, decimal_t *to);
int decimal_round(decimal_t *from, decimal_t *to, int new_scale,
decimal_round_mode mode);
int decimal_is_zero(decimal_t *from);
void max_decimal(int precision, int frac, decimal_t *to);

#define string2decimal(A,B,C) internal_str2dec((A), (B), (C), 0)
#define string2decimal_fixed(A,B,C) internal_str2dec((A), (B), (C), 1)

/* set a decimal_t to zero */

#define decimal_make_zero(dec) do { \
(dec)->buf[0]=0; \
(dec)->intg=1; \
(dec)->frac=0; \
(dec)->sign=0; \
} while(0)

/*
returns the length of the buffer to hold string representation
of the decimal (including decimal dot, possible sign and \0)
*/

#define decimal_string_size(dec) (((dec)->intg ? (dec)->intg : 1) + \
(dec)->frac + ((dec)->frac > 0) + 2)

/* negate a decimal */
#define decimal_neg(dec) do { (dec)->sign^=1; } while(0)

/*
conventions:
decimal_smth() == 0 -- everything's ok
decimal_smth() <= 1 -- result is usable, but precision loss is possible
decimal_smth() <= 2 -- result can be unusable, most significant digits
could've been lost
decimal_smth() > 2 -- no result was generated
*/

#define E_DEC_OK 0
#define E_DEC_TRUNCATED 1
#define E_DEC_OVERFLOW 2
#define E_DEC_DIV_ZERO 4
#define E_DEC_BAD_NUM 8
#define E_DEC_OOM 16

#define E_DEC_ERROR 31
#define E_DEC_FATAL_ERROR 30

#endif

102 changes: 102 additions & 0 deletions Debug/src/mysql/errmsg.h
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/* Copyright (C) 2000 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */

/* Error messages for MySQL clients */
/* (Error messages for the daemon are in sql/share/errmsg.txt) */

#ifdef __cplusplus
extern "C" {
#endif
void init_client_errs(void);
void finish_client_errs(void);
extern const char *client_errors[]; /* Error messages */
#ifdef __cplusplus
}
#endif

#define CR_MIN_ERROR 2000 /* For easier client code */
#define CR_MAX_ERROR 2999
#if !defined(ER)
#define ER(X) client_errors[(X)-CR_MIN_ERROR]
#endif
#define CLIENT_ERRMAP 2 /* Errormap used by my_error() */

/* Do not add error numbers before CR_ERROR_FIRST. */
/* If necessary to add lower numbers, change CR_ERROR_FIRST accordingly. */
#define CR_ERROR_FIRST 2000 /*Copy first error nr.*/
#define CR_UNKNOWN_ERROR 2000
#define CR_SOCKET_CREATE_ERROR 2001
#define CR_CONNECTION_ERROR 2002
#define CR_CONN_HOST_ERROR 2003
#define CR_IPSOCK_ERROR 2004
#define CR_UNKNOWN_HOST 2005
#define CR_SERVER_GONE_ERROR 2006
#define CR_VERSION_ERROR 2007
#define CR_OUT_OF_MEMORY 2008
#define CR_WRONG_HOST_INFO 2009
#define CR_LOCALHOST_CONNECTION 2010
#define CR_TCP_CONNECTION 2011
#define CR_SERVER_HANDSHAKE_ERR 2012
#define CR_SERVER_LOST 2013
#define CR_COMMANDS_OUT_OF_SYNC 2014
#define CR_NAMEDPIPE_CONNECTION 2015
#define CR_NAMEDPIPEWAIT_ERROR 2016
#define CR_NAMEDPIPEOPEN_ERROR 2017
#define CR_NAMEDPIPESETSTATE_ERROR 2018
#define CR_CANT_READ_CHARSET 2019
#define CR_NET_PACKET_TOO_LARGE 2020
#define CR_EMBEDDED_CONNECTION 2021
#define CR_PROBE_SLAVE_STATUS 2022
#define CR_PROBE_SLAVE_HOSTS 2023
#define CR_PROBE_SLAVE_CONNECT 2024
#define CR_PROBE_MASTER_CONNECT 2025
#define CR_SSL_CONNECTION_ERROR 2026
#define CR_MALFORMED_PACKET 2027
#define CR_WRONG_LICENSE 2028

/* new 4.1 error codes */
#define CR_NULL_POINTER 2029
#define CR_NO_PREPARE_STMT 2030
#define CR_PARAMS_NOT_BOUND 2031
#define CR_DATA_TRUNCATED 2032
#define CR_NO_PARAMETERS_EXISTS 2033
#define CR_INVALID_PARAMETER_NO 2034
#define CR_INVALID_BUFFER_USE 2035
#define CR_UNSUPPORTED_PARAM_TYPE 2036

#define CR_SHARED_MEMORY_CONNECTION 2037
#define CR_SHARED_MEMORY_CONNECT_REQUEST_ERROR 2038
#define CR_SHARED_MEMORY_CONNECT_ANSWER_ERROR 2039
#define CR_SHARED_MEMORY_CONNECT_FILE_MAP_ERROR 2040
#define CR_SHARED_MEMORY_CONNECT_MAP_ERROR 2041
#define CR_SHARED_MEMORY_FILE_MAP_ERROR 2042
#define CR_SHARED_MEMORY_MAP_ERROR 2043
#define CR_SHARED_MEMORY_EVENT_ERROR 2044
#define CR_SHARED_MEMORY_CONNECT_ABANDONED_ERROR 2045
#define CR_SHARED_MEMORY_CONNECT_SET_ERROR 2046
#define CR_CONN_UNKNOW_PROTOCOL 2047
#define CR_INVALID_CONN_HANDLE 2048
#define CR_SECURE_AUTH 2049
#define CR_FETCH_CANCELED 2050
#define CR_NO_DATA 2051
#define CR_NO_STMT_METADATA 2052
#define CR_NO_RESULT_SET 2053
#define CR_NOT_IMPLEMENTED 2054
#define CR_SERVER_LOST_EXTENDED 2055
#define CR_STMT_CLOSED 2056
#define CR_NEW_STMT_METADATA 2057
#define CR_ERROR_LAST /*Copy last error nr:*/ 2057
/* Add error numbers before CR_ERROR_LAST and change it accordingly. */

143 changes: 143 additions & 0 deletions Debug/src/mysql/keycache.h
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/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */

/* Key cache variable structures */

#ifndef _keycache_h
#define _keycache_h
C_MODE_START

/* declare structures that is used by st_key_cache */

struct st_block_link;
typedef struct st_block_link BLOCK_LINK;
struct st_keycache_page;
typedef struct st_keycache_page KEYCACHE_PAGE;
struct st_hash_link;
typedef struct st_hash_link HASH_LINK;

/* info about requests in a waiting queue */
typedef struct st_keycache_wqueue
{
struct st_my_thread_var *last_thread; /* circular list of waiting threads */
} KEYCACHE_WQUEUE;

#define CHANGED_BLOCKS_HASH 128 /* must be power of 2 */

/*
The key cache structure
It also contains read-only statistics parameters.
*/

typedef struct st_key_cache
{
my_bool key_cache_inited;
my_bool in_resize; /* true during resize operation */
my_bool resize_in_flush; /* true during flush of resize operation */
my_bool can_be_used; /* usage of cache for read/write is allowed */
size_t key_cache_mem_size; /* specified size of the cache memory */
uint key_cache_block_size; /* size of the page buffer of a cache block */
ulong min_warm_blocks; /* min number of warm blocks; */
ulong age_threshold; /* age threshold for hot blocks */
ulonglong keycache_time; /* total number of block link operations */
uint hash_entries; /* max number of entries in the hash table */
int hash_links; /* max number of hash links */
int hash_links_used; /* number of hash links currently used */
int disk_blocks; /* max number of blocks in the cache */
ulong blocks_used; /* maximum number of concurrently used blocks */
ulong blocks_unused; /* number of currently unused blocks */
ulong blocks_changed; /* number of currently dirty blocks */
ulong warm_blocks; /* number of blocks in warm sub-chain */
ulong cnt_for_resize_op; /* counter to block resize operation */
long blocks_available; /* number of blocks available in the LRU chain */
HASH_LINK **hash_root; /* arr. of entries into hash table buckets */
HASH_LINK *hash_link_root; /* memory for hash table links */
HASH_LINK *free_hash_list; /* list of free hash links */
BLOCK_LINK *free_block_list; /* list of free blocks */
BLOCK_LINK *block_root; /* memory for block links */
uchar HUGE_PTR *block_mem; /* memory for block buffers */
BLOCK_LINK *used_last; /* ptr to the last block of the LRU chain */
BLOCK_LINK *used_ins; /* ptr to the insertion block in LRU chain */
pthread_mutex_t cache_lock; /* to lock access to the cache structure */
KEYCACHE_WQUEUE resize_queue; /* threads waiting during resize operation */
/*
Waiting for a zero resize count. Using a queue for symmetry though
only one thread can wait here.
*/
KEYCACHE_WQUEUE waiting_for_resize_cnt;
KEYCACHE_WQUEUE waiting_for_hash_link; /* waiting for a free hash link */
KEYCACHE_WQUEUE waiting_for_block; /* requests waiting for a free block */
BLOCK_LINK *changed_blocks[CHANGED_BLOCKS_HASH]; /* hash for dirty file bl.*/
BLOCK_LINK *file_blocks[CHANGED_BLOCKS_HASH]; /* hash for other file bl.*/

/*
The following variables are and variables used to hold parameters for
initializing the key cache.
*/

ulonglong param_buff_size; /* size the memory allocated for the cache */
ulong param_block_size; /* size of the blocks in the key cache */
ulong param_division_limit; /* min. percentage of warm blocks */
ulong param_age_threshold; /* determines when hot block is downgraded */

/* Statistics variables. These are reset in reset_key_cache_counters(). */
ulong global_blocks_changed; /* number of currently dirty blocks */
ulonglong global_cache_w_requests;/* number of write requests (write hits) */
ulonglong global_cache_write; /* number of writes from cache to files */
ulonglong global_cache_r_requests;/* number of read requests (read hits) */
ulonglong global_cache_read; /* number of reads from files to cache */

int blocks; /* max number of blocks in the cache */
my_bool in_init; /* Set to 1 in MySQL during init/resize */
} KEY_CACHE;

/* The default key cache */
extern KEY_CACHE dflt_key_cache_var, *dflt_key_cache;

extern int init_key_cache(KEY_CACHE *keycache, uint key_cache_block_size,
size_t use_mem, uint division_limit,
uint age_threshold);
extern int resize_key_cache(KEY_CACHE *keycache, uint key_cache_block_size,
size_t use_mem, uint division_limit,
uint age_threshold);
extern void change_key_cache_param(KEY_CACHE *keycache, uint division_limit,
uint age_threshold);
extern uchar *key_cache_read(KEY_CACHE *keycache,
File file, my_off_t filepos, int level,
uchar *buff, uint length,
uint block_length,int return_buffer);
extern int key_cache_insert(KEY_CACHE *keycache,
File file, my_off_t filepos, int level,
uchar *buff, uint length);
extern int key_cache_write(KEY_CACHE *keycache,
File file, my_off_t filepos, int level,
uchar *buff, uint length,
uint block_length,int force_write);
extern int flush_key_blocks(KEY_CACHE *keycache,
int file, enum flush_type type);
extern void end_key_cache(KEY_CACHE *keycache, my_bool cleanup);

/* Functions to handle multiple key caches */
extern my_bool multi_keycache_init(void);
extern void multi_keycache_free(void);
extern KEY_CACHE *multi_key_cache_search(uchar *key, uint length);
extern my_bool multi_key_cache_set(const uchar *key, uint length,
KEY_CACHE *key_cache);
extern void multi_key_cache_change(KEY_CACHE *old_data,
KEY_CACHE *new_data);
extern int reset_key_cache_counters(const char *name,
KEY_CACHE *key_cache);
C_MODE_END
#endif /* _keycache_h */
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