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mariadb/sql/mysql_priv.h
unknown 09b4480ed1 Merge jcole@work.mysql.com:/home/bk/mysql 
into tetra.spaceapes.com:/usr/home/jcole/bk/mysql


BitKeeper/etc/logging_ok:
  Auto merged
Docs/manual.texi:
  Auto merged
sql/mysql_priv.h:
  Auto merged
2000-11-11 23:27:23 -06:00

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/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult 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; either version 2 of the License, or
(at your option) any later version.
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 _MYSQL_PRIV_H
#define _MYSQL_PRIV_H
#include <global.h>
#include <my_sys.h>
#include <m_string.h>
#include "mysql_version.h"
#include <hash.h>
#include <signal.h>
#include <thr_lock.h>
#include <my_base.h> /* Needed by field.h */
#include <violite.h>
typedef ulong table_map; /* Used for table bits in join */
typedef ulong key_map; /* Used for finding keys */
typedef ulong key_part_map; /* Used for finding key parts */
#include "mysql_com.h"
#include "unireg.h"
void init_sql_alloc(MEM_ROOT *root, uint block_size, uint pre_alloc_size);
gptr sql_alloc(unsigned size);
gptr sql_calloc(unsigned size);
char *sql_strdup(const char *str);
char *sql_strmake(const char *str,uint len);
gptr sql_memdup(const void * ptr,unsigned size);
void sql_element_free(void *ptr);
void kill_one_thread(THD *thd, ulong id);
#define x_free(A) { my_free((gptr) (A),MYF(MY_WME | MY_FAE | MY_ALLOW_ZERO_PTR)); }
#define safeFree(x) { if(x) { my_free((gptr) x,MYF(0)); x = NULL; } }
#define PREV_BITS(type,A) ((type) (((type) 1 << (A)) -1))
#define all_bits_set(A,B) ((A) & (B) != (B))
#ifndef LL
#ifdef HAVE_LONG_LONG
#define LL(A) A ## LL
#else
#define LL(A) A ## L
#endif
#endif
/***************************************************************************
Configuration parameters
****************************************************************************/
#define ACL_CACHE_SIZE 256
#define HASH_PASSWORD_LENGTH 16
#define HOST_CACHE_SIZE 128
#define MAX_ACCEPT_RETRY 10 // Test accept this many times
#define MAX_BLOB_WIDTH 8192 // Default width for blob
#define MAX_FIELDS_BEFORE_HASH 32
#define USER_VARS_HASH_SIZE 16
#define STACK_MIN_SIZE 8192 // Abort if less stack during eval.
#ifndef MYSQLD_NET_RETRY_COUNT
#define MYSQLD_NET_RETRY_COUNT 10 // Abort read after this many int.
#endif
/* The following parameters is to decide when to use an extra cache to
optimise seeks when reading a big table in sorted order */
#define MIN_FILE_LENGTH_TO_USE_ROW_CACHE (16L*1024*1024)
#define MIN_ROWS_TO_USE_TABLE_CACHE 100
// The following is used to decide if MySQL should use table scanning
// instead of reading with keys. The number says how many evaluation of the
// WHERE clause is comparable to reading one extra row from a table.
#define TIME_FOR_COMPARE 5 // 5 compares == one read
// Number of rows in a reference table when refereed through a not unique key.
// This value is only used when we don't know anything about the key
// distribution.
#define MATCHING_ROWS_IN_OTHER_TABLE 10
/* Don't pack string keys shorter than this (if PACK_KEYS=1 isn't used) */
#define KEY_DEFAULT_PACK_LENGTH 8
/* Characters shown for the command in 'show processlist' */
#define PROCESS_LIST_WIDTH 100
/* Time handling defaults */
#define TIMESTAMP_MAX_YEAR 2038
#define YY_PART_YEAR 70
#define PRECISION_FOR_DOUBLE 53
#define PRECISION_FOR_FLOAT 24
/* The following can also be changed from the command line */
#define CONNECT_TIMEOUT 5 // Do not wait long for connect
#define DEFAULT_CONCURRENCY 10
#define DELAYED_LIMIT 100 /* pause after xxx inserts */
#define DELAYED_QUEUE_SIZE 1000
#define DELAYED_WAIT_TIMEOUT 5*60 /* Wait for delayed insert */
#define FLUSH_TIME 0 /* Don't flush tables */
#define MAX_CONNECT_ERRORS 10 // errors before disabling host
#ifdef __WIN__
#define IF_WIN(A,B) (A)
#undef FLUSH_TIME
#define FLUSH_TIME 1800 /* Flush every half hour */
#define INTERRUPT_PRIOR -2
#define CONNECT_PRIOR -1
#define WAIT_PRIOR 0
#define QUERY_PRIOR 2
#else
#define IF_WIN(A,B) (B)
#define INTERRUPT_PRIOR 10
#define CONNECT_PRIOR 9
#define WAIT_PRIOR 8
#define QUERY_PRIOR 6
#endif /* __WIN92__ */
/* Bits fro testflag */
#define TEST_PRINT_CACHED_TABLES 1
#define TEST_NO_KEY_GROUP 2
#define TEST_MIT_THREAD 4
#define TEST_BLOCKING 8
#define TEST_KEEP_TMP_TABLES 16
#define TEST_NO_THREADS 32 /* For debugging under Linux */
#define TEST_READCHECK 64 /* Force use of readcheck */
#define TEST_NO_EXTRA 128
#define TEST_CORE_ON_SIGNAL 256 /* Give core if signal */
/* options for select set by the yacc parser */
#define SELECT_DISTINCT 1
#define SELECT_STRAIGHT_JOIN 2
#define SELECT_DESCRIBE 4
#define SELECT_SMALL_RESULT 8
#define SELECT_BIG_RESULT 16
#define SELECT_HIGH_PRIORITY 64 /* Intern */
#define SELECT_USE_CACHE 256 /* Intern */
#define SELECT_COUNT_DISTINCT 512 /* Intern */
#define OPTION_BIG_TABLES 512 /* for SQL OPTION */
#define OPTION_BIG_SELECTS 1024 /* for SQL OPTION */
#define OPTION_LOG_OFF 2048
#define OPTION_UPDATE_LOG 4096 /* update log flag */
#define OPTION_LOW_PRIORITY_UPDATES 8192
#define OPTION_WARNINGS 16384
#define OPTION_AUTO_IS_NULL 32768
#define OPTION_ANSI_MODE 65536L
#define OPTION_SAFE_UPDATES OPTION_ANSI_MODE*2
#define OPTION_BUFFER_RESULT OPTION_SAFE_UPDATES*2
#define OPTION_BIN_LOG OPTION_BUFFER_RESULT*2
#define OPTION_AUTO_COMMIT OPTION_BIN_LOG*2
#define OPTION_BEGIN OPTION_AUTO_COMMIT*2
#define OPTION_QUICK OPTION_BEGIN*2
#define OPTION_QUOTE_SHOW_CREATE OPTION_QUICK*2
#define RAID_BLOCK_SIZE 1024
/* BINLOG_DUMP options */
#define BINLOG_DUMP_NON_BLOCK 1
/* Some portable defines */
#define portable_sizeof_char_ptr 8
#define tmp_file_prefix "#sql" /* Prefix for tmp tables */
#define tmp_file_prefix_length 4
struct st_table;
class THD;
/* Struct to handle simple linked lists */
typedef struct st_sql_list {
uint elements;
byte *first;
byte **next;
} SQL_LIST;
uint nr_of_decimals(const char *str); /* Neaded by sql_string.h */
extern pthread_key(THD*, THR_THD);
inline THD *_current_thd(void)
{
return my_pthread_getspecific_ptr(THD*,THR_THD);
}
#define current_thd _current_thd()
#include "sql_string.h"
#include "sql_list.h"
#include "sql_map.h"
#include "handler.h"
#include "table.h"
#include "field.h" /* Field definitions */
#include "sql_udf.h"
#include "item.h"
#include "sql_class.h"
#include "opt_range.h"
void mysql_create_db(THD *thd, char *db, uint create_info);
void mysql_binlog_send(THD* thd, char* log_ident, ulong pos, ushort flags);
int mysql_rm_table(THD *thd,TABLE_LIST *tables, my_bool if_exists);
int quick_rm_table(enum db_type base,const char *db,
const char *table_name);
bool mysql_rename_tables(THD *thd, TABLE_LIST *table_list);
bool mysql_change_db(THD *thd,const char *name);
void mysql_parse(THD *thd,char *inBuf,uint length);
void mysql_init_select(LEX *lex);
pthread_handler_decl(handle_one_connection,arg);
int handle_bootstrap(THD *thd,FILE *file);
sig_handler end_thread_signal(int sig);
void end_thread(THD *thd,bool put_in_cache);
void flush_thread_cache();
void mysql_execute_command(void);
bool do_command(THD *thd);
bool check_stack_overrun(THD *thd,char *dummy);
bool reload_acl_and_cache(THD *thd, uint options, TABLE_LIST *tables);
void mysql_rm_db(THD *thd,char *db,bool if_exists);
void table_cache_init(void);
void table_cache_free(void);
uint cached_tables(void);
void kill_mysql(void);
void close_connection(NET *net,uint errcode=0,bool lock=1);
bool check_access(THD *thd,uint access,const char *db=0,uint *save_priv=0,
bool no_grant=0);
int generate_table(THD *thd, TABLE_LIST *table_list,
TABLE *locked_table);
int mysql_backup_table(THD* thd, TABLE_LIST* table_list);
int mysql_restore_table(THD* thd, TABLE_LIST* table_list);
int mysql_check_table(THD* thd, TABLE_LIST* table_list,
HA_CHECK_OPT* check_opt);
int mysql_repair_table(THD* thd, TABLE_LIST* table_list,
HA_CHECK_OPT* check_opt);
int mysql_analyze_table(THD* thd, TABLE_LIST* table_list,
HA_CHECK_OPT* check_opt);
int mysql_optimize_table(THD* thd, TABLE_LIST* table_list,
HA_CHECK_OPT* check_opt);
/* net_pkg.c */
void send_error(NET *net,uint sql_errno=0, const char *err=0);
void net_printf(NET *net,uint sql_errno, ...);
void send_ok(NET *net,ha_rows affected_rows=0L,ulonglong id=0L,
const char *info=0);
void send_eof(NET *net,bool no_flush=0);
char *net_store_length(char *packet,ulonglong length);
char *net_store_length(char *packet,uint length);
char *net_store_data(char *to,const char *from);
char *net_store_data(char *to,int32 from);
char *net_store_data(char *to,longlong from);
bool net_store_null(String *packet);
bool net_store_data(String *packet,uint32 from);
bool net_store_data(String *packet,longlong from);
bool net_store_data(String *packet,const char *from);
bool net_store_data(String *packet,const char *from,uint length);
bool net_store_data(String *packet,struct tm *tmp);
bool net_store_data(String* packet, I_List<i_string>* str_list);
SORT_FIELD * make_unireg_sortorder(ORDER *order, uint *length);
int setup_order(THD *thd,TABLE_LIST *tables, List<Item> &fields,
List <Item> &all_fields, ORDER *order);
int mysql_select(THD *thd,TABLE_LIST *tables,List<Item> &list,COND *conds,
List<Item_func_match> &ftfuncs,
ORDER *order, ORDER *group,Item *having,ORDER *proc_param,
uint select_type,select_result *result);
Field *create_tmp_field(TABLE *table,Item *item, Item::Type type,
Item_result_field ***copy_func, Field **from_field,
bool group,bool modify_item);
int mysql_create_table(THD *thd,const char *db, const char *table_name,
HA_CREATE_INFO *create_info,
List<create_field> &fields, List<Key> &keys,
bool tmp_table, bool no_log);
// no_log is needed for the case of CREATE TABLE ... SELECT , as the logging
// will be done later in sql_insert.cc
TABLE *create_table_from_items(THD *thd, HA_CREATE_INFO *create_info,
const char *db, const char *name,
List<create_field> *extra_fields,
List<Key> *keys,
List<Item> *items,
MYSQL_LOCK **lock);
int mysql_alter_table(THD *thd, char *new_db, char *new_name,
HA_CREATE_INFO *create_info,
TABLE_LIST *table_list,
List<create_field> &fields,
List<Key> &keys,List<Alter_drop> &drop_list,
List<Alter_column> &alter_list,
ORDER *order,
bool drop_primary,
enum enum_duplicates handle_duplicates);
bool mysql_rename_table(enum db_type base,
const char *old_db,
const char * old_name,
const char *new_db,
const char * new_name);
bool close_cached_table(THD *thd,TABLE *table);
int mysql_create_index(THD *thd, TABLE_LIST *table_list, List<Key> &keys);
int mysql_drop_index(THD *thd, TABLE_LIST *table_list,
List<Alter_drop> &drop_list);
int mysql_update(THD *thd,TABLE_LIST *tables,List<Item> &fields,
List<Item> &values,COND *conds, ha_rows limit,
enum enum_duplicates handle_duplicates,
thr_lock_type lock_type);
int mysql_insert(THD *thd,TABLE_LIST *table,List<Item> &fields,
List<List_item> &values, enum_duplicates flag,
thr_lock_type lock_type);
void kill_delayed_threads(void);
int mysql_delete(THD *thd,TABLE_LIST *table,COND *conds,ha_rows rows,
thr_lock_type lock_type, ulong options);
TABLE *open_ltable(THD *thd, TABLE_LIST *table_list, thr_lock_type update);
TABLE *open_table(THD *thd,const char *db,const char *table,const char *alias,
bool *refresh);
TABLE *reopen_name_locked_table(THD* thd, TABLE_LIST* table);
TABLE *find_locked_table(THD *thd, const char *db,const char *table_name);
bool reopen_table(TABLE *table,bool locked=0);
bool reopen_tables(THD *thd,bool get_locks,bool in_refresh);
void close_old_data_files(THD *thd, TABLE *table, bool abort_locks,
bool send_refresh);
bool close_data_tables(THD *thd,const char *db, const char *table_name);
bool wait_for_tables(THD *thd);
bool table_is_used(TABLE *table, bool wait_for_name_lock);
bool drop_locked_tables(THD *thd,const char *db, const char *table_name);
void abort_locked_tables(THD *thd,const char *db, const char *table_name);
Field *find_field_in_tables(THD *thd,Item_field *item,TABLE_LIST *tables);
Field *find_field_in_table(THD *thd,TABLE *table,const char *name,uint length,
bool check_grant,bool allow_rowid);
/* sql_list.c */
int mysqld_show_dbs(THD *thd,const char *wild);
int mysqld_show_tables(THD *thd,const char *db,const char *wild);
int mysqld_extend_show_tables(THD *thd,const char *db,const char *wild);
int mysqld_show_fields(THD *thd,TABLE_LIST *table, const char *wild);
int mysqld_show_keys(THD *thd, TABLE_LIST *table);
void mysqld_list_fields(THD *thd,TABLE_LIST *table, const char *wild);
int mysqld_dump_create_info(THD *thd, TABLE *table, int fd = -1);
int mysqld_show_create(THD *thd, TABLE_LIST *table_list);
void mysqld_list_processes(THD *thd,const char *user,bool verbose);
int mysqld_show_status(THD *thd);
int mysqld_show_variables(THD *thd,const char *wild);
int mysqld_show(THD *thd, const char *wild, show_var_st *variables);
/* sql_base.cc */
void set_item_name(Item *item,char *pos,uint length);
bool add_field_to_list(char *field_name, enum enum_field_types type,
char *length, char *decimal,
uint type_modifier, Item *default_value,char *change,
TYPELIB *interval);
void store_position_for_column(const char *name);
bool add_to_list(SQL_LIST &list,Item *group,bool asc=0);
TABLE_LIST *add_table_to_list(Table_ident *table,LEX_STRING *alias,
thr_lock_type flags=TL_UNLOCK,
List<String> *use_index=0,
List<String> *ignore_index=0);
void add_join_on(TABLE_LIST *b,Item *expr);
void add_join_natural(TABLE_LIST *a,TABLE_LIST *b);
bool add_proc_to_list(Item *item);
TABLE *unlink_open_table(THD *thd,TABLE *list,TABLE *find);
SQL_SELECT *make_select(TABLE *head, table_map const_tables,
table_map read_tables, COND *conds, int *error);
Item ** find_item_in_list(Item *item,List<Item> &items);
int setup_fields(THD *thd,TABLE_LIST *tables,List<Item> &item,
bool set_query_id,List<Item> *sum_func_list);
int setup_conds(THD *thd,TABLE_LIST *tables,COND **conds);
int setup_ftfuncs(THD *thd,TABLE_LIST *tables, List<Item_func_match> &ftfuncs);
void wait_for_refresh(THD *thd);
int open_tables(THD *thd,TABLE_LIST *tables);
int open_and_lock_tables(THD *thd,TABLE_LIST *tables);
int lock_tables(THD *thd,TABLE_LIST *tables);
TABLE *open_temporary_table(THD *thd, const char *path, const char *db,
const char *table_name, bool link_in_list);
bool rm_temporary_table(enum db_type base, char *path);
bool send_fields(THD *thd,List<Item> &item,uint send_field_count);
void free_io_cache(TABLE *entry);
void intern_close_table(TABLE *entry);
void close_thread_tables(THD *thd,bool locked=0);
void close_temporary_tables(THD *thd);
TABLE **find_temporary_table(THD *thd, const char *db, const char *table_name);
bool close_temporary_table(THD *thd, const char *db, const char *table_name);
void close_temporary(TABLE *table, bool delete_table=1);
bool rename_temporary_table(TABLE *table, const char *new_db,
const char *table_name);
void remove_db_from_cache(const my_string db);
void flush_tables();
bool remove_table_from_cache(THD *thd, const char *db, const char *table);
bool close_cached_tables(THD *thd, bool wait_for_refresh, TABLE_LIST *tables);
void copy_field_from_tmp_record(Field *field,int offset);
int fill_record(List<Item> &fields,List<Item> &values);
int fill_record(Field **field,List<Item> &values);
/* sql_calc.cc */
bool eval_const_cond(COND *cond);
/* sql_load.cc */
int mysql_load(THD *thd,sql_exchange *ex, TABLE_LIST *table_list,
List<Item> &fields, enum enum_duplicates handle_duplicates,
bool local_file,thr_lock_type lock_type);
int write_record(TABLE *table,COPY_INFO *info);
/* sql_test.cc */
#ifndef DBUG_OFF
void print_where(COND *cond,const char *info);
void print_cached_tables(void);
void TEST_filesort(TABLE **form,SORT_FIELD *sortorder,uint s_length,
ha_rows special);
#endif
void mysql_print_status(THD *thd);
/* key.cc */
int find_ref_key(TABLE *form,Field *field, uint *offset);
void key_copy(byte *key,TABLE *form,uint index,uint key_length);
void key_restore(TABLE *form,byte *key,uint index,uint key_length);
int key_cmp(TABLE *form,const byte *key,uint index,uint key_length);
void key_unpack(String *to,TABLE *form,uint index);
bool check_if_key_used(TABLE *table, uint idx, List<Item> &fields);
void init_errmessage(void);
void sql_perror(const char *message);
void sql_print_error(const char *format,...)
__attribute__ ((format (printf, 1, 2)));
extern uint32 server_id;
extern char mysql_data_home[2],server_version[50],max_sort_char,
mysql_real_data_home[];
extern my_string mysql_unix_port,mysql_tmpdir;
extern const char *first_keyword, *localhost;
extern ulong refresh_version,flush_version, thread_id,query_id,opened_tables,
created_tmp_tables, created_tmp_disk_tables,
aborted_threads,aborted_connects,
delayed_insert_timeout,
delayed_insert_limit, delayed_queue_size,
delayed_insert_threads, delayed_insert_writes,
delayed_rows_in_use,delayed_insert_errors;
extern ulong filesort_rows, filesort_range_count, filesort_scan_count;
extern ulong select_range_check_count, select_range_count, select_scan_count;
extern ulong select_full_range_join_count,select_full_join_count;
extern uint test_flags,select_errors,mysql_port,ha_open_options;
extern ulong thd_startup_options, slow_launch_threads, slow_launch_time;
extern time_t start_time;
extern const char *command_name[];
extern I_List<THD> threads;
extern MYSQL_LOG mysql_log,mysql_update_log,mysql_slow_log,mysql_bin_log;
extern pthread_key(MEM_ROOT*,THR_MALLOC);
extern pthread_key(NET*, THR_NET);
extern pthread_mutex_t LOCK_mysql_create_db,LOCK_Acl,LOCK_open,
LOCK_thread_count,LOCK_mapped_file,LOCK_user_locks, LOCK_status,
LOCK_grant, LOCK_error_log, LOCK_delayed_insert,
LOCK_delayed_status, LOCK_delayed_create, LOCK_crypt, LOCK_timezone,
LOCK_binlog_update, LOCK_slave, LOCK_server_id;
extern pthread_cond_t COND_refresh,COND_thread_count, COND_binlog_update,
COND_slave_stopped;
extern pthread_attr_t connection_attrib;
extern bool opt_endinfo,using_udf_functions, locked_in_memory;
extern ulong ha_read_count, ha_write_count, ha_delete_count, ha_update_count,
ha_read_key_count, ha_read_next_count, ha_read_prev_count,
ha_read_first_count, ha_read_last_count,
ha_read_rnd_count, ha_read_rnd_next_count;
extern char f_fyllchar;
extern uchar *days_in_month;
extern DATE_FORMAT dayord;
extern double log_10[32];
extern uint protocol_version,dropping_tables;
extern ulong keybuff_size,sortbuff_size,max_item_sort_length,table_cache_size,
max_join_size,join_buff_size,tmp_table_size,
max_connections,max_connect_errors,long_query_time,
max_insert_delayed_threads,
long_query_count,net_wait_timeout,net_interactive_timeout,
net_read_timeout,net_write_timeout,
what_to_log,flush_time,
max_tmp_tables,max_heap_table_size,query_buff_size,
lower_case_table_names,thread_stack,thread_stack_min;
extern ulong specialflag;
extern ulong current_pid;
extern bool low_priority_updates;
extern bool opt_sql_bin_update;
extern char language[LIBLEN],reg_ext[FN_EXTLEN],blob_newline;
extern const char **errmesg; /* Error messages */
extern byte last_ref[MAX_REFLENGTH]; /* Index ref of keys */
extern String empty_string;
extern struct show_var_st init_vars[];
extern struct show_var_st status_vars[];
extern enum db_type default_table_type;
#ifndef __WIN__
extern pthread_t signal_thread;
#endif
extern bool volatile abort_loop, shutdown_in_progress, grant_option;
extern uint volatile thread_count, thread_running, global_read_lock;
MYSQL_LOCK *mysql_lock_tables(THD *thd,TABLE **table,uint count);
void mysql_unlock_tables(THD *thd, MYSQL_LOCK *sql_lock);
void mysql_unlock_read_tables(THD *thd, MYSQL_LOCK *sql_lock);
void mysql_unlock_some_tables(THD *thd, TABLE **table,uint count);
void mysql_lock_remove(THD *thd, MYSQL_LOCK *locked,TABLE *table);
void mysql_lock_abort(THD *thd, TABLE *table);
MYSQL_LOCK *mysql_lock_merge(MYSQL_LOCK *a,MYSQL_LOCK *b);
/* Lock based on name */
int lock_table_name(THD *thd, TABLE_LIST *table_list);
void unlock_table_name(THD *thd, TABLE_LIST *table_list);
bool wait_for_locked_table_names(THD *thd, TABLE_LIST *table_list);
/* old unireg functions */
void unireg_init(ulong options);
void unireg_end(int signal);
int rea_create_table(my_string file_name,HA_CREATE_INFO *create_info,
List<create_field> &create_field,
uint key_count,KEY *key_info);
int format_number(uint inputflag,uint max_length,my_string pos,uint length,
my_string *errpos);
int openfrm(const char *name,const char *alias,uint filestat,uint prgflag,
uint ha_open_flags, TABLE *outparam);
int closefrm(TABLE *table);
db_type get_table_type(const char *name);
int read_string(File file, gptr *to, uint length);
void free_blobs(TABLE *table);
int set_zone(int nr,int min_zone,int max_zone);
ulong convert_period_to_month(ulong period);
ulong convert_month_to_period(ulong month);
long calc_daynr(uint year,uint month,uint day);
uint calc_days_in_year(uint year);
void get_date_from_daynr(long daynr,uint *year, uint *month,
uint *day);
void init_time(void);
long my_gmt_sec(TIME *);
time_t str_to_timestamp(const char *str,uint length);
bool str_to_time(const char *str,uint length,TIME *l_time);
longlong str_to_datetime(const char *str,uint length,bool fuzzy_date);
timestamp_type str_to_TIME(const char *str, uint length, TIME *l_time,
bool fuzzy_date);
int test_if_number(char *str,int *res,bool allow_wildcards);
void change_byte(byte *,uint,char,char);
void unireg_abort(int exit_code);
void init_read_record(READ_RECORD *info, THD *thd, TABLE *reg_form,
SQL_SELECT *select,
bool use_record_cache, bool print_errors);
void end_read_record(READ_RECORD *info);
ha_rows filesort(TABLE **form,struct st_sort_field *sortorder, uint s_length,
SQL_SELECT *select, ha_rows special,ha_rows max_rows);
void change_double_for_sort(double nr,byte *to);
int get_quick_record(SQL_SELECT *select);
int calc_weekday(long daynr,bool sunday_first_day_of_week);
uint calc_week(TIME *ltime, bool with_year, bool sunday_first_day_of_week,
uint *year);
void find_date(char *pos,uint *vek,uint flag);
TYPELIB *convert_strings_to_array_type(my_string *typelibs, my_string *end);
TYPELIB *typelib(List<String> &strings);
void clean_up(void);
ulong get_form_pos(File file, uchar *head, TYPELIB *save_names);
ulong make_new_entry(File file,uchar *fileinfo,TYPELIB *formnames,
const char *newname);
ulong next_io_size(ulong pos);
void append_unescaped(String *res,const char *pos);
int create_frm(char *name,uint reclength,uchar *fileinfo,
HA_CREATE_INFO *create_info, uint keys);
void update_create_info_from_table(HA_CREATE_INFO *info, TABLE *form);
int rename_file_ext(const char * from,const char * to,const char * ext);
bool check_db_name(const char *db);
bool check_column_name(const char *name);
bool check_table_name(const char *name, uint length);
char *get_field(MEM_ROOT *mem,TABLE *table,uint fieldnr);
int wild_case_compare(const char *str,const char *wildstr);
/* from hostname.cc */
struct in_addr;
my_string ip_to_hostname(struct in_addr *in,uint *errors);
void inc_host_errors(struct in_addr *in);
void reset_host_errors(struct in_addr *in);
bool hostname_cache_init();
void hostname_cache_free();
void hostname_cache_refresh(void);
bool get_interval_info(const char *str,uint length,uint count,
long *values);
/* sql_cache */
extern bool sql_cache_init();
extern void sql_cache_free();
extern int sql_cache_hit(THD *thd, char *inBuf, uint length);
/* Some inline functions for more speed */
inline bool add_item_to_list(Item *item)
{
return current_lex->item_list.push_back(item);
}
inline bool add_value_to_list(Item *value)
{
return current_lex->value_list.push_back(value);
}
inline bool add_order_to_list(Item *item,bool asc)
{
return add_to_list(current_lex->order_list,item,asc);
}
inline bool add_group_to_list(Item *item,bool asc)
{
return add_to_list(current_lex->group_list,item,asc);
}
inline void mark_as_null_row(TABLE *table)
{
table->null_row=1;
bfill(table->null_flags,table->null_bytes,255);
}
#endif
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