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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
@file
@details
Mostly this file is used in the server. But a little part of it is used in
mysqlbinlog too (definition of SELECT_DISTINCT and others).
@TODO Name this file better. "priv" could mean private, privileged, privileges.
*/
#ifndef DRIZZLED_SERVER_INCLUDES_H
#define DRIZZLED_SERVER_INCLUDES_H
/* Some forward declarations just for the server */
class Comp_creator;
typedef Comp_creator* (*chooser_compare_func_creator)(bool invert);
/**
* Contains all headers, definitions, and declarations common to
* the server and the plugin infrastructure, and not the client
*/
#include <drizzled/common_includes.h>
/* Range optimization API/library */
#include <drizzled/opt_range.h>
/* Simple error injection (crash) module */
#include <drizzled/error_injection.h>
/* API for connecting, logging in to a drizzled server */
#include <drizzled/connect.h>
/* Routines for dropping, repairing, checking schema tables */
#include <drizzled/sql_table.h>
/* information schema */
static const std::string INFORMATION_SCHEMA_NAME("information_schema");
#define is_schema_db(X) \
!my_strcasecmp(system_charset_info, INFORMATION_SCHEMA_NAME.str, (X))
/* sql_base.cc */
#define TMP_TABLE_KEY_EXTRA 8
void set_item_name(Item *item,char *pos,uint32_t length);
bool add_field_to_list(Session *session, LEX_STRING *field_name, enum enum_field_types type,
char *length, char *decimal,
uint32_t type_modifier,
enum column_format_type column_format,
Item *default_value, Item *on_update_value,
LEX_STRING *comment,
char *change, List<String> *interval_list,
const CHARSET_INFO * const cs,
virtual_column_info *vcol_info);
Create_field * new_create_field(Session *session, char *field_name, enum_field_types type,
char *length, char *decimals,
uint32_t type_modifier,
Item *default_value, Item *on_update_value,
LEX_STRING *comment, char *change,
List<String> *interval_list, CHARSET_INFO *cs,
virtual_column_info *vcol_info);
void store_position_for_column(const char *name);
bool add_to_list(Session *session, SQL_LIST &list,Item *group,bool asc);
bool push_new_name_resolution_context(Session *session,
TableList *left_op,
TableList *right_op);
void add_join_on(TableList *b,Item *expr);
void add_join_natural(TableList *a,TableList *b,List<String> *using_fields,
SELECT_LEX *lex);
bool add_proc_to_list(Session *session, Item *item);
void unlink_open_table(Session *session, Table *find, bool unlock);
void drop_open_table(Session *session, Table *table, const char *db_name,
const char *table_name);
void update_non_unique_table_error(TableList *update,
const char *operation,
TableList *duplicate);
SQL_SELECT *make_select(Table *head, table_map const_tables,
table_map read_tables, COND *conds,
bool allow_null_cond, int *error);
extern Item **not_found_item;
/*
A set of constants used for checking non aggregated fields and sum
functions mixture in the ONLY_FULL_GROUP_BY_MODE.
*/
#define NON_AGG_FIELD_USED 1
#define SUM_FUNC_USED 2
/*
This enumeration type is used only by the function find_item_in_list
to return the info on how an item has been resolved against a list
of possibly aliased items.
The item can be resolved:
- against an alias name of the list's element (RESOLVED_AGAINST_ALIAS)
- against non-aliased field name of the list (RESOLVED_WITH_NO_ALIAS)
- against an aliased field name of the list (RESOLVED_BEHIND_ALIAS)
- ignoring the alias name in cases when SQL requires to ignore aliases
(e.g. when the resolved field reference contains a table name or
when the resolved item is an expression) (RESOLVED_IGNORING_ALIAS)
*/
enum enum_resolution_type {
NOT_RESOLVED=0,
RESOLVED_IGNORING_ALIAS,
RESOLVED_BEHIND_ALIAS,
RESOLVED_WITH_NO_ALIAS,
RESOLVED_AGAINST_ALIAS
};
Item ** find_item_in_list(Item *item, List<Item> &items, uint32_t *counter,
find_item_error_report_type report_error,
enum_resolution_type *resolution);
bool get_key_map_from_key_list(key_map *map, Table *table,
List<String> *index_list);
bool insert_fields(Session *session, Name_resolution_context *context,
const char *db_name, const char *table_name,
List_iterator<Item> *it, bool any_privileges);
bool setup_tables(Session *session, Name_resolution_context *context,
List<TableList> *from_clause, TableList *tables,
TableList **leaves, bool select_insert);
bool setup_tables_and_check_access(Session *session,
Name_resolution_context *context,
List<TableList> *from_clause,
TableList *tables,
TableList **leaves,
bool select_insert);
int setup_wild(Session *session, TableList *tables, List<Item> &fields,
List<Item> *sum_func_list, uint32_t wild_num);
bool setup_fields(Session *session, Item** ref_pointer_array,
List<Item> &item, enum_mark_columns mark_used_columns,
List<Item> *sum_func_list, bool allow_sum_func);
inline bool setup_fields_with_no_wrap(Session *session, Item **ref_pointer_array,
List<Item> &item,
enum_mark_columns mark_used_columns,
List<Item> *sum_func_list,
bool allow_sum_func)
{
bool res;
res= setup_fields(session, ref_pointer_array, item, mark_used_columns, sum_func_list,
allow_sum_func);
return res;
}
int setup_conds(Session *session, TableList *tables, TableList *leaves,
COND **conds);
int setup_ftfuncs(SELECT_LEX* select);
int init_ftfuncs(Session *session, SELECT_LEX* select, bool no_order);
void wait_for_condition(Session *session, pthread_mutex_t *mutex,
pthread_cond_t *cond);
int open_tables(Session *session, TableList **tables, uint32_t *counter, uint32_t flags);
/* open_and_lock_tables with optional derived handling */
int open_and_lock_tables_derived(Session *session, TableList *tables, bool derived);
/* simple open_and_lock_tables without derived handling */
inline int simple_open_n_lock_tables(Session *session, TableList *tables)
{
return open_and_lock_tables_derived(session, tables, false);
}
/* open_and_lock_tables with derived handling */
inline int open_and_lock_tables(Session *session, TableList *tables)
{
return open_and_lock_tables_derived(session, tables, true);
}
/* simple open_and_lock_tables without derived handling for single table */
Table *open_n_lock_single_table(Session *session, TableList *table_l,
thr_lock_type lock_type);
bool open_normal_and_derived_tables(Session *session, TableList *tables, uint32_t flags);
int lock_tables(Session *session, TableList *tables, uint32_t counter, bool *need_reopen);
int decide_logging_format(Session *session);
Table *open_temporary_table(Session *session, const char *path, const char *db,
const char *table_name, bool link_in_list,
open_table_mode open_mode);
bool rm_temporary_table(handlerton *base, char *path, bool frm_only);
void free_io_cache(Table *entry);
void intern_close_table(Table *entry);
bool close_thread_table(Session *session, Table **table_ptr);
void close_temporary_tables(Session *session);
void close_tables_for_reopen(Session *session, TableList **tables);
TableList *find_table_in_list(TableList *table,
TableList *TableList::*link,
const char *db_name,
const char *table_name);
TableList *unique_table(Session *session, TableList *table, TableList *table_list,
bool check_alias);
Table *find_temporary_table(Session *session, const char *db, const char *table_name);
Table *find_temporary_table(Session *session, TableList *table_list);
int drop_temporary_table(Session *session, TableList *table_list);
void close_temporary_table(Session *session, Table *table, bool free_share,
bool delete_table);
void close_temporary(Table *table, bool free_share, bool delete_table);
bool rename_temporary_table(Session* session, Table *table, const char *new_db,
const char *table_name);
void remove_db_from_cache(const char *db);
void flush_tables();
bool is_equal(const LEX_STRING *a, const LEX_STRING *b);
char *make_default_log_name(char *buff,const char* log_ext);
/* bits for last argument to remove_table_from_cache() */
#define RTFC_NO_FLAG 0x0000
#define RTFC_OWNED_BY_Session_FLAG 0x0001
#define RTFC_WAIT_OTHER_THREAD_FLAG 0x0002
#define RTFC_CHECK_KILLED_FLAG 0x0004
bool remove_table_from_cache(Session *session, const char *db, const char *table,
uint32_t flags);
#define NORMAL_PART_NAME 0
#define TEMP_PART_NAME 1
#define RENAMED_PART_NAME 2
void mem_alloc_error(size_t size);
#define WFRM_WRITE_SHADOW 1
#define WFRM_INSTALL_SHADOW 2
#define WFRM_PACK_FRM 4
#define WFRM_KEEP_SHARE 8
bool close_cached_tables(Session *session, TableList *tables, bool have_lock,
bool wait_for_refresh, bool wait_for_placeholders);
bool close_cached_connection_tables(Session *session, bool wait_for_refresh,
LEX_STRING *connect_string,
bool have_lock= false);
void copy_field_from_tmp_record(Field *field,int offset);
bool fill_record(Session * session, List<Item> &fields, List<Item> &values, bool ignore_errors);
bool fill_record(Session *session, Field **field, List<Item> &values, bool ignore_errors);
OPEN_TableList *list_open_tables(Session *session, const char *db, const char *wild);
inline TableList *find_table_in_global_list(TableList *table,
const char *db_name,
const char *table_name)
{
return find_table_in_list(table, &TableList::next_global,
db_name, table_name);
}
inline TableList *find_table_in_local_list(TableList *table,
const char *db_name,
const char *table_name)
{
return find_table_in_list(table, &TableList::next_local,
db_name, table_name);
}
/* sql_calc.cc */
bool eval_const_cond(COND *cond);
/* sql_load.cc */
int mysql_load(Session *session, sql_exchange *ex, TableList *table_list,
List<Item> &fields_vars, List<Item> &set_fields,
List<Item> &set_values_list,
enum enum_duplicates handle_duplicates, bool ignore,
bool local_file);
int write_record(Session *session, Table *table, COPY_INFO *info);
/* sql_test.cc */
void print_where(COND *cond,const char *info, enum_query_type query_type);
void print_cached_tables(void);
void TEST_filesort(SORT_FIELD *sortorder,uint32_t s_length);
void print_plan(JOIN* join,uint32_t idx, double record_count, double read_time,
double current_read_time, const char *info);
void print_keyuse_array(DYNAMIC_ARRAY *keyuse_array);
void dump_TableList_graph(SELECT_LEX *select_lex, TableList* tl);
void mysql_print_status();
/* key.cc */
int find_ref_key(KEY *key, uint32_t key_count, unsigned char *record, Field *field,
uint32_t *key_length, uint32_t *keypart);
void key_copy(unsigned char *to_key, unsigned char *from_record, KEY *key_info, uint32_t key_length);
void key_restore(unsigned char *to_record, unsigned char *from_key, KEY *key_info,
uint16_t key_length);
void key_zero_nulls(unsigned char *tuple, KEY *key_info);
bool key_cmp_if_same(Table *form,const unsigned char *key,uint32_t index,uint32_t key_length);
void key_unpack(String *to,Table *form,uint32_t index);
bool is_key_used(Table *table, uint32_t idx, const MY_BITMAP *fields);
int key_cmp(KEY_PART_INFO *key_part, const unsigned char *key, uint32_t key_length);
extern "C" int key_rec_cmp(void *key_info, unsigned char *a, unsigned char *b);
bool init_errmessage(void);
File open_binlog(IO_CACHE *log, const char *log_file_name,
const char **errmsg);
/* mysqld.cc */
void refresh_status(Session *session);
bool drizzle_rm_tmp_tables(void);
void handle_connection_in_main_thread(Session *session);
void create_thread_to_handle_connection(Session *session);
void unlink_session(Session *session);
bool one_thread_per_connection_end(Session *session, bool put_in_cache);
void flush_thread_cache();
/* item_func.cc */
extern bool check_reserved_words(LEX_STRING *name);
extern enum_field_types agg_field_type(Item **items, uint32_t nitems);
/* strfunc.cc */
uint64_t find_set(TYPELIB *lib, const char *x, uint32_t length, const CHARSET_INFO * const cs,
char **err_pos, uint32_t *err_len, bool *set_warning);
uint32_t find_type(const TYPELIB *lib, const char *find, uint32_t length,
bool part_match);
uint32_t find_type2(const TYPELIB *lib, const char *find, uint32_t length,
const CHARSET_INFO *cs);
void unhex_type2(TYPELIB *lib);
uint32_t check_word(TYPELIB *lib, const char *val, const char *end,
const char **end_of_word);
int find_string_in_array(LEX_STRING * const haystack, LEX_STRING * const needle,
const CHARSET_INFO * const cs);
bool is_keyword(const char *name, uint32_t len);
#define MY_DB_OPT_FILE "db.opt"
bool my_database_names_init(void);
void my_database_names_free(void);
bool check_db_dir_existence(const char *db_name);
bool load_db_opt(Session *session, const char *path, HA_CREATE_INFO *create);
bool load_db_opt_by_name(Session *session, const char *db_name,
HA_CREATE_INFO *db_create_info);
const CHARSET_INFO *get_default_db_collation(Session *session, const char *db_name);
bool my_dbopt_init(void);
void my_dbopt_cleanup(void);
extern int creating_database; // How many database locks are made
extern int creating_table; // How many mysql_create_table() are running
/*
External variables
*/
extern time_t server_start_time, flush_status_time;
extern char *opt_drizzle_tmpdir;
#define drizzle_tmpdir (my_tmpdir(&drizzle_tmpdir_list))
extern MY_TMPDIR drizzle_tmpdir_list;
extern const LEX_STRING command_name[];
extern const char *first_keyword, *my_localhost, *delayed_user, *binary_keyword;
extern const char *myisam_recover_options_str;
extern const char *in_left_expr_name, *in_additional_cond, *in_having_cond;
extern const char * const TRG_EXT;
extern const char * const TRN_EXT;
extern Eq_creator eq_creator;
extern Ne_creator ne_creator;
extern Gt_creator gt_creator;
extern Lt_creator lt_creator;
extern Ge_creator ge_creator;
extern Le_creator le_creator;
extern char language[FN_REFLEN];
extern char glob_hostname[FN_REFLEN], drizzle_home[FN_REFLEN];
extern char pidfile_name[FN_REFLEN], system_time_zone[30], *opt_init_file;
extern char log_error_file[FN_REFLEN], *opt_tc_log_file;
extern const double log_10[309];
extern uint64_t log_10_int[20];
extern uint64_t keybuff_size;
extern uint64_t session_startup_options;
extern ulong thread_id;
extern ulong binlog_cache_use, binlog_cache_disk_use;
extern ulong aborted_threads,aborted_connects;
extern ulong slave_open_temp_tables;
extern ulong slow_launch_threads, slow_launch_time;
extern ulong table_cache_size, table_def_size;
extern ulong max_connections,max_connect_errors, connect_timeout;
extern bool slave_allow_batching;
extern ulong slave_net_timeout, slave_trans_retries;
extern uint32_t max_user_connections;
extern ulong what_to_log,flush_time;
extern ulong binlog_cache_size, max_binlog_cache_size, open_files_limit;
extern ulong max_binlog_size, max_relay_log_size;
extern ulong opt_binlog_rows_event_max_size;
extern ulong rpl_recovery_rank, thread_cache_size, thread_pool_size;
extern ulong back_log;
extern ulong current_pid;
extern ulong expire_logs_days, sync_binlog_period, sync_binlog_counter;
extern ulong opt_tc_log_size, tc_log_max_pages_used, tc_log_page_size;
extern ulong tc_log_page_waits;
extern bool relay_log_purge;
extern bool opt_innodb_safe_binlog, opt_innodb;
extern uint32_t test_flags,select_errors,ha_open_options;
extern uint32_t protocol_version, drizzled_port, dropping_tables;
extern uint32_t delay_key_write_options;
extern bool opt_endinfo, using_udf_functions;
extern bool locked_in_memory;
extern bool opt_using_transactions;
extern bool using_update_log, server_id_supplied;
extern bool opt_update_log, opt_bin_log, opt_error_log;
extern bool opt_log;
extern bool opt_slow_log;
extern ulong log_output_options;
extern bool opt_log_queries_not_using_indexes;
extern bool opt_character_set_client_handshake;
extern bool volatile abort_loop, shutdown_in_progress;
extern uint32_t volatile thread_count, thread_running, global_read_lock;
extern uint32_t connection_count;
extern bool opt_sql_bin_update;
extern bool opt_safe_user_create;
extern bool opt_no_mix_types;
extern bool opt_safe_show_db, opt_myisam_use_mmap;
extern bool opt_local_infile;
extern bool opt_slave_compressed_protocol;
extern bool use_temp_pool;
extern ulong slave_exec_mode_options;
extern bool opt_readonly;
extern char* opt_secure_file_priv;
extern bool opt_noacl;
extern bool opt_old_style_user_limits;
extern uint32_t opt_crash_binlog_innodb;
extern char *default_tz_name;
extern char *opt_logname, *opt_slow_logname;
extern const char *log_output_str;
extern DRIZZLE_BIN_LOG mysql_bin_log;
extern LOGGER logger;
extern TableList general_log, slow_log;
extern FILE *stderror_file;
extern pthread_key_t THR_MALLOC;
extern pthread_mutex_t LOCK_drizzle_create_db,LOCK_open, LOCK_lock_db,
LOCK_thread_count,LOCK_user_locks, LOCK_status,
LOCK_error_log, LOCK_uuid_generator,
LOCK_crypt, LOCK_timezone,
LOCK_slave_list, LOCK_active_mi, LOCK_global_read_lock,
LOCK_global_system_variables, LOCK_user_conn,
LOCK_bytes_sent, LOCK_bytes_received, LOCK_connection_count;
extern pthread_mutex_t LOCK_server_started;
extern rw_lock_t LOCK_sys_init_connect, LOCK_sys_init_slave;
extern rw_lock_t LOCK_system_variables_hash;
extern pthread_cond_t COND_refresh, COND_thread_count, COND_manager;
extern pthread_cond_t COND_global_read_lock;
extern pthread_attr_t connection_attrib;
extern I_List<Session> threads;
extern I_List<NAMED_LIST> key_caches;
extern MY_BITMAP temp_pool;
extern String my_empty_string;
extern const String my_null_string;
extern SHOW_VAR status_vars[];
extern struct system_variables max_system_variables;
extern struct system_status_var global_status_var;
extern struct rand_struct sql_rand;
extern const char *opt_date_time_formats[];
extern KNOWN_DATE_TIME_FORMAT known_date_time_formats[];
extern HASH open_cache, lock_db_cache;
extern Table *unused_tables;
extern const char* any_db;
extern struct my_option my_long_options[];
extern const LEX_STRING view_type;
extern TYPELIB thread_handling_typelib;
extern uint8_t uc_update_queries[SQLCOM_END+1];
extern uint32_t sql_command_flags[];
extern TYPELIB log_output_typelib;
/* optional things, have_* variables */
extern SHOW_COMP_OPTION have_community_features;
extern handlerton *myisam_hton;
extern handlerton *heap_hton;
extern SHOW_COMP_OPTION have_symlink;
extern SHOW_COMP_OPTION have_compress;
extern pthread_t signal_thread;
DRIZZLE_LOCK *mysql_lock_tables(Session *session, Table **table, uint32_t count,
uint32_t flags, bool *need_reopen);
/* mysql_lock_tables() and open_table() flags bits */
#define DRIZZLE_LOCK_IGNORE_GLOBAL_READ_LOCK 0x0001
#define DRIZZLE_LOCK_IGNORE_FLUSH 0x0002
#define DRIZZLE_LOCK_NOTIFY_IF_NEED_REOPEN 0x0004
#define DRIZZLE_OPEN_TEMPORARY_ONLY 0x0008
#define DRIZZLE_LOCK_IGNORE_GLOBAL_READ_ONLY 0x0010
#define DRIZZLE_LOCK_PERF_SCHEMA 0x0020
void mysql_unlock_tables(Session *session, DRIZZLE_LOCK *sql_lock);
void mysql_unlock_read_tables(Session *session, DRIZZLE_LOCK *sql_lock);
void mysql_unlock_some_tables(Session *session, Table **table,uint32_t count);
void mysql_lock_remove(Session *session, DRIZZLE_LOCK *locked,Table *table,
bool always_unlock);
void mysql_lock_abort(Session *session, Table *table, bool upgrade_lock);
void mysql_lock_downgrade_write(Session *session, Table *table,
thr_lock_type new_lock_type);
bool mysql_lock_abort_for_thread(Session *session, Table *table);
DRIZZLE_LOCK *mysql_lock_merge(DRIZZLE_LOCK *a,DRIZZLE_LOCK *b);
TableList *mysql_lock_have_duplicate(Session *session, TableList *needle,
TableList *haystack);
bool lock_global_read_lock(Session *session);
void unlock_global_read_lock(Session *session);
bool wait_if_global_read_lock(Session *session, bool abort_on_refresh,
bool is_not_commit);
void start_waiting_global_read_lock(Session *session);
bool make_global_read_lock_block_commit(Session *session);
bool set_protect_against_global_read_lock(void);
void unset_protect_against_global_read_lock(void);
void broadcast_refresh(void);
int try_transactional_lock(Session *session, TableList *table_list);
int check_transactional_lock(Session *session, TableList *table_list);
int set_handler_table_locks(Session *session, TableList *table_list,
bool transactional);
/* Lock based on name */
int lock_and_wait_for_table_name(Session *session, TableList *table_list);
int lock_table_name(Session *session, TableList *table_list, bool check_in_use);
void unlock_table_name(Session *session, TableList *table_list);
bool wait_for_locked_table_names(Session *session, TableList *table_list);
bool lock_table_names(Session *session, TableList *table_list);
void unlock_table_names(Session *session, TableList *table_list,
TableList *last_table);
bool lock_table_names_exclusively(Session *session, TableList *table_list);
bool is_table_name_exclusively_locked_by_this_thread(Session *session,
TableList *table_list);
bool is_table_name_exclusively_locked_by_this_thread(Session *session, unsigned char *key,
int key_length);
/* old unireg functions */
void unireg_init(ulong options);
void unireg_end(void) __attribute__((noreturn));
bool mysql_create_frm(Session *session, const char *file_name,
const char *db, const char *table,
HA_CREATE_INFO *create_info,
List<Create_field> &create_field,
uint32_t key_count,KEY *key_info,handler *db_type);
int rea_create_table(Session *session, const char *path,
const char *db, const char *table_name,
HA_CREATE_INFO *create_info,
List<Create_field> &create_field,
uint32_t key_count,KEY *key_info,
handler *file);
int format_number(uint32_t inputflag,uint32_t max_length,char * pos,uint32_t length,
char * *errpos);
/* table.cc */
TABLE_SHARE *alloc_table_share(TableList *table_list, char *key,
uint32_t key_length);
void init_tmp_table_share(Session *session, TABLE_SHARE *share, const char *key,
uint32_t key_length,
const char *table_name, const char *path);
void free_table_share(TABLE_SHARE *share);
int open_table_def(Session *session, TABLE_SHARE *share, uint32_t db_flags);
void open_table_error(TABLE_SHARE *share, int error, int db_errno, int errarg);
int open_table_from_share(Session *session, TABLE_SHARE *share, const char *alias,
uint32_t db_stat, uint32_t prgflag, uint32_t ha_open_flags,
Table *outparam, open_table_mode open_mode);
int readfrm(const char *name, unsigned char **data, size_t *length);
int writefrm(const char* name, const unsigned char* data, size_t len);
int closefrm(Table *table, bool free_share);
int read_string(File file, unsigned char* *to, size_t length);
void free_blobs(Table *table);
int set_zone(int nr,int min_zone,int max_zone);
uint32_t convert_period_to_month(uint32_t period);
uint32_t convert_month_to_period(uint32_t month);
void get_date_from_daynr(long daynr,uint32_t *year, uint32_t *month,
uint32_t *day);
my_time_t TIME_to_timestamp(Session *session, const DRIZZLE_TIME *t, bool *not_exist);
bool str_to_time_with_warn(const char *str,uint32_t length,DRIZZLE_TIME *l_time);
enum enum_drizzle_timestamp_type str_to_datetime_with_warn(const char *str, uint32_t length,
DRIZZLE_TIME *l_time, uint32_t flags);
void localtime_to_TIME(DRIZZLE_TIME *to, struct tm *from);
void calc_time_from_sec(DRIZZLE_TIME *to, long seconds, long microseconds);
void make_truncated_value_warning(Session *session, DRIZZLE_ERROR::enum_warning_level level,
const char *str_val,
uint32_t str_length, enum enum_drizzle_timestamp_type time_type,
const char *field_name);
bool date_add_interval(DRIZZLE_TIME *ltime, interval_type int_type, INTERVAL interval);
bool calc_time_diff(DRIZZLE_TIME *l_time1, DRIZZLE_TIME *l_time2, int l_sign,
int64_t *seconds_out, long *microseconds_out);
extern LEX_STRING interval_type_to_name[];
extern DATE_TIME_FORMAT *date_time_format_make(enum enum_drizzle_timestamp_type format_type,
const char *format_str,
uint32_t format_length);
extern DATE_TIME_FORMAT *date_time_format_copy(Session *session,
DATE_TIME_FORMAT *format);
const char *get_date_time_format_str(KNOWN_DATE_TIME_FORMAT *format,
enum enum_drizzle_timestamp_type type);
extern bool make_date_time(DATE_TIME_FORMAT *format, DRIZZLE_TIME *l_time,
enum enum_drizzle_timestamp_type type, String *str);
void make_datetime(const DATE_TIME_FORMAT *format, const DRIZZLE_TIME *l_time,
String *str);
void make_date(const DATE_TIME_FORMAT *format, const DRIZZLE_TIME *l_time,
String *str);
void make_time(const DATE_TIME_FORMAT *format, const DRIZZLE_TIME *l_time,
String *str);
int my_time_compare(DRIZZLE_TIME *a, DRIZZLE_TIME *b);
uint64_t get_datetime_value(Session *session, Item ***item_arg, Item **cache_arg,
Item *warn_item, bool *is_null);
int test_if_number(char *str,int *res,bool allow_wildcards);
void change_byte(unsigned char *,uint,char,char);
void init_read_record(READ_RECORD *info, Session *session, Table *reg_form,
SQL_SELECT *select,
int use_record_cache, bool print_errors);
void init_read_record_idx(READ_RECORD *info, Session *session, Table *table,
bool print_error, uint32_t idx);
void end_read_record(READ_RECORD *info);
ha_rows filesort(Session *session, Table *form,struct st_sort_field *sortorder,
uint32_t s_length, SQL_SELECT *select,
ha_rows max_rows, bool sort_positions,
ha_rows *examined_rows);
void filesort_free_buffers(Table *table, bool full);
void change_double_for_sort(double nr,unsigned char *to);
double my_double_round(double value, int64_t dec, bool dec_unsigned,
bool truncate);
int get_quick_record(SQL_SELECT *select);
int calc_weekday(long daynr,bool sunday_first_day_of_week);
uint32_t calc_week(DRIZZLE_TIME *l_time, uint32_t week_behaviour, uint32_t *year);
void find_date(char *pos,uint32_t *vek,uint32_t flag);
TYPELIB *convert_strings_to_array_type(char * *typelibs, char * *end);
TYPELIB *typelib(MEM_ROOT *mem_root, List<String> &strings);
ulong get_form_pos(File file, unsigned char *head, TYPELIB *save_names);
ulong make_new_entry(File file,unsigned char *fileinfo,TYPELIB *formnames,
const char *newname);
ulong next_io_size(ulong pos);
void append_unescaped(String *res, const char *pos, uint32_t length);
int create_frm(Session *session, const char *name, const char *db, const char *table,
uint32_t reclength, unsigned char *fileinfo,
HA_CREATE_INFO *create_info, uint32_t keys, KEY *key_info);
int rename_file_ext(const char * from,const char * to,const char * ext);
bool check_db_name(LEX_STRING *db);
bool check_column_name(const char *name);
bool check_table_name(const char *name, uint32_t length);
char *get_field(MEM_ROOT *mem, Field *field);
bool get_field(MEM_ROOT *mem, Field *field, class String *res);
char *fn_rext(char *name);
/* Conversion functions */
uint32_t build_table_filename(char *buff, size_t bufflen, const char *db,
const char *table, const char *ext, uint32_t flags);
#define MYSQL50_TABLE_NAME_PREFIX "#mysql50#"
#define MYSQL50_TABLE_NAME_PREFIX_LENGTH sizeof(MYSQL50_TABLE_NAME_PREFIX)
/* Flags for conversion functions. */
#define FN_FROM_IS_TMP (1 << 0)
#define FN_TO_IS_TMP (1 << 1)
#define FN_IS_TMP (FN_FROM_IS_TMP | FN_TO_IS_TMP)
#define NO_FRM_RENAME (1 << 2)
/* item_func.cc */
Item *get_system_var(Session *session, enum_var_type var_type, LEX_STRING name,
LEX_STRING component);
int get_var_with_binlog(Session *session, enum_sql_command sql_command,
LEX_STRING &name, user_var_entry **out_entry);
/* log.cc */
bool flush_error_log(void);
/* sql_list.cc */
void free_list(I_List <i_string_pair> *list);
void free_list(I_List <i_string> *list);
/* Some inline functions for more speed */
inline bool add_item_to_list(Session *session, Item *item)
{
return session->lex->current_select->add_item_to_list(session, item);
}
inline bool add_value_to_list(Session *session, Item *value)
{
return session->lex->value_list.push_back(value);
}
inline bool add_order_to_list(Session *session, Item *item, bool asc)
{
return session->lex->current_select->add_order_to_list(session, item, asc);
}
inline bool add_group_to_list(Session *session, Item *item, bool asc)
{
return session->lex->current_select->add_group_to_list(session, item, asc);
}
inline void mark_as_null_row(Table *table)
{
table->null_row=1;
table->status|=STATUS_NULL_ROW;
memset(table->null_flags, 255, table->s->null_bytes);
}
inline ulong sql_rnd()
{
ulong tmp= (ulong) (rand() * 0xffffffff); /* make all bits random */
return tmp;
}
Comp_creator *comp_eq_creator(bool invert);
Comp_creator *comp_ge_creator(bool invert);
Comp_creator *comp_gt_creator(bool invert);
Comp_creator *comp_le_creator(bool invert);
Comp_creator *comp_lt_creator(bool invert);
Comp_creator *comp_ne_creator(bool invert);
Item * all_any_subquery_creator(Item *left_expr,
chooser_compare_func_creator cmp,
bool all,
SELECT_LEX *select_lex);
/**
clean/setup table fields and map.
@param table Table structure pointer (which should be setup)
@param table_list TableList structure pointer (owner of Table)
@param tablenr table number
*/
inline void setup_table_map(Table *table, TableList *table_list, uint32_t tablenr)
{
table->used_fields= 0;
table->const_table= 0;
table->null_row= 0;
table->status= STATUS_NO_RECORD;
table->maybe_null= table_list->outer_join;
TableList *embedding= table_list->embedding;
while (!table->maybe_null && embedding)
{
table->maybe_null= embedding->outer_join;
embedding= embedding->embedding;
}
table->tablenr= tablenr;
table->map= (table_map) 1 << tablenr;
table->force_index= table_list->force_index;
table->covering_keys= table->s->keys_for_keyread;
table->merge_keys.clear_all();
}
#include <drizzled/item_create.h> /* Factory API for creating Item_* instances */
/**
convert a hex digit into number.
*/
inline int hexchar_to_int(char c)
{
if (c <= '9' && c >= '0')
return c-'0';
c|=32;
if (c <= 'f' && c >= 'a')
return c-'a'+10;
return -1;
}
/*
Some functions that are different in the embedded library and the normal
server
*/
extern "C" void unireg_abort(int exit_code) __attribute__((noreturn));
bool check_stack_overrun(Session *session, long margin, unsigned char *dummy);
#endif /* DRIZZLE_SERVER_SERVER_INCLUDES_H */
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