FM / private

/usr/include/mysql/server/private

Name	Size	Mode	Actions
atomic/	-	0755	rm
data/	-	0755	rm
providers/	-	0755	rm
aligned.h	1136	0644	edit dl rm
aria_backup.h	1787	0644	edit dl rm
assume_aligned.h	2350	0644	edit dl rm
authors.h	10194	0644	edit dl rm
backup.h	1703	0644	edit dl rm
bounded_queue.h	6093	0644	edit dl rm
client_settings.h	1935	0644	edit dl rm
compat56.h	2280	0644	edit dl rm
config.h	14351	0644	edit dl rm
contributors.h	4931	0644	edit dl rm
create_options.h	4193	0644	edit dl rm
create_tmp_table.h	2808	0644	edit dl rm
cset_narrowing.h	3968	0644	edit dl rm
custom_conf.h	1082	0644	edit dl rm
datadict.h	1700	0644	edit dl rm
ddl_log.h	12807	0644	edit dl rm
debug.h	1234	0644	edit dl rm
debug_sync.h	2046	0644	edit dl rm
derived_handler.h	2379	0644	edit dl rm
derror.h	980	0644	edit dl rm
des_key_file.h	1236	0644	edit dl rm
discover.h	1570	0644	edit dl rm
dur_prop.h	1082	0644	edit dl rm
embedded_priv.h	1733	0644	edit dl rm
events.h	4704	0644	edit dl rm
event_data_objects.h	4187	0644	edit dl rm
event_db_repository.h	3648	0644	edit dl rm
event_parse_data.h	2899	0644	edit dl rm
event_queue.h	3438	0644	edit dl rm
event_scheduler.h	3290	0644	edit dl rm
field.h	222414	0644	edit dl rm
field_comp.h	1174	0644	edit dl rm
filesort.h	7283	0644	edit dl rm
filesort_utils.h	8195	0644	edit dl rm
ft_global.h	3113	0644	edit dl rm
gcalc_slicescan.h	17330	0644	edit dl rm
gcalc_tools.h	11900	0644	edit dl rm
grant.h	2758	0644	edit dl rm
group_by_handler.h	3534	0644	edit dl rm
gstream.h	2437	0644	edit dl rm
handler.h	199857	0644	edit dl rm
handle_connections_win.h	884	0644	edit dl rm
hash.h	4452	0644	edit dl rm
hash_filo.h	5599	0644	edit dl rm
ha_handler_stats.h	2335	0644	edit dl rm
ha_partition.h	64696	0644	edit dl rm
ha_sequence.h	6245	0644	edit dl rm
heap.h	9487	0644	edit dl rm
hostname.h	5419	0644	edit dl rm
ilist.h	7237	0644	edit dl rm
init.h	852	0644	edit dl rm
innodb_priv.h	1319	0644	edit dl rm
item.h	285458	0644	edit dl rm
item_cmpfunc.h	135218	0644	edit dl rm
item_create.h	11508	0644	edit dl rm
item_func.h	138683	0644	edit dl rm
item_geofunc.h	39612	0644	edit dl rm
item_jsonfunc.h	25429	0644	edit dl rm
item_row.h	5229	0644	edit dl rm
item_strfunc.h	75265	0644	edit dl rm
item_subselect.h	59087	0644	edit dl rm
item_sum.h	72695	0644	edit dl rm
item_timefunc.h	65896	0644	edit dl rm
item_vers.h	4413	0644	edit dl rm
item_windowfunc.h	35089	0644	edit dl rm
item_xmlfunc.h	4650	0644	edit dl rm
json_table.h	9667	0644	edit dl rm
key.h	2132	0644	edit dl rm
keycaches.h	1995	0644	edit dl rm
lex.h	29840	0644	edit dl rm
lex_charset.h	24313	0644	edit dl rm
lex_hash.h	143108	0644	edit dl rm
lex_ident.h	2122	0644	edit dl rm
lex_string.h	4077	0644	edit dl rm
lex_symbol.h	1323	0644	edit dl rm
lex_token.h	42641	0644	edit dl rm
lf.h	6462	0644	edit dl rm
lock.h	2220	0644	edit dl rm
log.h	46462	0644	edit dl rm
log_event.h	189467	0644	edit dl rm
log_event_data_type.h	1890	0644	edit dl rm
log_event_old.h	19830	0644	edit dl rm
log_slow.h	2442	0644	edit dl rm
maria.h	5872	0644	edit dl rm
mariadb.h	1277	0644	edit dl rm
mdl.h	38893	0644	edit dl rm
mem_root_array.h	7106	0644	edit dl rm
message.h	1195	0644	edit dl rm
multi_range_read.h	23179	0644	edit dl rm
myisam.h	17506	0644	edit dl rm
myisamchk.h	4734	0644	edit dl rm
myisammrg.h	4897	0644	edit dl rm
myisampack.h	14929	0644	edit dl rm
mysqld.h	41225	0644	edit dl rm
mysqld_default_groups.h	204	0644	edit dl rm
mysqld_suffix.h	1201	0644	edit dl rm
mysys_err.h	3022	0644	edit dl rm
my_alarm.h	2429	0644	edit dl rm
my_apc.h	4747	0644	edit dl rm
my_atomic.h	7281	0644	edit dl rm
my_atomic_wrapper.h	3051	0644	edit dl rm
my_base.h	27750	0644	edit dl rm
my_bit.h	6196	0644	edit dl rm
my_bitmap.h	5502	0644	edit dl rm
my_check_opt.h	2618	0644	edit dl rm
my_compare.h	11194	0644	edit dl rm
my_counter.h	1721	0644	edit dl rm
my_cpu.h	4885	0644	edit dl rm
my_crypt.h	904	0644	edit dl rm
my_decimal.h	14504	0644	edit dl rm
my_default.h	1880	0644	edit dl rm
my_handler_errors.h	4882	0644	edit dl rm
my_json_writer.h	18706	0644	edit dl rm
my_libwrap.h	1183	0644	edit dl rm
my_md5.h	1486	0644	edit dl rm
my_minidump.h	848	0644	edit dl rm
my_nosys.h	1438	0644	edit dl rm
my_rdtsc.h	10119	0644	edit dl rm
my_rnd.h	1014	0644	edit dl rm
my_service_manager.h	2087	0644	edit dl rm
my_stacktrace.h	3215	0644	edit dl rm
my_stack_alloc.h	6493	0644	edit dl rm
my_time.h	10414	0644	edit dl rm
my_tree.h	3991	0644	edit dl rm
my_uctype.h	69528	0644	edit dl rm
my_user.h	1126	0644	edit dl rm
my_virtual_mem.h	1255	0644	edit dl rm
opt_histogram_json.h	4638	0644	edit dl rm
opt_range.h	65903	0644	edit dl rm
opt_subselect.h	14545	0644	edit dl rm
opt_trace.h	9505	0644	edit dl rm
opt_trace_context.h	3291	0644	edit dl rm
parse_file.h	4424	0644	edit dl rm
partition_element.h	5428	0644	edit dl rm
partition_info.h	19864	0644	edit dl rm
password.h	1621	0644	edit dl rm
pfs_file_provider.h	3153	0644	edit dl rm
pfs_idle_provider.h	1385	0644	edit dl rm
pfs_memory_provider.h	1626	0644	edit dl rm
pfs_metadata_provider.h	1898	0644	edit dl rm
pfs_socket_provider.h	2258	0644	edit dl rm
pfs_stage_provider.h	1556	0644	edit dl rm
pfs_statement_provider.h	4347	0644	edit dl rm
pfs_table_provider.h	2625	0644	edit dl rm
pfs_thread_provider.h	5560	0644	edit dl rm
pfs_transaction_provider.h	2846	0644	edit dl rm
privilege.h	28853	0644	edit dl rm
probes_mysql.h	973	0644	edit dl rm
probes_mysql_nodtrace.h	6087	0644	edit dl rm
procedure.h	6819	0644	edit dl rm
protocol.h	12537	0644	edit dl rm
proxy_protocol.h	548	0644	edit dl rm
queues.h	3477	0644	edit dl rm
records.h	3147	0644	edit dl rm
replication.h	16130	0644	edit dl rm
repl_failsafe.h	1585	0644	edit dl rm
rijndael.h	1711	0644	edit dl rm
rowid_filter.h	15474	0644	edit dl rm
rpl_constants.h	3357	0644	edit dl rm
rpl_filter.h	4774	0644	edit dl rm
rpl_gtid.h	29985	0644	edit dl rm
rpl_injector.h	9621	0644	edit dl rm
rpl_mi.h	16636	0644	edit dl rm
rpl_parallel.h	18228	0644	edit dl rm
rpl_record.h	1585	0644	edit dl rm
rpl_record_old.h	1407	0644	edit dl rm
rpl_reporting.h	3713	0644	edit dl rm
rpl_rli.h	36070	0644	edit dl rm
rpl_tblmap.h	3177	0644	edit dl rm
rpl_utility.h	9800	0644	edit dl rm
scheduler.h	3199	0644	edit dl rm
scope.h	4393	0644	edit dl rm
select_handler.h	2228	0644	edit dl rm
semisync.h	2287	0644	edit dl rm
semisync_master.h	25764	0644	edit dl rm
semisync_master_ack_receiver.h	8709	0644	edit dl rm
semisync_slave.h	3736	0644	edit dl rm
service_versions.h	2285	0644	edit dl rm
session_tracker.h	14275	0644	edit dl rm
set_var.h	17331	0644	edit dl rm
slave.h	12392	0644	edit dl rm
socketpair.h	842	0644	edit dl rm
source_revision.h	67	0644	edit dl rm
sp.h	22588	0644	edit dl rm
span.h	3931	0644	edit dl rm
spatial.h	22698	0644	edit dl rm
sp_cache.h	2037	0644	edit dl rm
sp_head.h	64917	0644	edit dl rm
sp_pcontext.h	25427	0644	edit dl rm
sp_rcontext.h	14441	0644	edit dl rm
sql_acl.h	14167	0644	edit dl rm
sql_admin.h	2915	0644	edit dl rm
sql_alloc.h	1732	0644	edit dl rm
sql_alter.h	15395	0644	edit dl rm
sql_analyse.h	11052	0644	edit dl rm
sql_analyze_stmt.h	12683	0644	edit dl rm
sql_array.h	6858	0644	edit dl rm
sql_audit.h	14162	0644	edit dl rm
sql_base.h	26050	0644	edit dl rm
sql_basic_types.h	9523	0644	edit dl rm
sql_binlog.h	895	0644	edit dl rm
sql_bitmap.h	7842	0644	edit dl rm
sql_bootstrap.h	1812	0644	edit dl rm
sql_cache.h	21676	0644	edit dl rm
sql_callback.h	1542	0644	edit dl rm
sql_class.h	271836	0644	edit dl rm
sql_cmd.h	5962	0644	edit dl rm
sql_command.h	4800	0644	edit dl rm
sql_connect.h	4087	0644	edit dl rm
sql_const.h	11630	0644	edit dl rm
sql_crypt.h	1437	0644	edit dl rm
sql_cte.h	16494	0644	edit dl rm
sql_cursor.h	4428	0644	edit dl rm
sql_db.h	2438	0644	edit dl rm
sql_debug.h	5727	0644	edit dl rm
sql_delete.h	1343	0644	edit dl rm
sql_derived.h	1289	0644	edit dl rm
sql_digest.h	3819	0644	edit dl rm
sql_digest_stream.h	1567	0644	edit dl rm
sql_do.h	954	0644	edit dl rm
sql_error.h	39843	0644	edit dl rm
sql_explain.h	30319	0644	edit dl rm
sql_expression_cache.h	4359	0644	edit dl rm
sql_get_diagnostics.h	7883	0644	edit dl rm
sql_handler.h	2910	0644	edit dl rm
sql_help.h	995	0644	edit dl rm
sql_hset.h	3401	0644	edit dl rm
sql_insert.h	5173	0644	edit dl rm
sql_i_s.h	8487	0644	edit dl rm
sql_join_cache.h	48659	0644	edit dl rm
sql_lex.h	174931	0644	edit dl rm
sql_lifo_buffer.h	9685	0644	edit dl rm
sql_limit.h	3187	0644	edit dl rm
sql_list.h	22391	0644	edit dl rm
sql_load.h	1276	0644	edit dl rm
sql_locale.h	2701	0644	edit dl rm
sql_manager.h	960	0644	edit dl rm
sql_mode.h	6735	0644	edit dl rm
sql_parse.h	8970	0644	edit dl rm
sql_partition.h	12674	0644	edit dl rm
sql_partition_admin.h	5940	0644	edit dl rm
sql_plist.h	7711	0644	edit dl rm
sql_plugin.h	7577	0644	edit dl rm
sql_plugin_compat.h	2237	0644	edit dl rm
sql_prepare.h	11409	0644	edit dl rm
sql_priv.h	18528	0644	edit dl rm
sql_profile.h	7816	0644	edit dl rm
sql_reload.h	1036	0644	edit dl rm
sql_rename.h	982	0644	edit dl rm
sql_repl.h	3045	0644	edit dl rm
sql_schema.h	3303	0644	edit dl rm
sql_select.h	89743	0644	edit dl rm
sql_sequence.h	5177	0644	edit dl rm
sql_servers.h	1777	0644	edit dl rm
sql_show.h	9819	0644	edit dl rm
sql_signal.h	3362	0644	edit dl rm
sql_sort.h	21964	0644	edit dl rm
sql_statistics.h	16504	0644	edit dl rm
sql_string.h	39009	0644	edit dl rm
sql_table.h	9812	0644	edit dl rm
sql_test.h	2665	0644	edit dl rm
sql_time.h	8505	0644	edit dl rm
sql_trigger.h	12332	0644	edit dl rm
sql_truncate.h	2079	0644	edit dl rm
sql_tvc.h	2418	0644	edit dl rm
sql_type.h	297272	0644	edit dl rm
sql_type_fixedbin.h	65578	0644	edit dl rm
sql_type_fixedbin_storage.h	5467	0644	edit dl rm
sql_type_geom.h	19039	0644	edit dl rm
sql_type_int.h	10001	0644	edit dl rm
sql_type_json.h	6155	0644	edit dl rm
sql_type_real.h	1257	0644	edit dl rm
sql_type_string.h	1629	0644	edit dl rm
sql_udf.h	4850	0644	edit dl rm
sql_union.h	1068	0644	edit dl rm
sql_update.h	1923	0644	edit dl rm
sql_view.h	2470	0644	edit dl rm
sql_window.h	6814	0644	edit dl rm
ssl_compat.h	3380	0644	edit dl rm
strfunc.h	2549	0644	edit dl rm
structs.h	29457	0644	edit dl rm
sys_vars_shared.h	2729	0644	edit dl rm
table.h	119009	0644	edit dl rm
table_cache.h	4232	0644	edit dl rm
threadpool.h	4810	0644	edit dl rm
threadpool_generic.h	3969	0644	edit dl rm
threadpool_winsockets.h	2290	0644	edit dl rm
thread_cache.h	5905	0644	edit dl rm
thr_alarm.h	2932	0644	edit dl rm
thr_lock.h	7350	0644	edit dl rm
thr_malloc.h	1202	0644	edit dl rm
thr_timer.h	1563	0644	edit dl rm
transaction.h	1466	0644	edit dl rm
tzfile.h	5014	0644	edit dl rm
tztime.h	3397	0644	edit dl rm
t_ctype.h	5639	0644	edit dl rm
uniques.h	4217	0644	edit dl rm
unireg.h	7722	0644	edit dl rm
vers_string.h	2543	0644	edit dl rm
violite.h	9956	0644	edit dl rm
waiting_threads.h	4532	0644	edit dl rm
welcome_copyright_notice.h	1218	0644	edit dl rm
winservice.h	6019	0644	edit dl rm
win_tzname_data.h	6506	0644	edit dl rm
wqueue.h	1565	0644	edit dl rm
wsrep.h	3308	0644	edit dl rm
wsrep_allowlist_service.h	1035	0644	edit dl rm
wsrep_applier.h	2703	0644	edit dl rm
wsrep_binlog.h	3551	0644	edit dl rm
wsrep_client_service.h	2602	0644	edit dl rm
wsrep_client_state.h	1566	0644	edit dl rm
wsrep_condition_variable.h	1484	0644	edit dl rm
wsrep_high_priority_service.h	4912	0644	edit dl rm
wsrep_mutex.h	1239	0644	edit dl rm
wsrep_mysqld.h	22006	0644	edit dl rm
wsrep_mysqld_c.h	1227	0644	edit dl rm
wsrep_on.h	1718	0644	edit dl rm
wsrep_priv.h	1634	0644	edit dl rm
wsrep_schema.h	5886	0644	edit dl rm
wsrep_server_service.h	3631	0644	edit dl rm
wsrep_server_state.h	2529	0644	edit dl rm
wsrep_sst.h	3951	0644	edit dl rm
wsrep_status.h	1816	0644	edit dl rm
wsrep_storage_service.h	1809	0644	edit dl rm
wsrep_thd.h	11487	0644	edit dl rm
wsrep_trans_observer.h	18174	0644	edit dl rm
wsrep_types.h	1110	0644	edit dl rm
wsrep_utils.h	10251	0644	edit dl rm
wsrep_var.h	4612	0644	edit dl rm
wsrep_xid.h	1509	0644	edit dl rm
xa.h	1845	0644	edit dl rm

Edit: /usr/include/mysql/server/private/sql_const.h (11630B)

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  02110-1335  USA */

/**
  @file
  File containing constants that can be used throughout the server.

@note This file shall not contain or include any declarations of any kinds.
*/

#ifndef SQL_CONST_INCLUDED
#define SQL_CONST_INCLUDED

#include <mysql_version.h>

#define LIBLEN FN_REFLEN-FN_LEN			/* Max l{ngd p} dev */
/* extra 4+4 bytes for slave tmp tables */
#define MAX_DBKEY_LENGTH (NAME_LEN*2+1+1+4+4)
#define MAX_ALIAS_NAME 256
#define MAX_FIELD_NAME (NAME_LEN+1)             /* Max colum name length +1 */
#define MAX_SYS_VAR_LENGTH 32
#define MAX_KEY MAX_INDEXES                     /* Max used keys */
#define MAX_REF_PARTS 32			/* Max parts used as ref */

/*
  Maximum length of the data part of an index lookup key.

The "data part" is defined as the value itself, not including the
  NULL-indicator bytes or varchar length bytes ("the Extras"). We need this
  value because there was a bug where length of the Extras were not counted.

You probably need MAX_KEY_LENGTH, not this constant.
*/
#define MAX_DATA_LENGTH_FOR_KEY 3072
#if SIZEOF_OFF_T > 4
#define MAX_REFLENGTH 8				/* Max length for record ref */
#else
#define MAX_REFLENGTH 4				/* Max length for record ref */
#endif
#define MAX_HOSTNAME  (HOSTNAME_LENGTH + 1)	/* len+1 in mysql.user */
#define MAX_CONNECTION_NAME NAME_LEN

#define MAX_MBWIDTH		3		/* Max multibyte sequence */
#define MAX_FILENAME_MBWIDTH    5
#define MAX_FIELD_CHARLENGTH	255
/*
  In MAX_FIELD_VARCHARLENGTH we reserve extra bytes for the overhead:
  - 2 bytes for the length
  - 1 byte for NULL bits
  to avoid the "Row size too large" error for these three corner definitions:
    CREATE TABLE t1 (c VARBINARY(65533));
    CREATE TABLE t1 (c VARBINARY(65534));
    CREATE TABLE t1 (c VARBINARY(65535));
  Like VARCHAR(65536), they will be converted to BLOB automatically
  in non-strict mode.
*/
#define MAX_FIELD_VARCHARLENGTH	(65535-2-1)
#define MAX_FIELD_BLOBLENGTH UINT_MAX32         /* cf field_blob::get_length() */
#define CONVERT_IF_BIGGER_TO_BLOB 512           /* Threshold *in characters*   */

/* Max column width +1 */
#define MAX_FIELD_WIDTH		(MAX_FIELD_CHARLENGTH*MAX_MBWIDTH+1)

#define MAX_BIT_FIELD_LENGTH    64      /* Max length in bits for bit fields */

#define MAX_DATE_WIDTH		10	/* YYYY-MM-DD */
#define MIN_TIME_WIDTH          10      /* -HHH:MM:SS */
#define MAX_TIME_WIDTH          16      /* -DDDDDD HH:MM:SS */
#define MAX_TIME_FULL_WIDTH     23      /* -DDDDDD HH:MM:SS.###### */
#define MAX_DATETIME_FULL_WIDTH 26	/* YYYY-MM-DD HH:MM:SS.###### */
#define MAX_DATETIME_WIDTH	19	/* YYYY-MM-DD HH:MM:SS */
#define MAX_DATETIME_COMPRESSED_WIDTH 14  /* YYYYMMDDHHMMSS */
#define MAX_DATETIME_PRECISION  6

#define MAX_TABLES	(sizeof(table_map)*8-3)	/* Max tables in join */
#define PARAM_TABLE_BIT	(((table_map) 1) << (sizeof(table_map)*8-3))
#define OUTER_REF_TABLE_BIT	(((table_map) 1) << (sizeof(table_map)*8-2))
#define RAND_TABLE_BIT	(((table_map) 1) << (sizeof(table_map)*8-1))
#define PSEUDO_TABLE_BITS (PARAM_TABLE_BIT | OUTER_REF_TABLE_BIT | \
                           RAND_TABLE_BIT)
#define CONNECT_STRING_MAXLEN   65535           /* stored in 2 bytes in .frm */
#define MAX_FIELDS	4096			/* Limit in the .frm file */
#define MAX_PARTITIONS  8192

#define MAX_SELECT_NESTING (SELECT_NESTING_MAP_SIZE - 1)

#define MAX_SORT_MEMORY 2048*1024
#define MIN_SORT_MEMORY 1024

/* Some portable defines */

#define STRING_BUFFER_USUAL_SIZE 80

/* Memory allocated when parsing a statement / saving a statement */
#define MEM_ROOT_BLOCK_SIZE       8192
#define MEM_ROOT_PREALLOC         8192
#define TRANS_MEM_ROOT_BLOCK_SIZE 4096
#define TRANS_MEM_ROOT_PREALLOC   4096

#define DEFAULT_ERROR_COUNT	64
#define EXTRA_RECORDS	10			/* Extra records in sort */
#define SCROLL_EXTRA	5			/* Extra scroll-rows. */
#define FIELD_NAME_USED ((uint) 32768)		/* Bit set if fieldname used */
#define FORM_NAME_USED	((uint) 16384)		/* Bit set if formname used */
#define FIELD_NR_MASK	16383			/* To get fieldnumber */
#define FERR		-1			/* Error from my_functions */
#define CREATE_MODE	0			/* Default mode on new files */
#define NAMES_SEP_CHAR	255			/* Char to sep. names */

#define READ_RECORD_BUFFER	(uint) (IO_SIZE*8) /* Pointer_buffer_size */
#define DISK_BUFFER_SIZE	(uint) (IO_SIZE*16) /* Size of diskbuffer */

#define FRM_VER_TRUE_VARCHAR (FRM_VER+4) /* 10 */
#define FRM_VER_EXPRESSSIONS (FRM_VER+5) /* 11 */
#define FRM_VER_CURRENT  FRM_VER_EXPRESSSIONS

/***************************************************************************
  Configuration parameters
****************************************************************************/

#define ACL_CACHE_SIZE		256
#define MAX_PASSWORD_LENGTH	32
#define HOST_CACHE_SIZE		128
#define MAX_ACCEPT_RETRY	10	// Test accept this many times
#define MAX_FIELDS_BEFORE_HASH	32
#define USER_VARS_HASH_SIZE     16
#define SEQUENCES_HASH_SIZE     16
#define TABLE_OPEN_CACHE_MIN    200
#define TABLE_OPEN_CACHE_DEFAULT 2000
#define TABLE_DEF_CACHE_DEFAULT 400
/**
  We must have room for at least 400 table definitions in the table
  cache, since otherwise there is no chance prepared
  statements that use these many tables can work.
  Prepared statements use table definition cache ids (table_map_id)
  as table version identifiers. If the table definition
  cache size is less than the number of tables used in a statement,
  the contents of the table definition cache is guaranteed to rotate
  between a prepare and execute. This leads to stable validation
  errors. In future we shall use more stable version identifiers,
  for now the only solution is to ensure that the table definition
  cache can contain at least all tables of a given statement.
*/
#define TABLE_DEF_CACHE_MIN     400

/**
 Maximum number of connections default value.
 151 is larger than Apache's default max children,
 to avoid "too many connections" error in a common setup.
*/
#define MAX_CONNECTIONS_DEFAULT 151

/*
  Stack reservation.
  Feel free to raise this by the smallest amount you can to get the
  "execution_constants" test to pass.
*/
#ifndef __has_feature
#define __has_feature(x) 0
#endif
/*
  Note, rather than trying to micro adjust these every time
  slightly different test fails, potentially on slightly different
  compiler, look at adjusting the test. For example main.sp-error
  at Bug#15192.
*/
#if defined(__clang__) && __has_feature(memory_sanitizer) && !defined(DBUG_OFF)
#define STACK_MIN_SIZE          44000
#else
#define STACK_MIN_SIZE          16000   // Abort if less stack during eval.
#endif

#define STACK_MIN_SIZE_FOR_OPEN (1024*80)
#define STACK_BUFF_ALLOC        352     ///< For stack overrun checks
#ifndef MYSQLD_NET_RETRY_COUNT
#define MYSQLD_NET_RETRY_COUNT  10	///< Abort read after this many int.
#endif

/*
  Allocations with MEM_ROOT. We should try to keep these as powers of 2
  and not higher than 32768 to get full benefit of allocators like
  tcmalloc that will for these use a local heap without locks.
*/

#define QUERY_ALLOC_BLOCK_SIZE		32768
#define QUERY_ALLOC_PREALLOC_SIZE   	32768 /* 65536 could be better */
#define TRANS_ALLOC_BLOCK_SIZE		8192
#define TRANS_ALLOC_PREALLOC_SIZE	4096
#define RANGE_ALLOC_BLOCK_SIZE		4096
#define ACL_ALLOC_BLOCK_SIZE		1024
#define UDF_ALLOC_BLOCK_SIZE		1024
#define TABLE_PREALLOC_BLOCK_SIZE	8192
#define TABLE_ALLOC_BLOCK_SIZE		4096
#define WARN_ALLOC_BLOCK_SIZE		2048
#define WARN_ALLOC_PREALLOC_SIZE	1024
#define TMP_TABLE_BLOCK_SIZE            16384
#define TMP_TABLE_PREALLOC_SIZE         32768
#define SHOW_ALLOC_BLOCK_SIZE           32768

/*
  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 (10L*1024*1024)
#define MIN_ROWS_TO_USE_TABLE_CACHE	 100
#define MIN_ROWS_TO_USE_BULK_INSERT	 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         5.0	//  5 WHERE compares == one read
#define TIME_FOR_COMPARE_IDX    20.0

#define IDX_BLOCK_COPY_COST  ((double) 1 / TIME_FOR_COMPARE)
#define IDX_LOOKUP_COST      ((double) 1 / 8)
#define MULTI_RANGE_READ_SETUP_COST (IDX_BLOCK_COPY_COST/10)

/**
  Number of comparisons of table rowids equivalent to reading one row from a 
  table.
*/
#define TIME_FOR_COMPARE_ROWID  (TIME_FOR_COMPARE*100)

/* cost1 is better that cost2 only if cost1 + COST_EPS < cost2 */
#define COST_EPS  0.001

/*
  For sequential disk seeks the cost formula is:
    DISK_SEEK_BASE_COST + DISK_SEEK_PROP_COST * #blocks_to_skip  
  
  The cost of average seek 
    DISK_SEEK_BASE_COST + DISK_SEEK_PROP_COST*BLOCKS_IN_AVG_SEEK =1.0.
*/
#define DISK_SEEK_BASE_COST ((double)0.9)

#define BLOCKS_IN_AVG_SEEK  128

#define DISK_SEEK_PROP_COST ((double)0.1/BLOCKS_IN_AVG_SEEK)

/**
  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

/*
  Subquery materialization-related constants
*/
#define HEAP_TEMPTABLE_LOOKUP_COST 0.05
#define DISK_TEMPTABLE_LOOKUP_COST 1.0
#define SORT_INDEX_CMP_COST 0.02

#define COST_MAX (DBL_MAX * (1.0 - DBL_EPSILON))

#define COST_ADD(c,d) (COST_MAX - (d) > (c) ? (c) + (d) : COST_MAX)

#define COST_MULT(c,f) (COST_MAX / (f) > (c) ? (c) * (f) : COST_MAX)

#define MY_CHARSET_BIN_MB_MAXLEN 1

/** 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
/* Characters shown for the command in 'information_schema.processlist' */
#define PROCESS_LIST_INFO_WIDTH 65535

#define PRECISION_FOR_DOUBLE 53
#define PRECISION_FOR_FLOAT  24

/* -[digits].E+## */
#define MAX_FLOAT_STR_LENGTH (FLT_DIG + 6)
/* -[digits].E+### */
#define MAX_DOUBLE_STR_LENGTH (DBL_DIG + 7)

/*
  Default time to wait before aborting a new client connection
  that does not respond to "initial server greeting" timely
*/
#define CONNECT_TIMEOUT		10
 /* Wait 5 minutes before removing thread from thread cache */
#define THREAD_CACHE_TIMEOUT	5*60

/* The following can also be changed from the command line */
#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 MAX_CONNECT_ERRORS	100		///< errors before disabling host

#define LONG_TIMEOUT ((ulong) 3600L*24L*365L)

/**
  Maximum length of time zone name that we support (Time zone name is
  char(64) in db). mysqlbinlog needs it.
*/
#define MAX_TIME_ZONE_NAME_LENGTH       (NAME_LEN + 1)

#define SP_PSI_STATEMENT_INFO_COUNT 19

#endif /* SQL_CONST_INCLUDED */

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