Gecko [ actualbuzz.com ]

Name	Size	Permission	Date
atomic	[ DIR ]	drwxr-xr-x	2026-02-07 01:40
data	[ DIR ]	drwxr-xr-x	2026-01-31 18:09
providers	[ DIR ]	drwxr-xr-x	2026-02-07 01:40
aligned.h	1.11 KB	-rw-r--r--	2026-01-31 10:47
aria_backup.h	1.75 KB	-rw-r--r--	2026-01-31 10:47
assume_aligned.h	2.29 KB	-rw-r--r--	2026-01-31 10:47
authors.h	9.9 KB	-rw-r--r--	2026-01-31 10:47
backup.h	1.66 KB	-rw-r--r--	2026-01-31 10:47
bounded_queue.h	5.95 KB	-rw-r--r--	2026-01-31 10:47
client_settings.h	1.89 KB	-rw-r--r--	2026-01-31 10:47
compat56.h	2.23 KB	-rw-r--r--	2026-01-31 10:47
config.h	14.19 KB	-rw-r--r--	2026-01-31 17:35
contributors.h	4.76 KB	-rw-r--r--	2026-01-31 10:47
create_options.h	4.09 KB	-rw-r--r--	2026-01-31 10:47
create_tmp_table.h	2.74 KB	-rw-r--r--	2026-01-31 10:47
cset_narrowing.h	3.88 KB	-rw-r--r--	2026-01-31 10:47
custom_conf.h	1.06 KB	-rw-r--r--	2026-01-31 10:47
datadict.h	1.66 KB	-rw-r--r--	2026-01-31 10:47
ddl_log.h	12.51 KB	-rw-r--r--	2026-01-31 10:47
debug.h	1.21 KB	-rw-r--r--	2026-01-31 10:47
debug_sync.h	2 KB	-rw-r--r--	2026-01-31 10:47
derived_handler.h	2.32 KB	-rw-r--r--	2026-01-31 10:47
derror.h	980 B	-rw-r--r--	2026-01-31 10:47
des_key_file.h	1.21 KB	-rw-r--r--	2026-01-31 10:47
discover.h	1.53 KB	-rw-r--r--	2026-01-31 10:47
dur_prop.h	1.06 KB	-rw-r--r--	2026-01-31 10:47
embedded_priv.h	1.69 KB	-rw-r--r--	2026-01-31 10:47
event_data_objects.h	4.09 KB	-rw-r--r--	2026-01-31 10:47
event_db_repository.h	3.56 KB	-rw-r--r--	2026-01-31 10:47
event_parse_data.h	2.83 KB	-rw-r--r--	2026-01-31 10:47
event_queue.h	3.36 KB	-rw-r--r--	2026-01-31 10:47
event_scheduler.h	3.21 KB	-rw-r--r--	2026-01-31 10:47
events.h	4.59 KB	-rw-r--r--	2026-01-31 10:47
field.h	217.13 KB	-rw-r--r--	2026-01-31 10:47
field_comp.h	1.15 KB	-rw-r--r--	2026-01-31 10:47
filesort.h	7.11 KB	-rw-r--r--	2026-01-31 10:47
filesort_utils.h	8 KB	-rw-r--r--	2026-01-31 10:47
ft_global.h	3.04 KB	-rw-r--r--	2026-01-31 10:47
gcalc_slicescan.h	16.87 KB	-rw-r--r--	2026-01-31 10:47
gcalc_tools.h	11.62 KB	-rw-r--r--	2026-01-31 10:47
grant.h	2.69 KB	-rw-r--r--	2026-01-31 10:47
group_by_handler.h	3.45 KB	-rw-r--r--	2026-01-31 10:47
gstream.h	2.38 KB	-rw-r--r--	2026-01-31 10:47
ha_handler_stats.h	2.28 KB	-rw-r--r--	2026-01-31 10:47
ha_partition.h	63.18 KB	-rw-r--r--	2026-01-31 10:47
ha_sequence.h	6.1 KB	-rw-r--r--	2026-01-31 10:47
handle_connections_win.h	884 B	-rw-r--r--	2026-01-31 10:47
handler.h	195.05 KB	-rw-r--r--	2026-01-31 10:47
hash.h	4.35 KB	-rw-r--r--	2026-01-31 10:47
hash_filo.h	5.55 KB	-rw-r--r--	2026-01-31 10:47
heap.h	9.26 KB	-rw-r--r--	2026-01-31 10:47
hostname.h	5.29 KB	-rw-r--r--	2026-01-31 10:47
ilist.h	7.07 KB	-rw-r--r--	2026-01-31 10:47
init.h	852 B	-rw-r--r--	2026-01-31 10:47
innodb_priv.h	1.29 KB	-rw-r--r--	2026-01-31 10:47
item.h	276.55 KB	-rw-r--r--	2026-01-31 10:47
item_cmpfunc.h	131.91 KB	-rw-r--r--	2026-01-31 10:47
item_create.h	11.24 KB	-rw-r--r--	2026-01-31 10:47
item_func.h	135.39 KB	-rw-r--r--	2026-01-31 10:47
item_geofunc.h	38.68 KB	-rw-r--r--	2026-01-31 10:47
item_jsonfunc.h	24.67 KB	-rw-r--r--	2026-01-31 10:47
item_row.h	5.11 KB	-rw-r--r--	2026-01-31 10:47
item_strfunc.h	73.24 KB	-rw-r--r--	2026-01-31 10:47
item_subselect.h	57.64 KB	-rw-r--r--	2026-01-31 10:47
item_sum.h	70.99 KB	-rw-r--r--	2026-01-31 10:47
item_timefunc.h	64.35 KB	-rw-r--r--	2026-01-31 10:47
item_vers.h	4.31 KB	-rw-r--r--	2026-01-31 10:47
item_windowfunc.h	33.75 KB	-rw-r--r--	2026-01-31 10:47
item_xmlfunc.h	4.54 KB	-rw-r--r--	2026-01-31 10:47
json_table.h	9.44 KB	-rw-r--r--	2026-01-31 10:47
key.h	2.08 KB	-rw-r--r--	2026-01-31 10:47
keycaches.h	1.95 KB	-rw-r--r--	2026-01-31 10:47
lex.h	29.14 KB	-rw-r--r--	2026-01-31 10:47
lex_charset.h	23.74 KB	-rw-r--r--	2026-01-31 10:47
lex_hash.h	139.75 KB	-rw-r--r--	2026-01-31 17:43
lex_ident.h	2.07 KB	-rw-r--r--	2026-01-31 10:47
lex_string.h	3.98 KB	-rw-r--r--	2026-01-31 10:47
lex_symbol.h	1.29 KB	-rw-r--r--	2026-01-31 10:47
lex_token.h	41.64 KB	-rw-r--r--	2026-01-31 17:43
lf.h	6.31 KB	-rw-r--r--	2026-01-31 10:47
lock.h	2.17 KB	-rw-r--r--	2026-01-31 10:47
log.h	45.28 KB	-rw-r--r--	2026-01-31 10:47
log_event.h	184.67 KB	-rw-r--r--	2026-01-31 10:47
log_event_data_type.h	1.85 KB	-rw-r--r--	2026-01-31 10:47
log_event_old.h	19.37 KB	-rw-r--r--	2026-01-31 10:47
log_slow.h	2.38 KB	-rw-r--r--	2026-01-31 10:47
maria.h	5.73 KB	-rw-r--r--	2026-01-31 10:47
mariadb.h	1.25 KB	-rw-r--r--	2026-01-31 10:47
mdl.h	37.6 KB	-rw-r--r--	2026-01-31 10:47
mem_root_array.h	6.94 KB	-rw-r--r--	2026-01-31 10:47
message.h	1.17 KB	-rw-r--r--	2026-01-31 10:47
multi_range_read.h	22.64 KB	-rw-r--r--	2026-01-31 10:47
my_alarm.h	2.37 KB	-rw-r--r--	2026-01-31 10:47
my_apc.h	4.64 KB	-rw-r--r--	2026-01-31 10:47
my_atomic.h	7.11 KB	-rw-r--r--	2026-01-31 10:47
my_atomic_wrapper.h	2.98 KB	-rw-r--r--	2026-01-31 10:47
my_base.h	27.01 KB	-rw-r--r--	2026-01-31 10:47
my_bit.h	6.05 KB	-rw-r--r--	2026-01-31 10:47
my_bitmap.h	5.37 KB	-rw-r--r--	2026-01-31 10:47
my_check_opt.h	2.56 KB	-rw-r--r--	2026-01-31 10:47
my_compare.h	10.93 KB	-rw-r--r--	2026-01-31 10:47
my_counter.h	1.68 KB	-rw-r--r--	2026-01-31 10:47
my_cpu.h	4.74 KB	-rw-r--r--	2026-01-31 10:47
my_crypt.h	904 B	-rw-r--r--	2026-01-31 10:47
my_decimal.h	14.15 KB	-rw-r--r--	2026-01-31 10:47
my_default.h	1.84 KB	-rw-r--r--	2026-01-31 10:47
my_handler_errors.h	4.77 KB	-rw-r--r--	2026-01-31 10:47
my_json_writer.h	18.14 KB	-rw-r--r--	2026-01-31 10:47
my_libwrap.h	1.16 KB	-rw-r--r--	2026-01-31 10:47
my_md5.h	1.45 KB	-rw-r--r--	2026-01-31 10:47
my_minidump.h	848 B	-rw-r--r--	2026-01-31 10:47
my_nosys.h	1.4 KB	-rw-r--r--	2026-01-31 10:47
my_rdtsc.h	9.88 KB	-rw-r--r--	2026-01-31 10:47
my_rnd.h	1014 B	-rw-r--r--	2026-01-31 10:47
my_service_manager.h	2.04 KB	-rw-r--r--	2026-01-31 10:47
my_stack_alloc.h	6.34 KB	-rw-r--r--	2026-01-31 10:47
my_stacktrace.h	3.14 KB	-rw-r--r--	2026-01-31 10:47
my_time.h	10.17 KB	-rw-r--r--	2026-01-31 10:47
my_tree.h	3.9 KB	-rw-r--r--	2026-01-31 10:47
my_uctype.h	67.9 KB	-rw-r--r--	2026-01-31 10:47
my_user.h	1.1 KB	-rw-r--r--	2026-01-31 10:47
my_virtual_mem.h	1.1 KB	-rw-r--r--	2026-01-31 10:47
myisam.h	17.1 KB	-rw-r--r--	2026-01-31 10:47
myisamchk.h	4.62 KB	-rw-r--r--	2026-01-31 10:47
myisammrg.h	4.78 KB	-rw-r--r--	2026-01-31 10:47
myisampack.h	14.58 KB	-rw-r--r--	2026-01-31 10:47
mysqld.h	40.1 KB	-rw-r--r--	2026-01-31 10:47
mysqld_default_groups.h	204 B	-rw-r--r--	2026-01-31 10:47
mysqld_suffix.h	1.17 KB	-rw-r--r--	2026-01-31 10:47
mysys_err.h	2.95 KB	-rw-r--r--	2026-01-31 10:47
opt_histogram_json.h	4.53 KB	-rw-r--r--	2026-01-31 10:47
opt_range.h	64.36 KB	-rw-r--r--	2026-01-31 10:47
opt_subselect.h	14.2 KB	-rw-r--r--	2026-01-31 10:47
opt_trace.h	8.29 KB	-rw-r--r--	2026-01-31 10:47
opt_trace_context.h	3.21 KB	-rw-r--r--	2026-01-31 10:47
parse_file.h	4.28 KB	-rw-r--r--	2026-01-31 10:47
partition_element.h	5.3 KB	-rw-r--r--	2026-01-31 10:47
partition_info.h	19.4 KB	-rw-r--r--	2026-01-31 10:47
password.h	1.14 KB	-rw-r--r--	2026-01-31 10:47
pfs_file_provider.h	3.08 KB	-rw-r--r--	2026-01-31 10:47
pfs_idle_provider.h	1.35 KB	-rw-r--r--	2026-01-31 10:47
pfs_memory_provider.h	1.59 KB	-rw-r--r--	2026-01-31 10:47
pfs_metadata_provider.h	1.85 KB	-rw-r--r--	2026-01-31 10:47
pfs_socket_provider.h	2.21 KB	-rw-r--r--	2026-01-31 10:47
pfs_stage_provider.h	1.52 KB	-rw-r--r--	2026-01-31 10:47
pfs_statement_provider.h	4.25 KB	-rw-r--r--	2026-01-31 10:47
pfs_table_provider.h	2.56 KB	-rw-r--r--	2026-01-31 10:47
pfs_thread_provider.h	5.43 KB	-rw-r--r--	2026-01-31 10:47
pfs_transaction_provider.h	2.78 KB	-rw-r--r--	2026-01-31 10:47
privilege.h	28.21 KB	-rw-r--r--	2026-01-31 10:47
probes_mysql.h	973 B	-rw-r--r--	2026-01-31 10:47
probes_mysql_nodtrace.h	5.94 KB	-rw-r--r--	2026-01-31 17:33
procedure.h	6.66 KB	-rw-r--r--	2026-01-31 10:47
protocol.h	12.24 KB	-rw-r--r--	2026-01-31 10:47
proxy_protocol.h	548 B	-rw-r--r--	2026-01-31 10:47
queues.h	3.4 KB	-rw-r--r--	2026-01-31 10:47
records.h	3.07 KB	-rw-r--r--	2026-01-31 10:47
repl_failsafe.h	1.55 KB	-rw-r--r--	2026-01-31 10:47
replication.h	15.75 KB	-rw-r--r--	2026-01-31 10:47
rijndael.h	1.67 KB	-rw-r--r--	2026-01-31 10:47
rowid_filter.h	15.11 KB	-rw-r--r--	2026-01-31 10:47
rpl_constants.h	3.28 KB	-rw-r--r--	2026-01-31 10:47
rpl_filter.h	4.66 KB	-rw-r--r--	2026-01-31 10:47
rpl_gtid.h	29.24 KB	-rw-r--r--	2026-01-31 10:47
rpl_injector.h	9.4 KB	-rw-r--r--	2026-01-31 10:47
rpl_mi.h	16.25 KB	-rw-r--r--	2026-01-31 10:47
rpl_parallel.h	17.8 KB	-rw-r--r--	2026-01-31 10:47
rpl_record.h	1.55 KB	-rw-r--r--	2026-01-31 10:47
rpl_record_old.h	1.37 KB	-rw-r--r--	2026-01-31 10:47
rpl_reporting.h	3.63 KB	-rw-r--r--	2026-01-31 10:47
rpl_rli.h	35.22 KB	-rw-r--r--	2026-01-31 10:47
rpl_tblmap.h	3.1 KB	-rw-r--r--	2026-01-31 10:47
rpl_utility.h	9.4 KB	-rw-r--r--	2026-01-31 10:47
scheduler.h	3.12 KB	-rw-r--r--	2026-01-31 10:47
scope.h	4.29 KB	-rw-r--r--	2026-01-31 10:47
select_handler.h	2.18 KB	-rw-r--r--	2026-01-31 10:47
semisync.h	2.23 KB	-rw-r--r--	2026-01-31 10:47
semisync_master.h	25.16 KB	-rw-r--r--	2026-01-31 10:47
semisync_master_ack_receiver.h	8.5 KB	-rw-r--r--	2026-01-31 10:47
semisync_slave.h	3.65 KB	-rw-r--r--	2026-01-31 10:47
service_versions.h	2.23 KB	-rw-r--r--	2026-01-31 10:47
session_tracker.h	13.94 KB	-rw-r--r--	2026-01-31 10:47
set_var.h	16.16 KB	-rw-r--r--	2026-01-31 10:47
slave.h	11.99 KB	-rw-r--r--	2026-01-31 10:47
socketpair.h	842 B	-rw-r--r--	2026-01-31 10:47
source_revision.h	67 B	-rw-r--r--	2026-01-31 10:47
sp.h	22.06 KB	-rw-r--r--	2026-01-31 10:47
sp_cache.h	1.99 KB	-rw-r--r--	2026-01-31 10:47
sp_head.h	63.4 KB	-rw-r--r--	2026-01-31 10:47
sp_pcontext.h	24.31 KB	-rw-r--r--	2026-01-31 10:47
sp_rcontext.h	14.1 KB	-rw-r--r--	2026-01-31 10:47
span.h	3.84 KB	-rw-r--r--	2026-01-31 10:47
spatial.h	22.17 KB	-rw-r--r--	2026-01-31 10:47
sql_acl.h	13.83 KB	-rw-r--r--	2026-01-31 10:47
sql_admin.h	2.85 KB	-rw-r--r--	2026-01-31 10:47
sql_alloc.h	1.69 KB	-rw-r--r--	2026-01-31 10:47
sql_alter.h	15.03 KB	-rw-r--r--	2026-01-31 10:47
sql_analyse.h	10.86 KB	-rw-r--r--	2026-01-31 10:47
sql_analyze_stmt.h	12.39 KB	-rw-r--r--	2026-01-31 10:47
sql_array.h	6.7 KB	-rw-r--r--	2026-01-31 10:47
sql_audit.h	13.83 KB	-rw-r--r--	2026-01-31 10:47
sql_base.h	25.43 KB	-rw-r--r--	2026-01-31 10:47
sql_basic_types.h	9.3 KB	-rw-r--r--	2026-01-31 10:47
sql_binlog.h	895 B	-rw-r--r--	2026-01-31 10:47
sql_bitmap.h	7.66 KB	-rw-r--r--	2026-01-31 10:47
sql_bootstrap.h	1.77 KB	-rw-r--r--	2026-01-31 10:47
sql_cache.h	21.17 KB	-rw-r--r--	2026-01-31 10:47
sql_callback.h	1.51 KB	-rw-r--r--	2026-01-31 10:47
sql_class.h	264.77 KB	-rw-r--r--	2026-01-31 10:47
sql_cmd.h	5.82 KB	-rw-r--r--	2026-01-31 10:47
sql_command.h	4.69 KB	-rw-r--r--	2026-01-31 10:47
sql_connect.h	3.99 KB	-rw-r--r--	2026-01-31 10:47
sql_const.h	11.15 KB	-rw-r--r--	2026-01-31 10:47
sql_crypt.h	1.4 KB	-rw-r--r--	2026-01-31 10:47
sql_cte.h	16.11 KB	-rw-r--r--	2026-01-31 10:47
sql_cursor.h	4.14 KB	-rw-r--r--	2026-01-31 10:47
sql_db.h	2.38 KB	-rw-r--r--	2026-01-31 10:47
sql_debug.h	5.51 KB	-rw-r--r--	2026-01-31 10:47
sql_delete.h	1.31 KB	-rw-r--r--	2026-01-31 10:47
sql_derived.h	1.26 KB	-rw-r--r--	2026-01-31 10:47
sql_digest.h	3.73 KB	-rw-r--r--	2026-01-31 10:47
sql_digest_stream.h	1.53 KB	-rw-r--r--	2026-01-31 10:47
sql_do.h	954 B	-rw-r--r--	2026-01-31 10:47
sql_error.h	38.91 KB	-rw-r--r--	2026-01-31 10:47
sql_explain.h	29.61 KB	-rw-r--r--	2026-01-31 10:47
sql_expression_cache.h	4.26 KB	-rw-r--r--	2026-01-31 10:47
sql_get_diagnostics.h	7.7 KB	-rw-r--r--	2026-01-31 10:47
sql_handler.h	2.84 KB	-rw-r--r--	2026-01-31 10:47
sql_help.h	995 B	-rw-r--r--	2026-01-31 10:47
sql_hset.h	3.32 KB	-rw-r--r--	2026-01-31 10:47
sql_i_s.h	8.29 KB	-rw-r--r--	2026-01-31 10:47
sql_insert.h	5.05 KB	-rw-r--r--	2026-01-31 10:47
sql_join_cache.h	47.52 KB	-rw-r--r--	2026-01-31 10:47
sql_lex.h	170.6 KB	-rw-r--r--	2026-01-31 10:47
sql_lifo_buffer.h	9.45 KB	-rw-r--r--	2026-01-31 10:47
sql_limit.h	3.11 KB	-rw-r--r--	2026-01-31 10:47
sql_list.h	21.87 KB	-rw-r--r--	2026-01-31 10:47
sql_load.h	1.25 KB	-rw-r--r--	2026-01-31 10:47
sql_locale.h	2.64 KB	-rw-r--r--	2026-01-31 10:47
sql_manager.h	960 B	-rw-r--r--	2026-01-31 10:47
sql_mode.h	6.58 KB	-rw-r--r--	2026-01-31 10:47
sql_parse.h	8.76 KB	-rw-r--r--	2026-01-31 10:47
sql_partition.h	12.38 KB	-rw-r--r--	2026-01-31 10:47
sql_partition_admin.h	5.8 KB	-rw-r--r--	2026-01-31 10:47
sql_plist.h	7.53 KB	-rw-r--r--	2026-01-31 10:47
sql_plugin.h	7.4 KB	-rw-r--r--	2026-01-31 10:47
sql_plugin_compat.h	2.18 KB	-rw-r--r--	2026-01-31 10:47
sql_prepare.h	11.14 KB	-rw-r--r--	2026-01-31 10:47
sql_priv.h	18.04 KB	-rw-r--r--	2026-01-31 10:47
sql_profile.h	7.63 KB	-rw-r--r--	2026-01-31 10:47
sql_reload.h	1.01 KB	-rw-r--r--	2026-01-31 10:47
sql_rename.h	982 B	-rw-r--r--	2026-01-31 10:47
sql_repl.h	2.97 KB	-rw-r--r--	2026-01-31 10:47
sql_schema.h	3.23 KB	-rw-r--r--	2026-01-31 10:47
sql_select.h	87.64 KB	-rw-r--r--	2026-01-31 10:47
sql_sequence.h	5.06 KB	-rw-r--r--	2026-01-31 10:47
sql_servers.h	1.74 KB	-rw-r--r--	2026-01-31 10:47
sql_show.h	9.6 KB	-rw-r--r--	2026-01-31 10:47
sql_signal.h	3.28 KB	-rw-r--r--	2026-01-31 10:47
sql_sort.h	21.45 KB	-rw-r--r--	2026-01-31 10:47
sql_statistics.h	16.11 KB	-rw-r--r--	2026-01-31 10:47
sql_string.h	38.09 KB	-rw-r--r--	2026-01-31 10:47
sql_table.h	9.52 KB	-rw-r--r--	2026-01-31 10:47
sql_test.h	1.55 KB	-rw-r--r--	2026-01-31 10:47
sql_time.h	8.18 KB	-rw-r--r--	2026-01-31 10:47
sql_trigger.h	12.04 KB	-rw-r--r--	2026-01-31 10:47
sql_truncate.h	2.03 KB	-rw-r--r--	2026-01-31 10:47
sql_tvc.h	2.36 KB	-rw-r--r--	2026-01-31 10:47
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Rename

#ifndef SQL_ANALYSE_INCLUDED
#define SQL_ANALYSE_INCLUDED

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 */

/* Analyse database */

#ifdef USE_PRAGMA_INTERFACE
#pragma interface				/* gcc class implementation */
#endif

#include "procedure.h"                          /* Procedure */

#define my_thd_charset	default_charset_info

#define DEC_IN_AVG 4

typedef struct st_number_info
{
  // if zerofill is true, the number must be zerofill, or string
  bool	    negative, is_float, zerofill, maybe_zerofill;
  int8	    integers;
  int8	    decimals;
  double    dval;
  ulonglong ullval;
} NUM_INFO;

typedef struct st_extreme_value_number_info
{
  ulonglong ullval;
  longlong  llval;
  double    max_dval, min_dval;
} EV_NUM_INFO;

typedef struct st_tree_info
{
  bool	 found;
  String *str;
  Item	 *item;
} TREE_INFO;

uint check_ulonglong(const char *str, uint length);
bool get_ev_num_info(EV_NUM_INFO *ev_info, NUM_INFO *info, const char *num);
bool test_if_number(NUM_INFO *info, const char *str, uint str_len);
int compare_double(const double *s, const double *t);
int compare_double2(void *, const void *s, const void *t);
int compare_longlong(const longlong *s, const longlong *t);
int compare_longlong2(void *, const void *s, const void *t);
int compare_ulonglong(const ulonglong *s, const ulonglong *t);
int compare_ulonglong2(void *, const void *s, const void *t);
int compare_decimal2(void *len, const void *s, const void *t);
Procedure *proc_analyse_init(THD *thd, ORDER *param, select_result *result,
			     List<Item> &field_list);
int free_string(void* str, TREE_FREE, void*);
class analyse;

class field_info :public Sql_alloc
{
protected:
  ulong   treemem, tree_elements, empty, nulls, min_length, max_length;
  uint	  room_in_tree;
  bool found;
  TREE	  tree;
  Item	  *item;
  analyse *pc;

public:
  field_info(Item* a, analyse* b) : treemem(0), tree_elements(0), empty(0),
    nulls(0), min_length(0), max_length(0), room_in_tree(1),
    found(0),item(a), pc(b) {};

virtual ~field_info() { delete_tree(&tree, 0); }
  virtual void	 add() = 0;
  virtual void	 get_opt_type(String*, ha_rows) = 0;
  virtual String *get_min_arg(String *) = 0;
  virtual String *get_max_arg(String *) = 0;
  virtual String *avg(String*, ha_rows) = 0;
  virtual String *std(String*, ha_rows) = 0;
  virtual tree_walk_action collect_enum() = 0;
  virtual uint decimals() { return 0; }
  friend  class analyse;
};

int collect_string(void *element, element_count count, void *info);

int sortcmp2(void *, const void *a, const void *b);

class field_str :public field_info
{
  String      min_arg, max_arg;
  ulonglong   sum;
  bool	      must_be_blob, was_zero_fill, was_maybe_zerofill,
	      can_be_still_num;
  NUM_INFO    num_info;
  EV_NUM_INFO ev_num_info;

public:
  field_str(Item* a, analyse* b) :field_info(a,b), 
    min_arg("",0,default_charset_info),
    max_arg("",0,default_charset_info), sum(0),
    must_be_blob(0), was_zero_fill(0),
    was_maybe_zerofill(0), can_be_still_num(1)
    {
      init_tree(&tree, 0, 0, sizeof(String), sortcmp2, free_string, NULL,
                MYF(MY_THREAD_SPECIFIC));
    };

void	 add() override;
  void	 get_opt_type(String*, ha_rows) override;
  String *get_min_arg(String *not_used __attribute__((unused))) override
  { return &min_arg; }
  String *get_max_arg(String *not_used __attribute__((unused))) override
  { return &max_arg; }
  String *avg(String *s, ha_rows rows) override
  {
    if (!(rows - nulls))
      s->set_real((double) 0.0, 1,my_thd_charset);
    else
      s->set_real((ulonglong2double(sum) / ulonglong2double(rows - nulls)),
	     DEC_IN_AVG,my_thd_charset);
    return s;
  }
  friend int collect_string(String *element, element_count count,
			    TREE_INFO *info);
  tree_walk_action collect_enum() override
  { return collect_string; }
  String *std(String *s __attribute__((unused)),
	      ha_rows rows __attribute__((unused))) override
  { return (String*) 0; }
};

int collect_decimal(void *element, element_count count, void *info);

class field_decimal :public field_info
{
  my_decimal min_arg, max_arg;
  my_decimal sum[2], sum_sqr[2];
  int cur_sum;
  int bin_size;
public:
  field_decimal(Item* a, analyse* b) :field_info(a,b)
  {
    bin_size= my_decimal_get_binary_size(a->max_length, a->decimals);
    init_tree(&tree, 0, 0, bin_size, compare_decimal2, 0, (void *) &bin_size,
              MYF(MY_THREAD_SPECIFIC));
  };

void	 add() override;
  void	 get_opt_type(String*, ha_rows) override;
  String *get_min_arg(String *) override;
  String *get_max_arg(String *) override;
  String *avg(String *s, ha_rows rows) override;
  friend int collect_decimal(uchar *element, element_count count,
                             TREE_INFO *info);
  tree_walk_action collect_enum() override
  { return collect_decimal; }
  String *std(String *s, ha_rows rows) override;
};

int collect_real(void *element, element_count count, void *info);

class field_real: public field_info
{
  double min_arg, max_arg;
  double sum, sum_sqr;
  uint	 max_notzero_dec_len;

public:
  field_real(Item* a, analyse* b) :field_info(a,b),
    min_arg(0), max_arg(0),  sum(0), sum_sqr(0), max_notzero_dec_len(0)
    {
      init_tree(&tree, 0, 0, sizeof(double), compare_double2, NULL, NULL,
                MYF(MY_THREAD_SPECIFIC));
    }

void	 add() override;
  void	 get_opt_type(String*, ha_rows) override;
  String *get_min_arg(String *s) override
  {
    s->set_real(min_arg, item->decimals, my_thd_charset);
    return s;
  }
  String *get_max_arg(String *s) override
  {
    s->set_real(max_arg, item->decimals, my_thd_charset);
    return s;
  }
  String *avg(String *s, ha_rows rows) override
  {
    if (!(rows - nulls))
      s->set_real((double) 0.0, 1,my_thd_charset);
    else
      s->set_real(((double)sum / (double) (rows - nulls)), item->decimals,my_thd_charset);
    return s;
  }
  String *std(String *s, ha_rows rows) override
  {
    double tmp = ulonglong2double(rows);
    if (!(tmp - nulls))
      s->set_real((double) 0.0, 1,my_thd_charset);
    else
    {
      double tmp2 = ((sum_sqr - sum * sum / (tmp - nulls)) /
		     (tmp - nulls));
      s->set_real(((double) tmp2 <= 0.0 ? 0.0 : sqrt(tmp2)), item->decimals,my_thd_charset);
    }
    return s;
  }
  uint	 decimals() override { return item->decimals; }
  friend int collect_real(double *element, element_count count,
			  TREE_INFO *info);
  tree_walk_action collect_enum() override
  { return collect_real;}
};

int collect_longlong(void *element, element_count count, void *info);

class field_longlong: public field_info
{
  longlong min_arg, max_arg;
  longlong sum, sum_sqr;

public:
  field_longlong(Item* a, analyse* b) :field_info(a,b), 
    min_arg(0), max_arg(0), sum(0), sum_sqr(0)
  {
    init_tree(&tree, 0, 0, sizeof(longlong), compare_longlong2, NULL, NULL,
              MYF(MY_THREAD_SPECIFIC));
  }

void	 add() override;
  void	 get_opt_type(String*, ha_rows) override;
  String *get_min_arg(String *s) override { s->set(min_arg,my_thd_charset); return s; }
  String *get_max_arg(String *s) override { s->set(max_arg,my_thd_charset); return s; }
  String *avg(String *s, ha_rows rows) override
  {
    if (!(rows - nulls))
      s->set_real((double) 0.0, 1,my_thd_charset);
    else
      s->set_real(((double) sum / (double) (rows - nulls)), DEC_IN_AVG,my_thd_charset);
    return s;
  }
  String *std(String *s, ha_rows rows) override
  {
    double tmp = ulonglong2double(rows);
    if (!(tmp - nulls))
      s->set_real((double) 0.0, 1,my_thd_charset);
    else
    {
      double tmp2 = ((sum_sqr - sum * sum / (tmp - nulls)) /
		    (tmp - nulls));
      s->set_real(((double) tmp2 <= 0.0 ? 0.0 : sqrt(tmp2)), DEC_IN_AVG,my_thd_charset);
    }
    return s;
  }
  friend int collect_longlong(longlong *element, element_count count,
			      TREE_INFO *info);
  tree_walk_action collect_enum() override
  { return collect_longlong;}
};

int collect_ulonglong(void *element, element_count count, void *info);

class field_ulonglong: public field_info
{
  ulonglong min_arg, max_arg;
  ulonglong sum, sum_sqr;

public:
  field_ulonglong(Item* a, analyse * b) :field_info(a,b),
    min_arg(0), max_arg(0), sum(0),sum_sqr(0)
  {
    init_tree(&tree, 0, 0, sizeof(ulonglong), compare_ulonglong2, NULL, NULL,
              MYF(MY_THREAD_SPECIFIC));
  }
  void	 add() override;
  void	 get_opt_type(String*, ha_rows) override;
  String *get_min_arg(String *s) override { s->set(min_arg,my_thd_charset); return s; }
  String *get_max_arg(String *s) override { s->set(max_arg,my_thd_charset); return s; }
  String *avg(String *s, ha_rows rows) override
  {
    if (!(rows - nulls))
      s->set_real((double) 0.0, 1,my_thd_charset);
    else
      s->set_real((ulonglong2double(sum) / ulonglong2double(rows - nulls)),
	     DEC_IN_AVG,my_thd_charset);
    return s;
  }
  String *std(String *s, ha_rows rows) override
  {
    double tmp = ulonglong2double(rows);
    if (!(tmp - nulls))
      s->set_real((double) 0.0, 1,my_thd_charset);
    else
    {
      double tmp2 = ((ulonglong2double(sum_sqr) - 
		     ulonglong2double(sum * sum) / (tmp - nulls)) /
		     (tmp - nulls));
      s->set_real(((double) tmp2 <= 0.0 ? 0.0 : sqrt(tmp2)), DEC_IN_AVG,my_thd_charset);
    }
    return s;
  }
  friend int collect_ulonglong(ulonglong *element, element_count count,
			       TREE_INFO *info);
  tree_walk_action collect_enum() override
  { return collect_ulonglong; }
};

Procedure *proc_analyse_init(THD *thd, ORDER *param,
			     select_result *result,
			     List<Item> &field_list);

class analyse: public Procedure
{
protected:
  Item_proc    *func_items[10];
  List<Item>   fields, result_fields;
  field_info   **f_info, **f_end;
  ha_rows      rows;
  uint	       output_str_length;

public:
  uint max_tree_elements, max_treemem;

analyse(select_result *res) :Procedure(res, PROC_NO_SORT), f_info(0),
    rows(0), output_str_length(0) {}

~analyse()
  {
    if (f_info)
    {
      for (field_info **f=f_info; f != f_end; f++)
	delete (*f);
    }
  }
  void add() override {}
  bool change_columns(THD *thd, List<Item> &fields) override;
  int  send_row(List<Item> &field_list) override;
  void end_group(void) override {}
  int end_of_records(void) override;
  friend Procedure *proc_analyse_init(THD *thd, ORDER *param,
				      select_result *result,
				      List<Item> &field_list);
};

#endif /* SQL_ANALYSE_INCLUDED */