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
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item_jsonfunc.h	25429	0644	edit dl rm
item_row.h	5229	0644	edit dl rm
item_strfunc.h	75265	0644	edit dl rm
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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
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my_time.h	10414	0644	edit dl rm
my_tree.h	3991	0644	edit dl rm
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my_user.h	1126	0644	edit dl rm
my_virtual_mem.h	1255	0644	edit dl rm
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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
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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
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wsrep_condition_variable.h	1484	0644	edit dl rm
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wsrep_mutex.h	1239	0644	edit dl rm
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wsrep_mysqld_c.h	1227	0644	edit dl rm
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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
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wsrep_status.h	1816	0644	edit dl rm
wsrep_storage_service.h	1809	0644	edit dl rm
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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/filesort.h (7283B)

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 */

#ifndef FILESORT_INCLUDED
#define FILESORT_INCLUDED

#include "my_base.h"                            /* ha_rows */
#include "sql_alloc.h"
#include "filesort_utils.h"

class SQL_SELECT;
class THD;
struct TABLE;
class Filesort_tracker;
struct SORT_FIELD;
struct SORT_FIELD_ATTR;
typedef struct st_order ORDER;
class JOIN;
class Addon_fields;
class Sort_keys;

/**
  Sorting related info.
  To be extended by another WL to include complete filesort implementation.
*/
class Filesort: public Sql_alloc
{
public:
  /** List of expressions to order the table by */
  ORDER *order;
  /** Number of records to return */
  ha_rows limit;
  /** ORDER BY list with some precalculated info for filesort */
  SORT_FIELD *sortorder;
  /* Used with ROWNUM. Contains the number of rows filesort has found so far */
  ha_rows *accepted_rows;
  /** select to use for getting records */
  SQL_SELECT *select;

/** TRUE <=> free select on destruction */
  bool own_select;
  /** TRUE means we are using Priority Queue for order by with limit. */
  bool using_pq;
  /* 
    TRUE means sort operation must produce table rowids. 
    FALSE means that it also has an option of producing {sort_key, addon_fields}
          pairs.

Usually initialized with value of join_tab->keep_current_rowid to allow for
    a call to table->file->position() using these table rowids.
  */
  bool sort_positions;
  /*
    TRUE means all the fields of table of whose bitmap read_set is set
         need to be read while reading records in the sort buffer.
    FALSE otherwise
  */
  bool set_all_read_bits;

Filesort_tracker *tracker;
  Sort_keys *sort_keys;

/* Unpack temp table columns to base table columns*/
  void (*unpack)(TABLE *);

Filesort(ORDER *order_arg, ha_rows limit_arg, bool sort_positions_arg,
           SQL_SELECT *select_arg):
    order(order_arg),
    limit(limit_arg),
    sortorder(NULL),
    accepted_rows(0),
    select(select_arg),
    own_select(false), 
    using_pq(false),
    sort_positions(sort_positions_arg),
    set_all_read_bits(false),
    sort_keys(NULL),
    unpack(NULL)
  {
    DBUG_ASSERT(order);
  };

~Filesort() { cleanup(); }
  /* Prepare ORDER BY list for sorting. */
  Sort_keys* make_sortorder(THD *thd, JOIN *join, table_map first_table_bit);

private:
  void cleanup();
};

class SORT_INFO
{
  /// Buffer for sorting keys.
  Filesort_buffer filesort_buffer;

public:
  SORT_INFO()
    :addon_fields(NULL), record_pointers(0),
     sort_keys(NULL),
     sorted_result_in_fsbuf(FALSE)
  {
    buffpek.str= 0;
    my_b_clear(&io_cache);
  }

~SORT_INFO();

void free_data()
  {
    close_cached_file(&io_cache);
    free_addon_buff();
    my_free(record_pointers);
    my_free(buffpek.str);
    my_free(addon_fields);
    free_sort_buffer();
  }

void reset()
  {
    free_data();
    record_pointers= 0;
    buffpek.str= 0;
    addon_fields= 0;
    sorted_result_in_fsbuf= false;
  }

void free_addon_buff();

IO_CACHE  io_cache;           /* If sorted through filesort */
  LEX_STRING buffpek;           /* Buffer for buffpek structures */
  Addon_fields *addon_fields;   /* Addon field descriptors */
  uchar     *record_pointers;    /* If sorted in memory */
  Sort_keys *sort_keys;         /* Sort key descriptors*/

/**
    If the entire result of filesort fits in memory, we skip the merge phase.
    We may leave the result in filesort_buffer
    (indicated by sorted_result_in_fsbuf), or we may strip away
    the sort keys, and copy the sorted result into a new buffer.
    @see save_index()
   */
  bool      sorted_result_in_fsbuf;

/*
    How many rows in final result.
    Also how many rows in record_pointers, if used
  */
  ha_rows   return_rows;
  ha_rows   examined_rows;	/* How many rows read */
  ha_rows   found_rows;         /* How many rows was accepted */

/** Sort filesort_buffer */
  void sort_buffer(Sort_param *param, uint count)
  { filesort_buffer.sort_buffer(param, count); }

uchar **get_sort_keys()
  { return filesort_buffer.get_sort_keys(); }

uchar *get_sorted_record(uint ix)
  { return filesort_buffer.get_sorted_record(ix); }

uchar *alloc_sort_buffer(uint num_records, uint record_length)
  { return filesort_buffer.alloc_sort_buffer(num_records, record_length); }

void free_sort_buffer()
  { filesort_buffer.free_sort_buffer(); }

bool isfull() const
  { return filesort_buffer.isfull(); }
  void init_record_pointers()
  { filesort_buffer.init_record_pointers(); }
  void init_next_record_pointer()
  { filesort_buffer.init_next_record_pointer(); }
  uchar *get_next_record_pointer()
  { return filesort_buffer.get_next_record_pointer(); }
  void adjust_next_record_pointer(uint val)
  { filesort_buffer.adjust_next_record_pointer(val); }

Bounds_checked_array<uchar> get_raw_buf()
  { return filesort_buffer.get_raw_buf(); }

size_t sort_buffer_size() const
  { return filesort_buffer.sort_buffer_size(); }

bool is_allocated() const
  { return filesort_buffer.is_allocated(); }
  void set_sort_length(uint val)
  { filesort_buffer.set_sort_length(val); }
  uint get_sort_length() const
  { return filesort_buffer.get_sort_length(); }

bool has_filesort_result_in_memory() const
  {
    return record_pointers || sorted_result_in_fsbuf;
  }

/// Are we using "addon fields"?
  bool using_addon_fields() const
  {
    return addon_fields != NULL;
  }

/// Are we using "packed addon fields"?
  bool using_packed_addons();

/**
    Copies (unpacks) values appended to sorted fields from a buffer back to
    their regular positions specified by the Field::ptr pointers.
    @param buff            Buffer which to unpack the value from
  */
  template<bool Packed_addon_fields>
  inline void unpack_addon_fields(uchar *buff);

bool using_packed_sortkeys();

friend SORT_INFO *filesort(THD *thd, TABLE *table, Filesort *filesort,
                             Filesort_tracker* tracker, JOIN *join,
                             table_map first_table_bit);
};

SORT_INFO *filesort(THD *thd, TABLE *table, Filesort *filesort,
                    Filesort_tracker* tracker, JOIN *join=NULL,
                    table_map first_table_bit=0);

bool filesort_use_addons(TABLE *table, uint sortlength,
                         uint *length, uint *fields, uint *null_fields,
                         uint *m_packable_length);

void change_double_for_sort(double nr,uchar *to);
void store_length(uchar *to, uint length, uint pack_length);
void
reverse_key(uchar *to, const SORT_FIELD_ATTR *sort_field);

#endif /* FILESORT_INCLUDED */

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