ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / include / mysql / server / private

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 _tree_h
#define _tree_h
#ifdef	__cplusplus
extern "C" {
#endif

#include "my_base.h"		/* get 'enum ha_rkey_function' */
#include "my_alloc.h"           /* MEM_ROOT */

/* Worst case tree is half full. This gives use 2^(MAX_TREE_HEIGHT/2) leafs */
#define MAX_TREE_HEIGHT	64

#define ELEMENT_KEY(tree,element)\
(tree->offset_to_key ? (void*)((uchar*) element+tree->offset_to_key) :\
			*((void**) (element+1)))

#define tree_set_pointer(element,ptr) *((uchar **) (element+1))=((uchar*) (ptr))

/*
  A tree with its flag set to TREE_ONLY_DUPS behaves differently on inserting 
  an element that is not in the tree:
  the element is not added at all, but instead tree_insert() returns a special
  address TREE_ELEMENT_UNIQUE as an indication that the function has not failed
  due to lack of memory. 
*/

#define TREE_ELEMENT_UNIQUE ((TREE_ELEMENT *) 1)
#define TREE_NO_DUPS 1
#define TREE_ONLY_DUPS 2

typedef enum { left_root_right, right_root_left } TREE_WALK;
typedef uint32 element_count;
typedef int (*tree_walk_action)(void *,element_count,void *);

typedef enum { free_init, free_free, free_end } TREE_FREE;
typedef int (*tree_element_free)(void*, TREE_FREE, void *);

typedef struct st_tree_element {
  struct st_tree_element *left,*right;
  uint32 count:31,
	 colour:1;			/* black is marked as 1 */
} TREE_ELEMENT;

#define ELEMENT_CHILD(element, offs) (*(TREE_ELEMENT**)((char*)element + offs))

typedef struct st_tree {
  TREE_ELEMENT *root;
  TREE_ELEMENT **parents[MAX_TREE_HEIGHT];
  uint offset_to_key,elements_in_tree,size_of_element;
  size_t memory_limit, allocated;
  qsort_cmp2 compare;
  void *custom_arg;
  MEM_ROOT mem_root;
  my_bool with_delete;
  tree_element_free free;
  myf my_flags;
  uint flag;
} TREE;

/* Functions on whole tree */
void init_tree(TREE *tree, size_t default_alloc_size, size_t memory_limit,
               int size, qsort_cmp2 compare,
	       tree_element_free free_element, void *custom_arg,
               myf my_flags);
int delete_tree(TREE*, my_bool abort);
int reset_tree(TREE*);

/* similar to delete tree, except we do not my_free() blocks in mem_root */
#define is_tree_inited(tree) ((tree)->root != 0)

/* Functions on leafs */
TREE_ELEMENT *tree_insert(TREE *tree,void *key, uint key_size, 
                          void *custom_arg);
void *tree_search(TREE *tree, void *key, void *custom_arg);
int tree_walk(TREE *tree,tree_walk_action action,
	      void *argument, TREE_WALK visit);
int tree_delete(TREE *tree, void *key, uint key_size, void *custom_arg);
void *tree_search_key(TREE *tree, const void *key, 
                      TREE_ELEMENT **parents, TREE_ELEMENT ***last_pos,
                      enum ha_rkey_function flag, void *custom_arg);
void *tree_search_edge(TREE *tree, TREE_ELEMENT **parents, 
                        TREE_ELEMENT ***last_pos, int child_offs);
void *tree_search_next(TREE *tree, TREE_ELEMENT ***last_pos, int l_offs, 
                       int r_offs);
ha_rows tree_record_pos(TREE *tree, const void *key, 
                     enum ha_rkey_function search_flag, void *custom_arg);
#define reset_free_element(tree) (tree)->free= 0

#define TREE_ELEMENT_EXTRA_SIZE (sizeof(TREE_ELEMENT) + sizeof(void*))

#ifdef	__cplusplus
}
#endif
#endif

[+] ..
[-] sql_manager.h [open]
[-] create_tmp_table.h [open]
[-] lex_ident.h [open]
[-] semisync_slave.h [open]
[-] sql_cache.h [open]
[-] events.h [open]
[-] my_rnd.h [open]
[-] lex_hash.h [open]
[-] discover.h [open]
[-] item_geofunc.h [open]
[-] wsrep_applier.h [open]
[-] my_apc.h [open]
[-] log_event.h [open]
[-] wsrep_thd.h [open]
[-] threadpool_generic.h [open]
[-] my_json_writer.h [open]
[-] mysys_err.h [open]
[-] semisync_master_ack_receiver.h [open]
[-] sql_udf.h [open]
[-] opt_trace_context.h [open]
[-] violite.h [open]
[-] rpl_mi.h [open]
[-] thr_timer.h [open]
[-] bounded_queue.h [open]
[-] item_sum.h [open]
[-] cset_narrowing.h [open]
[-] wsrep_xid.h [open]
[-] my_bitmap.h [open]
[-] table_cache.h [open]
[-] sql_locale.h [open]
[-] sql_plugin.h [open]
[-] handle_connections_win.h [open]
[-] sql_array.h [open]
[-] sql_expression_cache.h [open]
[-] password.h [open]
[-] waiting_threads.h [open]
[-] my_virtual_mem.h [open]
[-] privilege.h [open]
[-] rpl_filter.h [open]
[-] event_db_repository.h [open]
[-] thr_malloc.h [open]
[-] rpl_injector.h [open]
[-] sql_const.h [open]
[-] lex_charset.h [open]
[-] my_cpu.h [open]
[-] sql_rename.h [open]
[-] sp_cache.h [open]
[-] sql_prepare.h [open]
[-] mdl.h [open]
[-] event_scheduler.h [open]
[-] my_md5.h [open]
[-] probes_mysql.h [open]
[-] item_subselect.h [open]
[-] sql_type_geom.h [open]
[-] sql_sequence.h [open]
[-] sql_type_fixedbin.h [open]
[-] wsrep_storage_service.h [open]
[-] item_windowfunc.h [open]
[-] sql_command.h [open]
[-] uniques.h [open]
[-] rpl_record.h [open]
[-] sql_priv.h [open]
[-] sql_digest_stream.h [open]
[-] sql_callback.h [open]
[-] item_row.h [open]
[-] table.h [open]
[-] sql_profile.h [open]
[-] item_create.h [open]
[-] item_jsonfunc.h [open]
[-] sys_vars_shared.h [open]
[-] opt_trace.h [open]
[-] wsrep_types.h [open]
[-] sql_help.h [open]
[-] wsrep_on.h [open]
[-] myisamchk.h [open]
[-] my_compare.h [open]
[-] item_strfunc.h [open]
[-] proxy_protocol.h [open]
[-] wsrep.h [open]
[-] my_stack_alloc.h [open]
[-] my_nosys.h [open]
[-] sql_analyze_stmt.h [open]
[-] datadict.h [open]
[-] wqueue.h [open]
[-] mysqld_suffix.h [open]
[-] protocol.h [open]
[-] wsrep_allowlist_service.h [open]
[-] my_user.h [open]
[-] myisam.h [open]
[-] sql_trigger.h [open]
[-] json_table.h [open]
[-] sql_signal.h [open]
[-] filesort.h [open]
[-] embedded_priv.h [open]
[-] sql_type_json.h [open]
[-] sql_alter.h [open]
[-] heap.h [open]
[-] sql_delete.h [open]
[-] partition_info.h [open]
[-] message.h [open]
[-] sql_sort.h [open]
[-] wsrep_utils.h [open]
[-] rijndael.h [open]
[-] set_var.h [open]
[-] my_minidump.h [open]
[-] compat56.h [open]
[-] client_settings.h [open]
[-] thr_alarm.h [open]
[-] xa.h [open]
[-] assume_aligned.h [open]
[-] my_libwrap.h [open]
[+] atomic
[-] wsrep_status.h [open]
[-] innodb_priv.h [open]
[-] sql_load.h [open]
[-] sql_plugin_compat.h [open]
[-] sp_rcontext.h [open]
[-] wsrep_sst.h [open]
[-] sql_acl.h [open]
[-] procedure.h [open]
[-] pfs_transaction_provider.h [open]
[-] my_atomic.h [open]
[-] item_vers.h [open]
[-] sql_repl.h [open]
[-] sql_do.h [open]
[-] hash_filo.h [open]
[-] pfs_statement_provider.h [open]
[-] service_versions.h [open]
[-] sql_cmd.h [open]
[-] sql_type_string.h [open]
[-] item_timefunc.h [open]
[-] my_handler_errors.h [open]
[-] sql_crypt.h [open]
[-] scheduler.h [open]
[-] pfs_socket_provider.h [open]
[-] tzfile.h [open]
[-] rpl_rli.h [open]
[-] wsrep_mutex.h [open]
[-] keycaches.h [open]
[-] my_time.h [open]
[-] rpl_record_old.h [open]
[-] welcome_copyright_notice.h [open]
[-] item.h [open]
[-] wsrep_server_service.h [open]
[-] t_ctype.h [open]
[-] sql_debug.h [open]
[-] mysqld.h [open]
[-] item_xmlfunc.h [open]
[-] pfs_metadata_provider.h [open]
[-] gstream.h [open]
[-] sql_reload.h [open]
[-] session_tracker.h [open]
[-] config.h [open]
[-] multi_range_read.h [open]
[-] ha_handler_stats.h [open]
[-] my_counter.h [open]
[-] sql_type.h [open]
[-] probes_mysql_nodtrace.h [open]
[-] my_base.h [open]
[-] opt_subselect.h [open]
[-] repl_failsafe.h [open]
[-] handler.h [open]
[-] wsrep_mysqld_c.h [open]
[-] records.h [open]
[-] backup.h [open]
[-] sql_bitmap.h [open]
[-] sql_binlog.h [open]
[-] log_event_data_type.h [open]
[-] wsrep_client_service.h [open]
[-] lex_symbol.h [open]
[-] sql_lex.h [open]
[-] ddl_log.h [open]
[-] create_options.h [open]
[-] group_by_handler.h [open]
[-] strfunc.h [open]
[-] my_service_manager.h [open]
[-] semisync_master.h [open]
[-] sql_db.h [open]
[-] sql_insert.h [open]
[-] my_stacktrace.h [open]
[-] lex.h [open]
[-] item_cmpfunc.h [open]
[-] sql_type_int.h [open]
[-] wsrep_var.h [open]
[-] maria.h [open]
[-] event_data_objects.h [open]
[-] sql_handler.h [open]
[-] source_revision.h [open]
[-] debug.h [open]
[-] rpl_gtid.h [open]
[-] key.h [open]
[-] sql_servers.h [open]
[-] lex_string.h [open]
[-] myisampack.h [open]
[-] rpl_tblmap.h [open]
[-] sql_type_fixedbin_storage.h [open]
[-] my_crypt.h [open]
[-] structs.h [open]
[-] sql_table.h [open]
[-] field.h [open]
[-] sql_plist.h [open]
[-] replication.h [open]
[-] select_handler.h [open]
[-] winservice.h [open]
[-] win_tzname_data.h [open]
[-] slave.h [open]
[-] init.h [open]
[-] sql_get_diagnostics.h [open]
[-] sp_head.h [open]
[-] custom_conf.h [open]
[-] sql_join_cache.h [open]
[-] sql_audit.h [open]
[-] sql_connect.h [open]
[-] wsrep_server_state.h [open]
[+] data
[-] sql_update.h [open]
[-] transaction.h [open]
[-] log_event_old.h [open]
[-] pfs_stage_provider.h [open]
[-] mariadb.h [open]
[-] item_func.h [open]
[-] my_tree.h [open]
[-] sql_tvc.h [open]
[-] rpl_reporting.h [open]
[-] derror.h [open]
[-] sql_schema.h [open]
[-] sql_parse.h [open]
[-] sql_type_real.h [open]
[-] pfs_thread_provider.h [open]
[-] my_check_opt.h [open]
[-] rowid_filter.h [open]
[-] sql_base.h [open]
[-] sql_test.h [open]
[-] sp.h [open]
[-] my_uctype.h [open]
[-] myisammrg.h [open]
[-] sp_pcontext.h [open]
[-] my_bit.h [open]
[-] wsrep_client_state.h [open]
[-] event_queue.h [open]
[-] sql_window.h [open]
[-] sql_limit.h [open]
[-] my_rdtsc.h [open]
[-] sql_list.h [open]
[-] pfs_file_provider.h [open]
[-] rpl_constants.h [open]
[-] sql_explain.h [open]
[-] sql_class.h [open]
[-] sql_i_s.h [open]
[-] sql_lifo_buffer.h [open]
[-] pfs_memory_provider.h [open]
[-] ssl_compat.h [open]
[-] wsrep_mysqld.h [open]
[-] dur_prop.h [open]
[-] sql_union.h [open]
[-] field_comp.h [open]
[-] contributors.h [open]
[-] pfs_table_provider.h [open]
[-] wsrep_condition_variable.h [open]
[-] wsrep_trans_observer.h [open]
[-] rpl_parallel.h [open]
[-] parse_file.h [open]
[-] my_atomic_wrapper.h [open]
[-] sql_alloc.h [open]
[-] threadpool_winsockets.h [open]
[-] sql_show.h [open]
[-] sql_mode.h [open]
[-] gcalc_tools.h [open]
[-] hash.h [open]
[-] sql_partition.h [open]
[-] mysqld_default_groups.h [open]
[-] sql_truncate.h [open]
[-] mem_root_array.h [open]
[-] sql_basic_types.h [open]
[-] socketpair.h [open]
[-] lex_token.h [open]
[-] thr_lock.h [open]
[+] providers
[-] authors.h [open]
[-] sql_error.h [open]
[-] threadpool.h [open]
[-] opt_range.h [open]
[-] log_slow.h [open]
[-] debug_sync.h [open]
[-] ha_partition.h [open]
[-] sql_derived.h [open]
[-] sql_bootstrap.h [open]
[-] gcalc_slicescan.h [open]
[-] queues.h [open]
[-] aria_backup.h [open]
[-] aligned.h [open]
[-] partition_element.h [open]
[-] spatial.h [open]
[-] semisync.h [open]
[-] my_default.h [open]
[-] sql_hset.h [open]
[-] sql_cte.h [open]
[-] opt_histogram_json.h [open]
[-] scope.h [open]
[-] event_parse_data.h [open]
[-] ilist.h [open]
[-] sql_view.h [open]
[-] wsrep_schema.h [open]
[-] lock.h [open]
[-] sql_admin.h [open]
[-] sql_partition_admin.h [open]
[-] vers_string.h [open]
[-] ha_sequence.h [open]
[-] sql_cursor.h [open]
[-] sql_string.h [open]
[-] sql_statistics.h [open]
[-] tztime.h [open]
[-] my_alarm.h [open]
[-] my_decimal.h [open]
[-] sql_analyse.h [open]
[-] sql_digest.h [open]
[-] unireg.h [open]
[-] hostname.h [open]
[-] ft_global.h [open]
[-] grant.h [open]
[-] wsrep_priv.h [open]
[-] log.h [open]
[-] filesort_utils.h [open]
[-] sql_time.h [open]
[-] sql_select.h [open]
[-] wsrep_binlog.h [open]
[-] wsrep_high_priority_service.h [open]
[-] pfs_idle_provider.h [open]
[-] derived_handler.h [open]
[-] thread_cache.h [open]
[-] lf.h [open]
[-] des_key_file.h [open]
[-] span.h [open]
[-] rpl_utility.h [open]