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aligned.h
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aria_backup.h
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assume_aligned.h
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atomic
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authors.h
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backup.h
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bounded_queue.h
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client_settings.h
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compat56.h
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config.h
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contributors.h
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create_options.h
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create_tmp_table.h
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cset_narrowing.h
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custom_conf.h
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datadict.h
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ddl_log.h
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debug.h
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debug_sync.h
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derived_handler.h
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derror.h
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des_key_file.h
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discover.h
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dur_prop.h
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embedded_priv.h
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event_data_objects.h
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event_db_repository.h
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event_parse_data.h
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event_queue.h
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event_scheduler.h
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events.h
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field.h
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field_comp.h
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filesort.h
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filesort_utils.h
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ft_global.h
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gcalc_slicescan.h
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gcalc_tools.h
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grant.h
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group_by_handler.h
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gstream.h
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ha_handler_stats.h
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ha_partition.h
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ha_sequence.h
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handle_connections_win.h
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handler.h
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hash.h
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hash_filo.h
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heap.h
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hostname.h
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ilist.h
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init.h
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innodb_priv.h
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item.h
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item_cmpfunc.h
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item_create.h
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item_func.h
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item_geofunc.h
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item_jsonfunc.h
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item_row.h
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item_strfunc.h
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item_subselect.h
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item_sum.h
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item_timefunc.h
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item_vers.h
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item_windowfunc.h
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item_xmlfunc.h
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json_table.h
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key.h
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keycaches.h
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lex.h
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lex_string.h
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lex_symbol.h
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lf.h
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lock.h
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log.h
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log_event.h
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log_event_data_type.h
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log_event_old.h
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log_slow.h
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maria.h
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mariadb.h
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mdl.h
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mem_root_array.h
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message.h
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multi_range_read.h
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my_alarm.h
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my_apc.h
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my_atomic.h
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my_atomic_wrapper.h
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my_base.h
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my_bit.h
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my_bitmap.h
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my_check_opt.h
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my_compare.h
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my_counter.h
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my_cpu.h
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my_crypt.h
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my_decimal.h
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my_default.h
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my_handler_errors.h
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my_json_writer.h
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my_libwrap.h
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my_md5.h
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my_minidump.h
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my_nosys.h
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my_rdtsc.h
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my_rnd.h
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my_service_manager.h
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my_stack_alloc.h
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my_stacktrace.h
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my_time.h
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my_tree.h
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my_uctype.h
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my_user.h
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myisam.h
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myisamchk.h
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myisammrg.h
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myisampack.h
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mysqld.h
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mysqld_default_groups.h
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mysqld_suffix.h
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mysys_err.h
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opt_range.h
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opt_subselect.h
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opt_trace.h
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opt_trace_context.h
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parse_file.h
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partition_element.h
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partition_info.h
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password.h
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pfs_file_provider.h
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pfs_idle_provider.h
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pfs_memory_provider.h
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pfs_metadata_provider.h
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pfs_socket_provider.h
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pfs_stage_provider.h
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pfs_statement_provider.h
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pfs_table_provider.h
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pfs_thread_provider.h
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pfs_transaction_provider.h
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privilege.h
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probes_mysql.h
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probes_mysql_dtrace.h
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probes_mysql_nodtrace.h
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procedure.h
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protocol.h
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proxy_protocol.h
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queues.h
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records.h
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repl_failsafe.h
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replication.h
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rijndael.h
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rowid_filter.h
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rpl_constants.h
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rpl_filter.h
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rpl_gtid.h
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rpl_injector.h
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rpl_mi.h
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rpl_parallel.h
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rpl_record.h
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rpl_record_old.h
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rpl_reporting.h
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rpl_rli.h
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rpl_tblmap.h
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rpl_utility.h
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scheduler.h
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scope.h
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select_handler.h
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semisync.h
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semisync_master.h
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semisync_master_ack_receiver.h
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semisync_slave.h
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service_versions.h
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session_tracker.h
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set_var.h
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slave.h
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socketpair.h
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source_revision.h
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sp.h
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sp_cache.h
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sp_head.h
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sp_pcontext.h
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sp_rcontext.h
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span.h
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spatial.h
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sql_acl.h
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sql_admin.h
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sql_alloc.h
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sql_alter.h
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sql_analyse.h
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sql_analyze_stmt.h
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sql_array.h
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sql_audit.h
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sql_base.h
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sql_basic_types.h
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sql_binlog.h
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sql_bitmap.h
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sql_bootstrap.h
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sql_cache.h
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sql_callback.h
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sql_class.h
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sql_cmd.h
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sql_connect.h
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sql_const.h
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sql_crypt.h
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sql_cte.h
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sql_cursor.h
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sql_db.h
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sql_debug.h
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sql_delete.h
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sql_derived.h
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sql_digest.h
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sql_digest_stream.h
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sql_do.h
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sql_error.h
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sql_explain.h
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sql_expression_cache.h
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sql_get_diagnostics.h
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sql_handler.h
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sql_help.h
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sql_hset.h
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sql_i_s.h
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sql_insert.h
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sql_join_cache.h
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sql_lex.h
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sql_lifo_buffer.h
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sql_limit.h
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sql_list.h
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sql_load.h
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sql_locale.h
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sql_manager.h
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sql_mode.h
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sql_parse.h
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sql_partition.h
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sql_partition_admin.h
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sql_plist.h
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sql_plugin.h
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sql_plugin_compat.h
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sql_prepare.h
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sql_priv.h
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sql_profile.h
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sql_reload.h
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sql_rename.h
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sql_repl.h
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sql_schema.h
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sql_select.h
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sql_sequence.h
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sql_servers.h
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sql_show.h
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sql_signal.h
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sql_sort.h
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sql_statistics.h
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sql_string.h
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sql_table.h
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sql_tablespace.h
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sql_test.h
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sql_time.h
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sql_trigger.h
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sql_truncate.h
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sql_tvc.h
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sql_type.h
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sql_type_fixedbin.h
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sql_type_fixedbin_storage.h
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sql_type_geom.h
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sql_type_int.h
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sql_type_json.h
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sql_type_real.h
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sql_type_string.h
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sql_udf.h
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sql_union.h
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sql_update.h
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sql_view.h
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sql_window.h
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ssl_compat.h
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strfunc.h
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structs.h
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sys_vars_shared.h
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t_ctype.h
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table.h
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table_cache.h
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thr_alarm.h
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thr_lock.h
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thr_malloc.h
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thr_timer.h
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thread_cache.h
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threadpool.h
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threadpool_generic.h
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threadpool_winsockets.h
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transaction.h
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tzfile.h
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tztime.h
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uniques.h
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unireg.h
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vers_string.h
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violite.h
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waiting_threads.h
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welcome_copyright_notice.h
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win_tzname_data.h
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winservice.h
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wqueue.h
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wsrep.h
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wsrep_applier.h
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wsrep_binlog.h
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wsrep_client_service.h
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wsrep_client_state.h
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wsrep_condition_variable.h
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wsrep_high_priority_service.h
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wsrep_mutex.h
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wsrep_mysqld.h
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wsrep_mysqld_c.h
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wsrep_on.h
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wsrep_priv.h
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wsrep_schema.h
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wsrep_server_service.h
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wsrep_server_state.h
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wsrep_sst.h
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wsrep_storage_service.h
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wsrep_thd.h
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wsrep_trans_observer.h
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wsrep_types.h
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wsrep_utils.h
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wsrep_var.h
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wsrep_xid.h
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xa.h
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Editing: filesort.h
/* Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. 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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