- u -

u : AccessPath, mysql_compress_context
u_d : udf_handler
u_i : task_arg
u_keyword : CODE_STATE
u_l : task_arg
u_line : CODE_STATE
u_ll : task_arg
u_max_value : my_option
uca : CHARSET_INFO, MY_COLL_RULES, my_uca_scanner
udf : Item_udf_func, Item_udf_sum, LEX, MY_SQL_PARSER_STYPE, PTI_function_call_generic_ident_sys
udf_metadata_service : Charset_service
udf_register : s_mysql_udf_registration, s_mysql_udf_registration_aggregate
udf_unregister : s_mysql_udf_registration, s_mysql_udf_registration_aggregate
uidx : uni_idx
uint32_value : log_attribute_value
uint64_value : log_attribute_value
uint_geom_type : PT_field_def_base
ull : ull_dbl
ull_hash : THD
ulong_num : MY_SQL_PARSER_STYPE
ulong_value : THD
ulonglong_number : MY_SQL_PARSER_STYPE
ulonglong_value : set_var, THD
unacceptable_cipher_spec : TlsServerContext
unbind_table : PSI_table_service_v1, s_mysql_psi_table_v1
unblocking_process_lock : Blocked_transaction_handler
unbuffered_fetch_cancelled : MYSQL_RES, MYSQL_STMT
unbuffered_fetch_owner : MYSQL
uncacheable : MI_STATUS_INFO, Query_block, Query_expression
uncommitted : dict_index_t
uncompressed_bytes : Trx_monitoring_info
uncompressed_size : Mysqlx::Connection::Compression
uncompressed_size_ : classic_protocol::frame::CompressedHeader
uncompressed_size_max_length : mysql::binlog::event::Transaction_payload_event
undefine : s_mysql_mysql_option_tracker_option
UNDEFINED : mysql::binlog::event::Rows_event::Extra_row_info
underflow_block_length : MI_KEYDEF
underrun_level : Slave_worker
undo_buffer_size : st_alter_tablespace, Tablespace_options
undo_create_account_list_ : mysqlrouter::ConfigGenerator
undo_ext : undo_node_t
undo_file_name : st_alter_tablespace
undo_mutex : trx_t
undo_no : purge_iter_t, purge_node_t, trx_t, undo_node_t
undo_rec : purge_node_t::rec_t, undo_node_t
undo_row : undo_node_t
undo_rseg_space : purge_iter_t, trx_t
undo_thr : roll_node_t
undo_trunc : trx_purge_t
unex_ : stdx::expected< T, E >
unflushed_spaces : fil_space_t
uninit : MY_COLLATION_HANDLER
uninitialized_compression_level : mysql::binlog::event::compression::Zstd_comp
uninitialized_size : mysql::containers::buffers::Buffer_sequence_view< Char_tp, Container_tp, const_tp >
unioned_events : THD
unioned_events_trans : THD
uniq : FT_DOCSTAT
unique : ib_Index_defn, IndexMergeIterator, MI_SORT_PARAM, MI_STATE_INFO
unique_buff : anonymous_namespace{uniques.cc}::Uniq_param
unique_constraint_name : Table_share_foreign_key_info
unique_count : MI_CHECK
unique_file_name : MYISAM_SHARE
unique_filter : Item_func_group_concat
unique_index_name : FOREIGN_KEY
unique_key_parts : MI_STATE_INFO
unique_name_length : MYISAM_SHARE
unique_result : TABLE
unique_search : plan_t
uniqueinfo : MYISAM_SHARE
uniques : MI_STATE_INFO
unit : LEX, MaterializePathParameters, Query_result
unit_test : Global_THD_manager
unit_type : gis::Unit
unix_socket : MYSQL, mysql_async_connect, mysqlrouter::MySQLSession, st_mysql_options
unknown_key : Opt_trace_stmt
unknown_key_count : Opt_trace_stmt
unlink_on_first_close : stdx::io::flag
unload : s_mysql_dynamic_loader, s_mysql_dynamic_loader_scheme, s_mysql_persistent_dynamic_loader
unload_plugin : PSI_system_service_v1, s_mysql_mysql_psi_system_v1, s_mysql_psi_system_v1
unlock : s_mysql_mysql_mutex_v1
unlock_cache : fts_sync_t
unlock_hton_log : handlerton
unlock_mutex : PSI_mutex_service_v1, s_mysql_psi_mutex_v1
unlock_rwlock : PSI_rwlock_service_v2, s_mysql_psi_rwlock_v2
unlock_table : PSI_table_service_v1, s_mysql_psi_table_v1
unmasked_server_id : mysql::binlog::event::Log_event_header, THD
unpack : MI_COLUMNDEF
unqualified_count : AccessPath
unreachable : Group_member_info
unreachable_destinations_init_mutex_ : UnreachableDestinationsQuarantine
unreachable_destinations_quarantine_ : DestinationStatusComponent
unreachable_quorum_allowed_traffic : MetadataCachePluginConfig
unregister : LEX_MFA, s_mysql_registry_registration
unregister_change_notification : PSI_metric_service_v1, s_mysql_psi_metric_v1
unregister_data_lock : PSI_data_lock_service_v1
unregister_logger : s_mysql_mysql_server_telemetry_logs
unregister_logger_client : PSI_logs_client_service_v1, s_mysql_mysql_server_telemetry_logs_client
unregister_meters : PSI_metric_service_v1, s_mysql_psi_metric_v1
unregister_notification : PSI_thread_service_v4, PSI_thread_service_v5, PSI_thread_service_v6, PSI_thread_service_v7, s_mysql_pfs_notification_v3, s_mysql_psi_thread_v4, s_mysql_psi_thread_v5, s_mysql_psi_thread_v6, s_mysql_psi_thread_v7
unregister_privilege : s_mysql_dynamic_privilege_register
unregister_slot : s_mysql_mysql_thd_store
unregister_telemetry : s_mysql_mysql_server_telemetry_traces_v1
unregister_tls_channel : PSI_tls_channel_service_v1, s_mysql_psi_tls_channel_v1
unregister_variable : s_mysql_component_sys_variable_unregister, s_mysql_status_variable_registration
unsafe_flags : sp_head
unsigned_flag : Binlog_user_var_event, Field_num, Field_typed_array, in_longlong::packed_longlong, Item, p_elem_val, user_var_entry
unsigned_type : PS_PARAM
unsupported_reason : Alter_inplace_info
until_after_gaps : LEX_SOURCE_INFO
until_condition : Channel_connection_info, Relay_log_info
until_option : Relay_log_info
until_view_id_commit_found : Until_view_id
until_view_id_found : Until_view_id
unupdated_check_opt_tables : Query_result_update
UNUSED : AdjacencyList
unused : Geometry::Flags_t
UNUSED : ut_lock_free_hash_t
unused_key_parts : KEY
unwrap_rollup : AccessPath
unzip : buf_LRU_stat_t
unzip_cur : buf_pool_info_t
unzip_LRU_bytes : buf_pools_list_size_t
unzip_lru_len : buf_pool_info_t
unzip_sum : buf_pool_info_t
up : FTB_EXPR, FTB_WORD
up_bytes : btr_cur_t
up_match : btr_cur_t
up_node : fts_ast_node_t
up_quot : MY_FTB_PARAM
upd : ib_qry_grph_t, ib_qry_node_t
upd_ext : upd_node_t
upd_graph : row_prebuilt_t
upd_multi_val_pos : upd_node_t
upd_node : row_prebuilt_t
upd_row : upd_node_t
updatable_view : Table_ref
updatable_views_with_limit : System_variables
update : HP_INFO, MI_INFO, Mysqlx::Prepare::Prepare::OneOfMessage, purge_node_t, Query_result_insert, s_mysql_table_access_update_v1, undo_node_t, upd_node_t
update_account_locked_column : LEX_ALTER
update_column_value : PFS_engine_table_proxy
update_cond : MYSQL_BIN_LOG
update_count : MI_STATE_INFO
update_failed_login_attempts : LEX_ALTER
update_field_list : Sql_cmd_insert_base
update_file_opened : TINA_SHARE
update_func : Sys_var_session_special, Sys_var_session_special_double
update_lock : Group_member_info, Group_member_info_manager
update_lock_default : THD
update_max_length : MYSQL_STMT
update_n_fields : upd_node_t
update_operations : Query_result_update
update_opt : FOREIGN_KEY, Foreign_key_spec
update_password_expired_column : LEX_ALTER
update_password_expired_fields : LEX_ALTER
update_password_history : LEX_ALTER
update_password_lock_time : LEX_ALTER
update_password_require_current : LEX_ALTER
update_password_reuse_interval : LEX_ALTER
update_record : MYISAM_SHARE
update_row_values : PFS_engine_table_proxy
update_rows : AccessPath
update_rule : Table_share_foreign_key_info, Table_share_foreign_key_parent_info
update_status : THR_LOCK
update_table_count : Query_result_update
update_tables : Query_result_update
update_temp_file : ha_tina
update_time : dict_table_t, ha_statistics, MI_ISAMINFO
update_undo : trx_undo_ptr_t
update_undo_cached : trx_rseg_t
update_undo_list : trx_rseg_t
update_value_list : Sql_cmd_insert_base, Sql_cmd_update
update_values : COPY_INFO
update_write_set_memory_size_limit : transaction_write_set_service_st
updated : COPY_INFO::Statistics
updated_rights : acl_table::Acl_table_user_writer_status
updates : user_conn, user_resources
updating : Table_ref
upgrade : st_feature_version
upgrade_logs : handlerton
upgrade_space_version : handlerton
upgrade_tablespace : handlerton
upper_bound : Transparent_file
upper_doc_id : fts_query_t
upper_index : fts_sync_t
upper_latitude : Item_func_latlongfromgeohash, Item_func_pointfromgeohash
upper_levels : COND_EQUAL
upper_limit_output_length : Item_func_geohash
upper_longitude : Item_func_latlongfromgeohash, Item_func_pointfromgeohash
upsert : Mysqlx::Crud::Insert
uri : http::client::Request::Holder
uri_ : http::server::ServerRequest, mysqlrouter::URI, RestClient
uri_impl_ : http::base::Uri
uri_prefix_ : RestApi
uri_prefix_regex_ : RestApi
uri_query_ : DestMetadataCacheGroup
url_pattern_ : HttpRequestRouter::RouteMatcher
url_regex_str : impl::HttpServerComponentImpl::RouterData
urn : log_service_cache_entry
urng : mysql_harness::RandomGenerator
urns_with_gen_list : mysql_dynamic_loader_imp
usable_key_parts : KEY
usable_keys : anonymous_namespace{opt_explain.cc}::Explain_table_base
usage : db_worker_hash_entry
usage_count : udf_func
usage_partition : Slave_worker
use_best_so_far : Optimize_table_order
use_buffers : MI_CHECK
use_cluster_notifications_ : MetadataCache
use_count : FEDERATED_SHARE, Index_lookup, INNOBASE_SHARE, SEL_ROOT, st_blackhole_share, TINA_SHARE
use_decimal_comparison : Item_func_interval
use_default_impl : DsMrr_impl
use_default_num_partitions : partition_info
use_default_num_subpartitions : partition_info
use_default_partitions : partition_info
use_default_password_history : ACL_USER, LEX_ALTER
use_default_password_lifetime : ACL_USER, LEX_ALTER
use_default_password_reuse_interval : ACL_USER, LEX_ALTER
use_default_subpartitions : partition_info
use_distinct_values : Aggregator_distinct
use_gr_notifications : MetadataCachePluginConfig, mysqlrouter::ConfigGenerator::Options
use_hash : anonymous_namespace{filesort_utils.cc}::Mem_compare_varlen_key, Sort_param
use_http2_ : http::client::Client, RestClient
use_index_statistics : RANGE_OPT_PARAM
use_join_buffer : POSITION
use_limit : AccessPath
use_only_table_context : LEX
use_order : AccessPath
use_quick : JOIN_TAB, Plan_change_watchdog
use_replica_primary_as_rw : MetadataCachePluginConfig
use_result : MYSQL_METHODS
use_secondary_engine : System_variables
use_ssl : Channel_ssl_info, Network_security_credentials
use_thd_protocol : Service_statement
used : buf_buddy_stat_t::snapshot_t, buf_buddy_stat_t, file_info, ib_vector_t, matched_rec, ORDER
used_ : net::prepared_buffers< BufferType >
used_alias : ORDER
used_asc : LogicalOrderings::ItemInfo
used_at_end : LogicalOrderings::OrderingWithInfo
used_cmdln_options_ : anonymous_namespace{config_generator.cc}::ConfigSectionPrinter
used_desc : LogicalOrderings::ItemInfo
used_fieldlength : JOIN_TAB
used_fields : Derived_key, HA_CREATE_INFO
used_in_grouping : LogicalOrderings::ItemInfo
used_in_HANDLER : row_prebuilt_t
used_in_where_only : Item_func_match
used_ins : KEY_CACHE
used_key_is_modified : anonymous_namespace{opt_explain.cc}::Explain_table, Modification_plan
used_key_part : AccessPath, GroupIndexSkipScanParameters
used_key_parts : anonymous_namespace{join_optimizer.cc}::PossibleRangeScan, IndexSkipScanIterator, IndexSkipScanParameters, ROR_SCAN_INFO
used_keys : anonymous_namespace{derived_keys.cc}::TableShareInfo
used_last : KEY_CACHE
used_nodes : Predicate
used_query_id : Item_func_get_system_var
used_ref : AccessPath
used_replace : st_command
used_sections_ : anonymous_namespace{config_generator.cc}::ConfigSectionPrinter
used_table_map : Item_basic_constant, Item_cache
used_tables : anonymous_namespace{join_optimizer.cc}::KeypartForRef, Key_use, NESTED_JOIN, Table_cache_element, Used_tables
used_tables_cache : Item_func, Item_row, udf_handler
user : ACL_DB, ACL_PROXY_USER, ACL_USER, Binlog_relay_IO_param, Channel_creation_info, GRANT_NAME, LEX_GRANT_AS, LEX_SOURCE_INFO, LEX_USER, Master_info, MetadataCachePluginConfig, mysql::binlog::event::Query_event, MYSQL, mysql_async_connect, mysql_event_authentication, mysql_event_connection, mysql_event_tracking_authentication_data, mysql_event_tracking_connection_data, mysql_event_tracking_general_data, Network_security_credentials, privilege_result, PT_option_value_no_option_type_password_for, random_password_info, REPLICA_INFO, set_var_password, st_mysql_options, st_persist_var, st_row_connect_config, struct_replica_connection, sys_var, thread_info, user_conn
user_attrs_ : anonymous_namespace{router_require.cc}::SelectUserAttributesHandler
user_cmd_line_ : MySQLRouter
user_conn : user_resources
user_credentials : GRNotificationListener::Impl, metadata_cache::MetadataCacheMySQLSessionConfig
user_data : MY_XML_PARSER
user_defined_key_parts : KEY
user_len : mysql::binlog::event::Query_event
user_length : st_row_connect_config
user_list : MY_SQL_PARSER_STYPE
user_name : MYSQL_SERVER_AUTH_INFO
user_name_length : MYSQL_SERVER_AUTH_INFO
user_resource : ACL_USER
user_resources : user_conn
user_time : THD
user_var_event : Binlog_user_var_event
user_var_events : THD
user_var_events_alloc : THD
user_var_item : set_var_user
user_vars : THD
username : FEDERATED_SHARE, FOREIGN_SERVER, HttpAuthMethodBasic::AuthData, KeyringFrontend::Config, mysqlrouter::ConfigGenerator::ExistingConfigOptions, mysqlrouter::URI, mysqlrouter::UserCredentials, PasswdFrontend::Config, PluginInfoFrontend::Config, Rpl_channel_credentials::Channel_cred_param, server_mock::StatementReaderBase::handshake_data
username_ : classic_protocol::borrowable::message::client::ChangeUser< Borrowed >, classic_protocol::borrowable::message::client::Greeting< Borrowed >, classic_protocol::borrowable::message::client::RegisterReplica< Borrowed >, ClassicProtocolState, MySQLRouter, server_mock::ProtocolBase
users : Acl_change_notification, conclusions, PT_grant_roles, PT_revoke_roles, Sql_cmd_alter_user_default_role, Sql_cmd_grant_roles, Sql_cmd_revoke_roles, stats, User_params
users_ : IoComponent
users_list : LEX
uses_authentication_string_clause : LEX_MFA
uses_identified_by_clause : LEX_MFA
uses_identified_with_clause : LEX_MFA
uses_replace_clause : LEX_USER
using_dynamic_range : QEP_TAB
using_extended_key_parts : AccessPath
using_fields : PT_joined_table_using
using_filesort : opt_explain_json_namespace::simple_sort_ctx, opt_explain_json_namespace::sort_ctx
using_global_keycache : MI_CHECK
using_match : Query_tables_list
using_outer_summary_function : Temp_table_param
using_pq : Filesort, Sort_param
using_real_indexes : RANGE_OPT_PARAM
using_temporary : qep_row
using_tmptable : opt_explain_json_namespace::simple_sort_ctx, opt_explain_json_namespace::sort_ctx
using_users : Sql_cmd_show_grants
usr_trx : ib_Index_defn
util_mysql : st_connection
utime_abs : Srv_cpu_usage
utime_pct : Srv_cpu_usage
uuid : Group_member_info