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MySQL 9.4 Reference Manual

14.2 Loadable Function Reference

The following table lists each function that is loadable at runtime and provides a short description of each one. For a table listing built-in functions and operators, seeSection 14.1, “Built-In Function and Operator Reference”

For general information about loadable functions, seeSection 7.7, “MySQL Server Loadable Functions”.

Table 14.2 Loadable Functions

Name	Description	Deprecated
`asymmetric_decrypt()`	Decrypt ciphertext using private or public key
`asymmetric_derive()`	Derive symmetric key from asymmetric keys
`asymmetric_encrypt()`	Encrypt cleartext using private or public key
`asymmetric_sign()`	Generate signature from digest
`asymmetric_verify()`	Verify that signature matches digest
`asynchronous_connection_failover_add_managed()`	Add a replication source server in a managed group to the source list
`asynchronous_connection_failover_add_source()`	Add a replication source server to the source list
`asynchronous_connection_failover_delete_managed()`	Remove managed group of replication source servers from the source list
`asynchronous_connection_failover_delete_source()`	Remove a replication source server from the source list
`audit_api_message_emit_udf()`	Add message event to audit log
`audit_log_encryption_password_get()`	Fetch audit log encryption password
`audit_log_encryption_password_set()`	Set audit log encryption password
`audit_log_filter_flush()`	Flush audit log filter tables
`audit_log_filter_remove_filter()`	Remove audit log filter
`audit_log_filter_remove_user()`	Unassign audit log filter from user
`audit_log_filter_set_filter()`	Define audit log filter
`audit_log_filter_set_user()`	Assign audit log filter to user
`audit_log_read()`	Return audit log records
`audit_log_read_bookmark()`	Bookmark for most recent audit log event
`audit_log_rotate()`	Rotate audit log file
`create_asymmetric_priv_key()`	Create private key
`create_asymmetric_pub_key()`	Create public key
`create_dh_parameters()`	Generate shared DH secret
`create_digest()`	Generate digest from string
`firewall_group_delist()`	Remove account from firewall group profile
`firewall_group_enlist()`	Add account to firewall group profile
`firewall_group_remove()`	Remove specified firewall group
`firewall_group_rename()`	Rename a firewall group
`flush_rewrite_rules()`	Load rewrite_rules table into Rewriter cache
`gen_blacklist()`	Perform dictionary term replacement	Yes
`gen_blocklist()`	Perform dictionary term replacement
`gen_blocklist()`	Perform dictionary term replacement
`gen_dictionary()`	Return random term from dictionary
`gen_dictionary_drop()`	Remove dictionary from registry
`gen_dictionary_load()`	Load dictionary into registry
`gen_dictionary()`	Return random term from dictionary
`gen_range()`	Generate random number within range
`gen_range()`	Generate random number within range
`gen_rnd_canada_sin()`	Generate random Canada Social Insurance Number
`gen_rnd_email()`	Generate random email address
`gen_rnd_email()`	Generate random email address
`gen_rnd_iban()`	Generate random International Bank Account Number
`gen_rnd_pan()`	Generate random payment card Primary Account Number
`gen_rnd_pan()`	Generate random payment card Primary Account Number
`gen_rnd_ssn()`	Generate random US Social Security Number
`gen_rnd_ssn()`	Generate random US Social Security Number
`gen_rnd_uk_nin()`	Generate random United Kingdom National Insurance Number
`gen_rnd_us_phone()`	Generate random US phone number
`gen_rnd_us_phone()`	Generate random US phone number
`gen_rnd_uuid()`	Generate random Universally Unique Identifier
`group_replication_disable_member_action()`	Enable a member action so that the member does not take it in the specified situation
`group_replication_enable_member_action()`	Enable a member action for the member to take in the specified situation
`group_replication_get_communication_protocol()`	Return Group Replication protocol version
`group_replication_get_write_concurrency()`	Return maximum number of consensus instances executable in parallel
`group_replication_reset_member_actions()`	Reset the member actions configuration to the default settings
`group_replication_set_as_primary()`	Assign group member as new primary
`group_replication_set_communication_protocol()`	Set Group Replication protocol version
`group_replication_set_write_concurrency()`	Set maximum number of consensus instances executable in parallel
`group_replication_switch_to_multi_primary_mode()`	Change group from single-primary to multi-primary mode
`group_replication_switch_to_single_primary_mode()`	Change group from multi-primary to single-primary mode
`keyring_aws_rotate_cmk()`	Rotate AWS customer master key
`keyring_aws_rotate_keys()`	Rotate keys in keyring_aws storage file
`keyring_hashicorp_update_config()`	Cause runtime keyring_hashicorp reconfiguration	Yes
`keyring_key_fetch()`	Fetch keyring key value
`keyring_key_generate()`	Generate random keyring key
`keyring_key_length_fetch()`	Return keyring key length
`keyring_key_remove()`	Remove keyring key
`keyring_key_store()`	Store key in keyring
`keyring_key_type_fetch()`	Return keyring key type
`load_rewrite_rules()`	Rewriter plugin helper routine
`mask_canada_sin()`	Mask Canada Social Insurance Number
`mask_iban()`	Mask International Bank Account Number
`mask_inner()`	Mask interior part of string
`mask_inner()`	Mask interior part of string
`mask_outer()`	Mask left and right parts of string
`mask_outer()`	Mask left and right parts of string
`mask_pan()`	Mask payment card Primary Account Number part of string
`mask_pan()`	Mask payment card Primary Account Number part of string
`mask_pan_relaxed()`	Mask payment card Primary Account Number part of string
`mask_pan_relaxed()`	Mask payment card Primary Account Number part of string
`mask_ssn()`	Mask US Social Security Number
`mask_ssn()`	Mask US Social Security Number
`mask_uk_nin()`	Mask United Kingdom National Insurance Number
`mask_uuid()`	Mask Universally Unique Identifier part of string
`masking_dictionaries_flush()`	Cause masking_dictionaries cache to be reloaded from table
`masking_dictionary_remove()`	Remove dictionary from the database table
`masking_dictionary_term_add()`	Add new term to the dictionary
`masking_dictionary_term_remove()`	Remove existing term from the dictionary
`mle_session_reset()`	Clean up all MLE-related state information
`mle_session_state()`	Display state and other information about MLE stored program that was most recently executed
`mle_set_session_state()`	Determine rules for converting integers from MySQL types to JavaScript types
`mysql_firewall_flush_status()`	Reset firewall status variables
`mysql_query_attribute_string()`	Fetch query attribute value
`normalize_statement()`	Normalize SQL statement to digest form	Yes
`option_tracker_option_register()`	Register an option with the Option Tracker
`option_tracker_option_unregister()`	Deregister an option from the Option Tracker
`option_tracker_usage_get()`	Get usage data for an option registered with the Option Tracker
`option_tracker_usage_set()`	Set usage data for an option registered with the Option Tracker
`read_firewall_group_allowlist()`	Update firewall group profile recorded-statement cache
`read_firewall_groups()`	Update firewall group profile cache
`read_firewall_users()`	Update firewall account profile cache	Yes
`read_firewall_whitelist()`	Update firewall account profile recorded-statement cache	Yes
`service_get_read_locks()`	Acquire locking service shared locks
`service_get_write_locks()`	Acquire locking service exclusive locks
`service_release_locks()`	Release locking service locks
`set_firewall_group_mode()`	Establish firewall group profile operational mode
`set_firewall_mode()`	Establish firewall account profile operational mode	Yes
`version_tokens_delete()`	Delete tokens from version tokens list	Yes
`version_tokens_edit()`	Modify version tokens list	Yes
`version_tokens_lock_exclusive()`	Acquire exclusive locks on version tokens	Yes
`version_tokens_lock_shared()`	Acquire shared locks on version tokens	Yes
`version_tokens_set()`	Set version tokens list	Yes
`version_tokens_show()`	Return version tokens list	Yes
`version_tokens_unlock()`	Release version tokens locks	Yes

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