Sys Schema Stored Functions
The following stored functions are available in the Sys Schema.
| Title | Description |
|---|---|
| extract_schema_from_file_name | Returns the schema (database) name. |
| extract_table_from_file_name | Returns the table name from the provided path. |
| format_bytes | Returns a string consisting of a value and the units in a human-readable format. |
| format_path | Returns a modified path, replacing subpaths matching the values of various system variables. |
| format_statement | Returns a reduced length string. |
| format_time | Given a time in picoseconds, returns a human-readable time and unit. |
| list_add | Takes a list to be be modified and a value to be added to the list, returning the resulting value. |
| list_drop | Takes a list to be be modified and a value to be dropped, returning the resulting value. |
| ps_is_account_enabled | Whether or not Performance Schema instrumentation for a given account is enabled. |
| ps_is_consumer_enabled | Whether or not Performance Schema instrumentation for a given consumer is enabled. |
| ps_is_instrument_default_enabled | Whether or not a Performance Schema instrument is enabled by default. |
| ps_is_instrument_default_timed | Whether or not a Performance Schema instrument is timed by default. |
| ps_is_thread_instrumented | Whether or not instrumentation for a given connection_id is enabled. |
| ps_thread_account | Returns the account associated with the given thread_id. |
| ps_thread_id | Returns the thread_id associated with the given connection_id. |
| ps_thread_stack | Returns statements, stages, events within the Performance Schema for a given thread_id. |
| ps_thread_trx_info | Returns a JSON object with information about the thread specified by the given thread_id. |
| quote_identifier | Returns quoted, properly escaped identifier. |
| sys_get_config | Returns a configuration option value from the sys_config table. |
| version_major | Returns the MariaDB Server major release version. |
| version_minor | Returns the MariaDB Server minor release version. |
| version_patch | MariaDB Server patch release version. |
Content reproduced on this site is the property of its respective owners, and this content is not reviewed in advance by MariaDB. The views, information and opinions expressed by this content do not necessarily represent those of MariaDB or any other party.
© 2023 MariaDB
Licensed under the Creative Commons Attribution 3.0 Unported License and the GNU Free Documentation License.
https://mariadb.com/kb/en/sys-schema-stored-functions/