table_handles
This page is part of MariaDB's Documentation.
The parent of this page is: Performance Schema for MariaDB Enterprise Server
Topics on this page:
Overview
DETAILS
SCHEMA
CREATE TABLE `table_handles` (
`OBJECT_TYPE` varchar(64) NOT NULL COMMENT 'The table opened by a table handle.',
`OBJECT_SCHEMA` varchar(64) NOT NULL COMMENT 'The schema that contains the object.',
`OBJECT_NAME` varchar(64) NOT NULL COMMENT 'The name of the instrumented object.',
`OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'The table handle address in memory.',
`OWNER_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The thread owning the table handle.',
`OWNER_EVENT_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The event which caused the table handle to be opened.',
`INTERNAL_LOCK` varchar(64) DEFAULT NULL COMMENT 'The table lock used at the SQL level.',
`EXTERNAL_LOCK` varchar(64) DEFAULT NULL COMMENT 'The table lock used at the storage engine level.'
)