`information_schema.mroonga_stats.*`

show items implemented by

any at least two only one database all databases

relation	column	mysql	mariadb	tidb	postgres	cockroachdb	mssql
`mroonga_stats`
	`rows_read`	unsupported	`NULL`: 5.1-10.8	unsupported	unsupported	unsupported	unsupported
	`rows_written`	unsupported	`NULL`: 5.1-10.8	unsupported	unsupported	unsupported	unsupported
	`version`	unsupported	`NULL`: 5.1-10.8	unsupported	unsupported	unsupported	unsupported