`information_schema.innodb_ft_config.*`

show items implemented by

any at least two only one database all databases

relation	column	mysql	mariadb	tidb	postgres	cockroachdb	mssql
`innodb_ft_config`
	`key`	`VARCHAR NOT NULL`: 5.7-8	`VARCHAR NOT NULL`: 10.2-10.7	unsupported	unsupported	unsupported	unsupported
	`value`	`VARCHAR NOT NULL`: 5.7-8	`VARCHAR NOT NULL`: 10.2-10.7	unsupported	unsupported	unsupported	unsupported