drop table if exists gis;
CREATE TABLE gis (
g POLYGON SRID 4326 NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE SPATIAL INDEX g_idx ON gis(g);
begin;
INSERT INTO gis VALUES (
ST_GeomFromText(
'POLYGON((-165 -46,161 -70,-108 72,-165 -46))',
4326,
'axis-order=long-lat'
  )
);
select OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME, COLUMN_NAME,
LOCK_TYPE, LOCK_DURATION, LOCK_STATUS
from performance_schema.metadata_locks
where OBJECT_TYPE = 'SRID';
OBJECT_TYPE	OBJECT_SCHEMA	OBJECT_NAME	COLUMN_NAME	LOCK_TYPE	LOCK_DURATION	LOCK_STATUS
SRID	NULL	4326	NULL	SHARED_READ	TRANSACTION	GRANTED
commit;
drop table gis;