Clears the SQL cursor Added in 6.3.0
POST /_sql/close
curl \
-X POST http://api.example.com/_sql/close \
-H "Content-Type: application/json" \
-d '{"cursor":"string"}'
curl \
-X POST http://api.example.com/_sql/close \
-H "Content-Type: application/json" \
-d '{"cursor":"string"}'