dataSourceKey: defaultDS
destination: example
groupId: g1
esMapping:
  _index: mytest_user
  _type: _doc
  _id: _id
#  pk: id
  sql: "select a.id as _id, a.name as _name, a.role_id as _role_id, b.role_name as _role_name,
        a.c_time as _c_time from user a
        left join role b on b.id=a.role_id"
#  objFields:
#    _labels: array:;
  etlCondition: "where a.c_time>='{0}'"
  commitBatch: 3000