Bug: When the value of some ES column is empty, querying these value in doc_values mode will receive an error. Reson: In doc values mode, these values are empty, We need to determine if the array is empty
Bug: When the value of some ES column is empty, querying these value in doc_values mode will receive an error. Reson: In doc values mode, these values are empty, We need to determine if the array is empty