DescribeQuery (children 1)
 TableExpression (children 1)
  Function format (children 1)
   ExpressionList (children 2)
    Identifier JSONEachRow
    Literal \'{"obj" : {"a" : [{}, {"b" : null}, {"c" : {"d" : 10}}]}}, {"obj" : {"a" : [{"e" : "Hello", "b" : [1,2,3]}]}}\'
