SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function caseWithExpression (alias f) (children 1)
     ExpressionList (children 8)
      Literal Float64_1.1
      Literal Float64_0.1
      Literal \'a\'
      Literal Float64_1.1
      Literal \'b\'
      Literal Float64_2.1
      Literal \'c\'
      Literal \'default\'