SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 6)
    Function equals (alias left_empty_chars_ok) (children 1)
     ExpressionList (children 2)
      Function trimLeft (children 1)
       ExpressionList (children 2)
        Literal \'  hello  \'
        Literal \'\'
      Literal \'  hello  \'
    Function equals (alias right_empty_chars_ok) (children 1)
     ExpressionList (children 2)
      Function trimRight (children 1)
       ExpressionList (children 2)
        Literal \'  hello  \'
        Literal \'\'
      Literal \'  hello  \'
    Function equals (alias both_empty_chars_ok) (children 1)
     ExpressionList (children 2)
      Function trimBoth (children 1)
       ExpressionList (children 2)
        Literal \'  hello  \'
        Literal \'\'
      Literal \'  hello  \'
    Function equals (alias left_fixed_empty_chars_ok) (children 1)
     ExpressionList (children 2)
      Function trimLeft (children 1)
       ExpressionList (children 2)
        Function toFixedString (children 1)
         ExpressionList (children 2)
          Literal \'  hello  \'
          Literal UInt64_9
        Literal \'\'
      Literal \'  hello  \'
    Function equals (alias right_fixed_empty_chars_ok) (children 1)
     ExpressionList (children 2)
      Function trimRight (children 1)
       ExpressionList (children 2)
        Function toFixedString (children 1)
         ExpressionList (children 2)
          Literal \'  hello  \'
          Literal UInt64_9
        Literal \'\'
      Literal \'  hello  \'
    Function equals (alias both_fixed_empty_chars_ok) (children 1)
     ExpressionList (children 2)
      Function trimBoth (children 1)
       ExpressionList (children 2)
        Function toFixedString (children 1)
         ExpressionList (children 2)
          Literal \'  hello  \'
          Literal UInt64_9
        Literal \'\'
      Literal \'  hello  \'
