SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 6)
    Function equals (alias left_custom_ok) (children 1)
     ExpressionList (children 2)
      Function trimLeft (children 1)
       ExpressionList (children 2)
        Literal \'#@hello#@\'
        Literal \'#@\'
      Literal \'hello#@\'
    Function equals (alias right_custom_ok) (children 1)
     ExpressionList (children 2)
      Function trimRight (children 1)
       ExpressionList (children 2)
        Literal \'#@hello#@\'
        Literal \'#@\'
      Literal \'#@hello\'
    Function equals (alias both_custom_ok) (children 1)
     ExpressionList (children 2)
      Function trimBoth (children 1)
       ExpressionList (children 2)
        Literal \'#@hello#@\'
        Literal \'#@\'
      Literal \'hello\'
    Function equals (alias left_fixed_custom_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_custom_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_custom_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\'
