SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 6)
    Function equals (alias left_overlap_ok) (children 1)
     ExpressionList (children 2)
      Function trimLeft (children 1)
       ExpressionList (children 2)
        Literal \'aabbccHELLOccbbaa\'
        Literal \'abc\'
      Literal \'HELLOccbbaa\'
    Function equals (alias right_overlap_ok) (children 1)
     ExpressionList (children 2)
      Function trimRight (children 1)
       ExpressionList (children 2)
        Literal \'aabbccHELLOccbbaa\'
        Literal \'abc\'
      Literal \'aabbccHELLO\'
    Function equals (alias both_overlap_ok) (children 1)
     ExpressionList (children 2)
      Function trimBoth (children 1)
       ExpressionList (children 2)
        Literal \'aabbccHELLOccbbaa\'
        Literal \'abc\'
      Literal \'HELLO\'
    Function equals (alias left_fixed_overlap_ok) (children 1)
     ExpressionList (children 2)
      Function trimLeft (children 1)
       ExpressionList (children 2)
        Function toFixedString (children 1)
         ExpressionList (children 2)
          Literal \'aabbccHELLOccbbaa\'
          Literal UInt64_17
        Literal \'abc\'
      Literal \'HELLOccbbaa\'
    Function equals (alias right_fixed_overlap_ok) (children 1)
     ExpressionList (children 2)
      Function trimRight (children 1)
       ExpressionList (children 2)
        Function toFixedString (children 1)
         ExpressionList (children 2)
          Literal \'aabbccHELLOccbbaa\'
          Literal UInt64_17
        Literal \'abc\'
      Literal \'aabbccHELLO\'
    Function equals (alias both_fixed_overlap_ok) (children 1)
     ExpressionList (children 2)
      Function trimBoth (children 1)
       ExpressionList (children 2)
        Function toFixedString (children 1)
         ExpressionList (children 2)
          Literal \'aabbccHELLOccbbaa\'
          Literal UInt64_17
        Literal \'abc\'
      Literal \'HELLO\'
