SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Function lowerUTF8 (alias l_) (children 1)
     ExpressionList (children 1)
      Identifier str
    Function upperUTF8 (alias u_) (children 1)
     ExpressionList (children 1)
      Identifier str
    Function concat (alias h_) (children 1)
     ExpressionList (children 2)
      Literal \'0x\'
      Function hex (children 1)
       ExpressionList (children 1)
        Identifier str
   ExpressionList (children 3)
    Function length (children 1)
     ExpressionList (children 1)
      Identifier str
    Function if (children 1)
     ExpressionList (children 3)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier l_
        Literal \'\'
      Identifier h_
      Identifier l_
    Function if (children 1)
     ExpressionList (children 3)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier u_
        Literal \'\'
      Identifier h_
      Identifier u_
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier utf8_overlap
 Identifier CSV
