SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 5)
    Identifier rows
    Identifier statistics
    Identifier estimates.cardinality
    Identifier estimates.min
    Identifier estimates.max
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.parts_columns
   Function and (children 1)
    ExpressionList (children 4)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier table
       Literal \'t_long_statistics_name\'
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier database
       Function currentDatabase (children 1)
        ExpressionList
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier table
       Literal \'t_long_statistics_name\'
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier column
       Literal \'一个非常非常非常非常非常非常非常非常非常非常非常长的中文字符串\'
