SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function COUNT (children 1)
     ExpressionList (children 1)
      Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier valid_min_index_granularity_bytes_setting
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier value
     Literal \'xxxxxxxxxx1015\'
