SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Function blockSize (children 1)
     ExpressionList
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier table_00483
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier x
     Literal UInt64_7
 Identifier Null
