SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Function COUNT (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier bloom_filter_null_types_test
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier i64
     Literal UInt64_1
   Set
