Persistent stream for processing time consuming and reusable que

Details Persistent stream for processing time consuming and reusable que Persistent stream for processing time consuming and reusable que

1989-10-23

1992-11-03

Heckler, Thomas M.

Boots, shoes, and leggings

364DIG1, 3642823, G06F 1540

Patent

active

051612259

ABSTRACT:
Time consuming and reusable queries are handled in an object oriented database management system by providing a persistent stream object class. The persistent stream object class is a subclass of the stream class which is typically provided to encapsulate the results of a query. The persistent stream class inherits all the attributes and methods of the stream class but also includes a "save" method for saving the results of a query. When a query names a persistent stream as it object, the query results are saved. The query may also be performed in background or batch mode. All time consuming and reusable queries are performed by sending a query message to the persistent stream class, to thereby automatically save the query results.

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