NMCS Information Processing System 360 Formatted File System (NIPS 360 FFS). Volume IV. Retrieval and Sort Processor (RASP).

摘要

This volume defines the capabilities of the Retrieval and Sort Processor (RASP). RASP retrieves data from files based on English-like retrieval statements. Retrievals can be batched, and data records or periodic sets within data records can be retrieved on information in the fixed and/or periodic fields and/or periodic sets. The functions of RASP include: Editing and processing of retrieval and control statements; Compilation of retrieval logic to produce machine code for actual retrieval; Determining if an Index Data Set is associated with the data file; and Execution of generated code and construction of a Qualifying Data File (QDF) containing records qualified by the retrieval parameters and a Qualifying Record Table (QRT) containing pointers to records in this QDF. RASP will operate in the batch partition for retrievals run as background processing.