Stand-Alone Prefix Resolution

Use Stand-Alone Prefix Resolution to run the Prefix Resolution function for preprocessing the information that has accumulated on work data sets during the database initial load or reorganization of logically related databases and/or databases with secondary indexes.

The Stand-Alone Prefix Resolution function optionally produces an output data set that contains the prefix information that is needed to complete the logical relationships defined for the databases. Stand-Alone Prefix Resolution also optionally produces a data set that contains information that is required to create or update secondary index databases.

Stand-Alone Prefix Resolution provides the following three functions:

Creating work data set for logically related databases
Creating work data set for secondary index databases
Creating reports

The database administrator determines whether one or both of the two work data sets are created.

The following figure shows the general data flow for Stand-Alone Prefix Resolution.

Figure 1. Overview of Stand-Alone Prefix Resolution

This figure depicts the data flow of Stand-Alone Prefix Resolution. Stand-Alone Prefix Resolution has four types of input data: FABYIN control statements, the DFSURWF1 data set, the DFSURCDS data set, and the sort work data set. It has four types of output data: the sort work data set, reports, the DFSURIDX data set, and the DFSURWF3 data set.

HPPRPIPE service

Stand-Alone Prefix Resolution uses a data transfer service called HPPRPIPE. HPPRPIPE provides high performance data transfer between tasks running in the address space of IMS™ HP Prefix Resolution. By using HPPRPIPE, the intermediate Work File 2 (WF2) data set is eliminated.