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Using MAPTEXIT to create mapping objects

The MAPTEXIT exit creates a mapping table and index for use with SHRLEVEL CHANGE reorganizations that invoke DSNUTILB.

Following a successful reorganization, this exit drops these objects. If the specified mapping table already exists, REORG PLUS uses that table.

Related topic

REORG PLUS user exits

 

Important

The default (sample) MAPTEXIT user exit creates the mapping objects in an implicit database and table space. As with all Db2 implicit objects, dropping the mapping table drops the table space but not the database.

You can supply this exit in one of the following ways:

  • In your STEPLIB

    This method provides a mapping table, when needed for a DSNUTILB reorganization, without requiring you to change your JCL.

  • In an SYSEXEC DD statement in your job

    When you specify a MAPTEXIT user exit, REORG PLUS looks for it first in your STEPLIB, then in an SYSEXEC DD.

 

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