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Example: OLM Statement

Defining OLM Characteristics

The following statement defines OLM definition-time characteristics and the mapping facility runtime environment:

ADD OLM
    FIELD START CHARACTER IS X'1E'
    FIELD SELECT CHARACTER IS C'%'
    DELIMIT CHARACTER IS X'1C'
    DATA CHARACTER IS C'_'
    NUMERIC FIELD DECIMAL-POINT IS PERIOD
    PAGE FORWARD PFKEY IS PF8
    PAGE BACKWARD PFKEY IS PF7
    PAGING STORAGE IS 12
    QUEUE RETENTION IS 100.

Changing the OLM Execution Mode

The following statement changes the

MODIFY OLM
    PAGING STORAGE IS 20.

Deleting the OLM Definition

The following statement deletes the mapping facility definition from the data dictionary:

DELETE OLM.

For more information about calculating the amount of storage required by pageable maps, see the CA IDMS Mapping Facility Guide.