Table 11 shows obsolete control tables and parameters.
Control table | Macro | Explanation |
---|---|---|
DCT | DFHDCT | CICS® no longer supports the DCT macro as a means of defining transient data queues. These must be defined in the CSD using the TDQUEUE resource type .See Migrating DCT entries to the CSD for more information about this change. |
In earlier releases that supported both the DCT and the TDQUEUE resource type, migrating the DFHDCT entries was optional. If you haven't already done so, you must now migrate DCT entries to the CSD, first reassembling your DCT with the MIGRATE option specified on the TYPE=INITIAL macro, as follows:
DFHDCT TYPE=(INITIAL,MIGRATE)
Specifying TYPE=(INITIAL,MIGRATE) ensures that the table is assembled and link-edited with AMODE(24), which is required by the MIGRATE function of the DFHCSDUP utility program. If you fail to specify MIGRATE on the TYPE=INITIAL macro, the DFHDCT macro forces AMODE(31), which causes errors when you run DFHCSDUP with the MIGRATE command for the DCT.
Use the DFHCSDUP utility program to migrate DCTs to the CSD, specifying the following command:
MIGRATE TABLE(tablename) TOGROUP(groupname)
The contents of a DCT are migrated as a single CSD group, or as a set of several groups if you reassemble the table with the group names you want to create. To do this, insert the following macro in front of each group of DCT source entries:
DFHDCT TYPE=GROUP,GROUP=groupname
See the CICS Operations and Utilities Guide for information about migrating destination control tables as groups of resource definitions in the CSD.
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