LINC Programming Reference Manual - Public Support Login - Unisys

GLB.2PC
INPUT-DATE
System Data Item Descriptions
GLB.ZEROS can be used to compare or set any numeric data item, regardless of its length,
to zero.
Note: The length defaults to 1 in complex MOVE; commands.
LENGTH = Indefinite EDIT = N
GLB.2PC can be used to change the default transaction commit level for an External
Automatic Entry. Its default value is set by the value in the Two phase commit field on
the Primary Specification Options screen.
$ To change to two-phase commit, set GLB.2PC to Y.
$ To change to immediate commit, set GLB.2PC to N.
GLB.2PC must be set before the first external Automatic Entry in a transaction.
For OLTP external Automatic Entries, the setting of GLB.2PC remains in effect only for the
current transaction.
For Hub external Automatic Entries, a change to GLB.2PC from Y to N will be ignored, and
GLB.2PC will be treated as Y for all subsequent external Automatic Entries in that
transaction. A change from N to Y after the first external Automatic Entry will be
recognized. This permits the user to perform an initial non-2PC external Automatic Entry
inquiry and then to do a 2PC global transaction for the updates.
In Reports, the transaction commit level can be changed after each CRITICAL.POINT; or
SLEEP; command.
In a chain of external Automatic Entries, the commit level will be that imposed by the
ultimate originator.
Note: For an MCP based LINC System, moving Y to this System Data item will have
no effect if the REAPPLYCOMPLETED/INDEPENDENTTRANS option is set to
N on your Global Database DASDL Options screen.
For further details, see the description of external Automatic Entries in "Interfacing to
Other Systems",intheLINC Administration and Operations Guide for the relevant host
type.
LENGTH = 1 EDIT = A
INPUT-DATE contains the date on which a transaction is initiated. Its value is derived from
that displayed in the Ispec screen header, (not from the date of transmission). Therefore, if
debug date and time is activated, it contains the debug date.
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