Enform Plus Reference Manual

Running Enform Plus
Enform Plus Reference Manual—422684-001
2-8
The TACL PARAM Command
The TACL ASSIGN command defines the physical file or files kept open. The syntax of
this command is as follows:
Fnumber
specifies the logical file name. Valid values for logical file names range from F1
through F31.
generic-file-name
is the name of one of the following generic files: QUERY-WORK-AREA, QUERY-
SORT-AREA, QUERY-QPSTATISTICS, and QUERY-QPSTATUS-MESSAGES.
All other names are ignored.
physical-filename
is a fully qualified Guardian file name. See the Guardian User's Guide for the exact
form of a Guardian file name.
exclusion-mode
is one of SHARED, PROTECTED, or EXCLUSIVE. The default is SHARED for an
input file. Valid values for generic files are described later in this section.
The TACL PARAM Command
To create a server query processor, you must include a PARAM command specifying a
REQUESTORS parameter. The REQUESTORS parameter defines the maximum number
of requestors the server query processor can accept. The other parameters are optional
and can be specified in the same or in a different PARAM statement.
REQUESTORS max-requestors
sets the maximum number of requestors a query processor can accept. A requestor
can be any Enform Plus application or a host-language program. (Host-language
programs are described in the Enform User's Guide.)
COST max-cost
sets a strategy cost limit for each Enform Plus query using this server query
processor. If an Enform Plus query exceeds the limit, it is terminated and an error
ASSIGN { Fnumber } , physical-file-name
{ generic-file-name }
[ , exclusion-mode ]
[ , COST max-cost ]
PARAM REQUESTORS max-requestors [ , TIMEOUT time-out ]
[ , READS max-reads ]