Session-desc-length - Call-Level Interface Version 2

Teradata Call-Level Interface Version 2 Reference for Mainframe-Attached Systems

Product
Call-Level Interface Version 2
Release Number
16.10
Published
May 2017
Language
English (United States)
Last Update
2018-05-07
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B035-2417
lifecycle
previous
Product Category
Teradata Tools and Utilities

Session-desc-length is a four-byte field: when the Variable-length-request option is “N” it contains the number of bytes addressed by the Session-desc-pointer field; when the Variable-length-request option is “Y”, Session-desc-length is ignored.

Use of Session-desc requires a Connect-type setting of “C”.

Session-desc-length exists only when DBCHINI had been called for a DBCAREA with Total-length set to at least 640 (that is, the returned DBCAREA Level value is at least 1). For a smaller DBCAREA, Session-desc-length is ignored.

In this language... The variable name for Session-desc-length...
COBOL SESS-DESC-LEN
PL/I SESS_DESC_LEN
C, C++ sessDescLen
IBM Assembler DBCNISDL
This routine... Does this for Session-desc-length...
DBCHINI writes
DBCHCL reads (RCON)
Session-desc-length is used by... To...
applications write

The value must be positive. The sum of this length and the length used for Workload-pointer must be less than or equal to one of the following values:

The maximum value is approximately. . . If Maximum-parcel is set to...
32,725 O
64,493 H
2,147,483,602 H, and the Teradata Database supports ExtendedResponse, as indicated by the DBCHQE Extended-response-support query.

The actual maximum may vary slightly with the version of the Teradata Database being used; the value may be obtained using the DBCHQE CLIv2-limits query.