17.10 - Request Length - Call-Level Interface Version 2

Teradata® Call-Level Interface Version 2 Reference for Workstation-Attached Systems

Call-Level Interface Version 2
Release Number
Release Date
October 2021
Content Type
Programming Reference
Publication ID
English (United States)

Usage Notes

Request Length field is the length in bytes of the request string.

Language Variable Name
C: DBCAREA.H: req_len
Routine Action Taken
DBCHINI: writes
DBCHCL: reads (IRQ)
Used by Action Taken
application program writes
Before calling DBCHCL for the Initiate Request function and if Variable Length Request is set to:
  • N, the application program must set the value of Request Length to the length of the request string.
  • Y, the application program ignores Request Length and sets the value in the two-byte length field that precedes the request text.