17.10 - Usage Notes - Call-Level Interface Version 2

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

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

Initiate-request extensions (IRX) are used for initiating requests. It is of variable length, is not initialized by DBCHINI, and is allocated by the application. The DBCAREA Extension Pointer field points to IRX. IRX does not exist if there is a zero in the DBCAREA Extension Pointer field.

The IRQ Ext provides support for parameterized SQL, which is used by the Preprocessor2. It also provides support for TDSP, providing MultiTSR options.

IRX Fields

The IRX extension contains two logical sections:
  • Header
  • Element