Usage Notes - Call-Level Interface Version 2

Teradata® Call-Level Interface Version 2 Reference for Workstation-Attached Systems - 20.00

Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
Lake
VMware
Product
Call-Level Interface Version 2
Release Number
20.00
Published
January 2024
Language
English (United States)
Last Update
2024-05-14
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Product Category
Teradata Tools and Utilities

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