15.10 - Fetch Data Pointer—Move Mode - Call-Level Interface Version 2

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

prodname
Call-Level Interface Version 2
vrm_release
15.10
category
Programming Reference
featnum
B035-2417-035K

In the Move Mode, Fetch Data Pointer is where an application specifies the address of its move area before fetching results from the listed requests.

 

This routine...

Does this for Fetch Data Pointer in Move Mode...

DBCHINI

writes

DBCHCL

reads (FET)

The following table explains how Fetch Data Pointer works in Move Mode (Locate Mode = N) when DBCHCL is called for the following functions:

  • Connect
  • RunStartUp
  • Command
  • Initiate Request
  • Initiate with Protocol‑Function
  •  

    IF Variable Length Fetch is set to this value in DBCAREA...

    THEN the address in Fetch Data Pointer points to the ...

    N

    first byte of the parcel body.

    Y

    two‑byte length field that precedes the returned data.

    In Move Mode, only the number of bytes that constitute the length are affected in the move area. The bytes beyond are unaffected.

     

    In Move Mode, Fetch Data Pointer is used by...

    To...

    applications

    write (FET)