16.20 - Return Value - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL External Routine Programming

Product
Advanced SQL Engine
Teradata Database
Release Number
16.20
Release Date
April 2020
Content Type
Programming Reference
Publication ID
B035-1147-162K
Language
English (United States)
IF the … THEN FNC_LobRead returns …
operation is successful 0
object length or the length specified in the previous call to FNC_Open was exhausted -1

The actual_length argument is set to 0.