16.20 - tdr.LobCol2Loc - 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)

Purpose

Computes the output LOB locator needed to append data to a LOB in the current output row.

Syntax

tdr.LobCol2Loc(  streamno,  attributenr)
streamno
Parameter type: integer

The output stream number.

attributenr
Parameter type: integer

The attribute number, starting from 0.

Return Value

An integer representing the output LOB locator.

Usage Notes

This function is valid only if called from the table operator.

An error is raised if the function is called from the contract function.

Example: Get the Output LOB Locator

Consider an output table with 5 attributes: (int, int, int, int, clob).

The following statement gets the output locator of the last attribute in the current row:

loc <- tdr.LobCol2Loc(0,4)