Example: Locator Mode Processing of a Large Object - Analytics Database - Teradata Vantage

SQL Data Manipulation Language

Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
VMware
Product
Analytics Database
Teradata Vantage
Release Number
17.20
Published
June 2022
Language
English (United States)
Last Update
2024-04-05
dita:mapPath
pon1628111750298.ditamap
dita:ditavalPath
qkf1628213546010.ditaval
dita:id
esx1472246586715
lifecycle
latest
Product Category
Teradata Vantage™

The first example shows how locator b is used to copy an existing, Vantage platform-resident BLOB from its current base table location into a base table named mytable without any data transferred to the client.

     USING (a INTEGER,
            b BLOB AS LOCATOR)
     INSERT INTO mytable VALUES (:a, :b);

The second example shows the BLOB data identified by locator b being returned to the client.

     .SET INDICDATA ON
     .EXPORT INDICDATA FILE=udbsales.dat

     USING (b BLOB AS LOCATOR)
     SELECT :b;

     .EXPORT RESET