17.10 - Example: HASHAMP with an Expression and a Contiguous Map - Advanced SQL Engine - Teradata Database

Teradata Vantageā„¢ - SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Published
July 2021
Language
English (United States)
Last Update
2021-07-28
dita:mapPath
SQL_Functions__Expressions__and_Predicates.Upload_071421/djk1612415574830.ditamap
dita:ditavalPath
SQL_Functions__Expressions__and_Predicates.Upload_071421/wrg1590696035526.ditaval
dita:id
kby1472250656485

The following query returns the ID of the primary AMP corresponding to the specified hash bucket number:

Select HashAmp ( HashBucket(HashRow(column1, column2)) map = contiguousmap_name ) from t1;