Example: HASHAMP with an Expression and a Contiguous Map - Teradata VantageCloud Lake

Lake - Working with SQL

Deployment
VantageCloud
Edition
Lake
Product
Teradata VantageCloud Lake
Release Number
Published
February 2025
ft:locale
en-US
ft:lastEdition
2025-11-21
dita:mapPath
jbe1714339405530.ditamap
dita:ditavalPath
pny1626732985837.ditaval
dita:id
jbe1714339405530

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;