Example: Identifying AMPs for a Table with a Sparse Map - Advanced SQL Engine - Teradata Database

SQL Operators and User-Defined Functions

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
Published
January 2021
Language
English (United States)
Last Update
2023-04-27
dita:mapPath
xwv1596137968859.ditamap
dita:ditavalPath
hoy1596145193032.ditaval
dita:id
B035-1210
lifecycle
previous
Product Category
Teradata Vantage™

Use the function SYSLIB.SparseTableAMPs to identify the AMPs for a specific table in a sparse map.

SELECT SYSLIB.SparseTableAMPs('db1','tab1') AS AMPList;

AMPList
-------------------------------------------   
      1    202    543  32454

Use the following query to convert the function's result to a comma separated form.

SELECT REGEXP_REPLACE(TRIM(LEADING FROM
         SYSLIB.SparseTableAMPs('db1','tab1')), ' +', ',') AS AMPList;

AMPList
-------------------------------------------
1,202,543,32454