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

Teradata Vantage™ - SQL Operators and User-Defined Functions

Product
Advanced SQL Engine
Teradata Database
Release Number
16.20
Release Date
April 2020
Content Type
Administration
Programming Reference
Publication ID
B035-1210-162K
Language
English (United States)

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