Example: Function Mapping Definition with IN TABLE, OUT TABLE, and Parameters Options - Advanced SQL Engine - Teradata Database

SQL Data Definition Language Syntax and Examples

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
Published
January 2021
Language
English (United States)
Last Update
2021-01-22
dita:mapPath
ncd1596241368722.ditamap
dita:ditavalPath
hoy1596145193032.ditaval
dita:id
B035-1144
lifecycle
previous
Product Category
Teradata Vantage™

Below is the function mapping definition glm for the function glm located on the server coprocessor.

During function processing, you can specify the following options in the SELECT FROM table operator USING clause:
  • InputTable as an input table correlation name.
  • OutputTable as an output table.
  • Parameters including ColumnNames, CategoricalColumns, Family, Link, Weight, Threshold, MaxIterNum, Intercept, and Step.
CREATE FUNCTION MAPPING appl_view_db.glm 
   FOR glm SERVER coprocessor 
   MAP JSON ( '{ "function_version": "1.0" }') 
   USING 
   InputTable IN TABLE,  
   OutputTable OUT TABLE,  
   ColumnNames, CategoricalColumns, Family, 
   Link, Weight, Threshold, MaxIterNum, Intercept, Step;