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

Teradata Vantage™ - SQL Data Definition Language Syntax and Examples

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
Release Date
September 2020
Content Type
Programming Reference
Publication ID
B035-1144-170K
Language
English (United States)

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;