Example: Function Mapping Definition with IN TABLE, OUT TABLE, and Parameters Options - Teradata Vantage

Teradata® VantageCloud Lake

Deployment
VantageCloud
Edition
Lake
Product
Teradata Vantage
Published
January 2023
Language
English (United States)
Last Update
2024-04-03
dita:mapPath
phg1621910019905.ditamap
dita:ditavalPath
pny1626732985837.ditaval
dita:id
phg1621910019905

Following 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;