17.10 - Example: Function Mapping Definition Using ANY IN TABLE for JSON Data Files - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Operators and User-Defined Functions

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Administration
Programming Reference
Publication ID
B035-1210-171K
Language
English (United States)

This statement defines the function mapping READ_NOS_json_intable_fm for the READ_NOS table operator. The function mapping includes the EXTERNAL SECURITY clause with the authorization DefAuth, a return type of NOSREAD_RECORD, and the ANY IN TABLE clause for querying JSON files regardless of file extension or lack thereof.

CREATE FUNCTION MAPPING READ_NOS_json_intable_fm
  FOR TD_SYSFNLIB.READ_NOS EXTERNAL SECURITY DEFINER TRUSTED DefAuth
  USING
    LOCATION('/s3/td-usgs-public.s3.amazonaws.com/JSONDATA'),
  RETURNTYPE('NOSREAD_RECORD'),
  ANY IN TABLE
;