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

Teradata Vantage™ - SQL Data Manipulation Language

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
Published
January 2021
Language
English (United States)
Last Update
2021-01-22
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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.s3.amazonaws.com/JSONDATA'),
  RETURNTYPE('NOSREAD_RECORD'),
  ANY IN TABLE
;