17.10 - JSON - Advanced SQL Engine - Teradata Database

Teradata Vantageā„¢ - SQL External Routine Programming

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Programming Reference
Publication ID
B035-1147-171K
Language
English (United States)

C Data Type Definition

typedef int JSON_HANDLE;

Usage

Use the JSON_HANDLE data type when passing a JSON instance as an argument or returning a JSON type result.

Here is an example using a JSON parameter in a UDF definition and JSON_HANDLE in a C function declaration.

SQL Function Definition Equivalent C Function Declaration
CREATE FUNCTION F1 (
  A JSON(100))
RETURNS JSON(100)
 ...;
void f1( JSON_HANDLE *a,
         JSON_HANDLE *result,
   ... )
{  ... }