17.10 - setHashBy - 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)

Allows the contract function writer to set the HASH BY specification when developing table operators.

This routine can only run if called from the contract function. It is callable on a PE vproc.

The routine will produce an error if the stream number is invalid or the HASH BY metadata was already set.

Syntax

public void  setHashBy(int  streamno,
                      String[]  colNames)
   throws SQLException

Syntax Elements

streamno
The input stream number.
colNames
A pointer to the HASH BY metadata.