setHashBy - Advanced SQL Engine - Teradata Database

SQL External Routine Programming

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Published
July 2021
Language
English (United States)
Last Update
2021-07-27
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B035-1147
lifecycle
previous
Product Category
Teradata Vantageā„¢

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.