tdr.GetHashByDef Function | R Table Operators | Teradata Vantage - tdr.GetHashByDef - Analytics Database - Teradata Vantage

SQL External Routine Programming

Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
VMware
Product
Analytics Database
Teradata Vantage
Release Number
17.20
Published
June 2022
Language
English (United States)
Last Update
2023-07-11
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iiv1628111441820.ditamap
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B035-1147
lifecycle
latest
Product Category
Teradata Vantageā„¢

Returns the column names in the HASH BY clause for a specified input stream.

Syntax

tdr.GetHashByDef(  streamno  )

Syntax Elements

streamno
Parameter type: integer

The input stream number.

Example: Get the Columns in the HASH BY Clause

Consider the following HASH BY clause for input stream 0:

HASH BY col1, col3

The following statement retrieves the columns in the HASH BY clause and prints them.

print( tdr.GetHashByDef( 0));

The output of the print statement is as follows:

$Num_Columns
[1] 2

$ColumnNames
[1] "col1" "col3"