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
ft:locale
en-US
ft:lastEdition
2025-03-30
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iiv1628111441820.ditamap
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qkf1628213546010.ditaval
dita:id
qnu1472247494689
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"