tdr.GetHashByDef Function | R Table Operators | Teradata Vantage - tdr.GetHashByDef - 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„¢

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"