tdr.GetLobLength Function | R Table Operators | Teradata Vantage - 17.10 - tdr.GetLobLength - 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)

Returns a real value representing the number of bytes in the specified LOB.

Syntax

tdr.GetLobLength(locator)

Syntax Elements

locator
Parameter type: integer

See how this function retrieves the length of an input LOB.

Usage Notes

This function is valid only if called from the table operator.

An error is raised if the function is called from the contract function.

Example: Get the Length of an Input LOB

# Open the input stream
inHandle <- tdr.Open("R", 0, 0);

# Get the 5th attribute in the current row (LOB locator)
att5 <- tdr.GetAttributeByNdx(inHandle, 4, NULL);

# Get the length of the input LOB
length <- tdr.GetLobLength(att5);