17.10 - Syntax - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - 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)
int
FNC_TblOpGetAttributeByNdx(FNC_TblOpHandle_t  *handle,
                           int                 index,
                           void              **valueptr,
                           int                *null_ind,
                           int                *length);

Syntax Elements

handle
the handle to the current read context.
For details about the FNC_TblOpHandle_t structure, see Table Operator Interface Functions.
index
the index of an attribute. The range of values is from 0 to i-1, where 0 is the index of the first attribute.
valueptr
location of pointer to the attribute value to be returned.
null_ind
whether the attribute is null. -1 indicates null and 0 indicates not null.
length
the size in bytes of the value pointed to by *valueptr. For character varying data types, the length includes the 2 byte length field.