Name
SPI_getbinval -- Returns the binary value of the specified attribute
Synopsis
SPI_getbinval(tuple, tupdesc, fnumber, isnull)
Inputs
- HeapTuple tuple
Input tuple to be examined
- TupleDesc tupdesc
Input tuple description
- int fnumber
Attribute number
Outputs
- Datum
Attribute binary value
- bool * isnull
flag for null value in attribute
- SPI_result
Description
SPI_getbinval
returns the binary value of the specified attribute.
Usage
Attribute numbers are 1 based.
Algorithm
Does not allocate new space for the binary value.