SPI_getbinval
SPI_getbinval — return the binary value of the specified column
Synopsis
Datum SPI_getbinval(HeapTuplerow, TupleDescrowdesc, intcolnumber, bool *isnull)
Description
SPI_getbinval returns the value of the specified column in the internal form (as typeDatum).
This function does not allocate new space for the datum. In the case of a pass-by-reference data type, the return value will be a pointer into the passed row.
Arguments
HeapTuplerowinput row to be examined
TupleDescrowdescinput row description
intcolnumbercolumn number (count starts at 1)
bool *isnullflag for a null value in the column
Return Value
The binary value of the column is returned. The variable pointed to byisnull is set to true if the column is null, else to false.
SPI_result is set toSPI_ERROR_NOATTRIBUTE on error.