SPI_getbinval -- return the binary value of the specified column
Synopsis
Datum SPI_getbinval(HeapTuple row, TupleDesc rowdesc, int colnumber, bool * isnull)
Description
SPI_getbinval returns the value of the
specified column in the internal form (as type Datum).
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
HeapTuple row
input row to be examined
TupleDesc rowdesc
input row description
int colnumber
column number (count starts at 1)
bool * isnull
flag for a null value in the column
Return Value
The binary value of the column is returned. The variable pointed
to by isnull is set to true if the column is
null, else to false.
SPI_result is set to
SPI_ERROR_NOATTRIBUTE on error.
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