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SPI_GETBINVAL(3)	PostgreSQL 9.6.3 Documentation	      SPI_GETBINVAL(3)

NAME
       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.

PostgreSQL 9.6.3		     2017		      SPI_GETBINVAL(3)

NAME | SYNOPSIS | DESCRIPTION | ARGUMENTS | RETURN VALUE

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