PostgreSQL
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