SPI_gettypeid — return the data type OID of the specified column
Oid SPI_gettypeid(TupleDescrowdesc
, intcolnumber
)
SPI_gettypeid
returns the
OID of the data type of the specified column.
TupleDesc rowdesc
input row description
int colnumber
column number (count starts at 1)
The OID of the data type of the specified column
or InvalidOid
on error. On error,
SPI_result
is set to
SPI_ERROR_NOATTRIBUTE
.