SPI_getargtypeid — return the data type OID for an argument of
a statement prepared by SPI_prepare
Oid SPI_getargtypeid(SPIPlanPtrplan
, intargIndex
)
SPI_getargtypeid
returns the OID representing the type
for the argIndex
'th argument of a statement prepared by
SPI_prepare
. First argument is at index zero.
SPIPlanPtr plan
prepared statement (returned by SPI_prepare
)
int argIndex
zero based index of the argument
The type OID of the argument at the given index.
If the plan
is NULL
or invalid,
or argIndex
is less than 0 or
not less than the number of arguments declared for the
plan
,
SPI_result
is set to SPI_ERROR_ARGUMENT
and InvalidOid
is returned.