SPI_getargcount — return the number of arguments needed by a statement
prepared by SPI_prepare
int SPI_getargcount(SPIPlanPtr plan
)
SPI_getargcount
returns the number of arguments needed
to execute a statement prepared by SPI_prepare
.
SPIPlanPtr plan
prepared statement (returned by SPI_prepare
)
The count of expected arguments for the plan
.
If the plan
is NULL
or invalid,
SPI_result
is set to SPI_ERROR_ARGUMENT
and -1 is returned.