## SPI_getargcount

SPI_getargcount — return the number of arguments needed by a statement prepared by `SPI_prepare`

## Synopsis

    int SPI_getargcount(SPIPlanPtr plan)

## Description

`SPI_getargcount` returns the number of arguments needed to execute a statement prepared by `SPI_prepare`.

## Arguments

`SPIPlanPtr `plan``

  prepared statement (returned by `SPI_prepare`)

## Return Value

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.