---
title: "SPI_getargcount"
id: spi-spi-getargcount
pg_version: "20devel"
---

<a id="spi-spi-getargcount"></a>

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

## Synopsis

```
int SPI_getargcount(SPIPlanPtr plan)
```

<a id="id-1.8.12.8.12.5"></a>

## Description

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

<a id="id-1.8.12.8.12.6"></a>

## Arguments

**`SPIPlanPtr plan`**

 prepared statement (returned by `SPI_prepare`) <a id="id-1.8.12.8.12.7"></a>

## 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.