PostgreSQL 8.2.23 Documentation
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# SPI_getargcount

## Name

SPI_getargcount -- return the number of arguments needed by a plan prepared by `SPI_prepare`

## Synopsis

    int SPI_getargcount(void * plan)

## Description

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

## Arguments

`void * `plan``

  execution plan (returned by `SPI_prepare`)

## Return Value

The expected argument count for the `plan`, or `SPI_ERROR_ARGUMENT` if the `plan` is `NULL`

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