SPI_GETARGCOUNT(3)       PostgreSQL 16.2 Documentation      SPI_GETARGCOUNT(3)

NAME
       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.

PostgreSQL 16.2                      2024                   SPI_GETARGCOUNT(3)