NAME

       SPI_getargtypeid - return the data type OID for an argument of a statement prepared by
       SPI_prepare

SYNOPSIS

       Oid SPI_getargtypeid(SPIPlanPtr plan, int argIndex)

DESCRIPTION

       SPI_getargtypeid returns the OID representing the type for the argIndex'th argument of a
       statement prepared by SPI_prepare. First argument is at index zero.

ARGUMENTS

       SPIPlanPtr plan
           prepared statement (returned by SPI_prepare)

       int argIndex
           zero based index of the argument

RETURN VALUE

       The type OID of the argument at the given index. If the plan is NULL or invalid, or
       argIndex is less than 0 or not less than the number of arguments declared for the plan,
       SPI_result is set to SPI_ERROR_ARGUMENT and InvalidOid is returned.