/*
 * Test case for PQsendDescribePrepared
 * Need first to run this query on the database connection is made
 * to:
 * CREATE TABLE aa (a int);
 */
#include <libpq-fe.h>

#define DB_CONN_STR		"host=localhost dbname=postgres"
#define SQL_FETCH_AA	"select a from aa where a = $1"

int
main(int argc, char *argv[])
{
	PGconn*         conn;
	PGresult*       res;

	if ((conn = PQconnectdb(DB_CONN_STR)) == NULL)
		fprintf(stderr, "Connect to '%s' failed", DB_CONN_STR);

	if (PQstatus(conn) != CONNECTION_OK)
		fprintf(stderr, "Connect to '%s' failed: %s",
			DB_CONN_STR, PQerrorMessage(conn));

	if ((res = PQprepare(conn, "sql_fetch_aa",
						 SQL_FETCH_AA, 2, NULL)) == NULL)
		fprintf(stderr, "Preparing statement '%s' failed",
			SQL_FETCH_AA);

	if (PQresultStatus(res) != PGRES_COMMAND_OK)
		fprintf(stderr, "Preparing statement '%s' failed: %s",
			SQL_FETCH_AA, PQerrorMessage(conn));

	PQclear(res);

	/* Call getParameterDescription */
	PQsendDescribePrepared(conn, "sql_fetch_aa");
	if ((res = PQgetResult(conn)) == NULL)
		fprintf(stderr, "Describe statement '%s' failed: %s",
			SQL_FETCH_AA, PQerrorMessage(conn));
	PQclear(res);

	return 0;
}