*** /home/zozo/cvs/pgsql/pgsql/src/interfaces/ecpg/ecpglib/descriptor.c	2010-01-15 12:55:24.000000000 +0100
--- pgsql.3/src/interfaces/ecpg/ecpglib/descriptor.c	2010-01-15 13:14:35.000000000 +0100
***************
*** 739,752 ****
  
  	/* DESCRIBE INPUT is not yet supported */
  	if (input)
  		return ret;
  
  	con = ecpg_get_connection(connection_name);
  	if (!con)
! 		return false;
  	prep = ecpg_find_prepared_statement(stmt_name, con, NULL);
  	if (!prep)
  		return ret;
  
  	va_start(args, stmt_name);
  
--- 739,762 ----
  
  	/* DESCRIBE INPUT is not yet supported */
  	if (input)
+ 	{
+ 		ecpg_raise(line, ECPG_UNSUPPORTED, ECPG_SQLSTATE_ECPG_INTERNAL_ERROR, "DESCRIBE INPUT");
  		return ret;
+ 	}
  
  	con = ecpg_get_connection(connection_name);
  	if (!con)
! 	{
! 		ecpg_raise(line, ECPG_NO_CONN, ECPG_SQLSTATE_CONNECTION_DOES_NOT_EXIST,
! 				connection_name ? connection_name : ecpg_gettext("NULL"));
! 		return ret;
! 	}
  	prep = ecpg_find_prepared_statement(stmt_name, con, NULL);
  	if (!prep)
+ 	{
+ 		ecpg_raise(line, ECPG_INVALID_STMT, ECPG_SQLSTATE_INVALID_SQL_STATEMENT_NAME, stmt_name);
  		return ret;
+ 	}
  
  	va_start(args, stmt_name);