cs_project for one column cs return null

[amutu]

for one column ,the column set all element to null,while for two column ,the result are expected.

postgres=# select t.x is null from samp2_get(),cs_project(ts) as t(x timestamp) limit 3;
NOTICE: IMCS command: project

?column?

t
t
t
(3 rows)

postgres=# select t.* from samp2_get(),cs_project((ts,STACKTOPSIGNATURE)) as t(x timestamp,y char(64)) limit 3;
NOTICE: IMCS command: project
x | y
---------------------+----------------------------------
2014-02-23 00:08:25 | 44e40035e11455f301cf8d032b497d80
2014-02-23 00:08:27 | 3e48f335512fbf922bee17f9488e71b2
2014-02-23 00:08:29 | 350a50b27e41c31f35889af56fa3fd95
(3 rows)

[knizhnik]

Sorry, NULL indicator was not properly initialized in this case.
Fixed in revision 51