When where has datatime compare,query explain has error.

1.run sqls:
[code]
CREATE TABLE "complicatetable2"
(
"cint" INTEGER NOT NULL,
"cchar" CHARACTER(1),
"cdatetime" DATETIME(23),
"cstring" CHARACTER VARYING(1073741823),
CONSTRAINT pk_complicatetable2_cint PRIMARY KEY("cint")
);
INSERT INTO complicatetable2 (cint, cchar, cdatetime, cstring) VALUES (4, 's', 2013-03-04 13:42:13.132, 'sdfdsf');
INSERT INTO complicatetable2 (cint, cchar, cdatetime, cstring) VALUES (5, 's', 2013-03-05 13:42:33.397, '233');
INSERT INTO complicatetable2 (cint, cchar, cdatetime, cstring) VALUES (3, 's', 2013-03-04 13:41:54.210, 'sdfdf');

SELECT
"cint",
"cchar",
"cdatetime",
"cstring"
FROM
"complicatetable2"
WHERE
cdatetime>'2013-03-04 13:42:33.387';
[code]
2,Click Query plan(F6),it will has error. Please see plan_error1.png, and plan_error2.png