Update test to deal with more relaxed datetime parsing.

mysql-test/r/query_cache.result:
  Updated results
mysql-test/t/query_cache.test:
  Change test to use a truly invalid date, now that dates like 
  '20050327 0:0:0' are handled as they are in 4.0.

mysql-test/r/query_cache.result

@@ -902,24 +902,24 @@ KEY `date` (`date`)
 ) ENGINE=MyISAM;
 INSERT INTO t1 VALUES ('20050326');
 INSERT INTO t1 VALUES ('20050325');
-SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 0:0:0';
+SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 invalid';
 COUNT(*)
 0
 Warnings:
-Warning	1292	Truncated incorrect datetime value: '20050327 0:0:0'
-Warning	1292	Truncated incorrect datetime value: '20050327 0:0:0'
-SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050328 0:0:0';
+Warning	1292	Truncated incorrect datetime value: '20050327 invalid'
+Warning	1292	Truncated incorrect datetime value: '20050327 invalid'
+SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050328 invalid';
 COUNT(*)
 0
 Warnings:
-Warning	1292	Truncated incorrect datetime value: '20050328 0:0:0'
-Warning	1292	Truncated incorrect datetime value: '20050328 0:0:0'
-SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 0:0:0';
+Warning	1292	Truncated incorrect datetime value: '20050328 invalid'
+Warning	1292	Truncated incorrect datetime value: '20050328 invalid'
+SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 invalid';
 COUNT(*)
 0
 Warnings:
-Warning	1292	Truncated incorrect datetime value: '20050327 0:0:0'
-Warning	1292	Truncated incorrect datetime value: '20050327 0:0:0'
+Warning	1292	Truncated incorrect datetime value: '20050327 invalid'
+Warning	1292	Truncated incorrect datetime value: '20050327 invalid'
 show status like "Qcache_queries_in_cache";
 Variable_name	Value
 Qcache_queries_in_cache	0

mysql-test/t/query_cache.test

@@ -679,9 +679,9 @@ CREATE TABLE t1 (
 
 INSERT INTO t1 VALUES ('20050326');
 INSERT INTO t1 VALUES ('20050325');
-SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 0:0:0';
-SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050328 0:0:0';
-SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 0:0:0';
+SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 invalid';
+SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050328 invalid';
+SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 invalid';
 show status like "Qcache_queries_in_cache";
 show status like "Qcache_inserts";
 show status like "Qcache_hits";