ctype_cp1250_ch.result, ctype_cp1250_ch.test:

  Adding test.
ctype-win1250ch.c:
  Bug #9759 Empty result with 'LIKE' and cp1250_czech_cs
  Wrong min_sort_char fix.

mysql-test/r/ctype_cp1250_ch.result

@@ -7,3 +7,15 @@ SELECT a, length(a), a='', a=' ', a='  ' FROM t1;
 a	length(a)	a=''	a=' '	a='  '
 	0	1	1	1
 DROP TABLE t1;
+CREATE TABLE t1 (
+popisek varchar(30) collate cp1250_general_ci NOT NULL default '',
+PRIMARY KEY  (`popisek`)
+);
+INSERT INTO t1 VALUES ('2005-01-1');
+SELECT * FROM t1 WHERE popisek = '2005-01-1';
+popisek
+2005-01-1
+SELECT * FROM t1 WHERE popisek LIKE '2005-01-1';
+popisek
+2005-01-1
+drop table t1;

mysql-test/t/ctype_cp1250_ch.test

@@ -10,3 +10,15 @@ CREATE TABLE t1 (a char(16)) character set cp1250 collate cp1250_czech_cs;
 INSERT INTO t1 VALUES ('');
 SELECT a, length(a), a='', a=' ', a='  ' FROM t1;
 DROP TABLE t1;
+
+#
+# Bug#9759 Empty result with 'LIKE' and cp1250_czech_cs
+#
+CREATE TABLE t1 (
+  popisek varchar(30) collate cp1250_general_ci NOT NULL default '',
+ PRIMARY KEY  (`popisek`)
+);
+INSERT INTO t1 VALUES ('2005-01-1');
+SELECT * FROM t1 WHERE popisek = '2005-01-1';
+SELECT * FROM t1 WHERE popisek LIKE '2005-01-1';
+drop table t1;

strings/ctype-win1250ch.c

@@ -550,7 +550,7 @@ static uchar NEAR like_range_prefix_max_win1250ch[] = {
 240, 242, 242, 245, 245, 245, 245, 247, 248, 251, 251, 251, 251, 253, 254, 255,
 };
 
-#define min_sort_char '\x00'
+#define min_sort_char '\x20'
 #define max_sort_char '\xff'
 
 /*