Merge mysql.com:/home/svoj/devel/mysql/BUG31159/mysql-5.0-engines

into  mysql.com:/home/svoj/devel/mysql/BUG31159/mysql-5.1-engines


include/my_sys.h:
  Use local.
mysys/charset.c:
  Use local.
sql/item_func.cc:
  Use local.
mysql-test/r/ctype_ucs.result:
  SCCS merged
mysql-test/t/ctype_ucs.test:
  SCCS merged

mysql-test/r/ctype_ucs.result

@@ -811,6 +811,12 @@ quote(name)
 ????????
 ????????????????
 drop table bug20536;
+CREATE TABLE t1(a TEXT CHARSET ucs2 COLLATE ucs2_unicode_ci);
+INSERT INTO t1 VALUES('abcd');
+SELECT * FROM t1 WHERE MATCH(a) AGAINST ('+abcd' IN BOOLEAN MODE);
+a
+abcd
+DROP TABLE t1;
 End of 4.1 tests
 CREATE TABLE t1 (a varchar(64) character set ucs2, b decimal(10,3));
 INSERT INTO t1 VALUES ("1.1", 0), ("2.1", 0);

mysql-test/t/ctype_ucs.test

@@ -547,6 +547,14 @@ select quote(name) from bug20536;
 
 drop table bug20536;
 
+#
+# BUG#31159 - fulltext search on ucs2 column crashes server
+#
+CREATE TABLE t1(a TEXT CHARSET ucs2 COLLATE ucs2_unicode_ci);
+INSERT INTO t1 VALUES('abcd');
+SELECT * FROM t1 WHERE MATCH(a) AGAINST ('+abcd' IN BOOLEAN MODE);
+DROP TABLE t1;
+
 --echo End of 4.1 tests
 
 #