Fix bug in CONCAT_WS()

Update of glibc patch from MySQL 4.0


Docs/glibc-2.2.5.patch:
  Update of patch from MySQL 4.0
Docs/manual.texi:
  ChangeLog
sql/item_strfunc.cc:
  Fix bug in CONCAT_WS()
sql/share/italian/errmsg.txt:
  Update of new error messages

1 files changed, 24 insertions, 0 deletions

diff --git a/mysql-test/t/func_concat.test b/mysql-test/t/func_concat.test
new file mode 100644
index 00000000000..d6da1d6a603
--- /dev/null
+++ b/mysql-test/t/func_concat.test
@@ -0,0 +1,24 @@
+#
+# Test of problem with CONCAT_WS() and long separators.
+#
+
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 ( number INT NOT NULL, alpha CHAR(6) NOT NULL );
+INSERT INTO t1 VALUES (1413006,'idlfmv'),
+(1413065,'smpsfz'),(1413127,'sljrhx'),(1413304,'qerfnd');
+
+SELECT number, alpha, CONCAT_WS('<---->',number,alpha) AS new
+FROM t1 GROUP BY number;
+
+SELECT CONCAT_WS('<---->',number,alpha) AS new
+FROM t1 GROUP BY new LIMIT 1;
+
+SELECT number, alpha, CONCAT_WS('<->',number,alpha) AS new
+FROM t1 GROUP BY new LIMIT 1;
+
+SELECT number, alpha, CONCAT_WS('-',number,alpha,alpha,alpha,alpha,alpha,alpha,alpha) AS new
+FROM t1 GROUP BY new LIMIT 1;
+
+SELECT number, alpha, CONCAT_WS('<------------------>',number,alpha) AS new
+FROM t1 GROUP BY new LIMIT 1;
+drop table t1;