Manual merge

sql/sp_head.cc:
  Manual merge, bug#27876
sql/sql_lex.cc:
  Manual merge, bug#27876
sql/sql_lex.h:
  Manual merge, bug#27876
sql/sql_view.cc:
  Manual merge, bug#27876
tests/mysql_client_test.c:
  Manual merge, bug#27876

sql/sp_head.cc

@@ -571,7 +571,7 @@ sp_head::init_strings(THD *thd, LEX *lex)
     Trim "garbage" at the end. This is sometimes needed with the
     "/ * ! VERSION... * /" wrapper in dump files.
   */
-  endp= skip_rear_comments(m_body_begin, endp);
+  endp= skip_rear_comments(thd->charset(), m_body_begin, endp);
 
   m_body.length= endp - m_body_begin;
   m_body.str= strmake_root(root, m_body_begin, m_body.length);

sql/sql_lex.cc

@@ -1151,6 +1151,7 @@ Alter_info::Alter_info(const Alter_info &rhs, MEM_ROOT *mem_root)
 
   SYNOPSIS
     skip_rear_comments()
+      cs      character set
       begin   pointer to the beginning of statement
       end     pointer to the end of statement
 
@@ -1161,10 +1162,12 @@ Alter_info::Alter_info(const Alter_info &rhs, MEM_ROOT *mem_root)
     Pointer to the last non-comment symbol of the statement.
 */
 
-const char *skip_rear_comments(const char *begin, const char *end)
+const char *skip_rear_comments(CHARSET_INFO *cs, const char *begin,
+                               const char *end)
 {
-  while (begin < end && (end[-1] <= ' ' || end[-1] == '*' ||
-                         end[-1] == '/' || end[-1] == ';'))
+  while (begin < end && (end[-1] == '*' ||
+                         end[-1] == '/' || end[-1] == ';' ||
+                         my_isspace(cs, end[-1])))
     end-= 1;
   return end;
 }

sql/sql_lex.h

@@ -1417,7 +1417,8 @@ extern void lex_free(void);
 extern void lex_start(THD *thd);
 extern void lex_end(LEX *lex);
 extern int MYSQLlex(void *arg, void *yythd);
-extern const char *skip_rear_comments(const char *ubegin, const char *uend);
+extern const char *skip_rear_comments(CHARSET_INFO *cs, const char *ubegin,
+                                      const char *uend);
 
 extern bool is_lex_native_function(const LEX_STRING *name);
 

sql/sql_view.cc

@@ -775,7 +775,7 @@ static int mysql_register_view(THD *thd, TABLE_LIST *view,
   view->query.length= str.length()-1; // we do not need last \0
   view->source.str= thd->query + thd->lex->create_view_select_start;
   endp= view->source.str;
-  endp= skip_rear_comments(endp, thd->query + thd->query_length);
+  endp= skip_rear_comments(thd->charset(), endp, thd->query + thd->query_length);
   view->source.length= endp - view->source.str;
   view->file_version= 1;
   view->calc_md5(md5);

tests/mysql_client_test.c

@@ -16097,6 +16097,70 @@ static void test_bug28075()
 }
 #endif
 
+
+/*
+  Bug#27876 (SF with cyrillic variable name fails during execution (regression))
+*/
+static void test_bug27876()
+{
+  int rc;
+  MYSQL_RES *result;
+
+  char utf8_func[] =
+  {
+    0xd1, 0x84, 0xd1, 0x83, 0xd0, 0xbd, 0xd0, 0xba,
+    0xd1, 0x86, 0xd0, 0xb8, 0xd0, 0xb9, 0xd0, 0xba,
+    0xd0, 0xb0,
+    0x00
+  };
+
+  char utf8_param[] =
+  {
+    0xd0, 0xbf, 0xd0, 0xb0, 0xd1, 0x80, 0xd0, 0xb0,
+    0xd0, 0xbc, 0xd0, 0xb5, 0xd1, 0x82, 0xd1, 0x8a,
+    0xd1, 0x80, 0x5f, 0xd0, 0xb2, 0xd0, 0xb5, 0xd1,
+    0x80, 0xd1, 0x81, 0xd0, 0xb8, 0xd1, 0x8f,
+    0x00
+  };
+
+  char query[500];
+
+  DBUG_ENTER("test_bug27876");
+  myheader("test_bug27876");
+
+  rc= mysql_query(mysql, "set names utf8");
+  myquery(rc);
+
+  rc= mysql_query(mysql, "select version()");
+  myquery(rc);
+  result= mysql_store_result(mysql);
+  mytest(result);
+
+  sprintf(query, "DROP FUNCTION IF EXISTS %s", utf8_func);
+  rc= mysql_query(mysql, query);
+  myquery(rc);
+
+  sprintf(query,
+          "CREATE FUNCTION %s( %s VARCHAR(25))"
+          " RETURNS VARCHAR(25) DETERMINISTIC RETURN %s",
+          utf8_func, utf8_param, utf8_param);
+  rc= mysql_query(mysql, query);
+  myquery(rc);
+  sprintf(query, "SELECT %s(VERSION())", utf8_func);
+  rc= mysql_query(mysql, query);
+  myquery(rc);
+  result= mysql_store_result(mysql);
+  mytest(result);
+
+  sprintf(query, "DROP FUNCTION %s", utf8_func);
+  rc= mysql_query(mysql, query);
+  myquery(rc);
+
+  rc= mysql_query(mysql, "set names default");
+  myquery(rc);
+}
+
+
 /*
   Read and parse arguments and MySQL options from my.cnf
 */
@@ -16384,6 +16448,7 @@ static struct my_tests_st my_tests[]= {
 #ifdef fix_bug_in_pb_first 
   { "test_bug28075", test_bug28075 },
 #endif
+  { "test_bug27876", test_bug27876 },
   { 0, 0 }
 };