Merge polly.(none):/home/kaa/src/bug30164/my50-bug30164

into  polly.(none):/home/kaa/src/bug30164/my51-bug30164

client/mysql.cc

@@ -1261,6 +1261,7 @@ static bool add_line(String &buffer,char *line,char *in_string,
   char buff[80], *pos, *out;
   COMMANDS *com;
   bool need_space= 0;
+  bool ss_comment= 0;
   DBUG_ENTER("add_line");
 
   if (!line[0] && buffer.is_empty())
@@ -1309,22 +1310,36 @@ static bool add_line(String &buffer,char *line,char *in_string,
       }
       if ((com=find_command(NullS,(char) inchar)))
       {
-	const String tmp(line,(uint) (out-line), charset_info);
-	buffer.append(tmp);
-	if ((*com->func)(&buffer,pos-1) > 0)
-	  DBUG_RETURN(1);                       // Quit
-	if (com->takes_params)
-	{
-	  for (pos++ ;
-	       *pos && (*pos != *delimiter ||
-			!is_prefix(pos + 1, delimiter + 1)) ; pos++)
-	    ;	// Remove parameters
-	  if (!*pos)
-	    pos--;
-	  else 
-	    pos+= delimiter_length - 1; // Point at last delim char
-	}
-	out=line;
+        const String tmp(line,(uint) (out-line), charset_info);
+        buffer.append(tmp);
+        if ((*com->func)(&buffer,pos-1) > 0)
+          DBUG_RETURN(1);                       // Quit
+        if (com->takes_params)
+        {
+          if (ss_comment)
+          {
+            /*
+              If a client-side macro appears inside a server-side comment,
+              discard all characters in the comment after the macro (that is,
+              until the end of the comment rather than the next delimiter)
+            */
+            for (pos++; *pos && (*pos != '*' || *(pos + 1) != '/'); pos++)
+              ;
+            pos--;
+          }
+          else
+          {
+            for (pos++ ;
+                 *pos && (*pos != *delimiter ||
+                          !is_prefix(pos + 1, delimiter + 1)) ; pos++)
+              ;	// Remove parameters
+            if (!*pos)
+              pos--;
+            else 
+              pos+= delimiter_length - 1; // Point at last delim char
+          }
+        }
+        out=line;
       }
       else
       {
@@ -1384,7 +1399,7 @@ static bool add_line(String &buffer,char *line,char *in_string,
         out=line;
       }
     }
-    else if (*ml_comment && inchar == '*' && *(pos + 1) == '/')
+    else if (*ml_comment && !ss_comment && inchar == '*' && *(pos + 1) == '/')
     {
       pos++;
       *ml_comment= 0;
@@ -1392,6 +1407,11 @@ static bool add_line(String &buffer,char *line,char *in_string,
     }      
     else
     {						// Add found char to buffer
+      if (!*in_string && inchar == '/' && *(pos + 1) == '*' &&
+          *(pos + 2) == '!')
+        ss_comment= 1;
+      else if (!*in_string && ss_comment && inchar == '*' && *(pos + 1) == '/')
+        ss_comment= 0;
       if (inchar == *in_string)
 	*in_string= 0;
       else if (!*ml_comment && !*in_string &&

mysql-test/r/mysql.result

@@ -176,5 +176,7 @@ ERROR at line 1: DELIMITER cannot contain a backslash character
 ERROR at line 1: DELIMITER cannot contain a backslash character
 1
 1
+1
+1
 End of 5.0 tests
 WARNING: --server-arg option not supported in this configuration.

mysql-test/t/mysql.test

@@ -274,6 +274,11 @@ EOF
 --exec $MYSQL --pager="540bytelengthstringxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" -e "select 1" > /dev/null 2>&1
 --exec $MYSQL --character-sets-dir="540bytelengthstringxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" -e "select 1" 2>&1
 
+#
+# bug #30164: Using client side macro inside server side comments generates broken queries
+#
+--exec $MYSQL test -e '/*! \C latin1 */ select 1;'
+
 --echo End of 5.0 tests
 
 #