Merge chilla.local:/home/mydev/mysql-5.0-mmerge

into  chilla.local:/home/mydev/mysql-5.1-amain

mysql-test/r/federated.result

@@ -1717,6 +1717,22 @@ id	c1	c2
 9	abc	ppc
 drop table federated.t1, federated.t2;
 drop table federated.t1, federated.t2;
+create table t1 (id int not null auto_increment primary key, val int);
+create table t1
+(id int not null auto_increment primary key, val int) engine=federated
+connection='mysql://root@127.0.0.1:SLAVE_PORT/test/t1';
+insert into t1 values (1,0),(2,0);
+update t1 set val = NULL where id = 1;
+select * from t1;
+id	val
+1	NULL
+2	0
+select * from t1;
+id	val
+1	NULL
+2	0
+drop table t1;
+drop table t1;
 DROP TABLE IF EXISTS federated.t1;
 DROP DATABASE IF EXISTS federated;
 DROP TABLE IF EXISTS federated.t1;

mysql-test/t/federated.test

@@ -1366,6 +1366,25 @@ drop table federated.t1, federated.t2;
 connection master;
 --enable_parsing
 
+#
+# Bug #16494: Updates that set a column to NULL fail sometimes
+#
+connection slave;
+create table t1 (id int not null auto_increment primary key, val int);
+connection master;
+--replace_result $SLAVE_MYPORT SLAVE_PORT
+eval create table t1
+  (id int not null auto_increment primary key, val int) engine=federated
+  connection='mysql://root@127.0.0.1:$SLAVE_MYPORT/test/t1';
+insert into t1 values (1,0),(2,0);
+update t1 set val = NULL where id = 1;
+select * from t1;
+connection slave;
+select * from t1;
+drop table t1;
+connection master;
+drop table t1;
+
 # 
 # Additional test for bug#18437 "Wrong values inserted with a before
 # update trigger on NDB table". SQL-layer didn't properly inform

netware/BUILD/mwasmnlm

@@ -5,4 +5,7 @@ set -e
 
 args=" $*"
 
-wine --debugmsg -all -- mwasmnlm $args
+# NOTE: Option 'pipefail' is not standard sh
+set -o pipefail
+wine --debugmsg -all -- mwasmnlm $args | \
+perl -pe 's/\r//g; s/^\e.*\e(\[J|>)?//; s/[[^:print:]]//g'

netware/BUILD/mwccnlm

@@ -7,4 +7,7 @@ set -e
 # convert it to "-I../include"
 args=" "`echo $* | sed -e 's/-I.\/../-I../g'`
 
-wine --debugmsg -all -- mwccnlm $args
+# NOTE: Option 'pipefail' is not standard sh
+set -o pipefail
+wine --debugmsg -all -- mwccnlm $args | \
+perl -pe 's/\r//g; s/^\e.*\e(\[J|>)?//; s/[[^:print:]]//g'

netware/BUILD/mwldnlm

@@ -5,4 +5,7 @@ set -e
 
 args=" $*"
 
-wine --debugmsg -all -- mwldnlm $args
+# NOTE: Option 'pipefail' is not standard sh
+set -o pipefail
+wine --debugmsg -all -- mwldnlm $args | \
+perl -pe 's/\r//g; s/^\e.*\e(\[J|>)?//; s/[[^:print:]]//g'

sql-common/client.c

@@ -1509,6 +1509,7 @@ mysql_ssl_set(MYSQL *mysql __attribute__((unused)) ,
 */
 
 #ifdef HAVE_OPENSSL
+
 static void
 mysql_ssl_free(MYSQL *mysql __attribute__((unused)))
 {
@@ -1533,6 +1534,7 @@ mysql_ssl_free(MYSQL *mysql __attribute__((unused)))
   DBUG_VOID_RETURN;
 }
 
+#endif /* HAVE_OPENSSL */
 
 /*
   Return the SSL cipher (if any) used for current
@@ -1548,8 +1550,10 @@ const char * STDCALL
 mysql_get_ssl_cipher(MYSQL *mysql)
 {
   DBUG_ENTER("mysql_get_ssl_cipher");
+#ifdef HAVE_OPENSSL
   if (mysql->net.vio && mysql->net.vio->ssl_arg)
     DBUG_RETURN(SSL_get_cipher_name((SSL*)mysql->net.vio->ssl_arg));
+#endif /* HAVE_OPENSSL */
   DBUG_RETURN(NULL);
 }
 
@@ -1568,6 +1572,9 @@ mysql_get_ssl_cipher(MYSQL *mysql)
    1 Failed to validate server
 
  */
+
+#ifdef HAVE_OPENSSL
+
 static int ssl_verify_server_cert(Vio *vio, const char* server_hostname)
 {
   SSL *ssl;

sql/ha_federated.cc

@@ -1804,19 +1804,13 @@ int ha_federated::update_row(const byte *old_data, byte *new_data)
   /* 
     buffers for following strings
   */
-  char old_field_value_buffer[STRING_BUFFER_USUAL_SIZE];
-  char new_field_value_buffer[STRING_BUFFER_USUAL_SIZE];
+  char field_value_buffer[STRING_BUFFER_USUAL_SIZE];
   char update_buffer[FEDERATED_QUERY_BUFFER_SIZE];
   char where_buffer[FEDERATED_QUERY_BUFFER_SIZE];
 
-  /* stores the value to be replaced of the field were are updating */
-  String old_field_value(old_field_value_buffer,
-                         sizeof(old_field_value_buffer),
-                         &my_charset_bin);
-  /* stores the new value of the field */
-  String new_field_value(new_field_value_buffer,
-                         sizeof(new_field_value_buffer),
-                         &my_charset_bin);
+  /* Work area for field values */
+  String field_value(field_value_buffer, sizeof(field_value_buffer),
+                     &my_charset_bin);
   /* stores the update query */
   String update_string(update_buffer,
                        sizeof(update_buffer),
@@ -1829,8 +1823,7 @@ int ha_federated::update_row(const byte *old_data, byte *new_data)
   /* 
     set string lengths to 0 to avoid misc chars in string
   */
-  old_field_value.length(0);
-  new_field_value.length(0);
+  field_value.length(0);
   update_string.length(0);
   where_string.length(0);
 
@@ -1844,8 +1837,8 @@ int ha_federated::update_row(const byte *old_data, byte *new_data)
     In this loop, we want to match column names to values being inserted
     (while building INSERT statement).
 
-    Iterate through table->field (new data) and share->old_filed (old_data)
-    using the same index to created an SQL UPDATE statement, new data is
+    Iterate through table->field (new data) and share->old_field (old_data)
+    using the same index to create an SQL UPDATE statement. New data is
     used to create SET field=value and old data is used to create WHERE
     field=oldvalue
   */
@@ -1855,13 +1848,15 @@ int ha_federated::update_row(const byte *old_data, byte *new_data)
     if (bitmap_is_set(table->write_set, (*field)->field_index))
     {
       if ((*field)->is_null())
-        new_field_value.append(FEDERATED_NULL);
+        update_string.append(FEDERATED_NULL);
       else
       {
         my_bitmap_map *old_map= tmp_use_all_columns(table, table->read_set);
         /* otherwise = */
-        (*field)->val_str(&new_field_value);
-        (*field)->quote_data(&new_field_value);
+        (*field)->val_str(&field_value);
+        (*field)->quote_data(&field_value);
+        update_string.append(field_value);
+        field_value.length(0);
         tmp_restore_column_map(table->read_set, old_map);
       }
       update_string.append((*field)->field_name);

sql/item_cmpfunc.cc

@@ -3318,7 +3318,7 @@ longlong Item_func_regex::val_int()
     }
   }
   null_value=0;
-  return my_regexec(&preg,res->c_ptr(),0,(my_regmatch_t*) 0,0) ? 0 : 1;
+  return my_regexec(&preg,res->c_ptr_safe(),0,(my_regmatch_t*) 0,0) ? 0 : 1;
 }
 
 

tests/Makefile.am

@@ -50,8 +50,14 @@ INCLUDES =		-I$(top_builddir)/include -I$(top_srcdir)/include \
 LIBS =			@CLIENT_LIBS@
 LDADD =			@CLIENT_EXTRA_LDFLAGS@ \
                         $(LIBMYSQLCLIENT_LA)
+if HAVE_NETWARE
+mysql_client_test_LDADD= $(LDADD) $(CXXLDFLAGS)
+mysql_client_test_SOURCES= mysql_client_test.c $(yassl_dummy_link_fix) \
+			../mysys/my_memmem.c
+else
 mysql_client_test_LDADD= $(LDADD) $(CXXLDFLAGS) -L../mysys -lmysys
 mysql_client_test_SOURCES= mysql_client_test.c $(yassl_dummy_link_fix)
+endif
 insert_test_SOURCES=       insert_test.c $(yassl_dummy_link_fix)
 select_test_SOURCES=       select_test.c $(yassl_dummy_link_fix)
 insert_test_DEPENDENCIES=	$(LIBRARIES) $(pkglib_LTLIBRARIES)