Merge bk@192.168.21.1:mysql-4.1-opt

into  mysql.com:/home/hf/work/embt/my41-embt


libmysqld/lib_sql.cc:
  Auto merged
sql/item_func.cc:
  Auto merged

libmysqld/examples/test-run

@@ -10,7 +10,7 @@
 top_builddir=../..
 mysql_test_dir=$top_builddir/mysql-test
 examples=$top_builddir/libmysqld/examples
-mysqltest=$examples/mysqltest
+mysqltest=$examples/mysqltest_embedded
 datadir=$mysql_test_dir/var/master-data
 test_data_dir=test
 gdb=0

libmysqld/lib_sql.cc

@@ -521,6 +521,7 @@ void *create_embedded_thd(int client_flag)
   thd->set_time();
   thd->init_for_queries();
   thd->client_capabilities= client_flag;
+  thd->real_id= (pthread_t) thd;
 
   thd->db= NULL;
   thd->db_length= 0;
@@ -819,6 +820,9 @@ void Protocol_simple::prepare_for_resend()
 
   DBUG_ENTER("send_data");
 
+  if (!thd->mysql)            // bootstrap file handling
+    DBUG_VOID_RETURN;
+
   if (!data)
   {
     if (!(data= (MYSQL_DATA*) my_malloc(sizeof(MYSQL_DATA),

mysql-test/t/delayed.test

+# delayed works differently in embedded server
+--source include/not_embedded.inc
 #
 # test of DELAYED insert and timestamps
 # (Can't be tested with purify :( )

mysql-test/t/innodb.test

@@ -1299,6 +1299,7 @@ drop table test_checksum;
 
 set foreign_key_checks=0;
 create table t2 (a int primary key, b int, foreign key (b) references t1(a)) engine = innodb;
+--replace_result \\ / $MYSQL_TEST_DIR . /var/master-data/ /
 -- error 1005
 create table t1(a char(10) primary key, b varchar(20)) engine = innodb;
 set foreign_key_checks=1;
@@ -1309,6 +1310,7 @@ drop table t2;
 
 set foreign_key_checks=0;
 create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1;
+--replace_result \\ / $MYSQL_TEST_DIR . /var/master-data/ /
 -- error 1005
 create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=utf8;
 set foreign_key_checks=1;
@@ -1338,6 +1340,7 @@ drop table t2,t1;
 set foreign_key_checks=0;
 create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1;
 create table t3(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=utf8;
+--replace_result \\ / $MYSQL_TEST_DIR . /var/master-data/ /
 -- error 1025
 rename table t3 to t1;
 set foreign_key_checks=1;

sql/item_func.cc

@@ -2238,7 +2238,11 @@ longlong Item_func_release_lock::val_int()
   }
   else
   {
+#ifdef EMBEDDED_LIBRARY
+    if (ull->locked && pthread_equal(current_thd->real_id,ull->thread))
+#else
     if (ull->locked && pthread_equal(pthread_self(),ull->thread))
+#endif
     {
       result=1;					// Release is ok
       item_user_lock_release(ull);