Fixes to embedded server to be able to run tests with it

(Needed for "list of pushes" web page and autopush)


include/mysql.h:
  Fix to embedded server to be able to run tests on it
libmysql/libmysql.c:
  Fix to embedded server to be able to run tests on it
libmysqld/emb_qcache.cc:
  Fix to embedded server to be able to run tests on it
libmysqld/embedded_priv.h:
  Fix to embedded server to be able to run tests on it
libmysqld/lib_sql.cc:
  Fix to embedded server to be able to run tests on it
libmysqld/libmysqld.c:
  Fix to embedded server to be able to run tests on it
mysql-test/mysql-test-run.sh:
  Fix to embedded server to be able to run tests on it
mysql-test/r/binlog.result:
  Updated test for embedded server
mysql-test/r/ctype_cp932.result:
  Updated test for embedded server
mysql-test/r/innodb.result:
  Updated test for embedded server
mysql-test/r/mysqltest.result:
  Updated test for embedded server
mysql-test/r/query_cache.result:
  Updated test for embedded server
mysql-test/r/query_cache_notembedded.result:
  Updated test for embedded server
mysql-test/r/sp-error.result:
  Updated test for embedded server
mysql-test/r/sp.result:
  Updated test for embedded server
mysql-test/r/subselect.result:
  Updated test for embedded server
mysql-test/r/view.result:
  Updated test for embedded server
mysql-test/r/view_grant.result:
  Updated test for embedded server
mysql-test/t/backup.test:
  Updated test for embedded server
mysql-test/t/binlog.test:
  Updated test for embedded server
mysql-test/t/blackhole.test:
  Updated test for embedded server
mysql-test/t/compress.test:
  Updated test for embedded server
mysql-test/t/ctype_cp932.test:
  Updated test for embedded server
mysql-test/t/delayed.test:
  Updated test for embedded server
mysql-test/t/handler.test:
  Updated test for embedded server
mysql-test/t/innodb.test:
  Updated test for embedded server
mysql-test/t/mysql.test:
  Updated test for embedded server
mysql-test/t/mysql_client_test.test:
  Updated test for embedded server
mysql-test/t/mysqltest.test:
  Updated test for embedded server
mysql-test/t/query_cache.test:
  Updated test for embedded server
mysql-test/t/query_cache_notembedded.test:
  Updated test for embedded server
mysql-test/t/read_only.test:
  Updated test for embedded server
mysql-test/t/skip_grants.test:
  Updated test for embedded server
mysql-test/t/sp-destruct.test:
  Updated test for embedded server
mysql-test/t/sp-error.test:
  Updated test for embedded server
mysql-test/t/sp-threads.test:
  Updated test for embedded server
mysql-test/t/sp.test:
  Updated test for embedded server
mysql-test/t/subselect.test:
  Updated test for embedded server
mysql-test/t/temp_table.test:
  Updated test for embedded server
mysql-test/t/view.test:
  Updated test for embedded server
mysql-test/t/view_grant.test:
  Updated test for embedded server
mysql-test/t/wait_timeout.test:
  Updated test for embedded server
mysys/mf_dirname.c:
  Review fix: Don't access data outside of array
mysys/my_bitmap.c:
  Remove compiler warnings
scripts/mysql_fix_privilege_tables.sql:
  Add flush privileges to .sql script so that one doesn't have to reboot mysqld when one runs the mysql_fix_privilege_script
sql-common/client.c:
  Updated test for embedded server
sql/item.cc:
  Remove DBUG_PRINT statement that can cause crashes when running with --debug
sql/mysqld.cc:
  Fix to embedded server to be able to run tests on it
sql/protocol.cc:
  Fix to embedded server to be able to run tests on it
  (Trivial reconstruction of code)
sql/protocol.h:
  Fix to embedded server to be able to run tests on it
sql/sql_base.cc:
  Better comment
sql/sql_class.cc:
  Fix to embedded server to be able to run tests on it
sql/sql_class.h:
  Fix to embedded server to be able to run tests on it
sql/sql_cursor.cc:
  Fix to embedded server to be able to run tests on it
sql/sql_parse.cc:
  Fix to embedded server to be able to run tests on it
  Don't crash for disabled commands when using embedded server
sql/sql_prepare.cc:
  Fix to embedded server to be able to run tests on it
mysql-test/r/ctype_cp932_notembedded.result:
  New BitKeeper file ``mysql-test/r/ctype_cp932_notembedded.result''
mysql-test/r/innodb_notembedded.result:
  New BitKeeper file ``mysql-test/r/innodb_notembedded.result''
mysql-test/r/sp.result.orig:
  New BitKeeper file ``mysql-test/r/sp.result.orig''
mysql-test/r/sp_notembedded.result:
  New BitKeeper file ``mysql-test/r/sp_notembedded.result''
mysql-test/r/subselect_notembedded.result:
  New BitKeeper file ``mysql-test/r/subselect_notembedded.result''
mysql-test/t/ctype_cp932_notembedded.test:
  New BitKeeper file ``mysql-test/t/ctype_cp932_notembedded.test''
mysql-test/t/innodb_notembedded.test:
  New BitKeeper file ``mysql-test/t/innodb_notembedded.test''
mysql-test/t/sp.test.orig:
  New BitKeeper file ``mysql-test/t/sp.test.orig''
mysql-test/t/sp_notembedded.test:
  New BitKeeper file ``mysql-test/t/sp_notembedded.test''
mysql-test/t/subselect_notembedded.test:
  New BitKeeper file ``mysql-test/t/subselect_notembedded.test''

sql/sql_class.h

@@ -1102,13 +1102,16 @@ public:
 
 #ifdef EMBEDDED_LIBRARY
   struct st_mysql  *mysql;
-  struct st_mysql_data *data;
   unsigned long	 client_stmt_id;
   unsigned long  client_param_count;
   struct st_mysql_bind *client_params;
   char *extra_data;
   ulong extra_length;
-  String query_rest;
+  struct st_mysql_data *cur_data;
+  struct st_mysql_data *first_data;
+  struct st_mysql_data **data_tail;
+  void clear_data_list();
+  struct st_mysql_data *alloc_new_dataset();
 #endif
   NET	  net;				// client connection descriptor
   MEM_ROOT warn_root;			// For warnings and errors
@@ -1659,6 +1662,11 @@ public:
   */
   virtual void cleanup();
   void set_thd(THD *thd_arg) { thd= thd_arg; }
+#ifdef EMBEDDED_LIBRARY
+  virtual void begin_dataset() {}
+#else
+  void begin_dataset() {}
+#endif
 };