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Here comes a nasty patch, although I am not ready to push it yet. I will

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first pull, merge,test, and get it to work.

The main change is the new replication code - now we have two slave threads
SQL thread and I/O thread. I have also re-written a lot of the code to 
prepare for multi-master implementation. 

I also documented IO_CACHE quite extensively and to some extend, THD class.


Makefile.am:
  moved tags target script into a separate file
include/my_sys.h:
  fixes in IO_CACHE for SEQ_READ_APPEND + some documentation
libmysqld/lib_sql.cc:
  updated replication locks, but now I see I did it wrong and it won't compile. Will fix
  before the push.
mysql-test/r/rpl000014.result:
  test result update
mysql-test/r/rpl000015.result:
  test result update
mysql-test/r/rpl000016.result:
  test result update
mysql-test/r/rpl_log.result:
  test result update
mysql-test/t/rpl000016-slave.sh:
  remove relay logs
mysql-test/t/rpl000017-slave.sh:
  remove relay logs
mysql-test/t/rpl_log.test:
  updated test
mysys/mf_iocache.c:
  IO_CACHE updates to make replication work
mysys/mf_iocache2.c:
  IO_CACHE update to make replication work
mysys/thr_mutex.c:
  cosmetic change
sql/item_func.cc:
  new replication code
sql/lex.h:
  new replication
sql/log.cc:
  new replication
sql/log_event.cc:
  new replication
sql/log_event.h:
  new replication
sql/mini_client.cc:
  new replication
sql/mini_client.h:
  new replication
sql/mysql_priv.h:
  new replication
sql/mysqld.cc:
  new replication
sql/repl_failsafe.cc:
  new replication
sql/slave.cc:
  new replication
sql/slave.h:
  new replication
sql/sql_class.cc:
  new replication
sql/sql_class.h:
  new replication
sql/sql_lex.h:
  new replication
sql/sql_parse.cc:
  new replication
sql/sql_repl.cc:
  new replication
sql/sql_repl.h:
  new replication
sql/sql_show.cc:
  new replication
sql/sql_yacc.yy:
  new replication
sql/stacktrace.c:
  more robust stack tracing
sql/structs.h:
  new replication code
BitKeeper/etc/ignore:
  Added mysql-test/r/rpl000002.eval mysql-test/r/rpl000014.eval mysql-test/r/rpl000015.eval mysql-test/r/rpl000016.eval mysql-test/r/slave-running.eval mysql-test/r/slave-stopped.eval to the ignore list
This commit is contained in:
unknown
2002-01-19 19:16:52 -07:00
parent 0831ce1c61
commit 5df61c3cdc
39 changed files with 2464 additions and 1032 deletions
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11
libmysqld/lib_sql.cc
View File

@ -396,8 +396,8 @@ int STDCALL mysql_server_init(int argc, char **argv, char **groups)
(void) pthread_mutex_init(&LOCK_bytes_sent,MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_bytes_received,MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_timezone,MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_binlog_update, MY_MUTEX_INIT_FAST); // QQ NOT USED
(void) pthread_mutex_init(&LOCK_slave, MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_slave_io, MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_slave_sql, MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_server_id, MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_user_conn, MY_MUTEX_INIT_FAST);
(void) pthread_cond_init(&COND_thread_count,NULL);
@ -406,8 +406,11 @@ int STDCALL mysql_server_init(int argc, char **argv, char **groups)
(void) pthread_cond_init(&COND_flush_thread_cache,NULL);
(void) pthread_cond_init(&COND_manager,NULL);
(void) pthread_cond_init(&COND_binlog_update, NULL);
(void) pthread_cond_init(&COND_slave_stopped, NULL);
(void) pthread_cond_init(&COND_slave_start, NULL);
(void) pthread_cond_init(&COND_slave_log_update, NULL);
(void) pthread_cond_init(&COND_slave_sql_stop, NULL);
(void) pthread_cond_init(&COND_slave_sql_start, NULL);
(void) pthread_cond_init(&COND_slave_sql_stop, NULL);
(void) pthread_cond_init(&COND_slave_sql_start, NULL);
if (set_default_charset_by_name(default_charset, MYF(MY_WME)))
{