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Code Activity

WL#3023 (Use locks in a statement-like manner):

Browse Source 
Table maps are now written on aquiring locks to tables and released
  at the end of each logical statement.


mysql-test/extra/binlog_tests/ctype_cp932.test:
  Disabling cleanup code
mysql-test/r/binlog_row_blackhole.result:
  Result change
mysql-test/r/binlog_row_mix_innodb_myisam.result:
  Result change
mysql-test/r/binlog_stm_ctype_cp932.result:
  Result change
mysql-test/r/rpl_row_charset.result:
  Result change
mysql-test/r/rpl_row_create_table.result:
  Result change
mysql-test/t/rpl_row_create_table.test:
  Binlog position change
sql/handler.cc:
  Writing table map after external_lock()
sql/handler.h:
  Adding class for table operation hooks.
sql/log.cc:
  Adding binlog_write_table_map() to THD.
  Removing write_table_map() from MYSQL_LOG.
sql/log.h:
  Minor interface changes to move table map writing.
sql/log_event.cc:
  Removing pre-allocation of memory for buffers.
  Allowing ULONG_MAX as table id denoting an event to ignore (only used to transfer flags).
  Adding code to collect tables while seeing table maps and lock collected tables
  when seeing a binrow event.
  Debriding code as a result of the above changes.
sql/log_event.h:
  Minor interface changes.
sql/mysql_priv.h:
  Adding hooks argument to create_table_from_items().
sql/parse_file.cc:
  Minor fix to avoid crash in debug printout.
sql/rpl_rli.h:
  Adding list of tables to lock to RLI structure.
sql/slave.cc:
  Using list of tables to lock from RLI structure.
sql/sql_acl.cc:
  Removing redundant pending events flush.
sql/sql_base.cc:
  Moving pending event flush.
  Using flag to guard to clear statement transaction only if this is the original
  open tables state.
sql/sql_class.cc:
  Adding flag for open tables state.
  Removing redundant pending events flushes.
  Write a dummy event to indicate that the tables to lock should be emptied
  on the slave.
sql/sql_class.h:
  Adding open tables state flags.
  Adding binlog_write_table_map() function to THD.
  Changes to select_create() to support new locking scheme.
sql/sql_insert.cc:
  Adding rollback of statement transaction on error. It can now contain
  events after locking tables.
sql/sql_load.cc:
  Removing redundant pending event flush.
sql/sql_table.cc:
  Adding hooks argument to create_table_from_items().
  Calling prelock hook before starting to lock tables.
sql/sql_update.cc:
  Removing a compiler warning.
sql/table.h:
  Minor changes.
This commit is contained in:
unknown
2006-02-16 08:30:53 +01:00
parent a89c10fd9b
commit 41f7d13853
26 changed files with 560 additions and 472 deletions
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11
sql/log_event.h
View File

@@ -657,11 +657,16 @@ public:
{
return (void*) my_malloc((uint)size, MYF(MY_WME|MY_FAE));
}
static void operator delete(void *ptr, size_t size)
{
my_free((gptr) ptr, MYF(MY_WME|MY_ALLOW_ZERO_PTR));
}
/* Placement version of the above operators */
static void *operator new(size_t, void* ptr) { return ptr; }
static void operator delete(void*, void*) { }
#ifndef MYSQL_CLIENT
bool write_header(IO_CACHE* file, ulong data_length);
virtual bool write(IO_CACHE* file)
@@ -1795,10 +1800,8 @@ public:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int exec_event(struct st_relay_log_info *rli);
#ifdef DBUG_RBR
virtual void pack_info(Protocol *protocol);
#endif
#endif
#ifdef MYSQL_CLIENT
/* not for direct call, each derived has its own ::print() */
@@ -1850,6 +1853,7 @@ public:
Error code, or zero if write succeeded.
*/
#if !defined(MYSQL_CLIENT) && defined(HAVE_ROW_BASED_REPLICATION)
#if 0
int maybe_write_table_map(THD *thd, IO_CACHE *file, MYSQL_LOG *log) const
{
/*
@@ -1864,6 +1868,9 @@ public:
return result;
}
#endif
#endif
uint m_row_count; /* The number of rows added to the event */
protected:
/*