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BUG 38718: automerged bzr bundle from bug report into

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latest mysql-5.1-bugteam.
This commit is contained in:
Luis Soares 2010-10-13 08:25:43 +01:00
commit 6739a84529
2 changed files with 13 additions and 5 deletions
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14
sql/log_event.cc
View file

@ -1230,7 +1230,7 @@ Log_event* Log_event::read_log_event(const char* buf, uint event_len,
break;
#ifdef HAVE_REPLICATION
case SLAVE_EVENT: /* can never happen (unused event) */
ev = new Slave_log_event(buf, event_len);
ev = new Slave_log_event(buf, event_len, description_event);
break;
#endif /* HAVE_REPLICATION */
case CREATE_FILE_EVENT:
@ -1318,8 +1318,10 @@ Log_event* Log_event::read_log_event(const char* buf, uint event_len,
(because constructor is "void") ; so instead we leave the pointer we
wanted to allocate (e.g. 'query') to 0 and we test it in is_valid().
Same for Format_description_log_event, member 'post_header_len'.
SLAVE_EVENT is never used, so it should not be read ever.
*/
if (!ev || !ev->is_valid())
if (!ev || !ev->is_valid() || (event_type == SLAVE_EVENT))
{
DBUG_PRINT("error",("Found invalid event in binary log"));
@ -5983,8 +5985,12 @@ void Slave_log_event::init_from_mem_pool(int data_size)
/** This code is not used, so has not been updated to be format-tolerant. */
Slave_log_event::Slave_log_event(const char* buf, uint event_len)
:Log_event(buf,0) /*unused event*/ ,mem_pool(0),master_host(0)
/* We are using description_event so that slave does not crash on Log_event
constructor */
Slave_log_event::Slave_log_event(const char* buf,
uint event_len,
const Format_description_log_event* description_event)
:Log_event(buf,description_event),mem_pool(0),master_host(0)
{
if (event_len < LOG_EVENT_HEADER_LEN)
return;

4
sql/log_event.h
View file

@ -1782,7 +1782,9 @@ public:
void print(FILE* file, PRINT_EVENT_INFO* print_event_info);
#endif
Slave_log_event(const char* buf, uint event_len);
Slave_log_event(const char* buf,
uint event_len,
const Format_description_log_event *description_event);
~Slave_log_event();
int get_data_size();
bool is_valid() const { return master_host != 0; }