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author | Luis Soares <luis.soares@sun.com> | 2009-01-23 13:22:05 +0100 |
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committer | Luis Soares <luis.soares@sun.com> | 2009-01-23 13:22:05 +0100 |
commit | 14d4576bfe87c490cc34927d53b9b68f028b51c2 (patch) | |
tree | 62fe82ffb4b2f249d2e0c6686acb8c060ed5f0bd /sql/log_event.cc | |
parent | 37e91accb06bf2509998436b1a8eb3c385bcc748 (diff) | |
parent | 4f0d2f5a03ce0ded7138dbabb416534cb09abf75 (diff) | |
download | mariadb-git-14d4576bfe87c490cc34927d53b9b68f028b51c2.tar.gz |
merge: 5.1 -> 5.1-rpl
conflicts:
Text conflict in client/mysqltest.cc
Text conflict in mysql-test/include/wait_until_connected_again.inc
Text conflict in mysql-test/lib/mtr_report.pm
Text conflict in mysql-test/mysql-test-run.pl
Text conflict in mysql-test/r/events_bugs.result
Text conflict in mysql-test/r/log_state.result
Text conflict in mysql-test/r/myisam_data_pointer_size_func.result
Text conflict in mysql-test/r/mysqlcheck.result
Text conflict in mysql-test/r/query_cache.result
Text conflict in mysql-test/r/status.result
Text conflict in mysql-test/suite/binlog/r/binlog_index.result
Text conflict in mysql-test/suite/binlog/r/binlog_innodb.result
Text conflict in mysql-test/suite/rpl/r/rpl_packet.result
Text conflict in mysql-test/suite/rpl/t/rpl_packet.test
Text conflict in mysql-test/t/disabled.def
Text conflict in mysql-test/t/events_bugs.test
Text conflict in mysql-test/t/log_state.test
Text conflict in mysql-test/t/myisam_data_pointer_size_func.test
Text conflict in mysql-test/t/mysqlcheck.test
Text conflict in mysql-test/t/query_cache.test
Text conflict in mysql-test/t/rpl_init_slave_func.test
Text conflict in mysql-test/t/status.test
Diffstat (limited to 'sql/log_event.cc')
-rw-r--r-- | sql/log_event.cc | 75 |
1 files changed, 62 insertions, 13 deletions
diff --git a/sql/log_event.cc b/sql/log_event.cc index 54fbbc78cfb..e4835ee462d 100644 --- a/sql/log_event.cc +++ b/sql/log_event.cc @@ -2679,7 +2679,7 @@ void Query_log_event::print_query_header(IO_CACHE* file, if (!(flags & LOG_EVENT_SUPPRESS_USE_F) && db) { - if (different_db= memcmp(print_event_info->db, db, db_len + 1)) + if ((different_db= memcmp(print_event_info->db, db, db_len + 1))) memcpy(print_event_info->db, db, db_len + 1); if (db[0] && different_db) my_b_printf(file, "use %s%s\n", db, print_event_info->delimiter); @@ -3424,7 +3424,8 @@ Format_description_log_event(uint8 binlog_ver, const char* server_ver) number_of_event_types= LOG_EVENT_TYPES; /* we'll catch my_malloc() error in is_valid() */ post_header_len=(uint8*) my_malloc(number_of_event_types*sizeof(uint8), - MYF(MY_ZEROFILL)); + MYF(0)); + /* This long list of assignments is not beautiful, but I see no way to make it nicer, as the right members are #defines, not array members, so @@ -3432,16 +3433,40 @@ Format_description_log_event(uint8 binlog_ver, const char* server_ver) */ if (post_header_len) { + // Allows us to sanity-check that all events initialized their + // events (see the end of this 'if' block). + IF_DBUG(memset(post_header_len, 255, + number_of_event_types*sizeof(uint8));); + + /* Note: all event types must explicitly fill in their lengths here. */ post_header_len[START_EVENT_V3-1]= START_V3_HEADER_LEN; post_header_len[QUERY_EVENT-1]= QUERY_HEADER_LEN; + post_header_len[STOP_EVENT-1]= STOP_HEADER_LEN; post_header_len[ROTATE_EVENT-1]= ROTATE_HEADER_LEN; + post_header_len[INTVAR_EVENT-1]= INTVAR_HEADER_LEN; post_header_len[LOAD_EVENT-1]= LOAD_HEADER_LEN; + post_header_len[SLAVE_EVENT-1]= SLAVE_HEADER_LEN; post_header_len[CREATE_FILE_EVENT-1]= CREATE_FILE_HEADER_LEN; post_header_len[APPEND_BLOCK_EVENT-1]= APPEND_BLOCK_HEADER_LEN; post_header_len[EXEC_LOAD_EVENT-1]= EXEC_LOAD_HEADER_LEN; post_header_len[DELETE_FILE_EVENT-1]= DELETE_FILE_HEADER_LEN; - post_header_len[NEW_LOAD_EVENT-1]= post_header_len[LOAD_EVENT-1]; + post_header_len[NEW_LOAD_EVENT-1]= NEW_LOAD_HEADER_LEN; + post_header_len[RAND_EVENT-1]= RAND_HEADER_LEN; + post_header_len[USER_VAR_EVENT-1]= USER_VAR_HEADER_LEN; post_header_len[FORMAT_DESCRIPTION_EVENT-1]= FORMAT_DESCRIPTION_HEADER_LEN; + post_header_len[XID_EVENT-1]= XID_HEADER_LEN; + post_header_len[BEGIN_LOAD_QUERY_EVENT-1]= BEGIN_LOAD_QUERY_HEADER_LEN; + post_header_len[EXECUTE_LOAD_QUERY_EVENT-1]= EXECUTE_LOAD_QUERY_HEADER_LEN; + /* + The PRE_GA events are never be written to any binlog, but + their lengths are included in Format_description_log_event. + Hence, we need to be assign some value here, to avoid reading + uninitialized memory when the array is written to disk. + */ + post_header_len[PRE_GA_WRITE_ROWS_EVENT-1] = 0; + post_header_len[PRE_GA_UPDATE_ROWS_EVENT-1] = 0; + post_header_len[PRE_GA_DELETE_ROWS_EVENT-1] = 0; + post_header_len[TABLE_MAP_EVENT-1]= TABLE_MAP_HEADER_LEN; post_header_len[WRITE_ROWS_EVENT-1]= ROWS_HEADER_LEN; post_header_len[UPDATE_ROWS_EVENT-1]= ROWS_HEADER_LEN; @@ -3461,9 +3486,14 @@ Format_description_log_event(uint8 binlog_ver, const char* server_ver) post_header_len[WRITE_ROWS_EVENT-1]= post_header_len[UPDATE_ROWS_EVENT-1]= post_header_len[DELETE_ROWS_EVENT-1]= 6;); - post_header_len[BEGIN_LOAD_QUERY_EVENT-1]= post_header_len[APPEND_BLOCK_EVENT-1]; - post_header_len[EXECUTE_LOAD_QUERY_EVENT-1]= EXECUTE_LOAD_QUERY_HEADER_LEN; post_header_len[INCIDENT_EVENT-1]= INCIDENT_HEADER_LEN; + + // Sanity-check that all post header lengths are initialized. + IF_DBUG({ + int i; + for (i=0; i<number_of_event_types; i++) + assert(post_header_len[i] != 255); + }); } break; @@ -4813,7 +4843,9 @@ Intvar_log_event::Intvar_log_event(const char* buf, const Format_description_log_event* description_event) :Log_event(buf, description_event) { - buf+= description_event->common_header_len; + /* The Post-Header is empty. The Varible Data part begins immediately. */ + buf+= description_event->common_header_len + + description_event->post_header_len[INTVAR_EVENT-1]; type= buf[I_TYPE_OFFSET]; val= uint8korr(buf+I_VAL_OFFSET); } @@ -4957,7 +4989,9 @@ Rand_log_event::Rand_log_event(const char* buf, const Format_description_log_event* description_event) :Log_event(buf, description_event) { - buf+= description_event->common_header_len; + /* The Post-Header is empty. The Variable Data part begins immediately. */ + buf+= description_event->common_header_len + + description_event->post_header_len[RAND_EVENT-1]; seed1= uint8korr(buf+RAND_SEED1_OFFSET); seed2= uint8korr(buf+RAND_SEED2_OFFSET); } @@ -5061,7 +5095,9 @@ Xid_log_event(const char* buf, const Format_description_log_event *description_event) :Log_event(buf, description_event) { - buf+= description_event->common_header_len; + /* The Post-Header is empty. The Variable Data part begins immediately. */ + buf+= description_event->common_header_len + + description_event->post_header_len[XID_EVENT-1]; memcpy((char*) &xid, buf, sizeof(xid)); } @@ -5207,7 +5243,9 @@ User_var_log_event(const char* buf, const Format_description_log_event* description_event) :Log_event(buf, description_event) { - buf+= description_event->common_header_len; + /* The Post-Header is empty. The Variable Data part begins immediately. */ + buf+= description_event->common_header_len + + description_event->post_header_len[USER_VAR_EVENT-1]; name_len= uint4korr(buf); name= (char *) buf + UV_NAME_LEN_SIZE; buf+= UV_NAME_LEN_SIZE + name_len; @@ -8091,6 +8129,9 @@ Write_rows_log_event::do_before_row_operations(const Slave_reporting_capability analyze if explicit data is provided for slave's TIMESTAMP columns). */ m_table->timestamp_field_type= TIMESTAMP_NO_AUTO_SET; + + /* Honor next number column if present */ + m_table->next_number_field= m_table->found_next_number_field; return error; } @@ -8099,6 +8140,7 @@ Write_rows_log_event::do_after_row_operations(const Slave_reporting_capability * int error) { int local_error= 0; + m_table->next_number_field=0; if (bit_is_set(slave_exec_mode, SLAVE_EXEC_MODE_IDEMPOTENT) == 1 || m_table->s->db_type()->db_type == DB_TYPE_NDBCLUSTER) { @@ -9057,7 +9099,17 @@ Incident_log_event::Incident_log_event(const char *buf, uint event_len, DBUG_PRINT("info",("event_len: %u; common_header_len: %d; post_header_len: %d", event_len, common_header_len, post_header_len)); - m_incident= static_cast<Incident>(uint2korr(buf + common_header_len)); + int incident_number= uint2korr(buf + common_header_len); + if (incident_number >= INCIDENT_COUNT || + incident_number <= INCIDENT_NONE) + { + // If the incident is not recognized, this binlog event is + // invalid. If we set incident_number to INCIDENT_NONE, the + // invalidity will be detected by is_valid(). + incident_number= INCIDENT_NONE; + DBUG_VOID_RETURN; + } + m_incident= static_cast<Incident>(incident_number); char const *ptr= buf + common_header_len + post_header_len; char const *const str_end= buf + event_len; uint8 len= 0; // Assignment to keep compiler happy @@ -9085,9 +9137,6 @@ Incident_log_event::description() const DBUG_PRINT("info", ("m_incident: %d", m_incident)); - DBUG_ASSERT(0 <= m_incident); - DBUG_ASSERT((size_t) m_incident <= sizeof(description)/sizeof(*description)); - return description[m_incident]; } |