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Ignore MySQL 5.7 log events not relevant for MariaDB

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- XA
- Transaction_context_event (used by MysQL group replication)
- View change event (used by MysQL group replication)
This commit is contained in:
Monty
2015-11-09 15:07:13 +02:00
parent 78ffeaa988
commit 78771189e7
2 changed files with 17 additions and 0 deletions
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12
sql/log_event.cc
View File

@@ -825,6 +825,9 @@ const char* Log_event::get_type_str(Log_event_type type)
case ANONYMOUS_GTID_LOG_EVENT: return "MySQL Anonymous_Gtid";
case PREVIOUS_GTIDS_LOG_EVENT: return "MySQL Previous_gtids";
case HEARTBEAT_LOG_EVENT: return "Heartbeat";
case TRANSACTION_CONTEXT_EVENT: return "Transaction_context";
case VIEW_CHANGE_EVENT: return "View_change";
case XA_PREPARE_LOG_EVENT: return "XA_prepare";
default: return "Unknown"; /* impossible */
}
@@ -1735,6 +1738,9 @@ Log_event* Log_event::read_log_event(const char* buf, uint event_len,
case GTID_LOG_EVENT:
case ANONYMOUS_GTID_LOG_EVENT:
case PREVIOUS_GTIDS_LOG_EVENT:
case TRANSACTION_CONTEXT_EVENT:
case VIEW_CHANGE_EVENT:
case XA_PREPARE_LOG_EVENT:
ev= new Ignorable_log_event(buf, fdle,
get_type_str((Log_event_type) event_type));
break;
@@ -4917,6 +4923,9 @@ Format_description_log_event(uint8 binlog_ver, const char* server_ver)
post_header_len[GTID_LOG_EVENT-1]= 0;
post_header_len[ANONYMOUS_GTID_LOG_EVENT-1]= 0;
post_header_len[PREVIOUS_GTIDS_LOG_EVENT-1]= 0;
post_header_len[TRANSACTION_CONTEXT_EVENT-1]= 0;
post_header_len[VIEW_CHANGE_EVENT-1]= 0;
post_header_len[XA_PREPARE_LOG_EVENT-1]= 0;
post_header_len[WRITE_ROWS_EVENT-1]= ROWS_HEADER_LEN_V2;
post_header_len[UPDATE_ROWS_EVENT-1]= ROWS_HEADER_LEN_V2;
post_header_len[DELETE_ROWS_EVENT-1]= ROWS_HEADER_LEN_V2;
@@ -12792,6 +12801,9 @@ bool event_that_should_be_ignored(const char *buf)
if (event_type == GTID_LOG_EVENT ||
event_type == ANONYMOUS_GTID_LOG_EVENT ||
event_type == PREVIOUS_GTIDS_LOG_EVENT ||
event_type == TRANSACTION_CONTEXT_EVENT ||
event_type == VIEW_CHANGE_EVENT ||
event_type == XA_PREPARE_LOG_EVENT ||
(uint2korr(buf + FLAGS_OFFSET) & LOG_EVENT_IGNORABLE_F))
return 1;
return 0;

5
sql/log_event.h
View File

@@ -653,6 +653,11 @@ enum Log_event_type
ANONYMOUS_GTID_LOG_EVENT= 34,
PREVIOUS_GTIDS_LOG_EVENT= 35,
/* MySQL 5.7 events, ignored by MariaDB */
TRANSACTION_CONTEXT_EVENT= 36,
VIEW_CHANGE_EVENT= 37,
XA_PREPARE_LOG_EVENT= 38,
/*
Add new events here - right above this comment!
Existing events (except ENUM_END_EVENT) should never change their numbers