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修复:当mysql 发生过purged gtid时，同时开启tsdb与gtid后，gtid属性丢失问题

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This commit is contained in:
winger
2018-12-26 15:10:57 +08:00
parent 3465866278
commit 19c35c0b08
2 changed files with 5 additions and 1 deletions
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4
parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/MysqlConnection.java
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@@ -131,7 +131,9 @@ public class MysqlConnection implements ErosaConnection {
decoder.handle(LogEvent.QUERY_EVENT);
decoder.handle(LogEvent.XID_EVENT);
LogContext context = new LogContext();
// 若entry position存在gtid，则使用传入的gtid作为gtidSet 的拼接标准,否则同时开启gtid和tsdb时，会导致丢失初始化传入的gtid
// 若entry position存在gtid，则使用传入的gtid作为gtidSet 拼接的标准,否则同时开启gtid和tsdb时，会导致丢失gtid
// 而当源端数据库gtid 有purged时会有如下类似报错
// 'errno = 1236, sqlstate = HY000 errmsg = The slave is connecting using CHANGE MASTER TO MASTER_AUTO_POSITION = 1 ...
if (StringUtils.isNotEmpty(gtid)) {
decoder.handle(LogEvent.GTID_LOG_EVENT);
context.setGtidSet(MysqlGTIDSet.parse(gtid));

2
parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/MysqlEventParser.java
View File

@@ -790,6 +790,7 @@ public class MysqlEventParser extends AbstractMysqlEventParser implements CanalE
entryPosition);
}
logPosition.setPostion(entryPosition);
entryPosition.setGtid(entry.getHeader().getGtid());
} else if (CanalEntry.EntryType.TRANSACTIONBEGIN.equals(entry.getEntryType())) {
// 当前事务开始位点
entryPosition = new EntryPosition(logfilename, logfileoffset, logposTimestamp, serverId);
@@ -797,6 +798,7 @@ public class MysqlEventParser extends AbstractMysqlEventParser implements CanalE
logger.debug("set {} to be pending start position before finding another proper one...",
entryPosition);
}
entryPosition.setGtid(entry.getHeader().getGtid());
logPosition.setPostion(entryPosition);
}